diff --git a/function-based-stream-app-samples/image-thumbnail-samples b/function-based-stream-app-samples/image-thumbnail-samples deleted file mode 160000 index 19751ff..0000000 --- a/function-based-stream-app-samples/image-thumbnail-samples +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 19751ffc2f1bea5bd8214c6ea96e305c35a80a01 diff --git a/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/MavenWrapperDownloader.java b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/MavenWrapperDownloader.java new file mode 100644 index 0000000..5d2108c --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/MavenWrapperDownloader.java @@ -0,0 +1,122 @@ + +/* + * Copyright 2007-present the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +import java.net.*; +import java.io.*; +import java.nio.channels.*; +import java.util.Properties; + +public class MavenWrapperDownloader { + + private static final String WRAPPER_VERSION = "0.5.6"; + + /** + * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. + */ + private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" + + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; + + /** + * Path to the maven-wrapper.properties file, which might contain a downloadUrl property + * to use instead of the default one. + */ + private static final String MAVEN_WRAPPER_PROPERTIES_PATH = ".mvn/wrapper/maven-wrapper.properties"; + + /** + * Path where the maven-wrapper.jar will be saved to. + */ + private static final String MAVEN_WRAPPER_JAR_PATH = ".mvn/wrapper/maven-wrapper.jar"; + + /** + * Name of the property which should be used to override the default download url for the + * wrapper. + */ + private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; + + public static void main(String args[]) { + System.out.println("- Downloader started"); + File baseDirectory = new File(args[0]); + System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); + + // If the maven-wrapper.properties exists, read it and check if it contains a custom + // wrapperUrl parameter. + File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); + String url = DEFAULT_DOWNLOAD_URL; + if (mavenWrapperPropertyFile.exists()) { + FileInputStream mavenWrapperPropertyFileInputStream = null; + try { + mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); + Properties mavenWrapperProperties = new Properties(); + mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); + url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); + } + catch (IOException e) { + System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); + } + finally { + try { + if (mavenWrapperPropertyFileInputStream != null) { + mavenWrapperPropertyFileInputStream.close(); + } + } + catch (IOException e) { + // Ignore ... + } + } + } + System.out.println("- Downloading from: " + url); + + File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); + if (!outputFile.getParentFile().exists()) { + if (!outputFile.getParentFile().mkdirs()) { + System.out.println( + "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); + } + } + System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); + try { + downloadFileFromURL(url, outputFile); + System.out.println("Done"); + System.exit(0); + } + catch (Throwable e) { + System.out.println("- Error downloading"); + e.printStackTrace(); + System.exit(1); + } + } + + private static void downloadFileFromURL(String urlString, File destination) throws Exception { + if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { + String username = System.getenv("MVNW_USERNAME"); + char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); + Authenticator.setDefault(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication(username, password); + } + }); + } + URL website = new URL(urlString); + ReadableByteChannel rbc; + rbc = Channels.newChannel(website.openStream()); + FileOutputStream fos = new FileOutputStream(destination); + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + fos.close(); + rbc.close(); + } + +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.jar b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..2cc7d4a Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.jar differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.properties b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..642d572 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar diff --git a/function-based-stream-app-samples/image-thumbnail-samples/README.adoc b/function-based-stream-app-samples/image-thumbnail-samples/README.adoc new file mode 100644 index 0000000..fda2e09 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/README.adoc @@ -0,0 +1,15 @@ += Thumbnail Demo + +image:img/thumbnail-files.png[] + +This project demonstrates the use of https://github.com/spring-cloud/stream-applications/tree/master/functions/function/http-request-function[HttpRequestFunction] and the https://github.com/spring-cloud/stream-applications/tree/master/applications/processor/http-request-processor[HTTP Request Processor] with the following modules: + +* link:image-thumbnail-processor/[image-thumbnail-processor] - A simple function to create thumbnails from JPEG files. +* link:image-thumbnail-web/[image-thumbnail-web] - A Spring Boot web application using the HTTP Request Function +* link:image-thumbnail-stream-sample/[image-thumbnail-stream-sample] - A Spring Cloud Stream Sink Application used in a Spring Cloud Stream application demonstrating the HTTP Request Processor + +== Build + +```bash +./mvnw clean install +``` \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/MavenWrapperDownloader.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/MavenWrapperDownloader.java new file mode 100644 index 0000000..5d2108c --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/MavenWrapperDownloader.java @@ -0,0 +1,122 @@ + +/* + * Copyright 2007-present the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +import java.net.*; +import java.io.*; +import java.nio.channels.*; +import java.util.Properties; + +public class MavenWrapperDownloader { + + private static final String WRAPPER_VERSION = "0.5.6"; + + /** + * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided. + */ + private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/" + + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar"; + + /** + * Path to the maven-wrapper.properties file, which might contain a downloadUrl property + * to use instead of the default one. + */ + private static final String MAVEN_WRAPPER_PROPERTIES_PATH = ".mvn/wrapper/maven-wrapper.properties"; + + /** + * Path where the maven-wrapper.jar will be saved to. + */ + private static final String MAVEN_WRAPPER_JAR_PATH = ".mvn/wrapper/maven-wrapper.jar"; + + /** + * Name of the property which should be used to override the default download url for the + * wrapper. + */ + private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl"; + + public static void main(String args[]) { + System.out.println("- Downloader started"); + File baseDirectory = new File(args[0]); + System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath()); + + // If the maven-wrapper.properties exists, read it and check if it contains a custom + // wrapperUrl parameter. + File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH); + String url = DEFAULT_DOWNLOAD_URL; + if (mavenWrapperPropertyFile.exists()) { + FileInputStream mavenWrapperPropertyFileInputStream = null; + try { + mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile); + Properties mavenWrapperProperties = new Properties(); + mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream); + url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url); + } + catch (IOException e) { + System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'"); + } + finally { + try { + if (mavenWrapperPropertyFileInputStream != null) { + mavenWrapperPropertyFileInputStream.close(); + } + } + catch (IOException e) { + // Ignore ... + } + } + } + System.out.println("- Downloading from: " + url); + + File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH); + if (!outputFile.getParentFile().exists()) { + if (!outputFile.getParentFile().mkdirs()) { + System.out.println( + "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'"); + } + } + System.out.println("- Downloading to: " + outputFile.getAbsolutePath()); + try { + downloadFileFromURL(url, outputFile); + System.out.println("Done"); + System.exit(0); + } + catch (Throwable e) { + System.out.println("- Error downloading"); + e.printStackTrace(); + System.exit(1); + } + } + + private static void downloadFileFromURL(String urlString, File destination) throws Exception { + if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) { + String username = System.getenv("MVNW_USERNAME"); + char[] password = System.getenv("MVNW_PASSWORD").toCharArray(); + Authenticator.setDefault(new Authenticator() { + @Override + protected PasswordAuthentication getPasswordAuthentication() { + return new PasswordAuthentication(username, password); + } + }); + } + URL website = new URL(urlString); + ReadableByteChannel rbc; + rbc = Channels.newChannel(website.openStream()); + FileOutputStream fos = new FileOutputStream(destination); + fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); + fos.close(); + rbc.close(); + } + +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.jar b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.jar new file mode 100644 index 0000000..2cc7d4a Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.jar differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.properties b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.properties new file mode 100644 index 0000000..642d572 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/.mvn/wrapper/maven-wrapper.properties @@ -0,0 +1,2 @@ +distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip +wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/README.adoc b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/README.adoc new file mode 100644 index 0000000..c15517a --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/README.adoc @@ -0,0 +1,10 @@ += Thumbnail Processor + +A plain (no dependencies) Java Function that creates a thumbnail from an JPEG image. +See https://stackoverflow.com/a/39313627/1743446. + +== Build + +``` +./mwnw clean install +``` diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw new file mode 100755 index 0000000..3c8a553 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw @@ -0,0 +1,322 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ]; then + + if [ -f /etc/mavenrc ]; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ]; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false +darwin=false +mingw=false +case "$(uname)" in +CYGWIN*) cygwin=true ;; +MINGW*) mingw=true ;; +Darwin*) + darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="$(/usr/libexec/java_home)" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ]; then + if [ -r /etc/gentoo-release ]; then + JAVA_HOME=$(java-config --jre-home) + fi +fi + +if [ -z "$M2_HOME" ]; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ]; do + ls=$(ls -ld "$PRG") + link=$(expr "$ls" : '.*-> \(.*\)$') + if expr "$link" : '/.*' >/dev/null; then + PRG="$link" + else + PRG="$(dirname "$PRG")/$link" + fi + done + + saveddir=$(pwd) + + M2_HOME=$(dirname "$PRG")/.. + + # make it fully qualified + M2_HOME=$(cd "$M2_HOME" && pwd) + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --unix "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --unix "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --unix "$CLASSPATH") +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw; then + [ -n "$M2_HOME" ] && + M2_HOME="$( ( + cd "$M2_HOME" + pwd + ))" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="$( ( + cd "$JAVA_HOME" + pwd + ))" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="$(which javac)" + if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=$(which readlink) + if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then + if $darwin; then + javaHome="$(dirname \"$javaExecutable\")" + javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac" + else + javaExecutable="$(readlink -f \"$javaExecutable\")" + fi + javaHome="$(dirname \"$javaExecutable\")" + javaHome=$(expr "$javaHome" : '\(.*\)/bin') + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ]; then + if [ -n "$JAVA_HOME" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="$(which java)" + fi +fi + +if [ ! -x "$JAVACMD" ]; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ]; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ]; then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ]; do + if [ -d "$wdir"/.mvn ]; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=$( + cd "$wdir/.." + pwd + ) + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' <"$1")" + fi +} + +BASE_DIR=$(find_maven_basedir "$(pwd)") +if [ -z "$BASE_DIR" ]; then + exit 1 +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in wrapperUrl) + jarUrl="$value" + break + ;; + esac + done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") + fi + + if command -v wget >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=$(cygpath --path --windows "$javaClass") + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --path --windows "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --windows "$CLASSPATH") + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw.cmd b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml new file mode 100644 index 0000000..fef9a4e --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/pom.xml @@ -0,0 +1,41 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.3.3.RELEASE + + + io.spring.cloud.stream.sample + image-thumbnail-processor + 0.0.1-SNAPSHOT + image-thumbnail-processor + Thumbnail processor + + + 8 + + + + + org.junit.jupiter + junit-jupiter + 5.6.2 + test + + + org.assertj + assertj-core + 3.16.1 + + + org.springframework + spring-core + 5.2.8.RELEASE + test + + + + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/main/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessor.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/main/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessor.java new file mode 100644 index 0000000..5cae847 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/main/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessor.java @@ -0,0 +1,73 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.spring.example.image.thumbnail.processor; + +import java.awt.AlphaComposite; +import java.awt.Graphics2D; +import java.awt.RenderingHints; +import java.awt.image.BufferedImage; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.util.function.Function; + +import javax.imageio.ImageIO; + +public class ThumbnailProcessor implements Function { + ImageScaler imageScaler = new ImageScaler(); + + public byte[] apply(byte[] bytes) { + return imageScaler + .resize(new ByteArrayInputStream(bytes), 100, 100, "JPEG").toByteArray(); + } + + /** + * From https://stackoverflow.com/a/39313627/1743446 + */ + static class ImageScaler { + + public ByteArrayOutputStream resize(InputStream inputStream, int IMG_WIDTH, + int IMG_HEIGHT, String format) { + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + try { + BufferedImage originalImage = ImageIO.read(inputStream); + int type = originalImage.getType() == 0 ? BufferedImage.TYPE_INT_ARGB + : originalImage.getType(); + BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, + type); + + Graphics2D g = resizedImage.createGraphics(); + g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null); + g.dispose(); + g.setComposite(AlphaComposite.Src); + + g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, + RenderingHints.VALUE_INTERPOLATION_BILINEAR); + g.setRenderingHint(RenderingHints.KEY_RENDERING, + RenderingHints.VALUE_RENDER_QUALITY); + g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, + RenderingHints.VALUE_ANTIALIAS_ON); + + ImageIO.write(resizedImage, format, bos); + } + catch (Exception e) { + throw new RuntimeException(e.getMessage(), e); + } + return bos; + } + } +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessorTests.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessorTests.java new file mode 100644 index 0000000..4e19aee --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessorTests.java @@ -0,0 +1,54 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.spring.example.image.thumbnail.processor; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; + +import org.springframework.core.io.ClassPathResource; +import org.springframework.core.io.Resource; + +import static org.assertj.core.api.Assertions.assertThat; + +public class ThumbnailProcessorTests { + @TempDir + File tempDir; + + @Test + void test() throws IOException { + Resource resource = new ClassPathResource("firetruck.jpg"); + byte[] data = readAllBytes(resource); + byte[] thumbnail = new ThumbnailProcessor().apply(data); + Path path = Paths.get(tempDir.getAbsolutePath(), "thumbnail.jpg"); + Files.write(path, thumbnail); + assertThat(Files.exists(path)).isTrue(); + } + + private byte[] readAllBytes(Resource resource) throws IOException { + InputStream is = resource.getInputStream(); + byte[] bytes = new byte[is.available()]; + is.read(bytes); + return bytes; + } +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/resources/firetruck.jpg b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/resources/firetruck.jpg new file mode 100644 index 0000000..aa5a86d Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-processor/src/test/resources/firetruck.jpg differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/README.adoc b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/README.adoc new file mode 100644 index 0000000..2895c49 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/README.adoc @@ -0,0 +1,89 @@ += Thumbnail Stream Sample + +== Run with docker-compose + +If you have docker installed and running, this is the easiest way to run this sample. + +=== Build the link:image-thumbnail-sink[] + +Build the docker image to register with the local Docker daemon. + +``` +cd image-thumbnail-sink +./mvnw clean package jib:dockerBuild +``` +=== Create input and output directories `images` and `thumbnails`. +These names are referenced in link:docker-compose-apps.yml[] + +``` +cd image-thumbnail-stream-sample +mkdir images thumbnails +``` + +=== Start the containers + +``` +docker-compose -f docker-compose-kafka.yml -f docker-compose-apps.yml up +``` + +Proceed to xref:Create_Some_Data[Create Some Data] + +== Run standalone +We will use this sink in a streaming application that reads a text file containing image URLs and create a thumbnail file for each image: `file-source | http-request-processor | image-thumbnail-sink` + +=== Download the pre-packaged Source and Processor applications: + +``` +wget https://repo.spring.io/snapshot/org/springframework/cloud/stream/app/file-source-kafka/3.0.0-SNAPSHOT/file-source-kafka-3.0.0-SNAPSHOT.jar +wget https://repo.spring.io/snapshot/org/springframework/cloud/stream/app/http-request-processor-kafka/3.0.0-SNAPSHOT/http-request-processor-kafka-3.0.0-SNAPSHOT.jar +``` + +=== Start a Kafka message broker + +If you have Docker installed, you can start Kafka with +``` +docker-compose up -f docker-compose-kafka.yml +``` + +Or install and run Kafka on your local machine. +If you are using a remote Kafka cluster, set the property `--spring.cloud.stream.kafka.brokers=kafka_host1,...` to a comma-delimited list of host addresses on each of the following apps. + +=== Create input and output directories +Named `images` and `thumbnails` in this example. + +=== Start the sink +Build the link:image-thumbnail-sink[], if you haven't already done it. +Then open a terminal window in `image-thumbnail-sink` and run: + +``` +java -jar target/image-thumbnail-sink-0.0.1-SNAPSHOT.jar --file.consumer.directory=$(PWD)/thumbnails --spring.cloud.stream.bindings.input.destination=thumbnail --server.port=0 +``` + + +=== Start the source and processor + +In separate terminal sessions run the processor and the source: + +``` +java -jar http-request-processor-kafka-3.0.0-SNAPSHOT.jar --http.request.url-expression=payload --http.request.expected-response-type=byte[] --http.request.maximum-buffer-size=2097152 --spring.cloud.stream.bindings.input.destination=image --spring.cloud.stream.bindings.output.destination=thumbnail --spring.kafka.producer.properties.max.request.size=2097152 --server.port=0 +``` + +``` +java -jar file-source-kafka-3.0.0-SNAPSHOT.jar --file.consumer.mode=lines --file.supplier.directory=$(PWD)/images --spring.cloud.stream.bindings.output.destination=image --server.port=0 +``` +[[Create_Some_Data]] +=== Create some data + +Using your favorite text editor, create a file in the `images` directory containing some URLs: + +``` +https://i.imgur.com/FQtKSuv.jpeg +https://i.imgur.com/4Cndaul.jpeg +https://i.imgur.com/FCPLS42.jpeg +https://i.imgur.com/DhzHsz8.jpg +https://i.imgur.com/G7t1ZZl.jpg +``` + +You should see the thumbnail files in the `thumbnails` directory. + +image:../img/thumbnail-files.png[] diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-apps.yml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-apps.yml new file mode 100644 index 0000000..ba77583 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-apps.yml @@ -0,0 +1,45 @@ +version: '2' +services: + kafka-broker: + environment: + - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://kafka-broker:9092 + - KAFKA_ADVERTISED_HOST_NAME=kafka-broker + source: + container_name: file-source + image: springcloudstream/file-source-kafka:3.0.0-SNAPSHOT + depends_on: + - kafka-broker + environment: + - FILE_SUPPLIER_DIRECTORY=/images + - FILE_CONSUMER_MODE=lines + - SPRING_CLOUD_STREAM_BINDINGS_OUTPUT_DESTINATION=image + - SPRING_CLOUD_STREAM_KAFKA_BINDER_BROKERS=kafka-broker + volumes: + - ./images:/images + processor: + container_name: http-request-processor + image: springcloudstream/http-request-processor-kafka:3.0.0-SNAPSHOT + depends_on: + - kafka-broker + environment: + - HTTP_REQUEST_URL_EXPRESSION=payload + - HTTP_REQUEST_EXPECTED_RESPONSE_TYPE=byte[] + - HTTP_REQUEST_MAXIMUM_BUFFER_SIZE=2097152 + - SPRING_KAFKA_PRODUCER_PROPERTIES_MAX_REQUEST_SIZE=2097152 + - SPRING_CLOUD_STREAM_BINDINGS_INPUT_DESTINATION=image + - SPRING_CLOUD_STREAM_BINDINGS_INPUT_GROUP=thumbnail + - SPRING_CLOUD_STREAM_BINDINGS_OUTPUT_DESTINATION=thumbnail + - SPRING_CLOUD_STREAM_KAFKA_BINDER_BROKERS=kafka-broker + sink: + container_name: image-thumbnail-sink + image: demo/image-thumbnail-sink + depends_on: + - kafka-broker + environment: + - SPRING_CLOUD_STREAM_KAFKA_BINDER_BROKERS=kafka-broker + - SPRING_CLOUD_STREAM_BINDINGS_INPUT_DESTINATION=thumbnail + - SPRING_CLOUD_STREAM_BINDINGS_INPUT_GROUP=thumbnail + - FILE_CONSUMER_DIRECTORY=/thumbnails + volumes: + - ./thumbnails:/thumbnails + \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-kafka.yml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-kafka.yml new file mode 100644 index 0000000..2b92e54 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/docker-compose-kafka.yml @@ -0,0 +1,26 @@ +version: '2' +services: + kafka-broker: + container_name: kafka-broker + image: confluentinc/cp-kafka:5.3.1 + ports: + - "9092:9092" + environment: + - KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://127.0.0.1:9092 + - KAFKA_ZOOKEEPER_CONNECT=zookeeper:2181 + - KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1 + - KAFKA_MESSAGE_MAX_BYTES=2097152 + depends_on: + - zookeeper + + zookeeper: + container_name: zookeeper + image: confluentinc/cp-zookeeper:5.3.1 + expose: + - "2181" + environment: + - ZOOKEEPER_CLIENT_PORT=2181 + + + + \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/README.adoc b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/README.adoc new file mode 100644 index 0000000..499748d --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/README.adoc @@ -0,0 +1,25 @@ += Thumbnail Sink + +A Spring Cloud Stream Sink which composes thumbnailProcessor|filenameEnricher|fileConsumer to create thumbnails and write to a file. + +This app registers the link:../image-thumbnail-processor/src/main/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessor.java[ThumbnailProcessor] as a Spring bean and uses the standard https://github.com/spring-cloud/stream-applications/tree/master/functions/consumer/file-consumer[fileConsumer] to write files. +It implements a link:src/main/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkApplication.java[filenameEnricher] function, which generates filenames as +`thumbnail-%d.jpg`, incrementing the index on each execution, supplied to the fileConsumer in the `filename` message header. +See Also link:src/main/resources/application.properties[application.properties]. + +== Build + +``` +./mvnw clean install +``` + +or to build a Docker image + +``` +./mvnw clean package jib:dockerBuild +``` + + + + + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw new file mode 100755 index 0000000..3c8a553 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw @@ -0,0 +1,322 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ]; then + + if [ -f /etc/mavenrc ]; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ]; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false +darwin=false +mingw=false +case "$(uname)" in +CYGWIN*) cygwin=true ;; +MINGW*) mingw=true ;; +Darwin*) + darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="$(/usr/libexec/java_home)" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ]; then + if [ -r /etc/gentoo-release ]; then + JAVA_HOME=$(java-config --jre-home) + fi +fi + +if [ -z "$M2_HOME" ]; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ]; do + ls=$(ls -ld "$PRG") + link=$(expr "$ls" : '.*-> \(.*\)$') + if expr "$link" : '/.*' >/dev/null; then + PRG="$link" + else + PRG="$(dirname "$PRG")/$link" + fi + done + + saveddir=$(pwd) + + M2_HOME=$(dirname "$PRG")/.. + + # make it fully qualified + M2_HOME=$(cd "$M2_HOME" && pwd) + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --unix "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --unix "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --unix "$CLASSPATH") +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw; then + [ -n "$M2_HOME" ] && + M2_HOME="$( ( + cd "$M2_HOME" + pwd + ))" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="$( ( + cd "$JAVA_HOME" + pwd + ))" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="$(which javac)" + if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=$(which readlink) + if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then + if $darwin; then + javaHome="$(dirname \"$javaExecutable\")" + javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac" + else + javaExecutable="$(readlink -f \"$javaExecutable\")" + fi + javaHome="$(dirname \"$javaExecutable\")" + javaHome=$(expr "$javaHome" : '\(.*\)/bin') + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ]; then + if [ -n "$JAVA_HOME" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="$(which java)" + fi +fi + +if [ ! -x "$JAVACMD" ]; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ]; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ]; then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ]; do + if [ -d "$wdir"/.mvn ]; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=$( + cd "$wdir/.." + pwd + ) + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' <"$1")" + fi +} + +BASE_DIR=$(find_maven_basedir "$(pwd)") +if [ -z "$BASE_DIR" ]; then + exit 1 +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in wrapperUrl) + jarUrl="$value" + break + ;; + esac + done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") + fi + + if command -v wget >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=$(cygpath --path --windows "$javaClass") + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --path --windows "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --windows "$CLASSPATH") + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw.cmd b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml new file mode 100644 index 0000000..e9b6c86 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml @@ -0,0 +1,112 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.3.3.RELEASE + + + io.spring.cloud.stream.sample + image-thumbnail-sink + 0.0.1-SNAPSHOT + image-thumbnail-sink + Thumbnail Sink Application + + 8 + Hoxton.SR7 + demo + + + + org.springframework.cloud + spring-cloud-stream + + + io.spring.cloud.stream.sample + image-thumbnail-processor + 0.0.1-SNAPSHOT + + + org.springframework.cloud.fn + file-consumer + 1.0.0-SNAPSHOT + + + org.springframework.cloud + spring-cloud-stream-binder-kafka + + + org.springframework.cloud.stream.app + stream-applications-composite-function-support + 3.0.0-SNAPSHOT + + + org.springframework.boot + spring-boot-starter-test + test + + + org.junit.vintage + junit-vintage-engine + + + + + org.awaitility + awaitility + test + + + org.springframework.cloud + spring-cloud-stream + test-jar + test-binder + test + + + io.projectreactor + reactor-test + + + + + + org.springframework.cloud + spring-cloud-dependencies + ${spring-cloud.version} + pom + import + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + com.google.cloud.tools + jib-maven-plugin + 2.0.0 + + + springcloud/openjdk + + + ${docker.org}/${project.artifactId} + + ${project.version} + + + + USE_CURRENT_TIMESTAMP + Docker + + + + + + \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkApplication.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkApplication.java new file mode 100644 index 0000000..df629e4 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkApplication.java @@ -0,0 +1,51 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.spring.example.image.thumbnail.sink; + +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Function; + +import io.spring.example.image.thumbnail.processor.ThumbnailProcessor; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cloud.fn.consumer.file.FileConsumerConfiguration; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Import; +import org.springframework.messaging.Message; +import org.springframework.messaging.support.MessageBuilder; + +@SpringBootApplication +@Import(FileConsumerConfiguration.class) +public class ThumbnailSinkApplication { + + public static void main(String[] args) { + SpringApplication.run(ThumbnailSinkApplication.class, args); + } + + @Bean + public Function> filenameEnricher() { + AtomicInteger count = new AtomicInteger(); + return payload -> MessageBuilder.withPayload(payload).setHeader("filename", + String.format("thumbnail-%d.jpg", count.incrementAndGet())).build(); + } + + @Bean + ThumbnailProcessor thumbnailProcessor() { + return new ThumbnailProcessor(); + } +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/resources/application.properties b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/resources/application.properties new file mode 100644 index 0000000..aeb245e --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/main/resources/application.properties @@ -0,0 +1,6 @@ +file.consumer.binary=true +file.consumer.mode=replace +file.consumer.name-expression=headers[filename] +spring.cloud.function.definition=thumbnailProcessor|filenameEnricher|fileConsumer + + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkIntegrationTests.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkIntegrationTests.java new file mode 100644 index 0000000..d6fe30a --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/java/io/spring/example/image/thumbnail/sink/ThumbnailSinkIntegrationTests.java @@ -0,0 +1,73 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.spring.example.image.thumbnail.sink; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Paths; +import java.time.Duration; +import java.util.ArrayList; +import java.util.Properties; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.io.TempDir; + +import org.springframework.cloud.stream.binder.test.InputDestination; +import org.springframework.cloud.stream.binder.test.TestChannelBinderConfiguration; +import org.springframework.core.io.ClassPathResource; +import org.springframework.core.io.Resource; +import org.springframework.messaging.support.MessageBuilder; + +import static org.awaitility.Awaitility.await; + +public class ThumbnailSinkIntegrationTests { + + @TempDir + File tempDir; + + @Test + void test() throws IOException { + byte[] data = readAllBytes(new ClassPathResource("firetruck.jpg")); + TestChannelBinderConfiguration.applicationContextRunner(ThumbnailSinkApplication.class) + .withPropertyValues(applicationProperties()) + .withPropertyValues( + "file.consumer.directory=" + tempDir.getAbsolutePath()) + .run(context -> { + InputDestination inputDestination = context.getBean(InputDestination.class); + inputDestination.send(MessageBuilder.withPayload(data).build()); + }); + await().timeout(Duration.ofSeconds(10)) + .until(() -> Files.exists(Paths.get(tempDir.getAbsolutePath(), "thumbnail-1.jpg"))); + } + + private byte[] readAllBytes(Resource resource) throws IOException { + InputStream is = resource.getInputStream(); + byte[] bytes = new byte[is.available()]; + is.read(bytes); + return bytes; + } + + private String[] applicationProperties() throws IOException { + Properties properties = new Properties(); + properties.load(new ClassPathResource("application.properties").getInputStream()); + ArrayList props = new ArrayList(properties.size()); + properties.forEach((k, v) -> props.add(String.format("%s=%s", k.toString(), v.toString()))); + return props.toArray(new String[properties.size()]); + } +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/firetruck.jpg b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/firetruck.jpg new file mode 100644 index 0000000..aa5a86d Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/firetruck.jpg differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/logback.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/logback.xml new file mode 100644 index 0000000..5e1bcbf --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/src/test/resources/logback.xml @@ -0,0 +1,14 @@ + + + + + + %d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n + + + + + + + + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/images.txt b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/images.txt new file mode 100644 index 0000000..068e462 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/images.txt @@ -0,0 +1,5 @@ +https://i.imgur.com/FQtKSuv.jpeg +https://i.imgur.com/4Cndaul.jpeg +https://i.imgur.com/FCPLS42.jpeg +https://i.imgur.com/DhzHsz8.jpg +https://i.imgur.com/G7t1ZZl.jpg diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/README.adoc b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/README.adoc new file mode 100644 index 0000000..43e0817 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/README.adoc @@ -0,0 +1,21 @@ += Thumbnail Standalone + +This demonstrates the use of the Spring https://github.com/spring-cloud/stream-applications/blob/master/functions/function/http-request-function[HttpRequestFunction] +in a standalone Spring Boot Application + +This web app downloads an image from the web and uses the link:../image-thumbnail-processor/src/main/java/io/spring/example/image/thumbnail/processor/ThumbnailProcessor.java[ThumbnailProcessor] to create a thumbnail of it. + +== Run + +```bash +./mvnw spring-boot:run +``` + +== Try some cat pics! + +* http://localhost:8080/thumbnail?url=https://i.imgur.com/FQtKSuv.jpeg +* http://localhost:8080/thumbnail?url=https://i.imgur.com/4Cndaul.jpeg +* http://localhost:8080/thumbnail?url=https://i.imgur.com/FCPLS42.jpeg +* http://localhost:8080/thumbnail?url=https://i.imgur.com/DhzHsz8.jpg +* http://localhost:8080/thumbnail?url=https://i.imgur.com/G7t1ZZl.jpg +* http://localhost:8080/thumbnail?url=https://cdn.freeyork.org/wp-content/uploads/2017/11/handicapped-cat-rexie-fy-4-1152x1152.jpg \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw new file mode 100755 index 0000000..3c8a553 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw @@ -0,0 +1,322 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ]; then + + if [ -f /etc/mavenrc ]; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ]; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false +darwin=false +mingw=false +case "$(uname)" in +CYGWIN*) cygwin=true ;; +MINGW*) mingw=true ;; +Darwin*) + darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="$(/usr/libexec/java_home)" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ]; then + if [ -r /etc/gentoo-release ]; then + JAVA_HOME=$(java-config --jre-home) + fi +fi + +if [ -z "$M2_HOME" ]; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ]; do + ls=$(ls -ld "$PRG") + link=$(expr "$ls" : '.*-> \(.*\)$') + if expr "$link" : '/.*' >/dev/null; then + PRG="$link" + else + PRG="$(dirname "$PRG")/$link" + fi + done + + saveddir=$(pwd) + + M2_HOME=$(dirname "$PRG")/.. + + # make it fully qualified + M2_HOME=$(cd "$M2_HOME" && pwd) + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --unix "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --unix "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --unix "$CLASSPATH") +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw; then + [ -n "$M2_HOME" ] && + M2_HOME="$( ( + cd "$M2_HOME" + pwd + ))" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="$( ( + cd "$JAVA_HOME" + pwd + ))" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="$(which javac)" + if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=$(which readlink) + if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then + if $darwin; then + javaHome="$(dirname \"$javaExecutable\")" + javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac" + else + javaExecutable="$(readlink -f \"$javaExecutable\")" + fi + javaHome="$(dirname \"$javaExecutable\")" + javaHome=$(expr "$javaHome" : '\(.*\)/bin') + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ]; then + if [ -n "$JAVA_HOME" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="$(which java)" + fi +fi + +if [ ! -x "$JAVACMD" ]; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ]; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ]; then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ]; do + if [ -d "$wdir"/.mvn ]; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=$( + cd "$wdir/.." + pwd + ) + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' <"$1")" + fi +} + +BASE_DIR=$(find_maven_basedir "$(pwd)") +if [ -z "$BASE_DIR" ]; then + exit 1 +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in wrapperUrl) + jarUrl="$value" + break + ;; + esac + done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") + fi + + if command -v wget >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=$(cygpath --path --windows "$javaClass") + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --path --windows "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --windows "$CLASSPATH") + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw.cmd b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml new file mode 100644 index 0000000..6c6e184 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/pom.xml @@ -0,0 +1,65 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.3.2.RELEASE + + + io.spring.cloud.stream.sample + image-thumbnail-web + 0.0.1-SNAPSHOT + image-thumbnail-web + Demo project for Spring Boot + + + 8 + + + + + org.springframework.cloud.fn + http-request-function + 1.0.0-SNAPSHOT + + + org.springframework.boot + spring-boot-starter-thymeleaf + + + org.springframework.boot + spring-boot-devtools + runtime + true + + + io.spring.cloud.stream.sample + image-thumbnail-processor + 0.0.1-SNAPSHOT + + + + org.springframework.boot + spring-boot-starter-test + test + + + org.junit.vintage + junit-vintage-engine + + + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/java/io/spring/example/image/thumbnail/standalone/ThumbnailStandaloneApplication.java b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/java/io/spring/example/image/thumbnail/standalone/ThumbnailStandaloneApplication.java new file mode 100644 index 0000000..6cd66e1 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/java/io/spring/example/image/thumbnail/standalone/ThumbnailStandaloneApplication.java @@ -0,0 +1,81 @@ +/* + * Copyright 2020-2020 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.spring.example.image.thumbnail.standalone; + +import java.util.Base64; +import java.util.HashMap; +import java.util.Map; + +import io.spring.example.image.thumbnail.processor.ThumbnailProcessor; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import reactor.core.publisher.Flux; +import reactor.core.publisher.Mono; + +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.cloud.fn.http.request.HttpRequestFunctionConfiguration; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Import; +import org.springframework.messaging.support.GenericMessage; +import org.springframework.stereotype.Controller; +import org.springframework.web.reactive.function.server.RouterFunction; +import org.springframework.web.reactive.function.server.RouterFunctions; +import org.springframework.web.reactive.function.server.ServerRequest; +import org.springframework.web.reactive.function.server.ServerResponse; + +import static org.springframework.cloud.fn.http.request.HttpRequestFunctionConfiguration.HttpRequestFunction; + +@SpringBootApplication +@Controller +@Import(HttpRequestFunctionConfiguration.class) +public class ThumbnailStandaloneApplication { + private static Logger logger = LoggerFactory.getLogger(ThumbnailStandaloneApplication.class); + + public static void main(String[] args) { + SpringApplication.run(ThumbnailStandaloneApplication.class, args); + } + + private ThumbnailProcessor thumbnailProcessor = new ThumbnailProcessor(); + + @Autowired + private HttpRequestFunction httpRequestFunction; + + @Bean + RouterFunction routes() { + return RouterFunctions.route() + .GET("/thumbnail", this::createThumbnail) + .build(); + } + + private Mono createThumbnail(ServerRequest serverRequest) { + String url = serverRequest.queryParam("url").orElseThrow(() -> new RuntimeException("URL required")); + + return Mono.from(httpRequestFunction.apply(Flux.just(new GenericMessage<>(url))) + .flatMap(image -> { + Map model = new HashMap<>(); + byte[] thumbnail = thumbnailProcessor.apply((byte[]) image); + logger.info("creating thumbnail for {}", url); + model.put("url", url); + model.put("thumb", new String(Base64.getEncoder().encode(thumbnail))); + Mono serverResponse = ServerResponse.ok() + .render("thumbnail", model); + return serverResponse; + })); + } +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/application.properties b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/application.properties new file mode 100644 index 0000000..0d917b1 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/application.properties @@ -0,0 +1,4 @@ +http.request.url-expression=payload +http.request.expected-response-type=byte[] +http.request.maximum-buffer-size=2097152 + diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/static/styles/thumbnail.css b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/static/styles/thumbnail.css new file mode 100644 index 0000000..8e668e2 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/static/styles/thumbnail.css @@ -0,0 +1,14 @@ +body { + background-color: black; +} +h1 { + color: palegreen; +} + +img { + padding: 10px; + border: 2px solid white; + display: inline-block; + vertical-align: top; + max-width: 75%; +} diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/templates/thumbnail.html b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/templates/thumbnail.html new file mode 100644 index 0000000..57dfb76 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-web/src/main/resources/templates/thumbnail.html @@ -0,0 +1,15 @@ + + + + Getting Started: Serving Web Content + + + + +

+
+ + thumbnail image +
+ + \ No newline at end of file diff --git a/function-based-stream-app-samples/image-thumbnail-samples/img/standalone.png b/function-based-stream-app-samples/image-thumbnail-samples/img/standalone.png new file mode 100644 index 0000000..f06141d Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/img/standalone.png differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/img/thumbnail-files.png b/function-based-stream-app-samples/image-thumbnail-samples/img/thumbnail-files.png new file mode 100644 index 0000000..ba93d9a Binary files /dev/null and b/function-based-stream-app-samples/image-thumbnail-samples/img/thumbnail-files.png differ diff --git a/function-based-stream-app-samples/image-thumbnail-samples/mvnw b/function-based-stream-app-samples/image-thumbnail-samples/mvnw new file mode 100755 index 0000000..3c8a553 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/mvnw @@ -0,0 +1,322 @@ +#!/bin/sh +# ---------------------------------------------------------------------------- +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +# ---------------------------------------------------------------------------- + +# ---------------------------------------------------------------------------- +# Maven Start Up Batch script +# +# Required ENV vars: +# ------------------ +# JAVA_HOME - location of a JDK home dir +# +# Optional ENV vars +# ----------------- +# M2_HOME - location of maven2's installed home dir +# MAVEN_OPTS - parameters passed to the Java VM when running Maven +# e.g. to debug Maven itself, use +# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +# MAVEN_SKIP_RC - flag to disable loading of mavenrc files +# ---------------------------------------------------------------------------- + +if [ -z "$MAVEN_SKIP_RC" ]; then + + if [ -f /etc/mavenrc ]; then + . /etc/mavenrc + fi + + if [ -f "$HOME/.mavenrc" ]; then + . "$HOME/.mavenrc" + fi + +fi + +# OS specific support. $var _must_ be set to either true or false. +cygwin=false +darwin=false +mingw=false +case "$(uname)" in +CYGWIN*) cygwin=true ;; +MINGW*) mingw=true ;; +Darwin*) + darwin=true + # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home + # See https://developer.apple.com/library/mac/qa/qa1170/_index.html + if [ -z "$JAVA_HOME" ]; then + if [ -x "/usr/libexec/java_home" ]; then + export JAVA_HOME="$(/usr/libexec/java_home)" + else + export JAVA_HOME="/Library/Java/Home" + fi + fi + ;; +esac + +if [ -z "$JAVA_HOME" ]; then + if [ -r /etc/gentoo-release ]; then + JAVA_HOME=$(java-config --jre-home) + fi +fi + +if [ -z "$M2_HOME" ]; then + ## resolve links - $0 may be a link to maven's home + PRG="$0" + + # need this for relative symlinks + while [ -h "$PRG" ]; do + ls=$(ls -ld "$PRG") + link=$(expr "$ls" : '.*-> \(.*\)$') + if expr "$link" : '/.*' >/dev/null; then + PRG="$link" + else + PRG="$(dirname "$PRG")/$link" + fi + done + + saveddir=$(pwd) + + M2_HOME=$(dirname "$PRG")/.. + + # make it fully qualified + M2_HOME=$(cd "$M2_HOME" && pwd) + + cd "$saveddir" + # echo Using m2 at $M2_HOME +fi + +# For Cygwin, ensure paths are in UNIX format before anything is touched +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --unix "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --unix "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --unix "$CLASSPATH") +fi + +# For Mingw, ensure paths are in UNIX format before anything is touched +if $mingw; then + [ -n "$M2_HOME" ] && + M2_HOME="$( ( + cd "$M2_HOME" + pwd + ))" + [ -n "$JAVA_HOME" ] && + JAVA_HOME="$( ( + cd "$JAVA_HOME" + pwd + ))" +fi + +if [ -z "$JAVA_HOME" ]; then + javaExecutable="$(which javac)" + if [ -n "$javaExecutable" ] && ! [ "$(expr \"$javaExecutable\" : '\([^ ]*\)')" = "no" ]; then + # readlink(1) is not available as standard on Solaris 10. + readLink=$(which readlink) + if [ ! $(expr "$readLink" : '\([^ ]*\)') = "no" ]; then + if $darwin; then + javaHome="$(dirname \"$javaExecutable\")" + javaExecutable="$(cd \"$javaHome\" && pwd -P)/javac" + else + javaExecutable="$(readlink -f \"$javaExecutable\")" + fi + javaHome="$(dirname \"$javaExecutable\")" + javaHome=$(expr "$javaHome" : '\(.*\)/bin') + JAVA_HOME="$javaHome" + export JAVA_HOME + fi + fi +fi + +if [ -z "$JAVACMD" ]; then + if [ -n "$JAVA_HOME" ]; then + if [ -x "$JAVA_HOME/jre/sh/java" ]; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + else + JAVACMD="$(which java)" + fi +fi + +if [ ! -x "$JAVACMD" ]; then + echo "Error: JAVA_HOME is not defined correctly." >&2 + echo " We cannot execute $JAVACMD" >&2 + exit 1 +fi + +if [ -z "$JAVA_HOME" ]; then + echo "Warning: JAVA_HOME environment variable is not set." +fi + +CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher + +# traverses directory structure from process work directory to filesystem root +# first directory with .mvn subdirectory is considered project base directory +find_maven_basedir() { + + if [ -z "$1" ]; then + echo "Path not specified to find_maven_basedir" + return 1 + fi + + basedir="$1" + wdir="$1" + while [ "$wdir" != '/' ]; do + if [ -d "$wdir"/.mvn ]; then + basedir=$wdir + break + fi + # workaround for JBEAP-8937 (on Solaris 10/Sparc) + if [ -d "${wdir}" ]; then + wdir=$( + cd "$wdir/.." + pwd + ) + fi + # end of workaround + done + echo "${basedir}" +} + +# concatenates all lines of a file +concat_lines() { + if [ -f "$1" ]; then + echo "$(tr -s '\n' ' ' <"$1")" + fi +} + +BASE_DIR=$(find_maven_basedir "$(pwd)") +if [ -z "$BASE_DIR" ]; then + exit 1 +fi + +########################################################################################## +# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +# This allows using the maven wrapper in projects that prohibit checking in binary data. +########################################################################################## +if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found .mvn/wrapper/maven-wrapper.jar" + fi +else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..." + fi + if [ -n "$MVNW_REPOURL" ]; then + jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + else + jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + fi + while IFS="=" read key value; do + case "$key" in wrapperUrl) + jarUrl="$value" + break + ;; + esac + done <"$BASE_DIR/.mvn/wrapper/maven-wrapper.properties" + if [ "$MVNW_VERBOSE" = true ]; then + echo "Downloading from: $jarUrl" + fi + wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" + if $cygwin; then + wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath") + fi + + if command -v wget >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found wget ... using wget" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + wget "$jarUrl" -O "$wrapperJarPath" + else + wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" + fi + elif command -v curl >/dev/null; then + if [ "$MVNW_VERBOSE" = true ]; then + echo "Found curl ... using curl" + fi + if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then + curl -o "$wrapperJarPath" "$jarUrl" -f + else + curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f + fi + + else + if [ "$MVNW_VERBOSE" = true ]; then + echo "Falling back to using Java to download" + fi + javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java" + # For Cygwin, switch paths to Windows format before running javac + if $cygwin; then + javaClass=$(cygpath --path --windows "$javaClass") + fi + if [ -e "$javaClass" ]; then + if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Compiling MavenWrapperDownloader.java ..." + fi + # Compiling the Java class + ("$JAVA_HOME/bin/javac" "$javaClass") + fi + if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then + # Running the downloader + if [ "$MVNW_VERBOSE" = true ]; then + echo " - Running MavenWrapperDownloader.java ..." + fi + ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR") + fi + fi + fi +fi +########################################################################################## +# End of extension +########################################################################################## + +export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} +if [ "$MVNW_VERBOSE" = true ]; then + echo $MAVEN_PROJECTBASEDIR +fi +MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" + +# For Cygwin, switch paths to Windows format before running java +if $cygwin; then + [ -n "$M2_HOME" ] && + M2_HOME=$(cygpath --path --windows "$M2_HOME") + [ -n "$JAVA_HOME" ] && + JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME") + [ -n "$CLASSPATH" ] && + CLASSPATH=$(cygpath --path --windows "$CLASSPATH") + [ -n "$MAVEN_PROJECTBASEDIR" ] && + MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR") +fi + +# Provide a "standardized" way to retrieve the CLI args that will +# work with both Windows and non-Windows executions. +MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@" +export MAVEN_CMD_LINE_ARGS + +WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +exec "$JAVACMD" \ + $MAVEN_OPTS \ + -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ + "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ + ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" diff --git a/function-based-stream-app-samples/image-thumbnail-samples/mvnw.cmd b/function-based-stream-app-samples/image-thumbnail-samples/mvnw.cmd new file mode 100644 index 0000000..c8d4337 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/mvnw.cmd @@ -0,0 +1,182 @@ +@REM ---------------------------------------------------------------------------- +@REM Licensed to the Apache Software Foundation (ASF) under one +@REM or more contributor license agreements. See the NOTICE file +@REM distributed with this work for additional information +@REM regarding copyright ownership. The ASF licenses this file +@REM to you under the Apache License, Version 2.0 (the +@REM "License"); you may not use this file except in compliance +@REM with the License. You may obtain a copy of the License at +@REM +@REM https://www.apache.org/licenses/LICENSE-2.0 +@REM +@REM Unless required by applicable law or agreed to in writing, +@REM software distributed under the License is distributed on an +@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +@REM KIND, either express or implied. See the License for the +@REM specific language governing permissions and limitations +@REM under the License. +@REM ---------------------------------------------------------------------------- + +@REM ---------------------------------------------------------------------------- +@REM Maven Start Up Batch script +@REM +@REM Required ENV vars: +@REM JAVA_HOME - location of a JDK home dir +@REM +@REM Optional ENV vars +@REM M2_HOME - location of maven2's installed home dir +@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands +@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending +@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven +@REM e.g. to debug Maven itself, use +@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 +@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files +@REM ---------------------------------------------------------------------------- + +@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' +@echo off +@REM set title of command window +title %0 +@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on' +@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% + +@REM set %HOME% to equivalent of $HOME +if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") + +@REM Execute a user defined script before this one +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre +@REM check for pre script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" +if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" +:skipRcPre + +@setlocal + +set ERROR_CODE=0 + +@REM To isolate internal variables from possible post scripts, we use another setlocal +@setlocal + +@REM ==== START VALIDATION ==== +if not "%JAVA_HOME%" == "" goto OkJHome + +echo. +echo Error: JAVA_HOME not found in your environment. >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +:OkJHome +if exist "%JAVA_HOME%\bin\java.exe" goto init + +echo. +echo Error: JAVA_HOME is set to an invalid directory. >&2 +echo JAVA_HOME = "%JAVA_HOME%" >&2 +echo Please set the JAVA_HOME variable in your environment to match the >&2 +echo location of your Java installation. >&2 +echo. +goto error + +@REM ==== END VALIDATION ==== + +:init + +@REM Find the project base dir, i.e. the directory that contains the folder ".mvn". +@REM Fallback to current working directory if not found. + +set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% +IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir + +set EXEC_DIR=%CD% +set WDIR=%EXEC_DIR% +:findBaseDir +IF EXIST "%WDIR%"\.mvn goto baseDirFound +cd .. +IF "%WDIR%"=="%CD%" goto baseDirNotFound +set WDIR=%CD% +goto findBaseDir + +:baseDirFound +set MAVEN_PROJECTBASEDIR=%WDIR% +cd "%EXEC_DIR%" +goto endDetectBaseDir + +:baseDirNotFound +set MAVEN_PROJECTBASEDIR=%EXEC_DIR% +cd "%EXEC_DIR%" + +:endDetectBaseDir + +IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig + +@setlocal EnableExtensions EnableDelayedExpansion +for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a +@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% + +:endReadAdditionalConfig + +SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" +set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" +set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain + +set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + +FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO ( + IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B +) + +@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central +@REM This allows using the maven wrapper in projects that prohibit checking in binary data. +if exist %WRAPPER_JAR% ( + if "%MVNW_VERBOSE%" == "true" ( + echo Found %WRAPPER_JAR% + ) +) else ( + if not "%MVNW_REPOURL%" == "" ( + SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar" + ) + if "%MVNW_VERBOSE%" == "true" ( + echo Couldn't find %WRAPPER_JAR%, downloading it ... + echo Downloading from: %DOWNLOAD_URL% + ) + + powershell -Command "&{"^ + "$webclient = new-object System.Net.WebClient;"^ + "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^ + "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^ + "}"^ + "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^ + "}" + if "%MVNW_VERBOSE%" == "true" ( + echo Finished downloading %WRAPPER_JAR% + ) +) +@REM End of extension + +@REM Provide a "standardized" way to retrieve the CLI args that will +@REM work with both Windows and non-Windows executions. +set MAVEN_CMD_LINE_ARGS=%* + +%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* +if ERRORLEVEL 1 goto error +goto end + +:error +set ERROR_CODE=1 + +:end +@endlocal & set ERROR_CODE=%ERROR_CODE% + +if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost +@REM check for post script, once with legacy .bat ending and once with .cmd ending +if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" +if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" +:skipRcPost + +@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' +if "%MAVEN_BATCH_PAUSE%" == "on" pause + +if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% + +exit /B %ERROR_CODE% diff --git a/function-based-stream-app-samples/image-thumbnail-samples/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/pom.xml new file mode 100644 index 0000000..a08cd26 --- /dev/null +++ b/function-based-stream-app-samples/image-thumbnail-samples/pom.xml @@ -0,0 +1,22 @@ + + + 4.0.0 + io.spring.cloud.stream.sample + image-thumbnail-samples + 0.0.1-SNAPSHOT + image-thumbnail-samples + Samples using HTTP Request Function + pom + + + 8 + + + + image-thumbnail-web + image-thumbnail-stream-sample/image-thumbnail-sink + image-thumbnail-processor + + +