Provide a sample using the DataFlowTemplate
This commit is contained in:
Gunnar Hillert
25
dataflow-template-example/.gitignore
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dataflow-template-example/.gitignore
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/target/
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!.mvn/wrapper/maven-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/build/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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BIN
dataflow-template-example/.mvn/wrapper/maven-wrapper.jar
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BIN
dataflow-template-example/.mvn/wrapper/maven-wrapper.jar
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Binary file not shown.
1
dataflow-template-example/.mvn/wrapper/maven-wrapper.properties
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dataflow-template-example/.mvn/wrapper/maven-wrapper.properties
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distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.4/apache-maven-3.5.4-bin.zip
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201
dataflow-template-example/LICENSE
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dataflow-template-example/LICENSE
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Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
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|
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END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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Licensed under the Apache License, Version 2.0 (the "License");
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
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20
dataflow-template-example/README.adoc
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dataflow-template-example/README.adoc
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|||||||
|
= Data Flow Template Example
|
||||||
|
|
||||||
|
This example provides an example of using the Spring Cloud Data Flow Template to
|
||||||
|
interact with a Spring Cloud Data Flow server programmatically.
|
||||||
|
|
||||||
|
This examples, will import
|
||||||
|
https://cloud.spring.io/spring-cloud-stream-app-starters/[Stream App Starter applications]
|
||||||
|
and print the the list of imported application to the console.
|
||||||
|
|
||||||
|
In order to get everything running we need to setup the following server instances:
|
||||||
|
|
||||||
|
* Spring Cloud Skipper (secured by OAUTH2, port `7577`)
|
||||||
|
* Spring Cloud Data Flow (secured by OAUTH2, port `9393`)
|
||||||
|
|
||||||
|
== Build + Run
|
||||||
|
|
||||||
|
Configure the example application in `DataflowTemplateApplication.java`. Then build
|
||||||
|
using `$ mvn clean package` and run using
|
||||||
|
`$ java -jar target/dataflow-template-1.0.0.BUILD-SNAPSHOT.jar`
|
||||||
|
|
||||||
143
dataflow-template-example/mvnw.cmd
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dataflow-template-example/mvnw.cmd
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|||||||
|
@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 http://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 Maven2 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 key stroke 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 enable echoing my 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
|
||||||
|
|
||||||
|
%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%
|
||||||
90
dataflow-template-example/pom.xml
Normal file
90
dataflow-template-example/pom.xml
Normal file
@@ -0,0 +1,90 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||||
|
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||||
|
<modelVersion>4.0.0</modelVersion>
|
||||||
|
|
||||||
|
<groupId>org.springframework.cloud.samples</groupId>
|
||||||
|
<artifactId>dataflow-template</artifactId>
|
||||||
|
<version>1.0.0.BUILD-SNAPSHOT</version>
|
||||||
|
<packaging>jar</packaging>
|
||||||
|
|
||||||
|
<name>ldapserver</name>
|
||||||
|
<description>Demo project for Spring Boot</description>
|
||||||
|
|
||||||
|
<parent>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-parent</artifactId>
|
||||||
|
<version>2.1.0.RELEASE</version>
|
||||||
|
<relativePath/> <!-- lookup parent from repository -->
|
||||||
|
</parent>
|
||||||
|
|
||||||
|
<properties>
|
||||||
|
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||||
|
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
|
||||||
|
<java.version>1.8</java.version>
|
||||||
|
</properties>
|
||||||
|
|
||||||
|
<dependencies>
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter</artifactId>
|
||||||
|
</dependency>
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-test</artifactId>
|
||||||
|
<scope>test</scope>
|
||||||
|
</dependency>
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.cloud</groupId>
|
||||||
|
<artifactId>spring-cloud-dataflow-rest-client</artifactId>
|
||||||
|
<version>2.0.0.BUILD-SNAPSHOT</version>
|
||||||
|
</dependency>
|
||||||
|
</dependencies>
|
||||||
|
|
||||||
|
<build>
|
||||||
|
<plugins>
|
||||||
|
<plugin>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||||
|
</plugin>
|
||||||
|
</plugins>
|
||||||
|
</build>
|
||||||
|
|
||||||
|
<repositories>
|
||||||
|
<repository>
|
||||||
|
<id>spring-snapshots</id>
|
||||||
|
<name>Spring Snapshots</name>
|
||||||
|
<url>https://repo.spring.io/snapshot</url>
|
||||||
|
<snapshots>
|
||||||
|
<enabled>true</enabled>
|
||||||
|
</snapshots>
|
||||||
|
</repository>
|
||||||
|
<repository>
|
||||||
|
<id>spring-milestones</id>
|
||||||
|
<name>Spring Milestones</name>
|
||||||
|
<url>https://repo.spring.io/milestone</url>
|
||||||
|
<snapshots>
|
||||||
|
<enabled>false</enabled>
|
||||||
|
</snapshots>
|
||||||
|
</repository>
|
||||||
|
</repositories>
|
||||||
|
|
||||||
|
<pluginRepositories>
|
||||||
|
<pluginRepository>
|
||||||
|
<id>spring-snapshots</id>
|
||||||
|
<name>Spring Snapshots</name>
|
||||||
|
<url>https://repo.spring.io/snapshot</url>
|
||||||
|
<snapshots>
|
||||||
|
<enabled>true</enabled>
|
||||||
|
</snapshots>
|
||||||
|
</pluginRepository>
|
||||||
|
<pluginRepository>
|
||||||
|
<id>spring-milestones</id>
|
||||||
|
<name>Spring Milestones</name>
|
||||||
|
<url>https://repo.spring.io/milestone</url>
|
||||||
|
<snapshots>
|
||||||
|
<enabled>false</enabled>
|
||||||
|
</snapshots>
|
||||||
|
</pluginRepository>
|
||||||
|
</pluginRepositories>
|
||||||
|
</project>
|
||||||
@@ -0,0 +1,82 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2019 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
|
||||||
|
*
|
||||||
|
* http://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 org.springframework.cloud.samples.dataflowtemplate;
|
||||||
|
|
||||||
|
import java.net.URI;
|
||||||
|
|
||||||
|
import org.slf4j.Logger;
|
||||||
|
import org.slf4j.LoggerFactory;
|
||||||
|
import org.springframework.boot.ApplicationArguments;
|
||||||
|
import org.springframework.boot.ApplicationRunner;
|
||||||
|
import org.springframework.boot.SpringApplication;
|
||||||
|
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.DataFlowTemplate;
|
||||||
|
import org.springframework.cloud.dataflow.rest.client.config.DataFlowClientAutoConfiguration;
|
||||||
|
import org.springframework.cloud.dataflow.rest.resource.AppRegistrationResource;
|
||||||
|
import org.springframework.cloud.dataflow.rest.util.HttpClientConfigurer;
|
||||||
|
import org.springframework.hateoas.PagedResources;
|
||||||
|
import org.springframework.web.client.RestTemplate;
|
||||||
|
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* @author Gunnar Hillert
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
@SpringBootApplication(exclude = { DataFlowClientAutoConfiguration.class })
|
||||||
|
public class DataflowTemplateApplication implements ApplicationRunner {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
SpringApplication.run(DataflowTemplateApplication.class, args);
|
||||||
|
}
|
||||||
|
|
||||||
|
private final Logger logger = LoggerFactory.getLogger(DataflowTemplateApplication.class);
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void run(ApplicationArguments applicationArguments) throws Exception {
|
||||||
|
final DataFlowTemplate dataFlowTemplate = getDataFlowTemplate("user", "secret99", "http://localhost:9393");
|
||||||
|
|
||||||
|
final String appRegistrationUrl = "http://bit.ly/Einstein-RC1-stream-applications-rabbit-maven";
|
||||||
|
logger.info("\n\nImporting Applications from: {}.\n", appRegistrationUrl);
|
||||||
|
|
||||||
|
final PagedResources<AppRegistrationResource> appRegistrations =
|
||||||
|
dataFlowTemplate.appRegistryOperations().importFromResource(appRegistrationUrl, false);
|
||||||
|
|
||||||
|
logger.info("Imported {} Applications. Showing the first {} from page {}",
|
||||||
|
appRegistrations.getMetadata().getTotalElements(),
|
||||||
|
appRegistrations.getMetadata().getSize(),
|
||||||
|
appRegistrations.getMetadata().getNumber());
|
||||||
|
|
||||||
|
for (AppRegistrationResource app : appRegistrations.getContent()) {
|
||||||
|
logger.info("{} (type: {})", app.getName(), app.getType());
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
private static DataFlowTemplate getDataFlowTemplate(String username, String password, String target) {
|
||||||
|
final URI targetUri = URI.create(target);
|
||||||
|
|
||||||
|
final RestTemplate restTemplate = DataFlowTemplate.getDefaultDataflowRestTemplate();
|
||||||
|
final HttpClientConfigurer httpClientConfigurer = HttpClientConfigurer.create(targetUri);
|
||||||
|
httpClientConfigurer.basicAuthCredentials(username, password);
|
||||||
|
restTemplate.setRequestFactory(httpClientConfigurer.buildClientHttpRequestFactory());
|
||||||
|
|
||||||
|
final DataFlowTemplate dataFlowTemplate = new DataFlowTemplate(targetUri, restTemplate);
|
||||||
|
|
||||||
|
return dataFlowTemplate;
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user