INT-1477 restructuring samples repo to have basic, intermediate, advancedand applications directories

intermediate/file-processing/src/test/java/org/springframework/integration/samples/fileprocessing/FileProcessingTest.java

@@ -0,0 +1,72 @@
+/**
+ * 
+ */
+package org.springframework.integration.samples.fileprocessing;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+
+import org.apache.log4j.Logger;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+import org.springframework.integration.core.PollableChannel;
+
+/**
+ * @author Oleg Zhurakousky
+ *
+ */
+public class FileProcessingTest {
+	private int fileCount = 5;
+	private Logger logger = Logger.getLogger(FileProcessingTest.class);
+	
+	@Before
+	public void createDirectory(){
+		File directory = new File("input");
+		if (directory.exists()){
+			directory.delete();
+		}
+		directory.mkdir();
+	}
+
+	@Test
+	public void testSequentialFileProcessing() throws Exception {	
+		logger.info("\n\n#### Starting Sequential processing test ####");
+		logger.info("Populating directory with files");
+		for (int i = 0; i < fileCount; i++) {
+			File file = new File("input/file_" + i + ".txt");
+			BufferedWriter out = new BufferedWriter(new FileWriter(file));
+		    out.write("hello " + i);
+		    out.close();
+		}
+		logger.info("Populated directory with files");
+		Thread.sleep(2000);
+		logger.info("Starting Spring Integration Sequential File processing");
+		ApplicationContext ac = new ClassPathXmlApplicationContext("META-INF/spring/integration/sequentialFileProcessing-config.xml");
+		PollableChannel filesOutChannel = ac.getBean("filesOutChannel", PollableChannel.class);
+		for (int i = 0; i < fileCount; i++) {
+			logger.info("Finished processing " + filesOutChannel.receive(10000).getPayload());
+		}
+	}
+	@Test
+	public void testConcurrentFileProcessing() throws Exception {
+		logger.info("\n\n#### Starting Concurrent processing test #### ");
+		logger.info("Populating directory with files");
+		for (int i = 0; i < fileCount; i++) {
+			File file = new File("input/file_" + i + ".txt");
+			BufferedWriter out = new BufferedWriter(new FileWriter(file));
+		    out.write("hello " + i);
+		    out.close();
+		}
+		logger.info("Populated directory with files");
+		Thread.sleep(2000);
+		logger.info("Starting Spring Integration Sequential File processing");
+		ApplicationContext ac = new ClassPathXmlApplicationContext("/META-INF/spring/integration/concurrentFileProcessing-config.xml");
+		PollableChannel filesOutChannel = ac.getBean("filesOutChannel", PollableChannel.class);
+		for (int i = 0; i < fileCount; i++) {
+			logger.info("Finished processing " + filesOutChannel.receive(10000).getPayload());
+		}
+	}
+}

intermediate/file-processing/src/test/resources/log4j.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
+<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
+
+	<!-- Appenders -->
+	<appender name="console" class="org.apache.log4j.ConsoleAppender">
+		<param name="Target" value="System.out" />
+		<layout class="org.apache.log4j.PatternLayout">
+			<param name="ConversionPattern" value="%-5p: %c - %m%n" />
+		</layout>
+	</appender>
+
+	<!-- Loggers -->
+	<logger name="org.springframework">
+		<level value="warn" />
+	</logger>
+
+	<logger name="org.springframework.integration.samples.fileprocessing">
+		<level value="debug" />
+	</logger>
+
+	<logger name="org.springframework.integration.file">
+		<level value="warn" />
+	</logger>
+
+	<!-- Root Logger -->
+	<root>
+		<priority value="warn" />
+		<appender-ref ref="console" />
+	</root>
+
+</log4j:configuration>