Clean up Apache Camel example

spring-apache-camel/README.md

@@ -23,6 +23,6 @@ To build this application execute following maven command in ApacheCamelFileProc
 
 <code>mvn clean install</code>
 
-To run this application you can either run our main class org.apache.camel.main.App from your IDE or you can execute following maven command:
+To run this application you can either run our main class App from your IDE or you can execute following maven command:
 
-<code>mvn exec:java -Dexec.mainClass="org.apache.camel.main.App"</code>
+<code>mvn exec:java -Dexec.mainClass="App"</code>

spring-apache-camel/src/main/java/com/baeldung/camel/main/App.java

@@ -1,4 +1,4 @@
-package org.apache.camel.main;
+package com.baeldung.camel.main;
 
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 

spring-apache-camel/src/main/java/com/baeldung/camel/processor/FileProcessor.java

@@ -0,0 +1,14 @@
+package com.baeldung.camel.processor;
+
+import org.apache.camel.Exchange;
+import org.apache.camel.Processor;
+
+public class FileProcessor implements Processor {
+
+    public void process(Exchange exchange) throws Exception {
+        String originalFileContent = exchange.getIn().getBody(String.class);
+        String upperCaseFileContent = originalFileContent.toUpperCase();
+        exchange.getIn().setBody(upperCaseFileContent);
+    }
+
+}

spring-apache-camel/src/main/java/org/apache/camel/processor/FileProcessor.java

@@ -1,14 +0,0 @@
-package org.apache.camel.processor;
-
-import org.apache.camel.Exchange;
-import org.apache.camel.Processor;
-
-public class FileProcessor implements Processor {
-
-	public void process(Exchange exchange) throws Exception {
-		String originalFileContent = exchange.getIn().getBody(String.class);
-		String upperCaseFileContent = originalFileContent.toUpperCase();
-		exchange.getIn().setBody(upperCaseFileContent);
-	}
-
-}

spring-apache-camel/src/main/resources/camel-context.xml

@@ -9,13 +9,13 @@
         <route customId="true" id="route1">
 
             <!-- Read files from input directory -->
-			<from uri="file://src/test/data/input" />
+            <from uri="file://src/test/data/input"/>
 
             <!-- Transform content to UpperCase -->
-			<process ref="myFileProcessor" />
+            <process ref="myFileProcessor"/>
 
             <!-- Write converted file content -->
-			<to uri="file://src/test/data/outputUpperCase" />
+            <to uri="file://src/test/data/outputUpperCase"/>
 
             <!-- Transform content to LowerCase -->
             <transform>
@@ -23,18 +23,17 @@
             </transform>
 
             <!-- Write converted file content -->
-			<to uri="file://src/test/data/outputLowerCase" />
+            <to uri="file://src/test/data/outputLowerCase"/>
 
             <!-- Display process completion message on console -->
             <transform>
-				<simple> .......... File content conversion completed ..........
+                <simple>.......... File content conversion completed ..........</simple>
-				</simple>
             </transform>
-			<to uri="stream:out" />
+            <to uri="stream:out"/>
 
         </route>
 
     </camelContext>
 
-	<bean id="myFileProcessor" class="org.apache.camel.processor.FileProcessor" />
+    <bean id="myFileProcessor" class="com.baeldung.camel.processor.FileProcessor"/>
 </beans>

spring-apache-camel/src/test/data/sampleInputFile/file.txt

@@ -1 +1 @@
-THIS IS UPPERCASE CONTENT. this is lowercase content.
+This is data that will be processed by a Camel route!

spring-apache-camel/src/test/java/org/apache/camel/main/AppTest.java

@@ -1,5 +1,12 @@
 package org.apache.camel.main;
 
+import com.baeldung.camel.main.App;
+import junit.framework.TestCase;
+import org.apache.camel.util.FileUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -8,19 +15,12 @@ import java.nio.channels.FileChannel;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
-import junit.framework.TestCase;
-
-import org.apache.camel.util.FileUtil;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
 public class AppTest extends TestCase {
 
     private static final String FILE_NAME = "file.txt";
     private static final String SAMPLE_INPUT_DIR = "src/test/data/sampleInputFile/";
     private static final String TEST_INPUT_DIR = "src/test/data/input/";
-	private static final String UPPERCARE_OUTPUT_DIR = "src/test/data/outputUpperCase/";
+    private static final String UPPERCASE_OUTPUT_DIR = "src/test/data/outputUpperCase/";
     private static final String LOWERCASE_OUTPUT_DIR = "src/test/data/outputLowerCase/";
 
     @Before
@@ -34,20 +34,20 @@ public class AppTest extends TestCase {
         System.out.println("Deleting the test input and output files...");
         deleteFile(TEST_INPUT_DIR);
         deleteFile(LOWERCASE_OUTPUT_DIR);
-		deleteFile(UPPERCARE_OUTPUT_DIR);
+        deleteFile(UPPERCASE_OUTPUT_DIR);
     }
 
     @Test
     public final void testMain() throws Exception {
         App.main(null);
 
-		String inputFileContent = readFileContent(SAMPLE_INPUT_DIR+FILE_NAME);
+        String inputFileContent = readFileContent(SAMPLE_INPUT_DIR + FILE_NAME);
-		String outputUpperCase = readFileContent(UPPERCARE_OUTPUT_DIR+FILE_NAME);
+        String outputUpperCase = readFileContent(UPPERCASE_OUTPUT_DIR + FILE_NAME);
-		String outputLowerCase = readFileContent(LOWERCASE_OUTPUT_DIR+FILE_NAME);
+        String outputLowerCase = readFileContent(LOWERCASE_OUTPUT_DIR + FILE_NAME);
 
-		System.out.println("Input File content = ["+inputFileContent+"]");
+        System.out.println("Input File content = [" + inputFileContent + "]");
-		System.out.println("UpperCaseOutput file content = ["+outputUpperCase+"]");
+        System.out.println("UpperCaseOutput file content = [" + outputUpperCase + "]");
-		System.out.println("LowerCaseOtput file content = ["+outputLowerCase+"]");
+        System.out.println("LowerCaseOtput file content = [" + outputLowerCase + "]");
 
         assertEquals(inputFileContent.toUpperCase(), outputUpperCase);
         assertEquals(inputFileContent.toLowerCase(), outputLowerCase);
@@ -82,7 +82,7 @@ public class AppTest extends TestCase {
                 System.out.println("Creating input file = [" + TEST_INPUT_DIR + FILE_NAME + "]");
 
                 File destDir = new File(TEST_INPUT_DIR);
-				if(!destDir.exists()) {
+                if (!destDir.exists()) {
                     destDir.mkdir();
                 }
                 destFile.createNewFile();