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This tutorial describes how to create a very simple Hello World style of JBI service engine. This tutorial is as minimalistic as possible so as to focus on key concepts and not drown in details. The Hello World component will respond to all requests with the message:

<hello>Hello World! Message \ [<original message here>\] contains \ [??\] bytes.</hello>

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Wiki Markup

The following sections will walk through the creation, packaging, testing and deployment of the Hello World service engine.

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No Format
[INFO] Scanning for projects...
[INFO] ----------------------------------------------------------------------------
[INFO] Building A custom project
[INFO]    task-segment: [install]
[INFO] ----------------------------------------------------------------------------
[INFO] [xbean:mapping {execution: default}]
Checking: org.apache.servicemix.samples.helloworld.se.MyComponent
Checking: org.apache.servicemix.samples.helloworld.se.MyEndpoint
[INFO] Generating META-INF properties file: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/META-INF/services/org/apache/xbean/spring/http/
org.apache.servicemix.samples.helloworld.se/1.0 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
[INFO] Generating Spring 2.0 handler mapping: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/META-INF/spring.handlers 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
[INFO] Generating Spring 2.0 schema mapping: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/META-INF/spring.schemas 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
[INFO] Generating HTML documentation file: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/hello-world-se.xsd.html 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
[INFO] Generating XSD file: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/hello-world-se.xsd 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
[INFO] Generating WIKI documentation file: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/hello-world-se.xsd.wiki 
for namespace: http://org.apache.servicemix.samples.helloworld.se/1.0
Warning, could not load class: org.apache.servicemix.samples.helloworld.se.MyEndpoint
[INFO] ...done.
Downloading: http://repo.mergere.com/maven2/xml-security/xmlsec/1.3.0/xmlsec-1.3.0.pom
[WARNING] Unable to get resource from repository central (http://repo1.maven.org/maven2)
Downloading: http://repo.mergere.com/maven2/wss4j/wss4j/1.5.0/wss4j-1.5.0.pom
[WARNING] Unable to get resource from repository central (http://repo1.maven.org/maven2)
[INFO] [jbi:generate-jbi-component-descriptor]
[INFO] Generating jbi.xml
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [surefire:test]
[INFO] Surefire report directory: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/surefire-reports

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 T E S T S
-------------------------------------------------------
Running org.apache.servicemix.samples.helloworld.se.MySpringComponentTest
<hello>Hello World! Message [<hello>Ski Colorado!</hello>] contains [28] bytes</hello>.
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.487 sec

Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0

[INFO] [jar:jar]
[INFO] Building jar: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/hello-world-se-1.0-SNAPSHOT.jar
[INFO] [jbi:jbi-component]
[INFO] Generating installer /Users/bsnyder/src/hello-world-smx/hello-world-se/target/hello-world-se-1.0-SNAPSHOT-installer.zip
[INFO] Building jar: /Users/bsnyder/src/hello-world-smx/hello-world-se/target/hello-world-se-1.0-SNAPSHOT-installer.zip
[INFO] [install:install]
[INFO] Installing /Users/bsnyder/src/hello-world-smx/hello-world-se/target/hello-world-se-1.0-SNAPSHOT.jar to 
/Users/bsnyder/.m2/repository/org/apache/servicemix/samples/helloworld/se/hello-world-se/1.0-SNAPSHOT/hello-world-se-1.0-SNAPSHOT.jar
[INFO] Installing /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/hello-world-se.xsd to 
/Users/bsnyder/.m2/repository/org/apache/servicemix/samples/helloworld/se/hello-world-se/1.0-SNAPSHOT/hello-world-se-1.0-SNAPSHOT.xsd
[INFO] Installing /Users/bsnyder/src/hello-world-smx/hello-world-se/target/xbean/hello-world-se.xsd.html to 
/Users/bsnyder/.m2/repository/org/apache/servicemix/samples/helloworld/se/hello-world-se/1.0-SNAPSHOT/hello-world-se-1.0-SNAPSHOT-schema.html
[INFO] Installing /Users/bsnyder/src/hello-world-smx/hello-world-se/target/hello-world-se-1.0-SNAPSHOT-installer.zip to 
/Users/bsnyder/.m2/repository/org/apache/servicemix/samples/helloworld/se/hello-world-se/1.0-SNAPSHOT/hello-world-se-1.0-SNAPSHOT-installer.zip
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 16 seconds
[INFO] Finished at: Mon Jan 15 13:19:51 MST 2007
[INFO] Final Memory: 13M/24M
[INFO] ------------------------------------------------------------------------

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Notice that not only do we see that the build was successful, but also note the text in the output above that was printed by the test (*<hello>Hello World! Message \ [<hello>Ski Colorado!</hello>\] contains \ [28\] bytes.</hello>*). This is the message we were expecting to be output from the test. So if you see this, you just wrote a JBI component and tested it successfully. Now this SU needs to be wrapped in a SA so it can be deployed to the JBI container.

Deploying the Component

Now it's time to deploy this component to the JBI container. Because the component was just built above, you should now see a filed named hello-world-se-1.0-SNAPSHOT-installer.zip in the target directory of the project. This is the component all packaged up and ready to be deployed. To deploy the component, simply copy the ZIP file to the ServiceMix install directory. You can do this before starting ServiceMix or while ServiceMix is running.

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