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Setting up a Fuse ESB JBI project

When working with the Fuse ESB JBI Maven tooling, you create a top-level project that can build all of the service units and then package them into a service assembly. Using a top-level project for this purpose has several advantages:

The top-level project is responsible for assembling the application. It uses the Maven assembly plug-in and lists your service units and the service assembly as modules of the project.

Your top-level project contains the following directories:

To use the Fuse ESB JBI Maven tooling, add the elements shown in Example 8.1 to your top-level POM file.

Example 8.1. POM elements for using Fuse ESB Maven tooling

...
<pluginRepositories>
  <pluginRepository>
    <id>fusesource.m2</id>
    <name>ESB Open Source Community Release Repository</name>
    <url>http://repo.fusesource.com/maven2</url>
    <snapshots>
      <enabled>false</enabled>
    </snapshots>
    <releases>
      <enabled>true</enabled>
    </releases>
  </pluginRepository>
</pluginRepositories>
<repositories>
  <repository>
    <id>fusesource.m2</id>
    <name>ESB Open Source Community Release Repository</name>
    <url>http://repo.fusesource.com/maven2</url>
    <snapshots>
       <enabled>false</enabled>
    </snapshots>
    <releases>
      <enabled>true</enabled>
    </releases>
  </repository>
  <repository>
    <id>fusesource.m2-snapshot</id>
    <name>ESB Open Source Community Snapshot Repository</name>
    <url>http://repo.fusesource.com/maven2-snapshot</url>
    <snapshots>
      <enabled>true</enabled>
    </snapshots>
    <releases>
      <enabled>false</enabled>
    </releases>
  </repository>
</repositories>
  ...
<build>
  <plugins>
    <plugin>
      <groupId>org.apache.servicemix.tooling</groupId>
      <artifactId>jbi-maven-plugin</artifactId>
      <version>servicemix-version</version> 
      <extensions>true</extensions>
    </plugin>
  </plugins>
</build>
  ...

These elements point Maven to the correct repositories to download the Fuse ESB Maven tooling and to load the plug-in that implements the tooling.

The top-level POM lists all of the service units and the service assembly that is generated as modules. The modules are contained in a modules element. The modules element contains one module element for each service unit in the assembly. You also need a module element for the service assembly.

The modules are listed in the order in which they are built. This means that the service assembly module is listed after all of the service unit modules.

Example 8.2 shows a top-level POM for a project that contains a single service unit.

Example 8.2. Top-level POM for a Fuse ESB JBI project

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>com.widgets</groupId>
    <artifactId>demos</artifactId>
    <version>1.0</version>
  </parent>

  <groupId>com.widgets.demo</groupId>
  <artifactId>cxf-wsdl-first</artifactId>
  <name>CXF WSDL Fisrt Demo</name>
  <packaging>pom</packaging>
    
  <pluginRepositories> 1
    <pluginRepository>
      <id>fusesource.m2</id>
      <name>ESB Open Source Community Release Repository</name>
      <url>http://repo.fusesource.com/maven2</url>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <releases>
        <enabled>true</enabled>
      </releases>
    </pluginRepository>
  </pluginRepositories>
  <repositories>
    <repository>
      <id>fusesource.m2</id>
      <name>ESB Open Source Community Release Repository</name>
      <url>http://repo.fusesource.com/maven2</url>
      <snapshots>
         <enabled>false</enabled>
      </snapshots>
      <releases>
        <enabled>true</enabled>
      </releases>
    </repository>
    <repository>
      <id>fusesource.m2-snapshot</id>
      <name>ESB Open Source Community Snapshot Repository</name>
      <url>http://repo.fusesource.com/maven2-snapshot</url>
      <snapshots>
        <enabled>true</enabled>
      </snapshots>
      <releases>
        <enabled>false</enabled>
      </releases>
    </repository>
  </repositories>
    
  <modules> 2
    <module>wsdl-first-cxfse-su</module>
     <module>wsdl-first-cxf-sa</module>
  </modules>
    
  <build>
    <plugins>
      <plugin> 3
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-assembly-plugin</artifactId>
         <version>2.1</version>
         <inherited>false</inherited>
           <executions>
             <execution>
                <id>src</id>
                <phase>package</phase>
                <goals>
                  <goal>single</goal>
                </goals>
                <configuration>
                  <descriptors>
                    <descriptor>src/main/assembly/src.xml</descriptor>
                  </descriptors>
                 </configuration>
               </execution>
             </executions>
           </plugin>
           <plugin> 4
             <groupId>org.apache.servicemix.tooling</groupId>
             <artifactId>jbi-maven-plugin</artifactId>
             <extensions>true</extensions>
           </plugin>
    </plugins>
  </build>
</project>

The top-level POM shown in Example 8.2 does the following:

1

Configures Maven to use the ESB repositories for loading the Fuse ESB plug-ins.

2

Lists the sub-projects used for this application. The wsdl-first-cxfse-su module is the module for the service unit. The wsdl-first-cxf-sa module is the module for the service assembly

3

Configures the Maven assembly plug-in.

4

Loads the Fuse ESB JBI plug-in.

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