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iPOJO Ant Task

iPOJO

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IPOJO Ant Task

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Ant Task allows automating the iPOJO manipulation process within an Ant build process. This page explains how to use the iPOJO Ant Task and how to combine them with the BND Tasks.

Downloading the iPOJO Ant Task

The iPOJO Ant Task can ben downloaded from here.

How to use the Ant Task

The iPOJO Ant task take an input bundle and a metadata file and create the final (i.e. manipulated) bundle.
To use the task declare a target in your build.xml as:

First, define the new task. Then simply use it. The input argument describe the input bundle (must exists) and the metadata argument describes the metadata file (must exist too). The input bundle must be a well-formed bundle.

Ant Task Arguments

The iPOJO Ant Task as three different arguments:

• Input: describes the input bundle. This argument is mandatory.
• Output: describes the output bundle. This argument is optional. If not present, the output file will be input file.
• Metadata: describes the metadata file. This argument is optional. By default, it tries with a metadata.xml file (in the same directory as the build.xml file). If the default file is not present, it tries to use only iPOJO annotations.
• IgnoreAnnotations: if set to

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• true

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• , the manipulator skips annotations processing (can reduce significantly the processing time on huge bundle).
• IgnoreEmbeddedSchemas: if set to true, the manipulator doesn't use embedded XML-Schemas

Combining the iPOJO Ant Task and BND

The iPOJO Ant Task requires an input bundle. BND is a tools simplifying bundle creation. So, it is possible to combine the two tools to create your bundle automatically. The following build.xml shows you an example of combination.

The first target creates the bundle with BND. More details on the BND Ant Task are available here. To combine the BND output and the iPOJO input, the iPOJO input need to be the same as the BND file but with the ".jar" extension. For instance, the BND file is foo.bnd, so the input jar must be foo.jar.
To be sure that the BND bundle is already created, you can add the "depends" clause in the target using the iPOJO task to the target creating the bundle.

However, it is possible to create only one target doing the two operations as:

Directory manipulation

The manipulator can take a directory in input. In this case, classes from this folder is manipulated. You can also set the manifest file location too. Here in an example of configuration using this mode:

<target name="manipulate">		
     <ipojo
	dir="${output..}" <!-- Manipulated directory -->
	metadata="metadata.xml"
	manifest="META-INF/MANIFEST.MF"  <!-- Manifest location -->
    />
</target>

Conclusion

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