bundles/demo/src/main/resources/struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
    "http://struts.apache.org/dtds/struts-2.5.dtd">

<struts>
    <!-- Set some Struts 2 constants relevant to the OSGi Plugin. 
           Note:  The constant definitions specified here (within the demo bundle) may also need to be 
                  duplicated in the struts.xml configuration of the outer project that packages the demo
                  bundle JAR file within it.
    -->
    <constant name="struts.objectFactory" value="osgi" />
    <constant name="struts.objectFactory.delegate" value="struts" />
    <constant name="struts.freemarker.manager.classname" value="org.apache.struts2.osgi.BundleFreemarkerManager" />
    <constant name="struts.velocity.manager.classname" value="org.apache.struts2.osgi.VelocityBundleResourceLoader" />
    <constant name="struts.staticContentLoader" value="org.apache.struts2.osgi.loaders.StaticContentBundleResourceLoader" />

    <package name="bundle-demo" namespace="/osgi" extends="osgi-default, velocity-default" strict-method-invocation="true">

        <default-action-ref name="home" />

        <action name="hello-velocity" class="actions.osgi.HelloWorldAction">
            <result type="velocity">/content/osgi/hello.vm</result>
        </action>

        <action name="hello-freemarker" class="actions.osgi.HelloWorldAction">
            <result type="freemarker">/content/osgi/hello.ftl</result>
        </action>

        <action name="home" class="actions.osgi.HelloWorldAction">
            <result type="freemarker">/content/osgi/home.ftl</result>
        </action>

    </package>
</struts>