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package org.apache.tapestry.portlet; |
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import java.io.IOException; |
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import java.util.Locale; |
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import javax.portlet.ActionRequest; |
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import javax.portlet.ActionResponse; |
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import javax.portlet.Portlet; |
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import javax.portlet.PortletConfig; |
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import javax.portlet.PortletException; |
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import javax.portlet.RenderRequest; |
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import javax.portlet.RenderResponse; |
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import org.apache.hivemind.ClassResolver; |
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import org.apache.hivemind.Registry; |
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import org.apache.hivemind.Resource; |
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import org.apache.hivemind.impl.DefaultClassResolver; |
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import org.apache.hivemind.impl.RegistryBuilder; |
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import org.apache.hivemind.impl.XmlModuleDescriptorProvider; |
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import org.apache.tapestry.web.WebContext; |
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import org.apache.tapestry.web.WebContextResource; |
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public class ApplicationPortlet implements Portlet |
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{ |
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Registry _registry; |
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ActionRequestServicer _actionRequestServicer; |
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RenderRequestServicer _renderRequestServicer; |
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public void destroy() |
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{ |
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try |
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{ |
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_registry.shutdown(); |
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} |
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finally |
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{ |
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_registry = null; |
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_actionRequestServicer = null; |
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_renderRequestServicer = null; |
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} |
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} |
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public void init(PortletConfig config) throws PortletException |
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{ |
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_registry = constructRegistry(config); |
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PortletApplicationInitializer initializer = (PortletApplicationInitializer) _registry.getService( |
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"tapestry.portlet.PortletApplicationInitializer", |
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PortletApplicationInitializer.class); |
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initializer.initialize(config); |
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_actionRequestServicer = (ActionRequestServicer) _registry.getService( |
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"tapestry.portlet.ActionRequestServicer", |
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ActionRequestServicer.class); |
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_renderRequestServicer = (RenderRequestServicer) _registry.getService( |
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"tapestry.portlet.RenderRequestServicer", |
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RenderRequestServicer.class); |
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} |
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protected Registry constructRegistry(PortletConfig config) |
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{ |
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RegistryBuilder builder = new RegistryBuilder(); |
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ClassResolver resolver = new DefaultClassResolver(); |
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builder.addModuleDescriptorProvider(new XmlModuleDescriptorProvider(resolver)); |
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String name = config.getPortletName(); |
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WebContext context = new PortletWebContext(config.getPortletContext()); |
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addModuleIfExists(builder, resolver, context, "/WEB-INF/" + name + "/hivemodule.xml"); |
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addModuleIfExists(builder, resolver, context, "/WEB-INF/hivemodule.xml"); |
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return builder.constructRegistry(Locale.getDefault()); |
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} |
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protected void addModuleIfExists(RegistryBuilder builder, ClassResolver resolver, |
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WebContext context, String path) |
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{ |
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Resource r = new WebContextResource(context, path); |
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if (r.getResourceURL() == null) |
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return; |
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builder.addModuleDescriptorProvider(new XmlModuleDescriptorProvider(resolver, r)); |
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} |
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public void processAction(ActionRequest request, ActionResponse response) |
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throws PortletException, IOException |
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{ |
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try |
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{ |
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_registry.setupThread(); |
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_actionRequestServicer.service(request, response); |
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} |
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catch (RuntimeException ex) |
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{ |
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throw new PortletException(PortletMessages.errorProcessingAction(ex), ex); |
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} |
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finally |
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{ |
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_registry.cleanupThread(); |
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} |
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} |
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public void render(RenderRequest request, RenderResponse response) throws PortletException, |
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IOException |
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{ |
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try |
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{ |
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_registry.setupThread(); |
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_renderRequestServicer.service(request, response); |
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} |
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catch (RuntimeException ex) |
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{ |
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throw new PortletException(PortletMessages.errorProcessingRender(ex), ex); |
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} |
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finally |
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{ |
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_registry.cleanupThread(); |
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} |
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} |
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} |