Clover coverage report - Code Coverage for tapestry-portlet release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:12:17 EDT
file stats: LOC: 172   Methods: 6
NCLOC: 104   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ApplicationPortlet.java 50% 90.6% 100% 90%
coverage coverage
 1   
 // Copyright 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.portlet;
 16   
 
 17   
 import java.io.IOException;
 18   
 import java.util.Locale;
 19   
 
 20   
 import javax.portlet.ActionRequest;
 21   
 import javax.portlet.ActionResponse;
 22   
 import javax.portlet.Portlet;
 23   
 import javax.portlet.PortletConfig;
 24   
 import javax.portlet.PortletException;
 25   
 import javax.portlet.RenderRequest;
 26   
 import javax.portlet.RenderResponse;
 27   
 
 28   
 import org.apache.hivemind.ClassResolver;
 29   
 import org.apache.hivemind.Registry;
 30   
 import org.apache.hivemind.Resource;
 31   
 import org.apache.hivemind.impl.DefaultClassResolver;
 32   
 import org.apache.hivemind.impl.RegistryBuilder;
 33   
 import org.apache.hivemind.impl.XmlModuleDescriptorProvider;
 34   
 import org.apache.tapestry.web.WebContext;
 35   
 import org.apache.tapestry.web.WebContextResource;
 36   
 
 37   
 /**
 38   
  * Portlet implementation for Tapestry Portlet applilcations. It's job is to create and manage the
 39   
  * HiveMind registry, to use the <code>tapestry.portlet.PortletApplicationInitializer</code>
 40   
  * service to initialize HiveMind, and the delegate requests to the
 41   
  * <code>tapestry.portlet.ActionRequestServicer</code> and
 42   
  * <code>tapestry.portlet.RenderRequestServicer</code> services.
 43   
  * 
 44   
  * @author Howard M. Lewis Ship
 45   
  * @since 4.0
 46   
  */
 47   
 public class ApplicationPortlet implements Portlet
 48   
 {
 49   
     Registry _registry;
 50   
 
 51   
     ActionRequestServicer _actionRequestServicer;
 52   
 
 53   
     RenderRequestServicer _renderRequestServicer;
 54   
 
 55  1
     public void destroy()
 56   
     {
 57  1
         try
 58   
         {
 59  1
             _registry.shutdown();
 60   
         }
 61   
         finally
 62   
         {
 63  1
             _registry = null;
 64  1
             _actionRequestServicer = null;
 65  1
             _renderRequestServicer = null;
 66   
         }
 67   
     }
 68   
 
 69  4
     public void init(PortletConfig config) throws PortletException
 70   
     {
 71  4
         _registry = constructRegistry(config);
 72   
 
 73  4
         PortletApplicationInitializer initializer = (PortletApplicationInitializer) _registry
 74   
                 .getService(
 75   
                         "tapestry.portlet.PortletApplicationInitializer",
 76   
                         PortletApplicationInitializer.class);
 77   
 
 78  4
         initializer.initialize(config);
 79   
 
 80  4
         _actionRequestServicer = (ActionRequestServicer) _registry.getService(
 81   
                 "tapestry.portlet.ActionRequestServicer",
 82   
                 ActionRequestServicer.class);
 83   
 
 84  4
         _renderRequestServicer = (RenderRequestServicer) _registry.getService(
 85   
                 "tapestry.portlet.RenderRequestServicer",
 86   
                 RenderRequestServicer.class);
 87   
     }
 88   
 
 89   
     /**
 90   
      * Constructs the Registry. The Registry is constructed from the classpath, plus two optional
 91   
      * files:
 92   
      * <ul>
 93   
      * <li>WEB-INF/ <em>name</em> /hivemodule.xml</li>
 94   
      * <li>WEB-INF/hivemodule.xml</li>
 95   
      * </ul>.
 96   
      * <p>
 97   
      * Where <em>name</em> is the name of the portlet.
 98   
      */
 99   
 
 100  1
     protected Registry constructRegistry(PortletConfig config)
 101   
     {
 102  1
         RegistryBuilder builder = new RegistryBuilder();
 103   
 
 104  1
         ClassResolver resolver = new DefaultClassResolver();
 105   
 
 106  1
         builder.addModuleDescriptorProvider(new XmlModuleDescriptorProvider(resolver));
 107   
 
 108  1
         String name = config.getPortletName();
 109  1
         WebContext context = new PortletWebContext(config.getPortletContext());
 110   
 
 111  1
         addModuleIfExists(builder, resolver, context, "/WEB-INF/" + name + "/hivemodule.xml");
 112  1
         addModuleIfExists(builder, resolver, context, "/WEB-INF/hivemodule.xml");
 113   
 
 114  1
         return builder.constructRegistry(Locale.getDefault());
 115   
     }
 116   
 
 117   
     /**
 118   
      * Looks for a file in the context; if it exists, it is expected to be a HiveMind module
 119   
      * descriptor, and is added to the builder.
 120   
      * 
 121   
      * @since 4.0
 122   
      */
 123   
 
 124  2
     protected void addModuleIfExists(RegistryBuilder builder, ClassResolver resolver,
 125   
             WebContext context, String path)
 126   
     {
 127  2
         Resource r = new WebContextResource(context, path);
 128   
 
 129  2
         if (r.getResourceURL() == null)
 130  0
             return;
 131   
 
 132  2
         builder.addModuleDescriptorProvider(new XmlModuleDescriptorProvider(resolver, r));
 133   
     }
 134   
 
 135  1
     public void processAction(ActionRequest request, ActionResponse response)
 136   
             throws PortletException, IOException
 137   
     {
 138  1
         try
 139   
         {
 140  1
             _registry.setupThread();
 141   
 
 142  1
             _actionRequestServicer.service(request, response);
 143   
         }
 144   
         catch (RuntimeException ex)
 145   
         {
 146  0
             throw new PortletException(PortletMessages.errorProcessingAction(ex), ex);
 147   
         }
 148   
         finally
 149   
         {
 150  1
             _registry.cleanupThread();
 151   
         }
 152   
     }
 153   
 
 154  1
     public void render(RenderRequest request, RenderResponse response) throws PortletException,
 155   
             IOException
 156   
     {
 157  1
         try
 158   
         {
 159  1
             _registry.setupThread();
 160   
 
 161  1
             _renderRequestServicer.service(request, response);
 162   
         }
 163   
         catch (RuntimeException ex)
 164   
         {
 165  0
             throw new PortletException(PortletMessages.errorProcessingRender(ex), ex);
 166   
         }
 167   
         finally
 168   
         {
 169  1
             _registry.cleanupThread();
 170   
         }
 171   
     }
 172   
 }