svn commit: r881431 - /incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java

[ge...@apache.org]

Author: gerdogdu
Date: Tue Nov 17 18:20:12 2009
New Revision: 881431

URL: http://svn.apache.org/viewvc?rev=881431&view=rev
Log:
Adding JSF based view handler for JSF 2.0 conversation propogation. Thanks to Sven Linstaedt for patching.

Added:
    incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java   (with props)

Added: incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java
URL: http://svn.apache.org/viewvc/incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java?rev=881431&view=auto
==============================================================================
--- incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java (added)
+++ incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java Tue Nov 17 18:20:12 2009
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to You under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
+ * or agreed to in writing, software distributed under the License is
+ * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+package org.apache.webbeans.jsf;
+
+import java.util.Set;
+
+import javax.enterprise.context.Conversation;
+import javax.enterprise.context.spi.CreationalContext;
+import javax.enterprise.inject.Default;
+import javax.enterprise.inject.spi.Bean;
+import javax.enterprise.inject.spi.BeanManager;
+import javax.enterprise.util.AnnotationLiteral;
+import javax.faces.application.ViewHandler;
+import javax.faces.application.ViewHandlerWrapper;
+import javax.faces.context.FacesContext;
+
+import org.apache.webbeans.container.BeanManagerImpl;
+import org.apache.webbeans.util.JSFUtil;
+
+public class ConversationAwareViewHandler extends ViewHandlerWrapper
+{
+    private final ViewHandler delegate;
+
+    public ConversationAwareViewHandler(ViewHandler delegate)
+    {
+        this.delegate = delegate;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String getActionURL(FacesContext context, String viewId)
+    {
+        String url = delegate.getActionURL(context, viewId);
+
+        Conversation conversation = lookupConversation();
+        if (conversation != null && !conversation.isTransient())
+        {
+            url = JSFUtil.getRedirectViewIdWithCid(url, conversation.getId());
+        }
+
+        return url;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public ViewHandler getWrapped()
+    {
+        return delegate;
+    }
+
+    private Conversation lookupConversation()
+    {
+        BeanManager beanManager = BeanManagerImpl.getManager();
+        if (beanManager == null)
+        {
+            return null;
+        }
+
+        Set<Bean<?>> beans = beanManager.getBeans(Conversation.class, new AnnotationLiteral<Default>() {});
+        if (beans.isEmpty())
+        {
+            return null;
+        }
+
+        @SuppressWarnings("unchecked")
+        Bean<Conversation> conversationBean = (Bean<Conversation>) beans.iterator().next();
+        CreationalContext<Conversation> creationalContext = beanManager.createCreationalContext(conversationBean);
+        Conversation conversation =
+            (Conversation) beanManager.getReference(conversationBean, Conversation.class, creationalContext);
+
+        return conversation;
+    }
+}

Propchange: incubator/openwebbeans/trunk/webbeans-jsf/src/main/java/org/apache/webbeans/jsf/ConversationAwareViewHandler.java
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