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From craig...@apache.org
Subject svn commit: r418443 - in /struts/shale/trunk/shale-core/src/main: java/org/apache/shale/view/faces/ViewActionListener.java resources/META-INF/faces-config.xml
Date Sat, 01 Jul 2006 06:03:42 GMT
Author: craigmcc
Date: Fri Jun 30 23:03:41 2006
New Revision: 418443

URL: http://svn.apache.org/viewvc?rev=418443&view=rev
Log:
Contribute to SHALE-125 (consistent exception handling strategy) by wrapping
the call to the user's action method in a common exception handler.

Added:
    struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
  (with props)
Modified:
    struts/shale/trunk/shale-core/src/main/resources/META-INF/faces-config.xml

Added: struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
URL: http://svn.apache.org/viewvc/struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java?rev=418443&view=auto
==============================================================================
--- struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
(added)
+++ struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
Fri Jun 30 23:03:41 2006
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2006 The Apache Software Foundation.
+ * 
+ * Licensed 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.
+ *
+ * $Id$
+ */
+
+package org.apache.shale.view.faces;
+
+import javax.faces.event.ActionEvent;
+import javax.faces.event.ActionListener;
+
+/**
+ * <p>Replacement for the default <code>ActionListener</code> implementation
+ * used during the <em>Invoke Application</em> phase of the request processing
+ * lifecycle.</p>
+ *
+ * @since 1.0.3
+ */
+public final class ViewActionListener implements ActionListener {
+ 
+
+    // ------------------------------------------------------------- Constructor
+
+
+    /**
+     * <p>Create a new action listener instance.</p>
+     *
+     * @param original The original action listener instance we are wrapping
+     */
+    public ViewActionListener(ActionListener original) {
+        this.original = original;
+    }
+    
+
+    // ------------------------------------------------------ Instance Variables
+
+
+    /**
+     * <p>The original <code>ActionListener</code> instance we are wrapping.</p>
+     */
+    private ActionListener original = null;
+
+
+    // -------------------------------------------------- ActionListener Methods
+
+
+    /**
+     * <p>Handle a default action event.</p>
+     *
+     * @param event The <code>ActionEvent</code> to be handled
+     */
+    public void processAction(ActionEvent event) {
+
+        // FIXME - this is probably not the final answer, but gives
+        // us a starting point to deal with application event handlers
+        // throwing exceptions in a way consistent with elsewhere
+        try {
+            original.processAction(event);
+        } catch (Exception e) {
+            handleException(e);
+        }
+
+    }
+
+
+    // --------------------------------------------------------- Private Methods
+
+
+    /**
+     * <p>Handle the specified exception according to the strategy
+     * defined by our current {@link ExceptionHandler}.</p>
+     *
+     * @param exception Exception to be handled
+     */
+    private void handleException(Exception exception) {
+
+        ExceptionHandlerFactory.getInstance().getExceptionHandler().
+                handleException(exception);
+
+    }
+
+
+}

Propchange: struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: struts/shale/trunk/shale-core/src/main/java/org/apache/shale/view/faces/ViewActionListener.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Modified: struts/shale/trunk/shale-core/src/main/resources/META-INF/faces-config.xml
URL: http://svn.apache.org/viewvc/struts/shale/trunk/shale-core/src/main/resources/META-INF/faces-config.xml?rev=418443&r1=418442&r2=418443&view=diff
==============================================================================
--- struts/shale/trunk/shale-core/src/main/resources/META-INF/faces-config.xml (original)
+++ struts/shale/trunk/shale-core/src/main/resources/META-INF/faces-config.xml Fri Jun 30
23:03:41 2006
@@ -34,6 +34,9 @@
 
   <!-- Custom JSF Application Objects -->
   <application>
+    <action-listener>
+      org.apache.shale.view.faces.ViewActionListener
+    </action-listener>
     <navigation-handler>
       org.apache.shale.dialog.faces.DialogNavigationHandler
     </navigation-handler>



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