/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.

  */

 package org.seasar.teeda.core.util;

 import java.io.IOException;

 import javax.faces.context.ExternalContext;

 import javax.faces.context.FacesContext;

 import javax.faces.internal.scope.RedirectScope;

 import org.seasar.framework.util.AssertionUtil;

 import org.seasar.teeda.core.JsfConstants;

 /**

  * @author shinsuke

  * 

  */

 public class PortletErrorPageManagerImpl extends ServletErrorPageManagerImpl {

     /*

      * (non-Javadoc)

      * 

      * @see org.seasar.teeda.core.util.ServletErrorPageManagerImpl#handleException(java.lang.Throwable,

      *      javax.faces.context.FacesContext,

      *      javax.faces.context.ExternalContext)

      */

     public boolean handleException(Throwable exception, FacesContext context,

             ExternalContext extContext) throws IOException {

         if (PortletUtil.isPortlet(context)) {

             String location = getLocation(exception.getClass());

             if (location == null) {

                 return false;

             }

             storeErrorInfoToAttribute(extContext, exception);

             RedirectScope.setRedirectingPath(context, location);

             return true;

         } else {

             return super.handleException(exception, context, extContext);

         }

     }

     protected void storeErrorInfoToAttribute(ExternalContext extContext,

             Throwable exception) {

         AssertionUtil.assertNotNull("extContext", extContext);

         AssertionUtil.assertNotNull("exception", exception);

         extContext.getSessionMap().put(JsfConstants.ERROR_EXCEPTION, exception);

     }

 }