001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.portlet;
016    
017    import javax.portlet.ActionRequest;
018    import javax.portlet.ActionResponse;
019    
020    import org.apache.tapestry.IRequestCycle;
021    import org.apache.tapestry.StaleSessionException;
022    import org.apache.tapestry.error.StaleSessionExceptionPresenter;
023    import org.apache.tapestry.services.ServiceConstants;
024    
025    /**
026     * @author Howard M. Lewis Ship
027     * @since 4.0
028     */
029    public class PortletStaleSessionExceptionPresenter implements StaleSessionExceptionPresenter
030    {
031        private PortletRequestGlobals _globals;
032    
033        public void presentStaleSessionException(IRequestCycle cycle, StaleSessionException cause)
034        {
035            String markup = PortletMessages.staleSession();
036    
037            ActionRequest request = _globals.getActionRequest();
038    
039            request.getPortletSession(true).setAttribute(
040                    PortletConstants.PORTLET_EXCEPTION_MARKUP_ATTRIBUTE,
041                    markup);
042    
043            ActionResponse response = _globals.getActionResponse();
044    
045            response.setRenderParameter(ServiceConstants.SERVICE, PortletConstants.EXCEPTION_SERVICE);
046        }
047    
048        public void setGlobals(PortletRequestGlobals globals)
049        {
050            _globals = globals;
051        }
052    }