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.hivemind.ApplicationRuntimeException;
021    import org.apache.tapestry.IRequestCycle;
022    import org.apache.tapestry.StaleSessionException;
023    import org.apache.tapestry.error.RequestExceptionReporter;
024    import org.apache.tapestry.error.StaleSessionExceptionPresenter;
025    import org.apache.tapestry.services.ServiceConstants;
026    
027    /**
028     * @author Howard M. Lewis Ship
029     * @since 4.0
030     */
031    public class PortletStaleSessionExceptionPresenter implements StaleSessionExceptionPresenter
032    {
033        private PortletRequestGlobals _globals;
034    
035        public void presentStaleSessionException(IRequestCycle cycle, StaleSessionException cause)
036        {
037            String markup = PortletMessages.staleSession();
038    
039            ActionRequest request = _globals.getActionRequest();
040    
041            request.getPortletSession(true).setAttribute(
042                    PortletConstants.PORTLET_EXCEPTION_MARKUP_ATTRIBUTE,
043                    markup);
044    
045            ActionResponse response = _globals.getActionResponse();
046    
047            response.setRenderParameter(ServiceConstants.SERVICE, PortletConstants.EXCEPTION_SERVICE);
048        }
049    
050        public void setGlobals(PortletRequestGlobals globals)
051        {
052            _globals = globals;
053        }
054    }