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
015package org.apache.tapestry.portlet;
016
017import javax.portlet.ActionRequest;
018import javax.portlet.ActionResponse;
019
020import org.apache.tapestry.IRequestCycle;
021import org.apache.tapestry.StaleSessionException;
022import org.apache.tapestry.error.StaleSessionExceptionPresenter;
023import org.apache.tapestry.services.ServiceConstants;
024
025/**
026 * @author Howard M. Lewis Ship
027 * @since 4.0
028 */
029public 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}