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.ActionResponse; 018import javax.portlet.PortletRequest; 019 020import org.apache.tapestry.IRequestCycle; 021import org.apache.tapestry.services.ResponseRenderer; 022import org.apache.tapestry.services.ServiceConstants; 023 024/** 025 * Sets render parameters on the current {@link javax.portlet.ActionResponse} that will invoke the 026 * {@link org.apache.tapestry.portlet.RenderService} to render the (currently) active page. This 027 * reflects the Portlet API's very clear division between processing an action and rendering a 028 * response; we need to record into the implicit render URL the render service and the name of the 029 * active page. 030 * 031 * @author Howard M. Lewis Ship 032 * @since 4.0 033 */ 034public class PortletResponseRenderer implements ResponseRenderer 035{ 036 private PortletRequest _request; 037 038 private ActionResponse _response; 039 040 public void renderResponse(IRequestCycle cycle) 041 { 042 String pageName = cycle.getPage().getPageName(); 043 044 _response.setRenderParameter(ServiceConstants.SERVICE, PortletConstants.RENDER_SERVICE); 045 _response.setRenderParameter(ServiceConstants.PAGE, pageName); 046 _response.setRenderParameter(PortletConstants.PORTLET_MODE, _request.getPortletMode() 047 .toString()); 048 _response.setRenderParameter(PortletConstants.WINDOW_STATE, _request.getWindowState() 049 .toString()); 050 } 051 052 public void setResponse(ActionResponse response) 053 { 054 _response = response; 055 } 056 057 public void setRequest(PortletRequest request) 058 { 059 _request = request; 060 } 061}