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 java.util.Map; 018 019 import javax.portlet.PortletURL; 020 import javax.portlet.RenderResponse; 021 022 import org.apache.hivemind.util.Defense; 023 import org.apache.tapestry.IRequestCycle; 024 import org.apache.tapestry.engine.ILink; 025 import org.apache.tapestry.services.impl.LinkFactoryImpl; 026 import org.apache.tapestry.util.QueryParameterMap; 027 028 /** 029 * Extended version of {@link org.apache.tapestry.services.impl.LinkFactoryImpl} that can 030 * create generate Portlet URLs. 031 * 032 * @author Howard M. Lewis Ship 033 * @since 4.0 034 */ 035 public class PortletLinkFactoryImpl extends LinkFactoryImpl 036 { 037 private RenderResponse _renderResponse; 038 039 public void setRenderResponse(RenderResponse renderResponse) 040 { 041 _renderResponse = renderResponse; 042 } 043 044 public ILink constructLink(IRequestCycle cycle, boolean post, Map parameters, boolean stateful) 045 { 046 Defense.notNull(cycle, "cycle"); 047 Defense.notNull(parameters, "parameters"); 048 049 squeezeServiceParameters(parameters); 050 051 PortletURL url = _renderResponse.createActionURL(); 052 053 return new PortletLink(cycle, url, new QueryParameterMap(parameters), stateful); 054 } 055 }