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 java.util.Map;
018
019import javax.portlet.PortletURL;
020import javax.portlet.RenderResponse;
021
022import org.apache.tapestry.IRequestCycle;
023import org.apache.tapestry.engine.IEngineService;
024import org.apache.tapestry.engine.ILink;
025import org.apache.tapestry.services.impl.LinkFactoryImpl;
026import 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 */
035public 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(IEngineService service, boolean post, Map parameters,
045            boolean stateful)
046    {
047        finalizeParameters(service, parameters);
048
049        PortletURL url = _renderResponse.createActionURL();
050
051        return new PortletLink(url, new QueryParameterMap(parameters));
052    }
053}