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.tapestry.engine.IEngineService;
023    import org.apache.tapestry.engine.ILink;
024    import org.apache.tapestry.services.impl.LinkFactoryImpl;
025    import org.apache.tapestry.util.QueryParameterMap;
026    
027    /**
028     * Extended version of {@link org.apache.tapestry.services.impl.LinkFactoryImpl} that
029     * can create generate Portlet URLs.
030     * 
031     * @author Howard M. Lewis Ship
032     * @since 4.0
033     */
034    public class PortletLinkFactoryImpl extends LinkFactoryImpl
035    {
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,
045                Map parameters, boolean stateful)
046        {
047            finalizeParameters(service, parameters);
048    
049            PortletURL url = _renderResponse.createActionURL();
050    
051            return new PortletLink(url, new QueryParameterMap(parameters));
052        }
053    }