001    //  Copyright 2008, 2010 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.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.Link;
018    import org.apache.tapestry5.json.JSONObject;
019    import org.apache.tapestry5.services.Ajax;
020    import org.apache.tapestry5.services.ComponentEventResultProcessor;
021    
022    import java.io.IOException;
023    
024    /**
025     * Handles {@link org.apache.tapestry5.Link} result types by building a JSON response with key "redirectURL".
026     */
027    @SuppressWarnings("all")
028    public class AjaxLinkComponentEventResultProcessor implements ComponentEventResultProcessor<Link>
029    {
030        private final ComponentEventResultProcessor masterProcessor;
031    
032        public AjaxLinkComponentEventResultProcessor(@Ajax ComponentEventResultProcessor masterProcessor)
033        {
034            this.masterProcessor = masterProcessor;
035        }
036    
037        public void processResultValue(Link value) throws IOException
038        {
039            JSONObject response = new JSONObject();
040    
041            response.put("redirectURL", value.toRedirectURI());
042    
043            masterProcessor.processResultValue(response);
044        }
045    }