    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    }