001//  Copyright 2008, 2010, 2012 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.tapestry5.internal.services;
016
017import org.apache.tapestry5.Link;
018import org.apache.tapestry5.internal.InternalConstants;
019import org.apache.tapestry5.json.JSONObject;
020import org.apache.tapestry5.services.Ajax;
021import org.apache.tapestry5.services.ComponentEventResultProcessor;
022
023import java.io.IOException;
024
025/**
026 * Handles {@link org.apache.tapestry5.Link} result types by building a JSON response with key "redirectURL".
027 */
028@SuppressWarnings("all")
029public class AjaxLinkComponentEventResultProcessor implements ComponentEventResultProcessor<Link>
030{
031    private final ComponentEventResultProcessor masterProcessor;
032
033    public AjaxLinkComponentEventResultProcessor(@Ajax ComponentEventResultProcessor masterProcessor)
034    {
035        this.masterProcessor = masterProcessor;
036    }
037
038    public void processResultValue(Link value) throws IOException
039    {
040        JSONObject response = new JSONObject();
041
042        response.in(InternalConstants.PARTIAL_KEY).put("redirectURL", value.toRedirectURI());
043
044        masterProcessor.processResultValue(response);
045    }
046}