001// Copyright 2008, 2009 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.services.Ajax;
019import org.apache.tapestry5.services.ComponentEventResultProcessor;
020
021import java.io.IOException;
022
023/**
024 * A {@link org.apache.tapestry5.services.ComponentEventResultProcessor}, used for Ajax requests, for a String value
025 * that is interpreted as a logical page name.
026 * 
027 * @see org.apache.tapestry5.internal.services.PageNameComponentEventResultProcessor
028 */
029@SuppressWarnings("all")
030public class AjaxPageNameComponentEventResultProcessor implements ComponentEventResultProcessor<String>
031{
032    private final ComponentEventResultProcessor masterProcessor;
033
034    private final LinkSource linkSource;
035
036    public AjaxPageNameComponentEventResultProcessor(@Ajax
037    ComponentEventResultProcessor masterProcessor, LinkSource linkSource)
038    {
039        this.masterProcessor = masterProcessor;
040        this.linkSource = linkSource;
041    }
042
043    /**
044     * Obtains a page render {@link org.apache.tapestry5.Link} for the named, then builds a JSON response for the
045     * client.
046     * 
047     * @param value
048     *            page name
049     * @throws IOException
050     */
051    public void processResultValue(String value) throws IOException
052    {
053        Link link = linkSource.createPageRenderLink(value, false);
054
055        masterProcessor.processResultValue(link);
056    }
057}