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    
015    package org.apache.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.Link;
018    import org.apache.tapestry5.services.Ajax;
019    import org.apache.tapestry5.services.ComponentEventResultProcessor;
020    
021    import 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")
030    public 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    }