    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    }