001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.core.request.handler;
018
019import org.apache.wicket.core.request.handler.logger.PageLogData;
020import org.apache.wicket.request.ILoggableRequestHandler;
021import org.apache.wicket.request.IRequestCycle;
022import org.apache.wicket.request.component.IRequestablePage;
023import org.apache.wicket.request.mapper.parameter.PageParameters;
024import org.apache.wicket.util.lang.Args;
025
026/**
027 * Request handler for bookmarkable pages. This handler is only used to generate URLs. Rendering is
028 * always handled by {@link RenderPageRequestHandler}.
029 *
030 * @author Matej Knopp
031 */
032public class BookmarkablePageRequestHandler
033        implements
034                IPageClassRequestHandler,
035                ILoggableRequestHandler
036{
037        private final IPageProvider pageProvider;
038
039        private PageLogData logData;
040
041        /**
042         * Construct.
043         *
044         * @param pageProvider
045         */
046        public BookmarkablePageRequestHandler(IPageProvider pageProvider)
047        {
048
049                Args.notNull(pageProvider, "pageProvider");
050
051                this.pageProvider = pageProvider;
052        }
053
054        @Override
055        public Class<? extends IRequestablePage> getPageClass()
056        {
057                return pageProvider.getPageClass();
058        }
059
060        @Override
061        public PageParameters getPageParameters()
062        {
063                return pageProvider.getPageParameters();
064        }
065
066        @Override
067        public void respond(IRequestCycle requestCycle)
068        {
069                // not used as BookmarkablePageRequestHandler is only used when generating URLs.
070                // However URL will never be resolved to BookmarkablePageRequestHandler
071        }
072
073        @Override
074        public void detach(IRequestCycle requestCycle)
075        {
076                if (logData == null)
077                        logData = new PageLogData(pageProvider);
078        }
079
080        @Override
081        public PageLogData getLogData()
082        {
083                return logData;
084        }
085
086        @Override
087        public String toString()
088        {
089                return "BookmarkablePageRequestHandler{" +
090                                "pageProvider=" + pageProvider +
091                                '}';
092        }
093}