| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. The ASF licenses this file to You |
| * under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. For additional information regarding |
| * copyright in this work, please see the NOTICE file in the top level |
| * directory of this distribution. |
| */ |
| |
| package org.apache.roller.weblogger.ui.rendering.model; |
| |
| import java.util.Map; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.URLStrategy; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.pojos.Weblog; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogPreviewRequest; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogRequest; |
| |
| /** |
| * Special subclass of URLModel which can change some of the urls which are |
| * generated to make them work for previewing mode. |
| */ |
| public class PreviewURLModel extends URLModel { |
| |
| private Weblog weblog = null; |
| |
| private URLStrategy urlStrategy = null; |
| |
| |
| @Override |
| public void init(Map initData) throws WebloggerException { |
| |
| // need a weblog request so that we can know the weblog and locale |
| WeblogRequest weblogRequest = (WeblogRequest) initData.get("parsedRequest"); |
| if(weblogRequest == null) { |
| throw new WebloggerException("Expected 'weblogRequest' init param!"); |
| } |
| |
| // PreviewURLModel only works on preview requests, so cast weblogRequest |
| // into a WeblogPreviewRequest and if it fails then throw exception |
| if(!(weblogRequest instanceof WeblogPreviewRequest)) { |
| throw new WebloggerException("weblogRequest is not a WeblogPreviewRequest."+ |
| " PreviewURLModel only supports preview requests."); |
| } |
| |
| this.weblog = weblogRequest.getWeblog(); |
| this.locale = weblogRequest.getLocale(); |
| |
| // look for url strategy |
| urlStrategy = (URLStrategy) initData.get("urlStrategy"); |
| if(urlStrategy == null) { |
| urlStrategy = WebloggerFactory.getWeblogger().getUrlStrategy(); |
| } |
| |
| super.init(initData); |
| } |
| |
| |
| /** |
| * We need resource urls to point to our custom PreviewResourceServlet |
| * because when previewing a theme the ResourceServlet has no way of |
| * knowing what theme you are previewing and thus couldn't find the |
| * resources for that theme. |
| */ |
| @Override |
| public String resource(String filePath) { |
| return urlStrategy.getWeblogResourceURL(weblog, filePath, true); |
| } |
| |
| } |