| /* |
| * 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.wrapper.WeblogEntryWrapper; |
| import org.apache.roller.weblogger.ui.rendering.pagers.WeblogEntriesLatestPager; |
| import org.apache.roller.weblogger.ui.rendering.pagers.WeblogEntriesPager; |
| import org.apache.roller.weblogger.ui.rendering.pagers.WeblogEntriesPreviewPager; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogPreviewRequest; |
| import org.apache.roller.weblogger.ui.rendering.util.WeblogRequest; |
| |
| |
| /** |
| * An extension of the PageModel to make some adjustments for previewing. |
| */ |
| public class PreviewPageModel extends PageModel { |
| |
| private WeblogPreviewRequest previewRequest = null; |
| private URLStrategy urlStrategy = null; |
| |
| |
| /** |
| * Init model. |
| */ |
| public void init(Map initData) throws WebloggerException { |
| |
| // we expect the init data to contain a weblogRequest object |
| WeblogRequest weblogRequest = (WeblogRequest) initData.get("parsedRequest"); |
| if(weblogRequest == null) { |
| throw new WebloggerException("expected weblogRequest from init data"); |
| } |
| |
| // PreviewPageModel only works on preview requests, so cast weblogRequest |
| // into a WeblogPreviewRequest and if it fails then throw exception |
| if(weblogRequest instanceof WeblogPreviewRequest) { |
| this.previewRequest = (WeblogPreviewRequest) weblogRequest; |
| } else { |
| throw new WebloggerException("weblogRequest is not a WeblogPreviewRequest."+ |
| " PreviewPageModel only supports preview requests."); |
| } |
| |
| // look for url strategy |
| urlStrategy = (URLStrategy) initData.get("urlStrategy"); |
| if(urlStrategy == null) { |
| urlStrategy = WebloggerFactory.getWeblogger().getUrlStrategy(); |
| } |
| |
| super.init(initData); |
| } |
| |
| |
| public boolean isPermalink() { |
| return (previewRequest.getPreviewEntry() != null || |
| previewRequest.getWeblogAnchor() != null); |
| } |
| |
| |
| public WeblogEntryWrapper getWeblogEntry() { |
| |
| if(previewRequest.getPreviewEntry() != null || |
| previewRequest.getWeblogAnchor() != null) { |
| return WeblogEntryWrapper.wrap(previewRequest.getWeblogEntry(), urlStrategy); |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Override method that returns pager so that we can introduce a custom |
| * pager for preview pages which can display things that we don't want |
| * available on the "live" weblog, like DRAFT entries. |
| */ |
| public WeblogEntriesPager getWeblogEntriesPager(String catArgument) { |
| |
| String anchor = previewRequest.getPreviewEntry(); |
| if(anchor == null) { |
| anchor = previewRequest.getWeblogAnchor(); |
| } |
| |
| if (anchor != null) { |
| return new WeblogEntriesPreviewPager( |
| urlStrategy, |
| previewRequest.getWeblog(), |
| previewRequest.getLocale(), |
| previewRequest.getWeblogPageName(), |
| anchor, |
| previewRequest.getWeblogDate(), |
| null, |
| previewRequest.getTags(), |
| previewRequest.getPageNum()); |
| } else { |
| return new WeblogEntriesLatestPager( |
| urlStrategy, |
| previewRequest.getWeblog(), |
| previewRequest.getLocale(), |
| previewRequest.getWeblogPageName(), |
| previewRequest.getWeblogAnchor(), |
| previewRequest.getWeblogDate(), |
| null, |
| previewRequest.getTags(), |
| previewRequest.getPageNum()); |
| } |
| |
| } |
| |
| } |