| /* |
| * 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.util; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.themes.ThemeNotFoundException; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.themes.ThemeManager; |
| import org.apache.roller.weblogger.business.WeblogEntryManager; |
| import org.apache.roller.weblogger.pojos.Theme; |
| import org.apache.roller.weblogger.pojos.WeblogEntry; |
| import org.apache.roller.weblogger.util.URLUtilities; |
| |
| |
| /** |
| * Represents a request for a weblog preview. |
| */ |
| public class WeblogPreviewRequest extends WeblogPageRequest { |
| |
| private static Log log = LogFactory.getLog(WeblogPreviewRequest.class); |
| |
| private static final String PREVIEW_SERVLET = "/roller-ui/authoring/preview"; |
| |
| // lightweight attributes |
| private String themeName = null; |
| private String previewEntry = null; |
| private String type = "standard"; |
| |
| // heavyweight attributes |
| private Theme theme = null; |
| private WeblogEntry weblogEntry = null; |
| |
| public WeblogPreviewRequest(HttpServletRequest request) |
| throws InvalidRequestException { |
| |
| // let parent go first |
| super(request); |
| |
| // we may have a specific theme to preview |
| if(request.getParameter("theme") != null) { |
| this.themeName = request.getParameter("theme"); |
| } |
| |
| //we may need to know the type of page we are going to preview |
| if(request.getParameter("type") != null) { |
| this.setType(request.getParameter("type")); |
| } |
| |
| // we may also have a specific entry to preview |
| if(request.getParameter("previewEntry") != null) { |
| this.previewEntry = URLUtilities.decode(request.getParameter("previewEntry")); |
| } |
| |
| if(log.isDebugEnabled()) { |
| log.debug("theme = "+this.themeName); |
| } |
| } |
| |
| |
| @Override |
| boolean isValidDestination(String servlet) { |
| return (servlet != null && PREVIEW_SERVLET.equals(servlet)); |
| } |
| |
| |
| public String getThemeName() { |
| return themeName; |
| } |
| |
| public void setThemeName(String theme) { |
| this.themeName = theme; |
| } |
| |
| // override so that previews never show login status |
| @Override |
| public String getAuthenticUser() { |
| return null; |
| } |
| |
| // override so that previews never show login status |
| @Override |
| public boolean isLoggedIn() { |
| return false; |
| } |
| |
| public Theme getTheme() { |
| |
| if(theme == null && themeName != null) { |
| try { |
| ThemeManager themeMgr = WebloggerFactory.getWeblogger().getThemeManager(); |
| theme = themeMgr.getTheme(themeName); |
| } catch(ThemeNotFoundException tnfe) { |
| // bogus theme specified ... don't worry about it |
| } catch(WebloggerException re) { |
| log.error("Error looking up theme "+themeName, re); |
| } |
| } |
| |
| return theme; |
| } |
| |
| public void setTheme(Theme theme) { |
| this.theme = theme; |
| } |
| |
| public String getPreviewEntry() { |
| return previewEntry; |
| } |
| |
| public void setPreviewEntry(String previewEntry) { |
| this.previewEntry = previewEntry; |
| } |
| |
| // if we have a preview entry we would prefer to return that |
| @Override |
| public WeblogEntry getWeblogEntry() { |
| |
| if(weblogEntry == null && |
| (previewEntry != null || super.getWeblogAnchor() != null)) { |
| |
| String anchor = previewEntry; |
| if(previewEntry == null) { |
| anchor = super.getWeblogAnchor(); |
| } |
| |
| try { |
| WeblogEntryManager wmgr = WebloggerFactory.getWeblogger().getWeblogEntryManager(); |
| weblogEntry = wmgr.getWeblogEntryByAnchor(getWeblog(), anchor); |
| } catch (WebloggerException ex) { |
| log.error("Error getting weblog entry "+anchor, ex); |
| } |
| } |
| |
| return weblogEntry; |
| } |
| |
| @Override |
| public void setWeblogEntry(WeblogEntry weblogEntry) { |
| this.weblogEntry = weblogEntry; |
| } |
| |
| public String getType() { |
| return type; |
| } |
| |
| public void setType(String type) { |
| this.type = type; |
| } |
| } |