| /* |
| * 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.struts2.ajax; |
| |
| import org.apache.roller.weblogger.WebloggerException; |
| import org.apache.roller.weblogger.business.WebloggerFactory; |
| import org.apache.roller.weblogger.business.themes.SharedTheme; |
| import org.apache.roller.weblogger.business.themes.ThemeManager; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| /** |
| * Return theme information (id, name, description, relative path to thumbnail) |
| * in JSON format. Usage: |
| * <ul> |
| * <li>/authoring/themedata - get array of all shared theme data</li> |
| * <li>/authoring/themedata?theme=xxx - get data for specific theme</li> |
| * </ul> |
| */ |
| public class ThemeDataServlet extends HttpServlet { |
| |
| @Override |
| protected void doPost( |
| HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| doGet(request, response); |
| } |
| |
| @Override |
| public void doGet( |
| HttpServletRequest request, HttpServletResponse response) |
| throws ServletException, IOException { |
| |
| List<SharedTheme> themes; |
| String themeId; |
| |
| themeId = request.getParameter("theme"); |
| |
| ThemeManager themeMgr = WebloggerFactory.getWeblogger().getThemeManager(); |
| if (themeId == null) { |
| themes = themeMgr.getEnabledThemesList(); |
| } else { |
| themes = new ArrayList<SharedTheme>(1); |
| try { |
| SharedTheme theme = themeMgr.getTheme(themeId); |
| themes.add(theme); |
| } catch (WebloggerException e) { |
| response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "ERROR fetching theme data"); |
| return; |
| } |
| } |
| |
| response.setContentType("application/json; charset=utf-8"); |
| PrintWriter pw = response.getWriter(); |
| if (themeId == null) { |
| pw.println("[" ); |
| } |
| for (Iterator it = themes.iterator(); it.hasNext();) { |
| SharedTheme theme = (SharedTheme) it.next(); |
| pw.print(" { \"id\" : \""); |
| pw.print(theme.getId()); |
| pw.print("\", "); |
| pw.print("\"name\" : \""); |
| pw.print(theme.getName()); |
| pw.print("\", "); |
| pw.print("\"description\" : \""); |
| pw.print(theme.getDescription()); |
| pw.print("\", "); |
| pw.print("\"previewPath\" : \""); |
| pw.print("/themes" + "/" + theme.getId() + "/" + theme.getPreviewImage().getPath()); |
| pw.print("\" }"); |
| if (it.hasNext()) { |
| pw.println(", "); |
| } |
| } |
| if (themeId == null) { |
| pw.println("]" ); |
| } |
| response.flushBuffer(); |
| } |
| } |