Java tutorial
/** * openkm, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2013 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.ikon.servlet.admin; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import java.util.NavigableMap; import java.util.TreeMap; import javax.jcr.LoginException; import javax.jcr.Session; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.io.IOUtils; import org.apache.jackrabbit.core.nodetype.InvalidNodeTypeDefException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.ikon.api.OKMPropertyGroup; import com.ikon.bean.PropertyGroup; import com.ikon.bean.form.FormElement; import com.ikon.core.Config; import com.ikon.core.DatabaseException; import com.ikon.core.ParseException; import com.ikon.core.RepositoryException; import com.ikon.module.db.DbRepositoryModule; import com.ikon.module.jcr.JcrRepositoryModule; import com.ikon.util.XMLUtils; import com.ikon.util.FormUtils; import com.ikon.util.UserActivity; import com.ikon.util.WebUtils; /** * Property groups servlet * * @author Paco Avila */ public class PropertyGroupsServlet extends BaseServlet { private static final long serialVersionUID = 1L; private static Logger log = LoggerFactory.getLogger(PropertyGroupsServlet.class); private static final File PROPERTY_GROUPS_XML = new File(Config.HOME_DIR + "/" + "PropertyGroups.xml"); @Override public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { String method = request.getMethod(); if (isAdmin(request)) { if (method.equals(METHOD_GET)) { doGet(request, response); } else if (method.equals(METHOD_POST)) { doPost(request, response); } } } @Override public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { log.debug("doGet({}, {})", request, response); request.setCharacterEncoding("UTF-8"); String action = WebUtils.getString(request, "action"); Session session = null; updateSessionManager(request); try { if (!action.equals(null)) { writeToPropertyGroupsXML(request, response); register(session, request, response); } list(request, response); } catch (RepositoryException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (ParseException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (DatabaseException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Override public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { log.debug("doGet({}, {})", request, response); request.setCharacterEncoding("UTF-8"); String action = WebUtils.getString(request, "action"); String pgLabel = WebUtils.getString(request, "label"); String label = WebUtils.getString(request, "value"); Session session = null; updateSessionManager(request); try { // session = JCRUtils.getSession(); if (action.equals("validatepgName")) { validatePropertyGroupName(label, request, response); } else if (action.equals("register")) { register(session, request, response); } else if (action.equals("edit")) { edit(pgLabel, request, response); } else if (action.equals("delete")) { XMLUtils xmlUtils = new XMLUtils(PROPERTY_GROUPS_XML); xmlUtils.deletePropertyGroup(pgLabel); list(request, response); } if (action.equals("") || action.equals("register")) { list(request, response); } } catch (LoginException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (RepositoryException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (DatabaseException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (javax.jcr.RepositoryException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (ParseException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (org.apache.jackrabbit.core.nodetype.compact.ParseException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (InvalidNodeTypeDefException e) { log.error(e.getMessage(), e); sendErrorRedirect(request, response, e); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { // JCRUtils.logout(session); } } /** * Puts the parameterMap into the NavigableMap. The map is polled first twice to save action and label. Then the resulting * array values is saved as a linkedHashMap to save order. * @param request * @param response * @throws Exception */ private void writeToPropertyGroupsXML(HttpServletRequest request, HttpServletResponse response) throws Exception { //get values from form and sort it using navigableSet NavigableMap<String, String[]> propertyGroupMap = new TreeMap<String, String[]>(request.getParameterMap()); String action = propertyGroupMap.pollFirstEntry().getValue()[0]; String propertyGroupLabel = propertyGroupMap.pollFirstEntry().getValue()[0]; Map<String, String> propertyMap = new LinkedHashMap<String, String>(); for (String[] values : propertyGroupMap.values()) { propertyMap.put(values[0], values[1]); } XMLUtils xmlUtils = new XMLUtils(PROPERTY_GROUPS_XML); if (action.equals("register")) { xmlUtils.addPropertyGroup(propertyGroupLabel, propertyMap); } else if (action.equals("edit")) { xmlUtils.editPropertyGroup(propertyGroupLabel, propertyMap); } } /** * Register property group */ private void register(Session session, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, ParseException, org.apache.jackrabbit.core.nodetype.compact.ParseException, javax.jcr.RepositoryException, InvalidNodeTypeDefException, DatabaseException { log.debug("register({}, {}, {})", new Object[] { session, request, response }); // If it is ok, register it FileInputStream fis = null; try { if (Config.REPOSITORY_NATIVE) { DbRepositoryModule.registerPropertyGroups(Config.PROPERTY_GROUPS_XML); } else if (session != null) { // Check xml property groups definition FormUtils.resetPropertyGroupsForms(); FormUtils.parsePropertyGroupsForms(Config.PROPERTY_GROUPS_XML); fis = new FileInputStream(Config.PROPERTY_GROUPS_CND); JcrRepositoryModule.registerCustomNodeTypes(session, fis); } } finally { IOUtils.closeQuietly(fis); } // Activity log UserActivity.log(request.getRemoteUser(), "ADMIN_PROPERTY_GROUP_REGISTER", null, null, Config.PROPERTY_GROUPS_CND); log.debug("register: void"); } /** * List property groups * @throws Exception */ private void list(HttpServletRequest request, HttpServletResponse response) throws Exception { log.debug("list({}, {})", new Object[] { request, response }); ServletContext sc = getServletContext(); XMLUtils utils = new XMLUtils(PROPERTY_GROUPS_XML); if (utils.isPGXMLEmpty()) { sc.getRequestDispatcher("/admin/property_group_register.jsp").forward(request, response); } else { FormUtils.resetPropertyGroupsForms(); OKMPropertyGroup okmPropGroups = OKMPropertyGroup.getInstance(); List<PropertyGroup> groups = okmPropGroups.getAllGroups(null); Map<PropertyGroup, List<Map<String, String>>> pGroups = new LinkedHashMap<PropertyGroup, List<Map<String, String>>>(); for (PropertyGroup group : groups) { List<FormElement> mData = okmPropGroups.getPropertyGroupForm(null, group.getName()); List<Map<String, String>> fMaps = new ArrayList<Map<String, String>>(); for (FormElement fe : mData) { fMaps.add(FormUtils.toString(fe)); } pGroups.put(group, fMaps); } sc.setAttribute("pGroups", pGroups); sc.getRequestDispatcher("/admin/property_groups_list.jsp").forward(request, response); // Activity log UserActivity.log(request.getRemoteUser(), "ADMIN_PROPERTY_GROUP_LIST", null, null, null); } log.debug("list: void"); } /** * Edit property groups * @throws RepositoryException * @throws ParseException */ private void edit(String pgLabel, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, DatabaseException, ParseException, RepositoryException { log.debug("edit({}, {})", new Object[] { request, response }); String pgName = "okg:" + pgLabel.toLowerCase().replace(" ", ""); List<FormElement> mData = OKMPropertyGroup.getInstance().getPropertyGroupForm(null, pgName); List<Map<String, String>> propertyMap = new ArrayList<Map<String, String>>(); for (FormElement fe : mData) { propertyMap.add(FormUtils.toString(fe)); } ServletContext sc = getServletContext(); sc.setAttribute("propertyMap", propertyMap); sc.setAttribute("pgLabel", pgLabel); request.getRequestDispatcher("/admin/property_groups_edit.jsp").forward(request, response); log.debug("edit: void"); } private void validatePropertyGroupName(String pgLabel, HttpServletRequest request, HttpServletResponse response) throws IOException, ParseException, RepositoryException, DatabaseException { PrintWriter out = response.getWriter(); response.setContentType("text/json"); boolean isExists = false; String pgName = "okg:" + pgLabel.toLowerCase().replace(" ", ""); List<PropertyGroup> list = OKMPropertyGroup.getInstance().getAllGroups(null); for (PropertyGroup group : list) { if (group.getName().equals(pgName)) { isExists = true; break; } } if (!isExists) { out.print("{ \"success\": true }"); } else { out.print("{ \"success\": false, \"message\": \"Property Group Name is already taken.\" }"); } out.flush(); out.close(); } }