/**
    * This file Copyright (c) 2003-2011 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.storeclient.pages;
  
  import info.magnolia.module.ModuleRegistry;
  import info.magnolia.module.admininterface.TemplatedMVCHandler;
  import info.magnolia.module.model.ModuleDefinition;
  import info.magnolia.module.storeclient.MagnoliaStoreModule;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import net.sf.json.JSONArray;
  import net.sf.json.JSONObject;
  
  import org.apache.taglibs.standard.functions.Functions;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * Lists all installed modules, both installed and not.
   * @author dschivo
   */
  public class AllModulesListPage extends TemplatedMVCHandler {
      private static final Logger log = LoggerFactory.getLogger(AllModulesListPage.class);
  
      private String remoteUrl;
  
      private String postdata;
  
      public AllModulesListPage(String name, HttpServletRequest request, HttpServletResponse response) {
          super(name, request, response);
      }
  
      public String getRemoteUrl() {
          return remoteUrl;
      }
  
      public String getPostdata() {
          return postdata;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String show() {
          MagnoliaStoreModule magnoliaStore = (MagnoliaStoreModule) ModuleRegistry.Factory.getInstance().getModuleInstance("store-client");
          remoteUrl = magnoliaStore.getAllModulesListURL();
          JSONArray installedModules = new JSONArray();
          ModuleRegistry registry = ModuleRegistry.Factory.getInstance();
          List<String> moduleNames = new ArrayList<String>(registry.getModuleNames());
          Collections.sort(moduleNames);
          for (String name : moduleNames) {
              ModuleDefinition def = registry.getDefinition(name);
              if (def != null) {
                  JSONObject module = new JSONObject();
                  module.element("name", def.getName());
                  module.element("version", def.getVersion().toString());
                  installedModules.element(module);
              }
          }
          JSONObject json = new JSONObject();
         json.element("installedModules", installedModules);
         postdata = Functions.escapeXml(json.toString());
         return super.show();
     }
 }