DeleteItemUtil


1   /* License: GNU General Public License (GPL) version 2 from June 1991; but not any newer version!
2    */
3   package org.contineo.documan;
4   
5   import java.util.Collection  ;
6   import java.util.Iterator  ;
7   
8   import org.contineo.admin.Menu;
9   import org.contineo.admin.dao.MenuDAO;
10  import org.contineo.admin.dao.UserDocDAO;
11  import org.contineo.core.config.SettingConfigurator;
12  import org.contineo.core.doxter.Storer;
13  import org.contineo.documan.dao.DocumentDAO;
14  import org.contineo.documan.dao.TermDAO;
15  import org.contineo.searchengine.crawler.Indexer;
16  import org.contineo.searchengine.dao.SearchDocumentDAO;
17  
18  /**
19   * utility class for deleting menus
20   * @author Sebastian Stein
21   */
22  public class DeleteItemUtil {
23      /**
24       * deletes the given menu and all sub-menus; does not perform an access check
25       * @param menuId menu to be deleted; can be a folder, menu or document
26       * @param userName the user requesting the delete action
27       */
28      public static boolean deleteMenu(int menuId, String   userName) {
29          MenuDAO mdao = new MenuDAO();
30          Menu menu = mdao.findByPrimaryKey(menuId);
31          int type = menu.getMenuType();
32          try {
33              if (type == Menu.MENUTYPE_FILE) {
34                  deleteFile(menu, menuId, userName);
35              } else if (type == Menu.MENUTYPE_DIRECTORY) {
36                  Collection   children = mdao.findByParentId(menuId);
37                  Iterator   childIter = children.iterator();
38                  while (childIter.hasNext()) {
39                      Menu m = (Menu)childIter.next();
40                      deleteFile(m, m.getMenuId(), userName);
41                  }
42              }
43              return mdao.delete(menuId);
44          } catch (Exception   ex) {
45              return false;
46          }
47      }
48  
49      /**
50       * deletes the given menu; does not perform an access check; only used internally
51       */
52      private static void deleteFile(Menu menu, int id, String   username) throws Exception   {
53              SearchDocumentDAO searchDocDao = new SearchDocumentDAO();
54              searchDocDao.delete(id);
55              UserDocDAO uddao = new UserDocDAO();
56              uddao.delete(username, id);
57              DocumentDAO ddao = new DocumentDAO();           
58              Document doc = ddao.findByMenuId(id);
59              if (doc != null) {
60                  Indexer indexer = new Indexer();
61                  indexer.deleteFile(String.valueOf(id));             
62              }
63              //int docId = doc.getDocId();
64              boolean deleted1 = ddao.deleteByMenuId(id);
65              TermDAO termDao = new TermDAO();
66              boolean deleted2 = termDao.delete(id);          
67              MenuDAO mdao = new MenuDAO();
68              boolean deleted = mdao.delete(id);
69              //String path = conf.getValue("docdir");
70              String   menupath = menu.getMenuPath() + "/" + String.valueOf(id);
71              //FileBean.deleteDir(path);
72              SettingConfigurator conf = new SettingConfigurator();        
73              Class   clazz = Class.forName(conf.getValue("storer"));
74              Storer storer = (Storer)clazz.newInstance();
75              if (!storer.delete(menupath) || !deleted || !deleted1 || !deleted2)
76                  throw new Exception  ();
77      }
78  }
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