1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portlet.imagegallery.model.impl;
16  
17  import com.liferay.portal.kernel.exception.PortalException;
18  import com.liferay.portal.kernel.exception.SystemException;
19  import com.liferay.portlet.imagegallery.model.IGFolder;
20  import com.liferay.portlet.imagegallery.model.IGFolderConstants;
21  import com.liferay.portlet.imagegallery.service.IGFolderLocalServiceUtil;
22  
23  import java.util.ArrayList;
24  import java.util.List;
25  
26  /**
27   * <a href="IGFolderImpl.java.html"><b><i>View Source</i></b></a>
28   *
29   * @author Brian Wing Shun Chan
30   */
31  public class IGFolderImpl extends IGFolderModelImpl implements IGFolder {
32  
33      public IGFolderImpl() {
34      }
35  
36      public List<IGFolder> getAncestors()
37          throws PortalException, SystemException {
38  
39          List<IGFolder> ancestors = new ArrayList<IGFolder>();
40  
41          IGFolder folder = this;
42  
43          while (true) {
44              if (!folder.isRoot()) {
45                  folder = folder.getParentFolder();
46  
47                  ancestors.add(folder);
48              }
49              else {
50                  break;
51              }
52          }
53  
54          return ancestors;
55      }
56  
57      public IGFolder getParentFolder()
58          throws PortalException, SystemException {
59  
60          if (getParentFolderId() == IGFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
61              return null;
62          }
63  
64          return IGFolderLocalServiceUtil.getFolder(getParentFolderId());
65      }
66  
67      public boolean isRoot() {
68          if (getParentFolderId() == IGFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
69              return true;
70          }
71          else {
72              return false;
73          }
74      }
75  
76  }