1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.documentlibrary.action;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.kernel.json.JSONArray;
27  import com.liferay.portal.kernel.json.JSONFactoryUtil;
28  import com.liferay.portal.kernel.json.JSONObject;
29  import com.liferay.portal.kernel.util.ParamUtil;
30  import com.liferay.portal.struts.JSONAction;
31  import com.liferay.portlet.documentlibrary.model.DLFolder;
32  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
33  import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
34  import com.liferay.portlet.documentlibrary.service.http.DLFolderJSONSerializer;
35  
36  import java.util.ArrayList;
37  import java.util.List;
38  
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.apache.struts.action.ActionForm;
43  import org.apache.struts.action.ActionMapping;
44  
45  /**
46   * <a href="GetFoldersAction.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Edward Shin
49   *
50   */
51  public class GetFoldersAction extends JSONAction {
52  
53      public String getJSON(
54              ActionMapping mapping, ActionForm form, HttpServletRequest request,
55              HttpServletResponse response)
56          throws Exception {
57  
58          long groupId = ParamUtil.getLong(request, "groupId");
59          long parentFolderId = ParamUtil.getLong(request, "folderId");
60  
61          List<DLFolder> folders = DLFolderLocalServiceUtil.getFolders(
62              groupId, parentFolderId);
63  
64          JSONArray jsonArray = toJSONArray(folders);
65  
66          return jsonArray.toString();
67      }
68  
69      protected JSONArray toJSONArray(List<DLFolder> folders)
70          throws SystemException {
71  
72          JSONArray jsonArray = JSONFactoryUtil.createJSONArray();
73  
74          for (DLFolder folder : folders) {
75              jsonArray.put(toJSONObject(folder));
76          }
77  
78          return jsonArray;
79      }
80  
81      protected JSONObject toJSONObject(DLFolder folder) throws SystemException {
82          JSONObject jsonObj = DLFolderJSONSerializer.toJSONObject(folder);
83  
84          List<Long> subfolderIds = new ArrayList<Long>();
85  
86          subfolderIds.add(folder.getFolderId());
87  
88          DLFolderLocalServiceUtil.getSubfolderIds(
89              subfolderIds, folder.getGroupId(), folder.getFolderId());
90  
91          int subFoldersCount = subfolderIds.size() - 1;
92          int fileEntriesCount =
93              DLFileEntryLocalServiceUtil.getFileEntriesAndShortcutsCount(
94                  subfolderIds);
95  
96          jsonObj.put("subFoldersCount", subFoldersCount);
97          jsonObj.put("fileEntriesCount", fileEntriesCount);
98  
99          return jsonObj;
100     }
101 
102 }