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.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.util.ParamUtil;
28  import com.liferay.portal.struts.JSONAction;
29  import com.liferay.portlet.documentlibrary.model.DLFolder;
30  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
31  import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
32  import com.liferay.portlet.documentlibrary.service.http.DLFolderJSONSerializer;
33  import com.liferay.util.JSONUtil;
34  
35  import java.util.ArrayList;
36  import java.util.List;
37  
38  import javax.servlet.http.HttpServletRequest;
39  import javax.servlet.http.HttpServletResponse;
40  
41  import org.apache.struts.action.ActionForm;
42  import org.apache.struts.action.ActionMapping;
43  
44  import org.json.JSONArray;
45  import org.json.JSONObject;
46  
47  /**
48   * <a href="GetFoldersAction.java.html"><b><i>View Source</i></b></a>
49   *
50   * @author Edward Shin
51   *
52   */
53  public class GetFoldersAction extends JSONAction {
54  
55      public String getJSON(
56              ActionMapping mapping, ActionForm form, HttpServletRequest req,
57              HttpServletResponse res)
58          throws Exception {
59  
60          long groupId = ParamUtil.getLong(req, "groupId");
61          long parentFolderId = ParamUtil.getLong(req, "folderId");
62  
63          List<DLFolder> folders = DLFolderLocalServiceUtil.getFolders(
64              groupId, parentFolderId);
65  
66          JSONArray jsonArray = toJSONArray(folders);
67  
68          return jsonArray.toString();
69      }
70  
71      protected JSONArray toJSONArray(List<DLFolder> folders)
72          throws PortalException, SystemException {
73  
74          JSONArray jsonArray = new JSONArray();
75  
76          for (DLFolder folder : folders) {
77              jsonArray.put(toJSONObject(folder));
78          }
79  
80          return jsonArray;
81      }
82  
83      protected JSONObject toJSONObject(DLFolder folder)
84          throws PortalException, SystemException {
85  
86          JSONObject jsonObj = DLFolderJSONSerializer.toJSONObject(folder);
87  
88          List<Long> subfolderIds = new ArrayList<Long>();
89  
90          subfolderIds.add(folder.getFolderId());
91  
92          DLFolderLocalServiceUtil.getSubfolderIds(
93              subfolderIds, folder.getGroupId(), folder.getFolderId());
94  
95          int subFoldersCount = subfolderIds.size() - 1;
96          int fileEntriesCount =
97              DLFileEntryLocalServiceUtil.getFileEntriesAndShortcutsCount(
98                  subfolderIds);
99  
100         JSONUtil.put(jsonObj, "subFoldersCount", subFoldersCount);
101         JSONUtil.put(jsonObj, "fileEntriesCount", fileEntriesCount);
102 
103         return jsonObj;
104     }
105 
106 }