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.social.model;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.HtmlUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.portal.kernel.util.StringUtil;
30  import com.liferay.portal.model.Group;
31  import com.liferay.portal.model.User;
32  import com.liferay.portal.service.UserLocalServiceUtil;
33  import com.liferay.portal.theme.ThemeDisplay;
34  
35  /**
36   * <a href="BaseSocialActivityInterpreter.java.html"><b><i>View Source</i></b>
37   * </a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public abstract class BaseSocialActivityInterpreter
43      implements SocialActivityInterpreter {
44  
45      public String cleanContent(String content) {
46          return StringUtil.shorten(HtmlUtil.extractText(content), 200);
47      }
48  
49      public String getUserName(long userId, ThemeDisplay themeDisplay) {
50          try {
51              if (userId <= 0) {
52                  return StringPool.BLANK;
53              }
54  
55              User user = UserLocalServiceUtil.getUserById(userId);
56  
57              if (user.getUserId() == themeDisplay.getUserId()) {
58                  return user.getFirstName();
59              }
60  
61              String userName = user.getFullName();
62  
63              Group group = user.getGroup();
64  
65              if (group.getGroupId() == themeDisplay.getPortletGroupId()) {
66                  return userName;
67              }
68  
69              String userDisplayURL = user.getDisplayURL(
70                  themeDisplay.getURLPortal());
71  
72              userName =
73                  "<a href=\"" + userDisplayURL + "\">" + userName + "</a>";
74  
75              return userName;
76          }
77          catch (Exception e) {
78              return StringPool.BLANK;
79          }
80      }
81  
82      public SocialActivityFeedEntry interpret(
83          SocialActivity activity, ThemeDisplay themeDisplay) {
84  
85          try {
86              return doInterpret(activity, themeDisplay);
87          }
88          catch (Exception e) {
89              _log.error(e);
90          }
91  
92          return null;
93      }
94  
95      protected abstract SocialActivityFeedEntry doInterpret(
96              SocialActivity activity, ThemeDisplay themeDisplay)
97          throws Exception;
98  
99      private static Log _log =
100         LogFactoryUtil.getLog(BaseSocialActivityInterpreter.class);
101 
102 }