1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.taglib.ui;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.kernel.util.MethodInvoker;
25  import com.liferay.portal.kernel.util.MethodWrapper;
26  import com.liferay.portal.kernel.util.NullWrapper;
27  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28  import com.liferay.portal.kernel.util.StringPool;
29  import com.liferay.taglib.util.IncludeTag;
30  
31  import javax.servlet.jsp.JspException;
32  import javax.servlet.jsp.PageContext;
33  
34  /**
35   * <a href="SocialBookmarkTag.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author David Truong
38   * @author Jorge Ferrer
39   *
40   */
41  public class SocialBookmarkTag extends IncludeTag {
42  
43      public static String doTag(
44              String type, String url, String title, String target,
45              PageContext pageContext)
46          throws Exception {
47  
48          return doTag(_PAGE, type, url, title, target, pageContext);
49      }
50  
51      public static String doTag(
52              String page, String type, String url, String title, String target,
53              PageContext pageContext)
54          throws Exception {
55  
56          Object returnObj = null;
57  
58          Thread currentThread = Thread.currentThread();
59  
60          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
61  
62          try {
63              currentThread.setContextClassLoader(
64                  PortalClassLoaderUtil.getClassLoader());
65  
66              Object targetWrapper = target;
67  
68              if (targetWrapper == null) {
69                  targetWrapper = new NullWrapper(String.class.getName());
70              }
71  
72              MethodWrapper methodWrapper = new MethodWrapper(
73                  _TAG_CLASS, _TAG_DO_END_METHOD,
74                  new Object[] {
75                      page, type, url, title, targetWrapper, pageContext
76                  });
77  
78              returnObj = MethodInvoker.invoke(methodWrapper);
79          }
80          catch (Exception e) {
81              _log.error(e, e);
82          }
83          finally {
84              currentThread.setContextClassLoader(contextClassLoader);
85          }
86  
87          if (returnObj != null) {
88              return returnObj.toString();
89          }
90          else {
91              return StringPool.BLANK;
92          }
93      }
94  
95      public int doEndTag() throws JspException {
96          try {
97              doTag(getPage(), _type, _url, _title, _target, pageContext);
98          }
99          catch (Exception e) {
100             if (e instanceof JspException) {
101                 throw (JspException)e;
102             }
103             else {
104                 throw new JspException(e);
105             }
106         }
107 
108         return EVAL_PAGE;
109     }
110 
111     public void setType(String type) {
112         _type = type;
113     }
114 
115     public void setUrl(String url) {
116         _url = url;
117     }
118 
119     public void setTitle(String title) {
120         _title = title;
121     }
122 
123     public void setTarget(String target) {
124         _target = target;
125     }
126 
127     protected String getDefaultPage() {
128         return _PAGE;
129     }
130 
131     private static final String _TAG_CLASS =
132         "com.liferay.portal.servlet.taglib.ui.SocialBookmarkTagUtil";
133 
134     private static final String _TAG_DO_END_METHOD = "doEndTag";
135 
136     private static final String _PAGE =
137         "/html/taglib/ui/social_bookmark/page.jsp";
138 
139     private static Log _log = LogFactoryUtil.getLog(SocialBookmarkTag.class);
140 
141     private String _type;
142     private String _url;
143     private String _title;
144     private String _target;
145 
146 }