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1   /**
2    * This file Copyright (c) 2003-2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.blossom.taglib;
35  
36  import java.io.IOException;
37  import javax.servlet.jsp.JspException;
38  import javax.servlet.jsp.tagext.TagSupport;
39  
40  import org.apache.commons.lang.StringUtils;
41  
42  import info.magnolia.module.blossom.support.RepositoryUtils;
43  
44  /**
45   * Outputs the UUID of the paragraph currently being rendered.
46   *
47   * @since 0.5
48   */
49  public class PecidTag extends TagSupport {
50  
51      private String var;
52  
53      public void setVar(String var) {
54          this.var = var;
55      }
56  
57      @Override
58      public int doStartTag() throws JspException {
59  
60          try {
61  
62              String localUuid = RepositoryUtils.getLocalContentNodeUuid();
63  
64              if (StringUtils.isEmpty(this.var)) {
65                  pageContext.getOut().print(localUuid);
66              } else {
67                  this.pageContext.setAttribute(this.var, localUuid);
68              }
69  
70          } catch (IOException e) {
71              throw new JspException(e.getMessage(), e);
72          }
73  
74          return SKIP_BODY;
75      }
76  }