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 info.magnolia.context.MgnlContext;
41 import info.magnolia.module.blossom.preexecution.BlossomFilter;
42
43 /**
44 * Outputs a hidden tag with the UUID of the paragraph currently being rendered.
45 *
46 * @since 0.5
47 */
48 public class PecidInputTag extends TagSupport {
49
50 @Override
51 public int doStartTag() throws JspException {
52
53 try {
54
55 String localUuid = MgnlContext.getAggregationState().getCurrentContent().getUUID();
56
57 StringBuilder sb = new StringBuilder();
58 sb.append("<input name=\"");
59 sb.append(BlossomFilter.PREEXECUTION_CONTEXT_PARAMETER_NAME);
60 sb.append("\" value=\"");
61 sb.append(localUuid);
62 sb.append("\" type=\"hidden\" />");
63
64 pageContext.getOut().print(sb.toString());
65
66 } catch (IOException e) {
67 throw new JspException(e.getMessage(), e);
68 }
69
70 return SKIP_BODY;
71 }
72 }