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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.templating.paragraphs;
35  
36  import info.magnolia.module.templating.RenderableDefinition;
37  import info.magnolia.cms.core.Content;
38  import info.magnolia.cms.util.NodeMapWrapper;
39  import info.magnolia.context.MgnlContext;
40  import info.magnolia.context.WebContext;
41  import info.magnolia.module.templating.RenderException;
42  
43  import java.io.Writer;
44  import java.util.Map;
45  
46  /**
47   * A simple paragraph renderer which delegates to a jsp.
48   *
49   * @author gjoseph
50   * @version $Revision: $ ($Author: $)
51   */
52  public class JspParagraphRenderer extends AbstractParagraphRenderer {
53  
54      protected void onRender(Content content, RenderableDefinition definition, Writer out, Map ctx, String templatePath) throws RenderException {
55          try {
56              ((WebContext) ctx).include(templatePath, out);
57          } catch (Exception e) {
58              throw new RenderException("Can't render paragraph template " + templatePath, e);
59          }
60  
61      }
62  
63      protected Map newContext() {
64          return MgnlContext.getWebContext("JspParagraphRenderer can only be used with a WebContext");
65      }
66  
67      /**
68       * We expose nodes as Map instances in JSPs.
69       */
70      protected Content wrapNodeForTemplate(Content currentContent, Content mainContent) {
71          final Content wrapped = super.wrapNodeForTemplate(currentContent, mainContent);
72          return new NodeMapWrapper(wrapped, mainContent.getHandle());
73      }
74  
75      protected String getPageAttributeName() {
76          return "actpage";
77      }
78  
79  }