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1   /**
2    * This file Copyright (c) 2008-2010 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.renderers;
35  
36  import info.magnolia.cms.core.Content;
37  import info.magnolia.context.MgnlContext;
38  import info.magnolia.module.templating.AbstractRenderer;
39  import info.magnolia.module.templating.RenderException;
40  import info.magnolia.module.templating.TemplateRenderer;
41  import info.magnolia.module.templating.Template;
42  import org.slf4j.Logger;
43  import org.slf4j.LoggerFactory;
44  
45  import javax.servlet.ServletException;
46  import javax.servlet.http.HttpServletRequest;
47  import javax.servlet.http.HttpServletResponse;
48  import java.io.IOException;
49  import java.io.PrintWriter;
50  import java.io.Writer;
51  
52  
53  /**
54   * Base class for implementing {@link TemplateRenderer}s.
55   * @author pbracher
56   * @version $Id: AbstractTemplateRenderer.java 36512 2010-08-18 14:04:05Z fgrilli $
57   *
58   */
59  public abstract class AbstractTemplateRenderer extends AbstractRenderer implements TemplateRenderer {
60      private static final Logger log = LoggerFactory.getLogger(AbstractTemplateRenderer.class);
61  
62      /**
63       * @deprecated since 4.0
64       */
65      public void renderTemplate(Template template, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
66          final Content content = MgnlContext.getAggregationState().getMainContent();
67          final PrintWriter out = response.getWriter();
68          try {
69              renderTemplate(content, template, out);
70          } catch (RenderException e) {
71              throw new ServletException(e);
72          }
73      }
74  
75      public void renderTemplate(Content content, Template template, Writer out) throws RenderException, IOException {
76          try {
77              render(content, template, out);
78          } finally{
79              out.flush();
80          }
81      }
82  }