1 /*
2 * $Source: /usr/cvsroot/melati/melati/src/main/java/org/melati/template/velocity/VelocityTemplateContext.java,v $
3 * $Revision: 1.14 $
4 *
5 * Copyright (C) 2008 Tim Pizey
6 *
7 * Part of Melati (http://melati.org), a framework for the rapid
8 * development of clean, maintainable web applications.
9 *
10 * Melati is free software; Permission is granted to copy, distribute
11 * and/or modify this software under the terms either:
12 *
13 * a) the GNU General Public License as published by the Free Software
14 * Foundation; either version 2 of the License, or (at your option)
15 * any later version,
16 *
17 * or
18 *
19 * b) any version of the Melati Software License, as published
20 * at http://melati.org
21 *
22 * You should have received a copy of the GNU General Public License and
23 * the Melati Software License along with this program;
24 * if not, write to the Free Software Foundation, Inc.,
25 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26 * GNU General Public License and visit http://melati.org to obtain the
27 * Melati Software License.
28 *
29 * Feel free to contact the Developers of Melati (http://melati.org),
30 * if you would like to work out a different arrangement than the options
31 * outlined here. It is our intention to allow Melati to be used by as
32 * wide an audience as possible.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * Contact details for copyright holder:
40 *
41 * Tim Pizey <timp At paneris.org>
42 */
43 package org.melati.template.velocity;
44
45 import org.apache.velocity.VelocityContext;
46 import org.apache.velocity.app.event.EventCartridge;
47 import org.melati.template.TemplateContext;
48
49 /**
50 * @author timp
51 * @since 14 Apr 2008
52 *
53 */
54 public class VelocityTemplateContext implements TemplateContext {
55
56 /** The webcontext. */
57 public VelocityContext velContext;
58
59 /**
60 * Constructor.
61 * @param vc context
62 */
63 public VelocityTemplateContext(VelocityContext vc) {
64 velContext = vc;
65 setPropagateExceptionHandling();
66 }
67
68 /**
69 * {@inheritDoc}
70 * @see org.melati.template.TemplateContext#put(java.lang.String, java.lang.Object)
71 */
72 public void put(String s, Object o) {
73 velContext.put(s,o);
74 }
75
76 /**
77 * {@inheritDoc}
78 * @see org.melati.template.TemplateContext#get(java.lang.String)
79 */
80 public Object get(String s) {
81 return velContext.get(s);
82 }
83
84 /**
85 * {@inheritDoc}
86 * @see org.melati.template.TemplateContext#getContext()
87 */
88 public Object getContext() {
89 return velContext;
90 }
91
92 /**
93 * {@inheritDoc}
94 * @see org.melati.template.TemplateContext#setPassbackExceptionHandling()
95 */
96 public void setPassbackExceptionHandling() {
97 EventCartridge ec = velContext.getEventCartridge();
98 if (ec == null) {
99 ec = new EventCartridge();
100 velContext.attachEventCartridge(ec);
101 }
102 ec.addEventHandler(new PassbackEvaluationExceptionHandler(velContext));
103 }
104
105 /**
106 * {@inheritDoc}
107 * @see org.melati.template.TemplateContext#setPropagateExceptionHandling()
108 */
109 public void setPropagateExceptionHandling() {
110 EventCartridge ec = velContext.getEventCartridge();
111 if (ec == null) {
112 ec = new EventCartridge();
113 velContext.attachEventCartridge(ec);
114 }
115 ec.addEventHandler(new PropagateEvaluationExceptionHandler());
116 }
117
118 }