1 /*
2 * $Source$
3 * $Revision$
4 *
5 * Copyright (C) 2005 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@paneris.org>
42 * http://paneris.org/~timp
43 */
44
45 package org.melati.template.webmacro;
46
47
48 import java.util.Map;
49
50 import org.melati.template.TemplateContext;
51 import org.webmacro.Context;
52
53 /**
54 * Implements a template context for Melati / Webmacro without a Servlet.
55 *
56 */
57 public class WebmacroTemplateContext implements TemplateContext {
58
59 Context context;
60
61 /**
62 * Constructor.
63 *
64 * @param c a {@link Context} to use to evaluate against
65 */
66 public WebmacroTemplateContext(Context c) {
67 context = c;
68 // always put a PropagateVariableExceptionHandler in otherwise
69 // we never get our errors out!
70 setPropagateExceptionHandling();
71 }
72
73 /**
74 * Set a value in the Context.
75 *
76 * @param s key
77 * @param o value
78 * @see org.melati.template.TemplateContext#put(java.lang.String, java.lang.Object)
79 */
80 public Object put(String s, Object o) {
81 return context.put(s,o);
82 }
83
84 /**
85 * Get a value by key.
86 *
87 * @param s key
88 * @return value
89 * @see org.melati.template.TemplateContext#get(java.lang.String)
90 */
91 public Object get(String s) {
92 return context.get(s);
93 }
94
95 /**
96 * Get the context itself.
97 *
98 * @return the context
99 * @see org.melati.template.TemplateContext#getContext()
100 */
101 public Object getContext() {
102 return context;
103 }
104
105 /**
106 * {@inheritDoc}
107 * @see org.melati.template.TemplateContext#setPassbackExceptionHandling()
108 */
109 public void setPassbackExceptionHandling() {
110 context.setEvaluationExceptionHandler(
111 new PassbackEvaluationExceptionHandler());
112 }
113
114 /**
115 * {@inheritDoc}
116 * @see org.melati.template.TemplateContext#setPropagateExceptionHandling()
117 */
118 public void setPropagateExceptionHandling() {
119 context.setEvaluationExceptionHandler(
120 new PropagateEvaluationExceptionHandler());
121 }
122
123 @Override
124 public void putAll(Map<String, ?> m) {
125 context.putAll(m);
126 }
127
128 }
129
130
131
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134