1 /*
2 * $Source$
3 * $Revision$
4 *
5 * Copyright (C) 2000 Tim Joyce
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 Joyce <timj At paneris.org>
42 * http://paneris.org/
43 * 68 Sandbanks Rd, Poole, Dorset. BH14 8BY. UK
44 */
45
46 package org.melati.template.webmacro;
47
48 import java.io.IOException;
49
50 import org.melati.template.Template;
51 import org.melati.template.TemplateContext;
52 import org.melati.template.TemplateEngineException;
53 import org.melati.template.TemplateIOException;
54 import org.melati.util.MelatiWriter;
55 import org.webmacro.Context;
56 import org.webmacro.FastWriter;
57 import org.webmacro.PropertyException;
58
59 /**
60 * A Template for use with Melati.
61 *
62 */
63
64 public class WebmacroTemplate implements Template {
65 private org.webmacro.Template webmacroTemplate;
66
67 /**
68 * Constructor.
69 * @param t webmacro template
70 */
71 public WebmacroTemplate(org.webmacro.Template t) {
72 webmacroTemplate = t;
73 }
74
75 /**
76 * Write to the given output.
77 * @param out a {@link MelatiWebmacroWriter}.
78 */
79 public void write(MelatiWriter out, TemplateContext templateContext) {
80 try {
81 if (out instanceof MelatiWebmacroWriter) {
82 MelatiWebmacroWriter mww = (MelatiWebmacroWriter)out;
83 FastWriter fw = mww.getFastWriter();
84 try {
85 webmacroTemplate.write(fw, (Context)templateContext.getContext());
86 } catch (IOException e) {
87 throw new TemplateIOException(e);
88 }
89 mww.stopUsingFastWriter(fw);
90 } else {
91 Object o = webmacroTemplate.evaluateAsString((Context)templateContext.getContext());
92 try {
93 out.write(o.toString());
94 } catch (IOException e) {
95 throw new TemplateIOException(e);
96 }
97 }
98 } catch (PropertyException e) {
99 throw new TemplateEngineException(e);
100 }
101 }
102
103 }