Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MelatiWebmacroStringWriter |
|
| 5.5;5.5 |
1 | /* | |
2 | * $Source: /usr/cvsroot/melati/melati/src/site/resources/withWebmacro/org.melati.template.webmacro.MelatiWebmacroStringWriter.html,v $ | |
3 | * $Revision: 1.1 $ | |
4 | * | |
5 | * Copyright (C) 2003 Jim Wright - Bohemian Enterprise | |
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 | * Jim Wright <jimw At paneris.org> | |
42 | */ | |
43 | ||
44 | package org.melati.template.webmacro; | |
45 | ||
46 | import org.melati.Melati; | |
47 | import org.melati.template.TemplateIOException; | |
48 | import org.melati.util.MelatiBugMelatiException; | |
49 | import org.melati.util.MelatiStringWriter; | |
50 | ||
51 | import org.webmacro.Broker; | |
52 | import org.webmacro.InitException; | |
53 | ||
54 | import java.io.IOException; | |
55 | import java.io.UnsupportedEncodingException; | |
56 | ||
57 | /** | |
58 | * {@link MelatiStringWriter} that can be used with WebMacro. | |
59 | * | |
60 | * @see WebmacroTemplate#write(org.melati.util.MelatiWriter, | |
61 | * org.melati.template.TemplateContext, | |
62 | * org.melati.template.TemplateEngine) | |
63 | */ | |
64 | 14460 | public class MelatiWebmacroStringWriter extends MelatiStringWriter |
65 | implements MelatiWebmacroWriter { | |
66 | ||
67 | /** | |
68 | * @return a <code>FastWriter</code> that can be used for a while. | |
69 | * | |
70 | * {@inheritDoc} | |
71 | * @see #stopUsingFastWriter(FastWriter) | |
72 | * @see org.melati.template.webmacro.MelatiWebmacroWriter#getFastWriter | |
73 | * (org.melati.template.TemplateEngine) | |
74 | */ | |
75 | public org.webmacro.FastWriter getFastWriter() { | |
76 | // All we want to do is efficiently convert to and from bytes | |
77 | // in an encoding that works for all Java characters. | |
78 | // Sun's Javadocs java.nio.charset.Charset explains this well | |
79 | // where other references fail to spell it out: UTF-16 is cool. | |
80 | // Except Webmacro does not support it due to byte order mark. | |
81 | // So Jim used UTF-16BE | |
82 | // Changed to default in the desperate hope of getting something to work | |
83 | try { | |
84 | 626 | return org.webmacro.FastWriter.getInstance(Broker.getBroker(), Melati.DEFAULT_ENCODING); |
85 | } | |
86 | 0 | catch (UnsupportedEncodingException e) { |
87 | 0 | throw new MelatiBugMelatiException( |
88 | "Assumption that all JVMs and WebMacro support " + Melati.DEFAULT_ENCODING + " has not held", e); | |
89 | 0 | } catch (InitException e) { |
90 | 0 | throw new MelatiBugMelatiException( |
91 | "Problem initialising WebMacro", e); | |
92 | } | |
93 | } | |
94 | ||
95 | /** | |
96 | * Stop using the given <code>FastWriter</code> obtained from | |
97 | * this object. | |
98 | */ | |
99 | public void stopUsingFastWriter(org.webmacro.FastWriter fw) { | |
100 | try { | |
101 | 614 | write(fw.toString()); |
102 | 0 | } catch (IOException e) { |
103 | 0 | throw new TemplateIOException(e); |
104 | 614 | } |
105 | try { | |
106 | 614 | fw.close(); |
107 | 0 | } catch (IOException e) { |
108 | 0 | throw new TemplateIOException(e); |
109 | 614 | } |
110 | 614 | } |
111 | ||
112 | } |