1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.fonts;
import java.io.File;
import java.net.MalformedURLException;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fonts.substitute.FontSubstitutions;
import org.apache.fop.fonts.substitute.FontSubstitutionsConfigurator;
import org.apache.fop.util.LogUtil;
/**
* Configurator of the FontManager
*/
public class FontManagerConfigurator {
/** logger instance */
private static Log log = LogFactory.getLog(FontManagerConfigurator.class);
private Configuration cfg;
/**
* Main constructor
* @param cfg the font manager configuration object
*/
public FontManagerConfigurator(Configuration cfg) {
this.cfg = cfg;
}
/**
* Initializes font settings from the user configuration
* @param fontManager a font manager
* @param strict true if strict checking of the configuration is enabled
* @throws FOPException if an exception occurs while processing the configuration
*/
public void configure(FontManager fontManager, boolean strict) throws FOPException {
// caching (fonts)
if (cfg.getChild("use-cache", false) != null) {
try {
fontManager.setUseCache(cfg.getChild("use-cache").getValueAsBoolean());
} catch (ConfigurationException e) {
LogUtil.handleException(log, e, true);
}
}
if (cfg.getChild("cache-file", false) != null) {
try {
fontManager.setCacheFile(new File(cfg.getChild("cache-file").getValue()));
} catch (ConfigurationException e) {
LogUtil.handleException(log, e, true);
}
}
if (cfg.getChild("font-base", false) != null) {
try {
fontManager.setFontBaseURL(cfg.getChild("font-base").getValue(null));
} catch (MalformedURLException mfue) {
LogUtil.handleException(log, mfue, true);
}
}
// global font configuration
Configuration fontsCfg = cfg.getChild("fonts", false);
if (fontsCfg != null) {
// font substitution
Configuration substitutionsCfg = fontsCfg.getChild("substitutions", false);
if (substitutionsCfg != null) {
FontSubstitutions substitutions = new FontSubstitutions();
new FontSubstitutionsConfigurator(substitutionsCfg).configure(substitutions);
fontManager.setFontSubstitutions(substitutions);
}
// referenced fonts (fonts which are not to be embedded)
Configuration referencedFontsCfg = fontsCfg.getChild("referenced-fonts", false);
if (referencedFontsCfg != null) {
FontTriplet.Matcher matcher = createFontsMatcher(
referencedFontsCfg, strict);
fontManager.setReferencedFontsMatcher(matcher);
}
}
}
/**
* Creates a font triplet matcher from a configuration object.
* @param cfg the configuration object
* @param strict true for strict configuraton error handling
* @return the font matcher
* @throws FOPException if an error occurs while building the matcher
*/
public static FontTriplet.Matcher createFontsMatcher(
Configuration cfg, boolean strict) throws FOPException {
List matcherList = new java.util.ArrayList();
Configuration[] matches = cfg.getChildren("match");
for (int i = 0; i < matches.length; i++) {
try {
matcherList.add(new FontFamilyRegExFontTripletMatcher(
matches[i].getAttribute("font-family")));
} catch (ConfigurationException ce) {
LogUtil.handleException(log, ce, strict);
continue;
}
}
FontTriplet.Matcher orMatcher = new OrFontTripletMatcher(
(FontTriplet.Matcher[])matcherList.toArray(
new FontTriplet.Matcher[matcherList.size()]));
return orMatcher;
}
private static class OrFontTripletMatcher implements FontTriplet.Matcher {
private FontTriplet.Matcher[] matchers;
public OrFontTripletMatcher(FontTriplet.Matcher[] matchers) {
this.matchers = matchers;
}
/** {@inheritDoc} */
public boolean matches(FontTriplet triplet) {
for (int i = 0, c = matchers.length; i < c; i++) {
if (matchers[i].matches(triplet)) {
return true;
}
}
return false;
}
}
private static class FontFamilyRegExFontTripletMatcher implements FontTriplet.Matcher {
private Pattern regex;
public FontFamilyRegExFontTripletMatcher(String regex) {
this.regex = Pattern.compile(regex);
}
/** {@inheritDoc} */
public boolean matches(FontTriplet triplet) {
return regex.matcher(triplet.getName()).matches();
}
}
}
|
