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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* JAXPFactory.java --
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package gnu.xml.aelfred2;
import java.util.Enumeration;
import java.util.Hashtable;
import org.xml.sax.Parser;
import org.xml.sax.XMLReader;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.helpers.XMLReaderAdapter;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
/**
* Configurable factory to create an Ælfred2 JAXP parser; required
* to bootstrap using JAXP. You should use SAX2 directly where possible,
* rather than through JAXP, since that gives you better control.
* This class would normally be configured as a platform default factory.
*
* @author David Brownell
*/
public final class JAXPFactory
extends SAXParserFactory
{
private Hashtable flags = new Hashtable();
/**
* Constructs a factory which normally returns a non-validating
* parser.
*/
public JAXPFactory()
{
}
public SAXParser newSAXParser()
throws ParserConfigurationException, SAXException
{
JaxpParser jaxp = new JaxpParser();
Enumeration e = flags.keys();
XMLReader parser = jaxp.getXMLReader();
parser.setFeature(SAXDriver.FEATURE + "namespaces",
isNamespaceAware());
parser.setFeature(SAXDriver.FEATURE + "validation",
isValidating());
// that makes SAX2 feature flags trump JAXP
while (e.hasMoreElements())
{
String uri = (String) e.nextElement();
Boolean value = (Boolean) flags.get(uri);
parser.setFeature(uri, value.booleanValue());
}
return jaxp;
}
// yes, this "feature transfer" mechanism doesn't play well
public void setFeature(String name, boolean value)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException
{
try
{
// force "early" detection of errors where possible
// (flags can't necessarily be set before parsing)
new JaxpParser().getXMLReader().setFeature(name, value);
flags.put(name, new Boolean(value));
}
catch (SAXNotRecognizedException e)
{
throw new SAXNotRecognizedException(name);
}
catch (SAXNotSupportedException e)
{
throw new SAXNotSupportedException(name);
}
catch (Exception e)
{
throw new ParserConfigurationException(e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
public boolean getFeature(String name)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException
{
Boolean value = (Boolean) flags.get(name);
if (value != null)
{
return value.booleanValue();
}
else
{
try
{
return new JaxpParser().getXMLReader().getFeature(name);
}
catch (SAXNotRecognizedException e)
{
throw new SAXNotRecognizedException(name);
}
catch (SAXNotSupportedException e)
{
throw new SAXNotSupportedException(name);
}
catch (SAXException e)
{
throw new ParserConfigurationException(e.getClass().getName()
+ ": "
+ e.getMessage());
}
}
}
private static class JaxpParser
extends SAXParser
{
private XmlReader ae2 = new XmlReader();
private XMLReaderAdapter parser = null;
JaxpParser()
{
}
public void setProperty(String id, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException
{
ae2.setProperty(id, value);
}
public Object getProperty(String id)
throws SAXNotRecognizedException, SAXNotSupportedException
{
return ae2.getProperty(id);
}
public Parser getParser()
throws SAXException
{
if (parser == null)
{
parser = new XMLReaderAdapter(ae2);
}
return parser;
}
public XMLReader getXMLReader ()
throws SAXException
{
return ae2;
}
public boolean isNamespaceAware()
{
try
{
return ae2.getFeature(SAXDriver.FEATURE + "namespaces");
}
catch (Exception e)
{
throw new Error();
}
}
public boolean isValidating()
{
try
{
return ae2.getFeature(SAXDriver.FEATURE + "validation");
}
catch (Exception e)
{
throw new Error();
}
}
// TODO isXIncludeAware()
}
}
|
