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
|
/*
* $Id: DomImpl.java,v 1.1.1.1 2003-02-01 02:10:15 cbj Exp $
* Copyright (C) 1999-2001 David Brownell
*
* This file is part of GNU JAXP, a library.
*
* GNU JAXP 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 of the License, or
* (at your option) any later version.
*
* GNU JAXP 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.xml.dom;
import java.util.Vector;
import org.w3c.dom.*;
// $Id: DomImpl.java,v 1.1.1.1 2003-02-01 02:10:15 cbj Exp $
/**
* <p> "DOMImplementation" implementation. </p>
*
* <p> At this writing, the following features are supported: "XML" (L1, L2),
* "Events" (L2), "MutationEvents" (L2), "USER-Events" (a conformant extension),
* "HTMLEvents" (L2), "UIEvents" (L2), "Traversal" (L2). It is possible to
* compile the package so it doesn't support some of these features (notably,
* Traversal).
*
* @author David Brownell
* @version $Date: 2003-02-01 02:10:15 $
*/
public class DomImpl implements DOMImplementation
{
/**
* Constructs a DOMImplementation object which supports
* "XML" and other DOM Level 2 features.
*/
public DomImpl () {}
/**
* <b>DOM L1</b>
* Returns true if the specified feature and version are
* supported. Note that the case of the feature name is ignored.
*/
public boolean hasFeature (String name, String version)
{
name = name.toLowerCase ();
if ("xml".equals (name) || "core".equals (name)) {
if (version == null || version.equals (""))
return true;
if ("1.0".equals (version))
return true;
if ("2.0".equals (version))
return true;
} else if ("events".equals (name)
|| "mutationevents".equals (name)
|| "uievents".equals (name)
// || "mouseevents".equals (name)
|| "htmlevents".equals (name)
) {
if (version == null || version.equals (""))
return true;
if ("2.0".equals (version))
return true;
// Extension: "USER-" prefix event types can
// be created and passed through the DOM.
} else if ("user-events".equals (name)) {
if (version == null || version.equals (""))
return true;
if ("0.1".equals (version))
return true;
// NOTE: "hasFeature" for events is here interpreted to
// mean the DOM can manufacture those sorts of events,
// since actually choosing to report the events is more
// often part of the environment or application. It's
// only really an issue for mutation events.
} else if (DomNode.reportMutations
&& "traversal".equals (name)) {
// Note: nyet tree walker support ...
if (version == null || version.equals (""))
return true;
if ("2.0".equals (version))
return true;
}
// views
// stylesheets
// css, css2
// range
return false;
}
/**
* <b>DOM L2</b>
* Creates and returns a DocumentType, associated with this
* implementation. This DocumentType can have no associated
* objects (notations, entities) until the DocumentType is
* first associated with a document.
*
* <p> Note that there is no implication that this DTD will
* be parsed by the DOM, or ever have contents. Moreover, the
* DocumentType created here can only be added to a document by
* the createDocument method (below). <em>That means that the only
* portable way to create a Document object is to start parsing,
* queue comment and processing instruction (PI) nodes, and then only
* create a DOM Document after <b>(a)</b> it's known if a DocumentType
* object is needed, and <b>(b) the name and namespace of the root
* element is known. Queued comment and PI nodes would then be
* inserted appropriately in the document prologue, both before and
* after the DTD node, and additional attributes assigned to the
* root element.</em>
* (One hopes that the final DOM REC fixes this serious botch.)
*/
public DocumentType createDocumentType (
String rootName,
String publicId,
String systemId
// CR2 deleted internal subset, ensuring DocumentType
// is 100% useless instead of just 90% so.
) {
DomDocument.verifyNamespaceName (rootName);
return new DomDoctype (this, rootName, publicId, systemId, null);
}
/**
* <b>DOM L2</b>
* Creates and returns a Document, populated only with a root element and
* optionally a document type (if that was provided).
*/
public Document createDocument (
String namespaceURI,
String rootName,
DocumentType doctype
) {
Document doc = new DomDocument (this);
Element root;
root = doc.createElementNS (namespaceURI, rootName);
if (rootName.startsWith ("xmlns:"))
throw new DomEx (DomEx.NAMESPACE_ERR,
"xmlns is reserved", null, 0);
// Bleech -- L2 seemingly _requires_ omission of xmlns attributes.
if (doctype != null)
doc.appendChild (doctype); // handles WRONG_DOCUMENT error
doc.appendChild (root);
return doc;
}
}
|
