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
|
/*
* 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.
*/
package org.apache.tomcat.util.digester;
import org.xml.sax.Attributes;
/**
* Concrete implementations of this class implement actions to be taken when
* a corresponding nested pattern of XML elements has been matched.
*/
public abstract class Rule {
// ----------------------------------------------------------- Constructors
/**
* <p>Base constructor.
* Now the digester will be set when the rule is added.</p>
*/
public Rule() {}
// ----------------------------------------------------- Instance Variables
/**
* The Digester with which this Rule is associated.
*/
protected Digester digester = null;
/**
* The namespace URI for which this Rule is relevant, if any.
*/
protected String namespaceURI = null;
// ------------------------------------------------------------- Properties
/**
* Return the Digester with which this Rule is associated.
*/
public Digester getDigester() {
return (this.digester);
}
/**
* Set the <code>Digester</code> with which this <code>Rule</code> is associated.
*/
public void setDigester(Digester digester) {
this.digester = digester;
}
/**
* Return the namespace URI for which this Rule is relevant, if any.
*/
public String getNamespaceURI() {
return (this.namespaceURI);
}
/**
* Set the namespace URI for which this Rule is relevant, if any.
*
* @param namespaceURI Namespace URI for which this Rule is relevant,
* or <code>null</code> to match independent of namespace.
*/
public void setNamespaceURI(String namespaceURI) {
this.namespaceURI = namespaceURI;
}
// --------------------------------------------------------- Public Methods
/**
* This method is called when the beginning of a matching XML element
* is encountered.
*
* @param attributes The attribute list of this element
* @deprecated Use the {@link #begin(String,String,Attributes) begin}
* method with <code>namespace</code> and <code>name</code>
* parameters instead.
*/
@Deprecated
public void begin(Attributes attributes) throws Exception {
// The default implementation does nothing
}
/**
* This method is called when the beginning of a matching XML element
* is encountered. The default implementation delegates to the deprecated
* method {@link #begin(Attributes) begin} without the
* <code>namespace</code> and <code>name</code> parameters, to retain
* backwards compatibility.
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
* @param attributes The attribute list of this element
* @since Digester 1.4
*/
public void begin(String namespace, String name, Attributes attributes)
throws Exception {
begin(attributes);
}
/**
* This method is called when the body of a matching XML element
* is encountered. If the element has no body, this method is
* not called at all.
*
* @param text The text of the body of this element
* @deprecated Use the {@link #body(String,String,String) body} method
* with <code>namespace</code> and <code>name</code> parameters
* instead.
*/
@Deprecated
public void body(String text) throws Exception {
// The default implementation does nothing
}
/**
* This method is called when the body of a matching XML element is
* encountered. If the element has no body, this method is not called at
* all. The default implementation delegates to the deprecated method
* {@link #body(String) body} without the <code>namespace</code> and
* <code>name</code> parameters, to retain backwards compatibility.
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
* @param text The text of the body of this element
* @since Digester 1.4
*/
public void body(String namespace, String name, String text)
throws Exception {
body(text);
}
/**
* This method is called when the end of a matching XML element
* is encountered.
*
* @deprecated Use the {@link #end(String,String) end} method with
* <code>namespace</code> and <code>name</code> parameters instead.
*/
@Deprecated
public void end() throws Exception {
// The default implementation does nothing
}
/**
* This method is called when the end of a matching XML element
* is encountered. The default implementation delegates to the deprecated
* method {@link #end end} without the
* <code>namespace</code> and <code>name</code> parameters, to retain
* backwards compatibility.
*
* @param namespace the namespace URI of the matching element, or an
* empty string if the parser is not namespace aware or the element has
* no namespace
* @param name the local name if the parser is namespace aware, or just
* the element name otherwise
* @since Digester 1.4
*/
public void end(String namespace, String name)
throws Exception {
end();
}
/**
* This method is called after all parsing methods have been
* called, to allow Rules to remove temporary data.
*/
public void finish() throws Exception {
// The default implementation does nothing
}
}
|
