blob: 118d2693ee50bfec094c795f187ac817cb10a0dd (
plain)
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
|
/*
* Copyright 2005 The Apache Software Foundation
*
* Licensed 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.tools.ant.types.resources.selectors;
import java.util.Stack;
import java.util.Vector;
import java.util.Iterator;
import java.util.Collections;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.DataType;
/**
* ResourceSelector container.
* @since Ant 1.7
*/
public class ResourceSelectorContainer extends DataType {
private Vector v = new Vector();
/**
* Default constructor.
*/
public ResourceSelectorContainer() {
}
/**
* Construct a new ResourceSelectorContainer with the specified array of selectors.
* @param r the ResourceSelector[] to add.
*/
public ResourceSelectorContainer(ResourceSelector[] r) {
for (int i = 0; i < r.length; i++) {
add(r[i]);
}
}
/**
* Add a ResourceSelector to the container.
* @param s the ResourceSelector to add.
*/
public void add(ResourceSelector s) {
if (isReference()) {
throw noChildrenAllowed();
}
if (s == null) {
return;
}
v.add(s);
setChecked(false);
}
/**
* Learn whether this ResourceSelectorContainer has selectors.
* @return boolean indicating whether selectors have been added to the container.
*/
public boolean hasSelectors() {
if (isReference()) {
return ((ResourceSelectorContainer) getCheckedRef()).hasSelectors();
}
dieOnCircularReference();
return !v.isEmpty();
}
/**
* Get the count of nested selectors.
* @return the selector count as int.
*/
public int selectorCount() {
if (isReference()) {
return ((ResourceSelectorContainer) getCheckedRef()).selectorCount();
}
dieOnCircularReference();
return v.size();
}
/**
* Return an Iterator over the nested selectors.
* @return Iterator of ResourceSelectors.
*/
public Iterator getSelectors() {
if (isReference()) {
return ((ResourceSelectorContainer) getCheckedRef()).getSelectors();
}
dieOnCircularReference();
return Collections.unmodifiableList(v).iterator();
}
/**
* Overrides the version from DataType to recurse on nested ResourceSelectors.
* @param stk the Stack of references.
* @param p the Project to resolve against.
* @throws BuildException on error.
*/
public void dieOnCircularReference(Stack stk, Project p) {
if (isChecked()) {
return;
}
if (isReference()) {
super.dieOnCircularReference(stk, p);
} else {
for (Iterator i = v.iterator(); i.hasNext();) {
Object o = i.next();
if (o instanceof DataType) {
stk.push(o);
invokeCircularReferenceCheck((DataType) o, stk, p);
}
}
setChecked(true);
}
}
}
|