blob: 796a5ca0ce6a57cf66052dc357cc2d352277590c (
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
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
|
package org.apache.maven.project.harness;
/*
* 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.
*/
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.jxpath.ri.Compiler;
import org.apache.commons.jxpath.ri.compiler.NodeNameTest;
import org.apache.commons.jxpath.ri.compiler.NodeTest;
import org.apache.commons.jxpath.ri.compiler.NodeTypeTest;
import org.apache.commons.jxpath.ri.model.NodeIterator;
import org.apache.commons.jxpath.ri.model.NodePointer;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.xml.Xpp3Dom;
/**
* A node iterator for JXPath to support <code>Xpp3Dom</code>.
*
* @author Benjamin Bentmann
*/
class Xpp3DomNodeIterator
implements NodeIterator
{
private NodePointer parent;
private NodeTest test;
private Xpp3Dom node;
private Xpp3Dom[] children;
private List<Xpp3Dom> filteredChildren = new ArrayList<Xpp3Dom>();
private int filteredIndex;
private Xpp3Dom child;
private int position;
public Xpp3DomNodeIterator( NodePointer parent, NodeTest test, boolean reverse, NodePointer startWith )
{
this.parent = parent;
this.node = (Xpp3Dom) parent.getNode();
this.children = this.node.getChildren();
if ( startWith != null )
{
Xpp3Dom startWithNode = (Xpp3Dom) startWith.getNode();
for ( ; filteredIndex < children.length; filteredIndex++ )
{
if ( startWithNode.equals( children[filteredIndex] ) )
{
filteredIndex++;
break;
}
}
}
this.test = test;
if ( reverse )
{
throw new UnsupportedOperationException();
}
}
public NodePointer getNodePointer()
{
if ( position == 0 )
{
setPosition( 1 );
}
return ( child == null ) ? null : new Xpp3DomNodePointer( parent, child );
}
public int getPosition()
{
return position;
}
public boolean setPosition( int position )
{
this.position = position;
filterChildren( position );
child = ( position > 0 && position <= filteredChildren.size() ) ? filteredChildren.get( position - 1 ) : null;
return child != null;
}
private void filterChildren( int position )
{
for ( ; position > filteredChildren.size() && filteredIndex < children.length; filteredIndex++ )
{
Xpp3Dom child = children[filteredIndex];
if ( testNode( child ) )
{
filteredChildren.add( child );
}
}
}
private boolean testNode( Xpp3Dom node )
{
if ( test == null )
{
return true;
}
if ( test instanceof NodeNameTest )
{
String nodeName = node.getName();
if ( StringUtils.isEmpty( nodeName ) )
{
return false;
}
NodeNameTest nodeNameTest = (NodeNameTest) test;
String namespaceURI = nodeNameTest.getNamespaceURI();
boolean wildcard = nodeNameTest.isWildcard();
String testName = nodeNameTest.getNodeName().getName();
String testPrefix = nodeNameTest.getNodeName().getPrefix();
if ( wildcard && testPrefix == null )
{
return true;
}
if ( wildcard || testName.equals( nodeName ) )
{
return StringUtils.isEmpty( namespaceURI ) || StringUtils.isEmpty( testPrefix );
}
return false;
}
if ( test instanceof NodeTypeTest )
{
switch ( ( (NodeTypeTest) test ).getNodeType() )
{
case Compiler.NODE_TYPE_NODE:
return true;
case Compiler.NODE_TYPE_TEXT:
return node.getValue() != null;
default:
return false;
}
}
return false;
}
}
|
