Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/NamespaceContextIterator.java

src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/NamespaceContextIterator.java

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1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /**
27 *
28 * @author SAAJ RI Development Team
29 */
30 package com.sun.xml.internal.messaging.saaj.util;
31
32 import java.util.Iterator;
33 import java.util.NoSuchElementException;
34
35 import org.w3c.dom.*;
36
37 public class NamespaceContextIterator implements Iterator {
38 Node context;
39 NamedNodeMap attributes = null;
40 int attributesLength;
41 int attributeIndex;
42 Attr next = null;
43 Attr last = null;
44 boolean traverseStack = true;
45
46 public NamespaceContextIterator(Node context) {
47 this.context = context;
48 findContextAttributes();
49 }
50
51 public NamespaceContextIterator(Node context, boolean traverseStack) {
52 this(context);
53 this.traverseStack = traverseStack;
54 }
55
56 protected void findContextAttributes() {
57 while (context != null) {
58 int type = context.getNodeType();
59 if (type == Node.ELEMENT_NODE) {
60 attributes = context.getAttributes();
61 attributesLength = attributes.getLength();
62 attributeIndex = 0;
63 return;
64 } else {
65 context = null;
66 }
67 }
68 }
69
70 protected void findNext() {
71 while (next == null && context != null) {
72 for (; attributeIndex < attributesLength; ++attributeIndex) {
73 Node currentAttribute = attributes.item(attributeIndex);
74 String attributeName = currentAttribute.getNodeName();
75 if (attributeName.startsWith("xmlns")
76 && (attributeName.length() == 5
77 || attributeName.charAt(5) == ':')) {
78 next = (Attr) currentAttribute;
79 ++attributeIndex;
80 return;
81 }
82 }
83 if (traverseStack) {
84 context = context.getParentNode();
85 findContextAttributes();
86 } else {
87 context = null;
88 }
89 }
90 }
91
92 public boolean hasNext() {
93 findNext();
94 return next != null;
95 }
96
97 public Object next() {
98 return getNext();
99 }
100
101 public Attr nextNamespaceAttr() {
102 return getNext();
103 }
104
105 protected Attr getNext() {
106 findNext();
107 if (next == null) {
108 throw new NoSuchElementException();
109 }
110 last = next;
111 next = null;
112 return last;
113 }
114
115 public void remove() {
116 if (last == null) {
117 throw new IllegalStateException();
118 }
119 ((Element) context).removeAttributeNode(last);
120 }
121
122 }

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