Thu, 12 Oct 2017 19:44:07 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | /** |
aoqi@0 | 27 | * |
aoqi@0 | 28 | * @author SAAJ RI Development Team |
aoqi@0 | 29 | */ |
aoqi@0 | 30 | package com.sun.xml.internal.messaging.saaj.util; |
aoqi@0 | 31 | |
aoqi@0 | 32 | import java.util.Iterator; |
aoqi@0 | 33 | import java.util.NoSuchElementException; |
aoqi@0 | 34 | |
aoqi@0 | 35 | import org.w3c.dom.*; |
aoqi@0 | 36 | |
aoqi@0 | 37 | public class NamespaceContextIterator implements Iterator { |
aoqi@0 | 38 | Node context; |
aoqi@0 | 39 | NamedNodeMap attributes = null; |
aoqi@0 | 40 | int attributesLength; |
aoqi@0 | 41 | int attributeIndex; |
aoqi@0 | 42 | Attr next = null; |
aoqi@0 | 43 | Attr last = null; |
aoqi@0 | 44 | boolean traverseStack = true; |
aoqi@0 | 45 | |
aoqi@0 | 46 | public NamespaceContextIterator(Node context) { |
aoqi@0 | 47 | this.context = context; |
aoqi@0 | 48 | findContextAttributes(); |
aoqi@0 | 49 | } |
aoqi@0 | 50 | |
aoqi@0 | 51 | public NamespaceContextIterator(Node context, boolean traverseStack) { |
aoqi@0 | 52 | this(context); |
aoqi@0 | 53 | this.traverseStack = traverseStack; |
aoqi@0 | 54 | } |
aoqi@0 | 55 | |
aoqi@0 | 56 | protected void findContextAttributes() { |
aoqi@0 | 57 | while (context != null) { |
aoqi@0 | 58 | int type = context.getNodeType(); |
aoqi@0 | 59 | if (type == Node.ELEMENT_NODE) { |
aoqi@0 | 60 | attributes = context.getAttributes(); |
aoqi@0 | 61 | attributesLength = attributes.getLength(); |
aoqi@0 | 62 | attributeIndex = 0; |
aoqi@0 | 63 | return; |
aoqi@0 | 64 | } else { |
aoqi@0 | 65 | context = null; |
aoqi@0 | 66 | } |
aoqi@0 | 67 | } |
aoqi@0 | 68 | } |
aoqi@0 | 69 | |
aoqi@0 | 70 | protected void findNext() { |
aoqi@0 | 71 | while (next == null && context != null) { |
aoqi@0 | 72 | for (; attributeIndex < attributesLength; ++attributeIndex) { |
aoqi@0 | 73 | Node currentAttribute = attributes.item(attributeIndex); |
aoqi@0 | 74 | String attributeName = currentAttribute.getNodeName(); |
aoqi@0 | 75 | if (attributeName.startsWith("xmlns") |
aoqi@0 | 76 | && (attributeName.length() == 5 |
aoqi@0 | 77 | || attributeName.charAt(5) == ':')) { |
aoqi@0 | 78 | next = (Attr) currentAttribute; |
aoqi@0 | 79 | ++attributeIndex; |
aoqi@0 | 80 | return; |
aoqi@0 | 81 | } |
aoqi@0 | 82 | } |
aoqi@0 | 83 | if (traverseStack) { |
aoqi@0 | 84 | context = context.getParentNode(); |
aoqi@0 | 85 | findContextAttributes(); |
aoqi@0 | 86 | } else { |
aoqi@0 | 87 | context = null; |
aoqi@0 | 88 | } |
aoqi@0 | 89 | } |
aoqi@0 | 90 | } |
aoqi@0 | 91 | |
aoqi@0 | 92 | public boolean hasNext() { |
aoqi@0 | 93 | findNext(); |
aoqi@0 | 94 | return next != null; |
aoqi@0 | 95 | } |
aoqi@0 | 96 | |
aoqi@0 | 97 | public Object next() { |
aoqi@0 | 98 | return getNext(); |
aoqi@0 | 99 | } |
aoqi@0 | 100 | |
aoqi@0 | 101 | public Attr nextNamespaceAttr() { |
aoqi@0 | 102 | return getNext(); |
aoqi@0 | 103 | } |
aoqi@0 | 104 | |
aoqi@0 | 105 | protected Attr getNext() { |
aoqi@0 | 106 | findNext(); |
aoqi@0 | 107 | if (next == null) { |
aoqi@0 | 108 | throw new NoSuchElementException(); |
aoqi@0 | 109 | } |
aoqi@0 | 110 | last = next; |
aoqi@0 | 111 | next = null; |
aoqi@0 | 112 | return last; |
aoqi@0 | 113 | } |
aoqi@0 | 114 | |
aoqi@0 | 115 | public void remove() { |
aoqi@0 | 116 | if (last == null) { |
aoqi@0 | 117 | throw new IllegalStateException(); |
aoqi@0 | 118 | } |
aoqi@0 | 119 | ((Element) context).removeAttributeNode(last); |
aoqi@0 | 120 | } |
aoqi@0 | 121 | |
aoqi@0 | 122 | } |