| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * |
| * @author SAAJ RI Development Team |
| */ |
| package com.sun.xml.internal.messaging.saaj.util; |
| |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| import org.w3c.dom.*; |
| |
| public class NamespaceContextIterator implements Iterator { |
| Node context; |
| NamedNodeMap attributes = null; |
| int attributesLength; |
| int attributeIndex; |
| Attr next = null; |
| Attr last = null; |
| boolean traverseStack = true; |
| |
| public NamespaceContextIterator(Node context) { |
| this.context = context; |
| findContextAttributes(); |
| } |
| |
| public NamespaceContextIterator(Node context, boolean traverseStack) { |
| this(context); |
| this.traverseStack = traverseStack; |
| } |
| |
| protected void findContextAttributes() { |
| while (context != null) { |
| int type = context.getNodeType(); |
| if (type == Node.ELEMENT_NODE) { |
| attributes = context.getAttributes(); |
| attributesLength = attributes.getLength(); |
| attributeIndex = 0; |
| return; |
| } else { |
| context = null; |
| } |
| } |
| } |
| |
| protected void findNext() { |
| while (next == null && context != null) { |
| for (; attributeIndex < attributesLength; ++attributeIndex) { |
| Node currentAttribute = attributes.item(attributeIndex); |
| String attributeName = currentAttribute.getNodeName(); |
| if (attributeName.startsWith("xmlns") |
| && (attributeName.length() == 5 |
| || attributeName.charAt(5) == ':')) { |
| next = (Attr) currentAttribute; |
| ++attributeIndex; |
| return; |
| } |
| } |
| if (traverseStack) { |
| context = context.getParentNode(); |
| findContextAttributes(); |
| } else { |
| context = null; |
| } |
| } |
| } |
| |
| public boolean hasNext() { |
| findNext(); |
| return next != null; |
| } |
| |
| public Object next() { |
| return getNext(); |
| } |
| |
| public Attr nextNamespaceAttr() { |
| return getNext(); |
| } |
| |
| protected Attr getNext() { |
| findNext(); |
| if (next == null) { |
| throw new NoSuchElementException(); |
| } |
| last = next; |
| next = null; |
| return last; |
| } |
| |
| public void remove() { |
| if (last == null) { |
| throw new IllegalStateException(); |
| } |
| ((Element) context).removeAttributeNode(last); |
| } |
| |
| } |