/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.internal.sessions.factories; | |
import org.w3c.dom.*; | |
/** | |
* INTERNAL: | |
* <p> | |
* <b>Purpose</b>: This class is used to enumerate over the XML elements. This is because | |
* some parsers fail to ignore whitespaces and may include them as test elements. | |
* This enumerator will ensure that only NodeElements are returned. | |
* @since TopLink 4.0 | |
* @author Gordon Yorke | |
*/ | |
public class NodeListElementEnumerator { | |
protected int index; | |
protected NodeList list; | |
public NodeListElementEnumerator(NodeList list) { | |
this.index = 0; | |
this.list = list; | |
int length = list.getLength(); | |
while ((index < length) && (list.item(index).getNodeType() != Node.ELEMENT_NODE)) { | |
++this.index; | |
} | |
} | |
public boolean hasMoreNodes() { | |
return index < list.getLength(); | |
} | |
public Node nextNode() { | |
Node result = list.item(index); | |
++index; | |
int length = list.getLength(); | |
while ((index < length) && (list.item(index).getNodeType() != Node.ELEMENT_NODE)) { | |
++this.index; | |
} | |
return result; | |
} | |
} |