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/*******************************************************************************
* Copyright (c) 2002 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Jens Lukowski/Innoopract - initial renaming/restructuring
*
*******************************************************************************/
package org.eclipse.wst.xml.core.internal.contentmodel.util;
import org.w3c.dom.Attr;
import org.w3c.dom.CDATASection;
import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;
import org.w3c.dom.Text;
// todo.. move this class to another package (perhaps xmlutility)
//
public class DOMVisitor
{
public void visitNode(Node node)
{
switch (node.getNodeType())
{
case Node.ATTRIBUTE_NODE :
{
visitAttr((Attr)node);
break;
}
case Node.CDATA_SECTION_NODE :
{
visitCDATASection((CDATASection)node);
break;
}
case Node.COMMENT_NODE :
{
visitComment((Comment)node);
break;
}
case Node.DOCUMENT_NODE :
{
visitDocument((Document)node);
break;
}
case Node.DOCUMENT_TYPE_NODE :
{
visitDocumentType((DocumentType)node);
break;
}
case Node.ELEMENT_NODE :
{
visitElement((Element)node);
break;
}
case Node.PROCESSING_INSTRUCTION_NODE :
{
visitProcessingInstruction((ProcessingInstruction)node);
break;
}
case Node.TEXT_NODE :
{
visitText((Text)node);
break;
}
}
}
protected void visitDocument(Document document)
{
visitChildNodesHelper(document);
}
protected void visitDocumentType(DocumentType doctype)
{
}
protected void visitElement(Element element)
{
visitAttributesHelper(element);
visitChildNodesHelper(element);
}
public void visitAttr(Attr attr)
{
}
protected void visitText(Text text)
{
}
protected void visitCDATASection(CDATASection cdataSection)
{
}
protected void visitComment(Comment comment)
{
}
protected void visitProcessingInstruction(ProcessingInstruction pi)
{
}
protected void visitChildNodesHelper(Node node)
{
NodeList children = node.getChildNodes();
for (int i = 0; i < children.getLength(); i++)
{
visitNode(children.item(i));
}
}
protected void visitAttributesHelper(Node node)
{
NamedNodeMap map = node.getAttributes();
for (int i = 0; i < map.getLength(); i++ )
{
visitNode(map.item(i));
}
}
}
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