/*
* @(#)$Id: DOM2SAX.java,v 1.8 2001/10/08 14:11:31 morten Exp $
*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Sun
* Microsystems., http://www.sun.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* @author G. Todd Miller
*
*/
package org.apache.xalan.xsltc.trax;
import org.xml.sax.XMLReader;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.Locator;
import org.xml.sax.ErrorHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
import org.w3c.dom.Node;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import java.io.IOException;
import org.w3c.dom.Entity;
import org.w3c.dom.Notation;
import org.apache.xalan.xsltc.runtime.AttributeList;
class DOM2SAX implements XMLReader , Locator {
private Document _dom = null;
private ContentHandler _sax = null;
public DOM2SAX(Node root) {
_dom = (Document)root;
}
public ContentHandler getContentHandler() {
return _sax;
}
public DTDHandler getDTDHandler() {
return null;
}
public ErrorHandler getErrorHandler() {
return null;
}
public boolean getFeature(String name) throws SAXNotRecognizedException,
SAXNotSupportedException
{
return false;
}
public void setFeature(String name, boolean value) throws
SAXNotRecognizedException, SAXNotSupportedException
{
}
public void parse(InputSource unused) throws IOException, SAXException {
Node currNode = _dom;
parse(currNode);
}
private void parse(Node node) throws IOException, SAXException {
Node first = null;
if (node == null ) return;
switch (node.getNodeType()) {
case Node.ATTRIBUTE_NODE: // handled by ELEMENT_NODE
case Node.COMMENT_NODE: // should be handled!!!
case Node.CDATA_SECTION_NODE:
case Node.DOCUMENT_FRAGMENT_NODE:
case Node.DOCUMENT_TYPE_NODE :
case Node.ENTITY_NODE :
case Node.ENTITY_REFERENCE_NODE:
case Node.NOTATION_NODE :
// These node types are ignored!!!
break;
case Node.DOCUMENT_NODE:
_sax.setDocumentLocator(this);
_sax.startDocument();
Node next = node.getFirstChild();
while (next != null) {
parse(next);
next = next.getNextSibling();
}
_sax.endDocument();
break;
case Node.ELEMENT_NODE:
// Gather all attribute node of the element
AttributeList attrs = new AttributeList();
NamedNodeMap map = node.getAttributes();
int length = map.getLength();
for (int i=0; i<length; i++ ) {
Node attr = map.item(i);
attrs.add(attr.getNodeName(), attr.getNodeValue());
}
// Generate SAX event to start element
_sax.startElement(node.getNamespaceURI(), node.getLocalName(),
node.getNodeName(), attrs);
// Traverse all child nodes of the element (if any)
next = node.getFirstChild();
while ( next != null ) {
parse(next);
next = next.getNextSibling();
}
// Generate SAX event to close element
_sax.endElement(node.getNamespaceURI(),
node.getLocalName(), node.getNodeName());
break;
case Node.PROCESSING_INSTRUCTION_NODE:
_sax.processingInstruction(node.getNodeName(),
node.getNodeValue());
break;
case Node.TEXT_NODE:
final String data = node.getNodeValue();
_sax.characters(data.toCharArray(), 0, data.length());
break;
}
}
public void parse(String sysId) throws IOException, SAXException {
throw new IOException("This method is not yet implemented.");
}
public void setContentHandler(ContentHandler handler) throws
NullPointerException
{
if (handler == null ) throw new NullPointerException();
_sax = handler;
}
public void setDTDHandler(DTDHandler handler) throws NullPointerException {
if (handler == null ) throw new NullPointerException();
}
public void setEntityResolver(EntityResolver resolver) throws
NullPointerException
{
if (resolver == null ) throw new NullPointerException();
}
public EntityResolver getEntityResolver() {
return null;
}
public void setErrorHandler(ErrorHandler handler) throws
NullPointerException
{
if (handler == null ) throw new NullPointerException();
}
public void setProperty(String name, Object value) throws
SAXNotRecognizedException, SAXNotSupportedException {
}
public Object getProperty(String name) throws SAXNotRecognizedException,
SAXNotSupportedException
{
return null;
}
// Locator methods
public int getColumnNumber() { return 0; }
public int getLineNumber() { return 0; }
public String getPublicId() { return null; }
public String getSystemId() { return null; }
// private
private String getNodeTypeFromCode(short code) {
String retval = null;
switch (code) {
case Node.ATTRIBUTE_NODE :
retval = "ATTRIBUTE_NODE"; break;
case Node.CDATA_SECTION_NODE :
retval = "CDATA_SECTION_NODE"; break;
case Node.COMMENT_NODE :
retval = "COMMENT_NODE"; break;
case Node.DOCUMENT_FRAGMENT_NODE :
retval = "DOCUMENT_FRAGMENT_NODE"; break;
case Node.DOCUMENT_NODE :
retval = "DOCUMENT_NODE"; break;
case Node.DOCUMENT_TYPE_NODE :
retval = "DOCUMENT_TYPE_NODE"; break;
case Node.ELEMENT_NODE :
retval = "ELEMENT_NODE"; break;
case Node.ENTITY_NODE :
retval = "ENTITY_NODE"; break;
case Node.ENTITY_REFERENCE_NODE :
retval = "ENTITY_REFERENCE_NODE"; break;
case Node.NOTATION_NODE :
retval = "NOTATION_NODE"; break;
case Node.PROCESSING_INSTRUCTION_NODE :
retval = "PROCESSING_INSTRUCTION_NODE"; break;
case Node.TEXT_NODE:
retval = "TEXT_NODE"; break;
}
return retval;
}
}