/*******************************************************************************
* Copyright (c) 2001, 2009 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
*******************************************************************************/
package org.eclipse.wst.wsdl.validation.internal.xml;
import org.apache.xerces.dom.ElementImpl;
import org.apache.xerces.parsers.DOMParser;
import org.apache.xerces.util.SymbolTable;
import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.NamespaceContext;
import org.apache.xerces.xni.QName;
import org.apache.xerces.xni.XMLAttributes;
import org.apache.xerces.xni.XMLLocator;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.grammars.XMLGrammarPool;
import org.apache.xerces.xni.parser.XMLParserConfiguration;
import org.w3c.dom.Element;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import com.ibm.wsdl.extensions.schema.SchemaConstants;
/**
* A DOM parser that will register location information with the elements in the model.
*/
public class LineNumberDOMParser extends DOMParser
{
XMLLocator locator = null;
/**
* Constructor.
*/
public LineNumberDOMParser()
{
super();
try
{
setFeature(DEFER_NODE_EXPANSION, false);
}
catch (SAXNotSupportedException e)
{
System.out.println(e);
}
catch (SAXNotRecognizedException e)
{
System.out.println(e);
}
}
/**
* Constuctor.
*
* @param arg0 The parser configuration.
*/
public LineNumberDOMParser(XMLParserConfiguration arg0)
{
super(arg0);
try
{
setFeature(DEFER_NODE_EXPANSION, false);
}
catch (SAXNotSupportedException e)
{
System.out.println(e);
}
catch (SAXNotRecognizedException e)
{
System.out.println(e);
}
}
/**
* Constructor.
*
* @param arg0 A symbol table for the parser.
*/
public LineNumberDOMParser(SymbolTable arg0)
{
super(arg0);
}
/**
* Constructor.
*
* @param arg0 A symbol table for the parser.
* @param arg1 A grammar pool for the parser.
*/
public LineNumberDOMParser(SymbolTable arg0, XMLGrammarPool arg1)
{
super(arg0, arg1);
}
/**
* @see org.apache.xerces.xni.XMLDocumentHandler#startElement(org.apache.xerces.xni.QName, org.apache.xerces.xni.XMLAttributes, org.apache.xerces.xni.Augmentations)
*/
public void startElement(QName arg0, XMLAttributes arg1, Augmentations arg2) throws XNIException
{
Element element;
// For elements from the Schema namespace we want to preserve them
// the way they were entered. Revert the values to the non-normalized values.
String ns = arg0.uri;
if(ns != null && (ns.equals(SchemaConstants.NS_URI_XSD_2001) || ns.equals(SchemaConstants.NS_URI_XSD_1999) || ns.equals(SchemaConstants.NS_URI_XSD_2000)))
{
int numatts = arg1.getLength();
for(int i = 0; i < numatts; i++)
{
String nonNormalizedValue = arg1.getNonNormalizedValue(i);
arg1.setValue(i, nonNormalizedValue);
}
}
super.startElement(arg0, arg1, arg2);
try
{
element = (Element)getProperty(CURRENT_ELEMENT_NODE);
ElementImpl elementImpl = (ElementImpl)element;
// Setting the user data with an identifier such as ElementLocation.KEY_NAME
// may be a long term good idea. The setUserData method with no id is used
// to support JVMs with alternate versions of Xerces.
elementImpl.setUserData(new ElementLocation(locator.getLineNumber(), locator.getColumnNumber()));
}
// catch SAXNotRecognizedException and SAXNotSupportedException if can't get element
catch (ClassCastException e)
{
//System.out.println(e);
}
catch (SAXNotRecognizedException e)
{
//System.out.println(e);
}
catch (SAXNotSupportedException e)
{
//System.out.println(e);
}
}
/**
* @see org.apache.xerces.xni.XMLDocumentHandler#startDocument(org.apache.xerces.xni.XMLLocator, java.lang.String, org.apache.xerces.xni.NamespaceContext, org.apache.xerces.xni.Augmentations)
*/
public void startDocument(XMLLocator arg0, String arg1, NamespaceContext arg2, Augmentations arg3)
throws XNIException
{
locator = arg0;
super.startDocument(arg0, arg1, arg2, arg3);
}
}