/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999, 2000 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 "Xerces" 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) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package dom.wrappers;
import java.io.IOException;
import dom.DOMParserWrapper;
import org.w3c.dom.Document;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import com.knowgate.debug.DebugFile;
/**
* Wraps the Xerces DOM parser and extends NonValidatingDOMParser
* @version 2.1
*/
public class DOMParser
implements DOMParserWrapper, ErrorHandler {
/** Parser. */
org.apache.xerces.parsers.DOMParser parser = new org.apache.xerces.parsers.DOMParser();
//
// Constructors
//
/** Default constructor. */
public DOMParser() {
try {
parser.setFeature( "http://xml.org/sax/features/validation", true);
} catch (SAXException e) {
if (DebugFile.trace) DebugFile.writeln("DOMParser.<init> error in setting up parser feature http://xml.org/sax/features/validation");
}
parser.setErrorHandler(this);
}
//
// DOMParserWrapper methods
//
/**
* Parses the specified URI and returns the document.
* @param uri File uri
* @throws IOException
* @throws SAXException
*/
public Document parse(String uri)
throws IOException, SAXException {
parser.parse(uri);
return parser.getDocument();
} // parse(String):Document
/**
* Parses the specified InputSource and returns the document.
* @param saxsource org.xml.sax.InputSource
* @throws IOException
* @throws SAXException
*/
public Document parse(org.xml.sax.InputSource saxsource)
throws IOException, SAXException {
parser.parse(saxsource);
return parser.getDocument();
} // parse(String):Document
/**
*
* @param featureId
* @param state
* @throws SAXNotRecognizedException
* @throws SAXNotSupportedException
*/
public void setFeature(String featureId, boolean state)
throws SAXNotRecognizedException, SAXNotSupportedException {
parser.setFeature( featureId, state );
}
//
// ErrorHandler methods
//
/** Warning. */
public void warning(SAXParseException ex) {
DebugFile.writeln("[Warning] "+ getLocationString(ex)+": "+ ex.getMessage());
}
/** Error. */
public void error(SAXParseException ex) {
DebugFile.writeln("[Error] "+ getLocationString(ex)+": "+ ex.getMessage());
}
/** Fatal error. */
public void fatalError(SAXParseException ex) throws SAXException {
DebugFile.writeln("[Fatal Error] "+ getLocationString(ex)+": "+ ex.getMessage());
throw ex;
}
//
// Private methods
//
/** Returns a string of the location. */
private String getLocationString(SAXParseException ex) {
StringBuffer str = new StringBuffer();
String systemId = ex.getSystemId();
if (systemId != null) {
int index = systemId.lastIndexOf('/');
if (index != -1)
systemId = systemId.substring(index + 1);
str.append(systemId);
}
str.append(':');
str.append(ex.getLineNumber());
str.append(':');
str.append(ex.getColumnNumber());
return str.toString();
} // getLocationString(SAXParseException):String
public DocumentInfo getDocumentInfo() {
return null;
}
} // class DOMParser