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/*
* Copyright 1999, 2000,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dom.wrappers;
import dom.ParserWrapper;
import org.apache.xerces.dom.TextImpl;
import org.apache.xerces.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Text;
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;
/**
* Wraps the Xerces DOM parser.
*
* @version $Id: Xerces.java 319809 2004-02-24 23:52:54Z mrglavas $
*/
public class Xerces
implements ParserWrapper, ParserWrapper.DocumentInfo, ErrorHandler {
//
// Data
//
/** Parser. */
protected DOMParser parser = new DOMParser();
//
// Constructors
//
/** Default constructor. */
public Xerces() {
parser.setErrorHandler(this);
} // <init>()
//
// ParserWrapper methods
//
/** Parses the specified URI and returns the document. */
public Document parse(String uri) throws Exception {
parser.parse(uri);
return parser.getDocument();
} // parse(String):Document
/** Sets a feature. */
public void setFeature(String featureId, boolean state)
throws SAXNotRecognizedException, SAXNotSupportedException {
parser.setFeature(featureId, state);
} // setFeature(String,boolean)
/** Returns the document information. */
public ParserWrapper.DocumentInfo getDocumentInfo() {
return this;
} // getDocumentInfo():DocumentInfo
//
// DocumentInfo methods
//
/**
* Returns true if the specified text node is ignorable whitespace.
*/
public boolean isIgnorableWhitespace(Text text) {
return ((TextImpl)text).isIgnorableWhitespace();
}
//
// ErrorHandler methods
//
/** Warning. */
public void warning(SAXParseException ex) throws SAXException {
printError("Warning", ex);
} // warning(SAXParseException)
/** Error. */
public void error(SAXParseException ex) throws SAXException {
printError("Error", ex);
} // error(SAXParseException)
/** Fatal error. */
public void fatalError(SAXParseException ex) throws SAXException {
printError("Fatal Error", ex);
throw ex;
} // fatalError(SAXParseException)
//
// Protected methods
//
/** Prints the error message. */
protected void printError(String type, SAXParseException ex) {
System.err.print("[");
System.err.print(type);
System.err.print("] ");
String systemId = ex.getSystemId();
if (systemId != null) {
int index = systemId.lastIndexOf('/');
if (index != -1)
systemId = systemId.substring(index + 1);
System.err.print(systemId);
}
System.err.print(':');
System.err.print(ex.getLineNumber());
System.err.print(':');
System.err.print(ex.getColumnNumber());
System.err.print(": ");
System.err.print(ex.getMessage());
System.err.println();
System.err.flush();
} // printError(String,SAXParseException)
} // class Xerces
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