package net.sf.saxon;
import net.sf.saxon.expr.ExpressionLocation;
import net.sf.saxon.trans.SaxonErrorCode;
import net.sf.saxon.trans.XPathException;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import javax.xml.transform.ErrorListener;
import javax.xml.transform.TransformerException;
import java.io.PrintWriter;
import java.io.Writer;
public class StandardErrorHandler implements org.xml.sax.ErrorHandler {
////////////////////////////////////////////////////////////////////////////
// Implement the org.xml.sax.ErrorHandler interface.
////////////////////////////////////////////////////////////////////////////
private ErrorListener errorListener;
private Writer errorOutput;
private int warningCount = 0;
private int errorCount = 0;
private int fatalErrorCount = 0;
public StandardErrorHandler(ErrorListener listener) {
errorListener = listener;
}
/**
* Set output for error messages produced by the default error handler.
* The default error handler does not throw an exception
* for parse errors or input I/O errors, rather it returns a result code and
* writes diagnostics to a user-specified output writer, which defaults to
* System.err<BR>
* This call has no effect if setErrorHandler() has been called to supply a
* user-defined error handler
* @param writer The Writer to use for error messages
*/
public void setErrorOutput(Writer writer) {
errorOutput = writer;
}
/**
* Callback interface for SAX: not for application use
*/
public void warning (SAXParseException e) {
if (errorListener != null) {
try {
warningCount++;
errorListener.warning(new TransformerException(e));
} catch (Exception err) {}
}
}
/**
* Callback interface for SAX: not for application use
*/
public void error (SAXParseException e) throws SAXException {
//System.err.println("ErrorHandler.error " + e.getMessage());
errorCount++;
reportError(e, false);
}
/**
* Callback interface for SAX: not for application use
*/
public void fatalError (SAXParseException e) throws SAXException {
//System.err.println("ErrorHandler.fatalError " + e.getMessage());
fatalErrorCount++;
reportError(e, true);
throw e;
}
/**
* Common routine for SAX errors and fatal errors
*/
protected void reportError (SAXParseException e, boolean isFatal) {
if (errorListener != null) {
try {
ExpressionLocation loc =
new ExpressionLocation(e.getSystemId(), e.getLineNumber(), e.getColumnNumber());
XPathException err = new XPathException("Error reported by XML parser", loc, e);
err.setErrorCode(SaxonErrorCode.SXXP0003);
if (isFatal) {
errorListener.fatalError(err);
} else {
errorListener.error(err);
}
} catch (Exception err) {}
} else {
try {
if (errorOutput == null) {
errorOutput = new PrintWriter(System.err);
}
String errcat = (isFatal ? "Fatal error" : "Error");
errorOutput.write(errcat + " reported by XML parser: " + e.getMessage() + '\n');
errorOutput.write(" URL: " + e.getSystemId() + '\n');
errorOutput.write(" Line: " + e.getLineNumber() + '\n');
errorOutput.write(" Column: " + e.getColumnNumber() + '\n');
errorOutput.flush();
} catch (Exception e2) {
System.err.println(e);
System.err.println(e2);
e2.printStackTrace();
}
}
}
/**
* Return the number of warnings (including warnings) reported
* @return the number of warnings
*/
public int getWarningCount() {
return warningCount;
}
/**
* Return the number of errors reported
* @return the number of non-fatal errors
*/
public int getErrorCount() {
return errorCount;
}
/**
* Return the number of fatal errors reported
* @return the number of fatal errors
*/
public int getFatalErrorCount() {
return fatalErrorCount;
}
}
//
// The contents of this file are subject to the Mozilla Public License Version 1.0 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is Michael H. Kay.
//
// Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
// Contributor(s): none.
//