/**
 * $Id: $
 * $Date: $
 *
 */

package org.xmlsh.sh.shell;

import javax.xml.transform.ErrorListener;
import javax.xml.transform.TransformerException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class XmlshErrorListener implements ErrorListener {
  private Logger mLogger = LogManager.getLogger();

  private String formatError(TransformerException e, boolean isFatal) {
    StringBuffer sb = new StringBuffer();
    String errcat = (isFatal ? "Fatal error" : "Error");
    sb.append(errcat + " reported by XML parser: " + e.getMessage() + '\n');
    if(e.getLocator() != null) {
      sb.append("  URL:    " + e.getLocator().getSystemId() + '\n');
      sb.append("  Line:   " + e.getLocator().getLineNumber() + '\n');
      sb.append("  Column: " + e.getLocator().getColumnNumber() + '\n');
    }
    return sb.toString();
  }

  @Override
  public void warning(TransformerException e) throws TransformerException {
    mLogger.warn(formatError(e, false));

  }

  @Override
  public void error(TransformerException e) throws TransformerException {
    mLogger.error(formatError(e, false));

  }

  @Override
  public void fatalError(TransformerException e) throws TransformerException {
    mLogger.error(formatError(e, true));
  }

}

//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php
//
// 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 David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//