PegadiErrorHandler.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * 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 org.pegadi.xml;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;


public class PegadiErrorHandler extends DefaultHandler {

    Logger log = LoggerFactory.getLogger(getClass());
    
    private SAXParseException saxe;
    
    private boolean validationError = false;

    /* (non-Javadoc)
     * @see org.xml.sax.helpers.DefaultHandler#error(org.xml.sax.SAXParseException)
     */
    public void error(SAXParseException arg0) throws SAXException {
         log.error("Error validating XML.");
         printInfo(arg0);
         this.saxe = arg0;
         setValidationError(true);
    }

    /* (non-Javadoc)
     * @see org.xml.sax.helpers.DefaultHandler#fatalError(org.xml.sax.SAXParseException)
   */
  public void fatalError(SAXParseException arg0) throws SAXException {
      log.error("Fatal Error validating XML");
      printInfo(arg0);
      this.saxe = arg0;
      setValidationError(true);
  }

  /* (non-Javadoc)
   * @see org.xml.sax.helpers.DefaultHandler#warning(org.xml.sax.SAXParseException)
   */
  public void warning(SAXParseException arg0) throws SAXException {
      log.warn("Warning validating XML");
      printInfo(arg0);
  }

  /* (non-Javadoc)
   * @see org.xml.sax.helpers.DefaultHandler#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)
   */
  public void startElement(String arg0, String arg1, String arg2, Attributes arg3) throws SAXException {
      log.debug("Start element: " + arg0);
      super.startElement(arg0, arg1, arg2, arg3);
  }

  /**
   * @return Returns the validationError.
   */
  public boolean isValidationError() {
      return validationError;
  }

  /**
   * @param validationError The validationError to set.
   */
  public void setValidationError(boolean validationError) {
      this.validationError = validationError;
  }
  
  
  private void printInfo(SAXParseException e) {
      //log.debug("   Public ID: "+e.getPublicId());
      //log.debug("   System ID: "+e.getSystemId());
      log.debug("   Line number: "+e.getLineNumber());
      log.debug("   Column number: "+e.getColumnNumber());
      log.debug("   Message: "+e.getMessage());
      //boolean environmentOK = (new EnvironmentCheck()).checkEnvironment (new PrintWriter(System.out));
   }

  
  
}