package org.apache.maven.plugin.changes.schema;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  import org.xml.sax.SAXParseException;
  import org.xml.sax.helpers.DefaultHandler;
  
  /**
   * @author <a href="mailto:olamy@apache.org">olamy</a>
   * @since 28 juil. 2008
   * @version $Id: XmlValidationHandler.html 816601 2012-05-08 12:50:18Z hboutemy $
   */
  public class XmlValidationHandler
      extends DefaultHandler
  {
     
      private boolean parsingError = false;
  
      private List<SAXParseException> errors = new ArrayList<SAXParseException>();
  
      private List<SAXParseException> fatalErrors = new ArrayList<SAXParseException>();
  
      private List<SAXParseException> warnings = new ArrayList<SAXParseException>();
  
      private boolean failOnValidationError;
  
      /**
       * see name
       */
      public XmlValidationHandler( boolean failOnValidationError )
      {
          this.failOnValidationError = failOnValidationError;
      }
  
      /**
       * @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException)
       */
      public void error( SAXParseException excp )
          throws SAXException
      {
          this.setErrorParsing( true );
          this.errors.add( excp );
          if ( this.failOnValidationError )
          {
              throw new SAXException( excp.getMessage(), excp );
          }
      }
  
      /**
       * @see org.xml.sax.ErrorHandler#fatalError(org.xml.sax.SAXParseException)
       */
      public void fatalError( SAXParseException excp )
          throws SAXException
      {
          this.fatalErrors.add( excp );
          if ( this.failOnValidationError )
          {
              throw new SAXException( excp.getMessage(), excp );
          }
      }
  
      /**
       * @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException)
       */
      public void warning( SAXParseException excp )
          throws SAXException
      {
          this.warnings.add( excp );
      }
  
      /**
       * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
       */
      public void startElement( String uri, String localName, String qName, Attributes attributes )
          throws SAXException
      {
          // nothing
     }
 
     /**
      * @return Returns the errorParsing.
      */
     public boolean isErrorParsing()
     {
         return this.parsingError;
     }
 
     /**
      * @param error The errorParsing to set.
      */
     public void setErrorParsing( boolean error )
     {
         this.parsingError = error;
     }
 
     public List<SAXParseException> getErrors()
     {
         return errors;
     }
 
     public void setErrors( List<SAXParseException> errors )
     {
         this.errors = errors;
     }
 
     public List<SAXParseException> getFatalErrors()
     {
         return fatalErrors;
     }
 
     public void setFatalErrors( List<SAXParseException> fatalErrors )
     {
         this.fatalErrors = fatalErrors;
     }
 
     public List<SAXParseException> getWarnings()
     {
         return warnings;
     }
 
     public void setWarnings( List<SAXParseException> warnings )
     {
         this.warnings = warnings;
     }
 }