/*

  * 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.

  */

 package org.apache.any23.extractor;

 import java.io.PrintStream;

 import java.io.PrintWriter;

 /**

  * Defines a specific exception raised during the metadata extraction phase.

  *

  * @author Michele Mostarda (michele.mostarda@gmail.com)

  */

 public class ExtractionException extends Exception {

     private ExtractionResult extractionResult;

     public ExtractionException(String message) {

         super(message);

     }

     public ExtractionException(String message, Throwable cause) {

         super(message, cause);

     }

     public ExtractionException(String message, Throwable cause, ExtractionResult er) {

         super(message, cause);

         extractionResult = er;

     }

     @Override

     public void printStackTrace(PrintStream ps) {

         printExceptionResult( new PrintWriter(ps) );

         super.printStackTrace(ps);

     }

     @Override

     public void printStackTrace(PrintWriter pw) {

         printExceptionResult(pw);

         super.printStackTrace(pw);

     }

     private void printExceptionResult(PrintWriter ps) {

         if(extractionResult == null) {

             return;

         }

         ps.println();

         ps.println("------------ BEGIN Exception context ------------");

         ps.print( extractionResult.toString() );

         ps.println("------------ END   Exception context ------------");

         ps.println();

         ps.flush();

     }

 }