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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *  http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.any23.extractor;
19  
20  import java.io.OutputStreamWriter;
21  import java.io.PrintStream;
22  import java.io.PrintWriter;
23  import java.nio.charset.StandardCharsets;
24  
25  /**
26   * Defines a specific exception raised during the metadata extraction phase.
27   *
28   * @author Michele Mostarda (michele.mostarda@gmail.com)
29   */
30  public class ExtractionException extends Exception {
31  
32      private ExtractionResult extractionResult;
33  
34      public ExtractionException(String message) {
35          super(message);
36      }
37  
38      public ExtractionException(String message, Throwable cause) {
39          super(message, cause);
40      }
41  
42      public ExtractionException(String message, Throwable cause, ExtractionResult er) {
43          super(message, cause);
44          extractionResult = er;
45      }
46  
47      @Override
48      public void printStackTrace(PrintStream ps) {
49          printExceptionResult(new PrintWriter(new OutputStreamWriter(ps, StandardCharsets.UTF_8), true));
50          super.printStackTrace(ps);
51      }
52  
53      @Override
54      public void printStackTrace(PrintWriter pw) {
55          printExceptionResult(pw);
56          super.printStackTrace(pw);
57      }
58  
59      private void printExceptionResult(PrintWriter ps) {
60          if (extractionResult == null) {
61              return;
62          }
63          ps.println();
64          ps.println("------------ BEGIN Exception context ------------");
65          ps.print(extractionResult.toString());
66          ps.println("------------ END   Exception context ------------");
67          ps.println();
68          ps.flush();
69      }
70  }