ExtractErrorListener


1   /* ExtractErrorListener
2   *
3   * $Id: ExtractErrorListener.java,v 1.2 2005/07/18 17:30:19 stack-sf Exp $
4   *
5   * Created on Mar 17, 2005
6   *
7   * Copyright (C) 2005 Internet Archive.
8   *
9   * This file is part of the Heritrix web crawler (crawler.archive.org).
10  *
11  * Heritrix is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser Public License as published by
13  * the Free Software Foundation; either version 2.1 of the License, or
14  * any later version.
15  *
16  * Heritrix is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU Lesser Public License for more details.
20  *
21  * You should have received a copy of the GNU Lesser Public License
22  * along with Heritrix; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
24  */
25  package org.archive.extractor;
26  
27  import java.io.IOException  ;
28  
29  import org.archive.net.UURI;
30  
31  /**
32   * ExtractErrorListener receives exceptions that may need to be logged
33   * from inside a LinkExtractor, allowing the extraction to continue 
34   * without raising an exception through hasNext()/next()/nextLink().
35   *
36   * @author gojomo
37   */
38  public interface ExtractErrorListener {
39      /**
40       * Callback to report an extraction error.
41       * 
42       * @param ex
43       * @param source
44       * @param context
45       */
46      public void noteExtractError(IOException   ex, UURI source, CharSequence   context);
47  }
48

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