01: /* NotSurtPrefixedDecideRule
02: *
03: * $Id: NotSurtPrefixedDecideRule.java 4649 2006-09-25 17:16:55Z paul_jack $
04: *
05: * Created on Apr 5, 2005
06: *
07: * Copyright (C) 2005 Internet Archive.
08: *
09: * 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.crawler.deciderules;
26:
27: /**
28: * Rule applies configured decision to any URIs that, when
29: * expressed in SURT form, do *not* begin with one of the prefixes
30: * in the configured set.
31: *
32: * The set can be filled with SURT prefixes implied or
33: * listed in the seeds file, or another external file.
34: *
35: * @author gojomo
36: */
37: public class NotSurtPrefixedDecideRule extends SurtPrefixedDecideRule {
38:
39: private static final long serialVersionUID = -7491388438128566377L;
40:
41: //private static final Logger logger =
42: // Logger.getLogger(NotSurtPrefixedDecideRule.class.getName());
43: /**
44: * Usual constructor.
45: * @param name
46: */
47: public NotSurtPrefixedDecideRule(String name) {
48: super (name);
49: setDescription("NotSurtPrefixedDecideRule. Makes the configured decision "
50: + "for any URI which, when expressed in SURT form, does *not* "
51: + "begin with the established prefixes (from either seeds "
52: + "specification or an external file).");
53: }
54:
55: /**
56: * Evaluate whether given object's URI is NOT in the SURT
57: * prefix set -- simply reverse superclass's determination
58: *
59: * @param object
60: * @return true if regexp is matched
61: */
62: protected boolean evaluate(Object object) {
63: return !super.evaluate(object);
64: }
65: }
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