01: /* NotOnHostsDecideRule
02: *
03: * $Id: NotOnHostsDecideRule.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
29: * are *not* on one of the hosts in the configured set of
30: * hosts, filled from the seed set.
31: *
32: * @author gojomo
33: */
34: public class NotOnHostsDecideRule extends OnHostsDecideRule {
35:
36: private static final long serialVersionUID = 1512825197255050412L;
37:
38: //private static final Logger logger =
39: // Logger.getLogger(NotOnHostsDecideRule.class.getName());
40: /**
41: * Usual constructor.
42: * @param name
43: */
44: public NotOnHostsDecideRule(String name) {
45: super (name);
46: setDescription("NotOnHostsDecideRule. Makes the configured decision "
47: + "for any URI which is *not* on one of the hosts in the "
48: + "configured set of hostnames (derived from the seed"
49: + "list).");
50: }
51:
52: /**
53: * Evaluate whether given object's URI is NOT in the set of
54: * hosts -- simply reverse superclass's determination
55: *
56: * @param object Object to evaluate
57: * @return true if URI not in set
58: */
59: protected boolean evaluate(Object object) {
60: boolean superDecision = super.evaluate(object);
61: return !superDecision;
62: }
63: }
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