01: /* RefinedScope
02: *
03: * $Id: RefinedScope.java 4651 2006-09-25 18:31:13Z paul_jack $
04: *
05: * Created on Jul 16, 2004
06: *
07: * Copyright (C) 2004 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.scope;
26:
27: import org.archive.crawler.framework.Filter;
28:
29: /**
30: * Superclass for Scopes which make use of "additional focus"
31: * to add items by pattern, or want to swap in alternative
32: * transitive filter.
33: *
34: * @author gojomo
35: */
36: public abstract class RefinedScope extends ClassicScope {
37: public static final String ATTR_TRANSITIVE_FILTER = "transitiveFilter";
38: public static final String ATTR_ADDITIONAL_FOCUS_FILTER = "additionalScopeFocus";
39:
40: Filter additionalFocusFilter;
41: Filter transitiveFilter;
42:
43: @SuppressWarnings("deprecation")
44: public RefinedScope(String name) {
45: super (name);
46:
47: this .additionalFocusFilter = (Filter) addElementToDefinition(new org.archive.crawler.filter.FilePatternFilter(
48: ATTR_ADDITIONAL_FOCUS_FILTER));
49: this .transitiveFilter = (Filter) addElementToDefinition(new org.archive.crawler.filter.TransclusionFilter(
50: ATTR_TRANSITIVE_FILTER));
51: }
52:
53: /**
54: * @param o
55: * @return True if transitive filter accepts passed object.
56: */
57: protected boolean transitiveAccepts(Object o) {
58: return this .transitiveFilter.accepts(o);
59: }
60:
61: protected boolean additionalFocusAccepts(Object o) {
62: return additionalFocusFilter.accepts(o);
63: }
64: }
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