01: /*
02: * regain - A file search engine providing plenty of formats
03: * Copyright (C) 2004 Til Schneider
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *
19: * Contact: Til Schneider, info@murfman.de
20: *
21: * CVS information:
22: * $RCSfile$
23: * $Source$
24: * $Date: 2005-05-11 11:21:40 +0200 (Mi, 11 Mai 2005) $
25: * $Author: til132 $
26: * $Revision: 134 $
27: */
28: package net.sf.regain.crawler.config;
29:
30: /**
31: * A UrlMatcher that matches URLs that start with a certain prefix.
32: *
33: * @author Tilman Schneider, STZ-IDA an der FH Karlsruhe
34: */
35: public class PrefixUrlMatcher implements UrlMatcher {
36:
37: /** The prefix a URL must start with in order to be matched by this matcher. */
38: private String mUrlPrefix;
39:
40: /**
41: * Creates a new instance of PrefixUrlMatcher.
42: *
43: * @param urlPrefix The prefix a URL must start with to be matched by this
44: * matcher.
45: */
46: public PrefixUrlMatcher(String urlPrefix) {
47: mUrlPrefix = urlPrefix;
48: }
49:
50: /**
51: * Checks whether a URL matches to the rules of this matcher.
52: *
53: * @param url The URL to check.
54: * @return Whether the given URL matches to the rules of this matcher.
55: */
56: public boolean matches(String url) {
57: return url.startsWith(mUrlPrefix);
58: }
59:
60: /**
61: * Gets a String representation of this UrlMatcher.
62: */
63: public String toString() {
64: return mUrlPrefix;
65: }
66:
67: }
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