1
2 /*
3 * SmartCrawler
4 *
5 * $Id: DefaultLinkFilter.java,v 1.6 2005/08/05 13:51:00 vincool Exp $
6 * Copyright 2005 Davide Pozza
7 *
8 * This program is free software; you can redistribute it
9 * and/or modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation;
11 * either version 2 of the License, or (at your option) any
12 * later version.
13 *
14 * This program is distributed in the hope that it will be
15 * useful, but WITHOUT ANY WARRANTY; without even the implied
16 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
17 * PURPOSE. See the GNU General Public License for more
18 * details.
19 *
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the Free
22 * Software Foundation, Inc., 59 Temple Place, Suite 330,
23 * Boston, MA 02111-1307 USA
24 *
25 */
26
27 package org.smartcrawler.filter;
28 import org.apache.log4j.Logger;
29 import org.smartcrawler.common.Context;
30 import org.smartcrawler.common.Link;
31 import org.smartcrawler.common.SCLogger;
32
33
34 /***
35 *
36 *
37 * @author <a href="mailto:pozzad@alice.it">Davide Pozza</a>
38 * @version <tt>$Revision: 1.6 $</tt>
39 */
40 public class DefaultLinkFilter implements PrecFilterLink {
41
42 private static Logger log = SCLogger.getLogger(DefaultLinkFilter.class);
43
44 /***
45 *
46 * @param link
47 * @return
48 */
49 public boolean isPermitted(Context conf, Link link) {
50 log.debug("isPermitted() BEGIN");
51 String hostname = conf.getInitialLink().getHost();
52 boolean res = true;
53 if (hostname != null) {
54 res = link.toString().indexOf(hostname) >= 0;
55 }
56 log.debug("Checking link: " + link.toString()
57 + " VS " + hostname + " res="+res);
58 log.debug("isPermitted() END");
59 return res;
60 }
61 }