01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Sam
28: */
29:
30: package com.caucho.server.rewrite;
31:
32: import com.caucho.util.L10N;
33:
34: import javax.servlet.http.HttpServletRequest;
35: import javax.servlet.http.HttpServletResponse;
36: import java.util.regex.Pattern;
37:
38: /**
39: * A rewrite condition that passes if the value of
40: * {@link javax.servlet.http.HttpServletRequest#getServerName()} matches a regexp.
41: * The match is always case-insensitive.
42: */
43: public class ServerNameCondition extends AbstractCondition {
44: private static final L10N L = new L10N(ServerNameCondition.class);
45:
46: private final Pattern _regexp;
47:
48: ServerNameCondition(String regexp) {
49: _regexp = Pattern.compile(regexp, Pattern.CASE_INSENSITIVE);
50: }
51:
52: public String getTagName() {
53: return "server-name";
54: }
55:
56: public boolean isMatch(HttpServletRequest request,
57: HttpServletResponse response) {
58: String serverName = request.getServerName();
59:
60: return serverName != null && _regexp.matcher(serverName).find();
61: }
62: }
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