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.Locale;
37: import java.util.regex.Pattern;
38:
39: /**
40: * A rewrite condition that passes if the value of the Locale matches
41: * a regexp.
42: */
43: public class LocaleCondition extends AbstractCondition {
44: private static final L10N L = new L10N(LocaleCondition.class);
45:
46: private final Pattern _regexp;
47: private boolean _sendVary = true;
48:
49: LocaleCondition(String regexp) {
50: _regexp = Pattern.compile(regexp, Pattern.CASE_INSENSITIVE);
51: }
52:
53: public String getTagName() {
54: return "locale";
55: }
56:
57: public void setSendVary(boolean sendVary) {
58: _sendVary = sendVary;
59: }
60:
61: public boolean isMatch(HttpServletRequest request,
62: HttpServletResponse response) {
63: if (_sendVary)
64: addHeaderValue(response, "Vary", "Accept-Language");
65:
66: Locale locale = request.getLocale();
67:
68: if (locale == null)
69: return false;
70: else
71: return _regexp.matcher(locale.toString()).find();
72: }
73: }
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