01: // Copyright 2006 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.internal.services;
16:
17: import java.io.IOException;
18:
19: import org.apache.tapestry.services.Request;
20: import org.apache.tapestry.services.RequestFilter;
21: import org.apache.tapestry.services.RequestHandler;
22: import org.apache.tapestry.services.Response;
23:
24: /**
25: * Responsible for determining the locale for the current request. Currently, this is based on the
26: * client's web browser. Later extensions will store the current locale as a cookie, or as a session
27: * attribute.
28: */
29: public class LocalizationFilter implements RequestFilter {
30: private final LocalizationSetter _setter;
31:
32: public LocalizationFilter(LocalizationSetter setter) {
33: _setter = setter;
34: }
35:
36: public boolean service(Request request, Response response,
37: RequestHandler handler) throws IOException {
38: _setter.setThreadLocale(request.getLocale());
39:
40: return handler.service(request, response);
41: }
42:
43: }
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