| // Copyright 2007, 2008 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.internal.services; |
| |
| import org.apache.tapestry.services.Cookies; |
| import org.apache.tapestry.services.PersistentLocale; |
| |
| import java.util.Locale; |
| |
| public class PersistentLocaleImpl implements PersistentLocale |
| { |
| /** |
| * Name of the cookie written to the client web browser to identify the locale. |
| */ |
| private static final String LOCALE_COOKIE_NAME = "org.apache.tapestry.locale"; |
| |
| private final Cookies cookieSource; |
| |
| public PersistentLocaleImpl(Cookies cookieSource) |
| { |
| this.cookieSource = cookieSource; |
| } |
| |
| public void set(Locale locale) |
| { |
| cookieSource.writeCookieValue(LOCALE_COOKIE_NAME, locale.toString()); |
| } |
| |
| public Locale get() |
| { |
| String localeCookieValue = getCookieValue(); |
| |
| return localeCookieValue != null ? new Locale(localeCookieValue) : null; |
| } |
| |
| private String getCookieValue() |
| { |
| return cookieSource.readCookieValue(LOCALE_COOKIE_NAME); |
| } |
| |
| public boolean isSet() |
| { |
| return getCookieValue() != null; |
| } |
| |
| } |