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SessionLocaleResolver.java
Upload User: jiancairen
Upload Date: 2007-08-27
Package Size: 26458k
Code Size: 2k
Category:
Java Develop
Development Platform:
Java
- /*
- * Copyright 2002-2004 the original author or authors.
- *
- * 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.springframework.web.servlet.i18n;
- import java.util.Locale;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import org.springframework.web.servlet.LocaleResolver;
- import org.springframework.web.util.WebUtils;
- /**
- * Implementation of LocaleResolver that uses a locale attribute in the user's
- * session in case of a custom setting, with a fallback to the accept header locale.
- * This is most appropriate if the application needs user sessions anyway.
- *
- * <p>Custom controllers can override the user's locale by calling
- * <code>setLocale</code>, e.g. responding to a locale change request.
- *
- * @author Juergen Hoeller
- * @since 27.02.2003
- * @see #setLocale
- */
- public class SessionLocaleResolver implements LocaleResolver {
- /**
- * Name of the session attribute that holds the locale.
- * Only used internally by this implementation.
- * Use <code>RequestContext(Utils).getLocale()</code>
- * to retrieve the current locale in controllers or views.
- * @see org.springframework.web.servlet.support.RequestContext#getLocale
- * @see org.springframework.web.servlet.support.RequestContextUtils#getLocale
- */
- public static final String LOCALE_SESSION_ATTRIBUTE_NAME = SessionLocaleResolver.class.getName() + ".LOCALE";
- public Locale resolveLocale(HttpServletRequest request) {
- Locale locale = (Locale) WebUtils.getSessionAttribute(request, LOCALE_SESSION_ATTRIBUTE_NAME);
- // specific locale, or fallback to accept header locale?
- return (locale != null ? locale : request.getLocale());
- }
- public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {
- WebUtils.setSessionAttribute(request, LOCALE_SESSION_ATTRIBUTE_NAME, locale);
- }
- }