org.springframework.web.servlet.i18n.AbstractLocaleContextResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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
*
* https://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 java.util.TimeZone;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.i18n.SimpleLocaleContext;
import org.springframework.lang.Nullable;
import org.springframework.web.servlet.LocaleContextResolver;
/**
* Abstract base class for {@link LocaleContextResolver} implementations.
* Provides support for a default locale and a default time zone.
*
* Also provides pre-implemented versions of {@link #resolveLocale} and {@link #setLocale},
* delegating to {@link #resolveLocaleContext} and {@link #setLocaleContext}.
*
* @author Juergen Hoeller
* @since 4.0
* @see #setDefaultLocale
* @see #setDefaultTimeZone
*/
public abstract class AbstractLocaleContextResolver extends AbstractLocaleResolver implements LocaleContextResolver {
@Nullable
private TimeZone defaultTimeZone;
/**
* Set a default TimeZone that this resolver will return if no other time zone found.
*/
public void setDefaultTimeZone(@Nullable TimeZone defaultTimeZone) {
this.defaultTimeZone = defaultTimeZone;
}
/**
* Return the default TimeZone that this resolver is supposed to fall back to, if any.
*/
@Nullable
public TimeZone getDefaultTimeZone() {
return this.defaultTimeZone;
}
@Override
public Locale resolveLocale(HttpServletRequest request) {
Locale locale = resolveLocaleContext(request).getLocale();
return (locale != null ? locale : request.getLocale());
}
@Override
public void setLocale(HttpServletRequest request, @Nullable HttpServletResponse response, @Nullable Locale locale) {
setLocaleContext(request, response, (locale != null ? new SimpleLocaleContext(locale) : null));
}
}