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LocaleContextHolder allows for independent setting of Locale and TimeZone

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Issue: SPR-1528
This commit is contained in:
Juergen Hoeller
2013-11-01 22:41:31 +01:00
parent 1dc7ff8604
commit 7b2ac6d194
2 changed files with 220 additions and 8 deletions
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spring-context/src/test/java/org/springframework/context/i18n/LocaleContextHolderTests.java Normal file
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/*
* Copyright 2002-2013 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.context.i18n;
import java.util.Locale;
import java.util.TimeZone;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* @author Juergen Hoeller
*/
public class LocaleContextHolderTests {
@Test
public void testSetLocaleContext() {
LocaleContext lc = new SimpleLocaleContext(Locale.GERMAN);
LocaleContextHolder.setLocaleContext(lc);
assertSame(lc, LocaleContextHolder.getLocaleContext());
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
lc = new SimpleLocaleContext(Locale.GERMANY);
LocaleContextHolder.setLocaleContext(lc);
assertSame(lc, LocaleContextHolder.getLocaleContext());
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
LocaleContextHolder.resetLocaleContext();
assertNull(LocaleContextHolder.getLocaleContext());
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
}
@Test
public void testSetTimeZoneAwareLocaleContext() {
LocaleContext lc = new SimpleTimeZoneAwareLocaleContext(Locale.GERMANY, TimeZone.getTimeZone("GMT+1"));
LocaleContextHolder.setLocaleContext(lc);
assertSame(lc, LocaleContextHolder.getLocaleContext());
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), LocaleContextHolder.getTimeZone());
LocaleContextHolder.resetLocaleContext();
assertNull(LocaleContextHolder.getLocaleContext());
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
}
@Test
public void testSetLocale() {
LocaleContextHolder.setLocale(Locale.GERMAN);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertFalse(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocaleContext().getLocale());
LocaleContextHolder.setLocale(Locale.GERMANY);
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertFalse(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocaleContext().getLocale());
LocaleContextHolder.setLocale(null);
assertNull(LocaleContextHolder.getLocaleContext());
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
}
@Test
public void testSetTimeZone() {
LocaleContextHolder.setTimeZone(TimeZone.getTimeZone("GMT+1"));
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertNull(LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setTimeZone(TimeZone.getTimeZone("GMT+2"));
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertNull(LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setTimeZone(null);
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertNull(LocaleContextHolder.getLocaleContext());
}
@Test
public void testSetLocaleAndSetTimeZoneMixed() {
LocaleContextHolder.setLocale(Locale.GERMANY);
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertFalse(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocaleContext().getLocale());
LocaleContextHolder.setTimeZone(TimeZone.getTimeZone("GMT+1"));
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMANY, LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setLocale(Locale.GERMAN);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+1"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setTimeZone(null);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertFalse(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocaleContext().getLocale());
LocaleContextHolder.setTimeZone(TimeZone.getTimeZone("GMT+2"));
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertEquals(Locale.GERMAN, LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setLocale(null);
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), LocaleContextHolder.getTimeZone());
assertTrue(LocaleContextHolder.getLocaleContext() instanceof TimeZoneAwareLocaleContext);
assertNull(LocaleContextHolder.getLocaleContext().getLocale());
assertEquals(TimeZone.getTimeZone("GMT+2"), ((TimeZoneAwareLocaleContext) LocaleContextHolder.getLocaleContext()).getTimeZone());
LocaleContextHolder.setTimeZone(null);
assertEquals(Locale.getDefault(), LocaleContextHolder.getLocale());
assertEquals(TimeZone.getDefault(), LocaleContextHolder.getTimeZone());
assertNull(LocaleContextHolder.getLocaleContext());
}
}