com.ibm.icu.impl.TimeZoneAdapter Maven / Gradle / Ivy
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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (c) 2003-2010, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Author: Alan Liu
* Created: October 2 2003
* Since: ICU 2.8
**********************************************************************
*/
package com.ibm.icu.impl;
import java.util.Date;
import com.ibm.icu.util.TimeZone;
/**
* TimeZoneAdapter wraps a com.ibm.icu.util.TimeZone
* subclass and inherits from java.util.TimeZone.
* Without this class, we would need to 'port' java.util.Date to
* com.ibm.icu.util as well, so that Date could interoperate properly
* with the com.ibm.icu.util TimeZone and Calendar classes. With this
* class, we can use java.util.Date together with com.ibm.icu.util
* classes.
*
* @see com.ibm.icu.util.TimeZone#setDefault
* @author Alan Liu
* @since ICU 2.8
*/
public class TimeZoneAdapter extends java.util.TimeZone {
// Generated by serialver from JDK 1.4.1_01
static final long serialVersionUID = -2040072218820018557L;
/**
* The contained com.ibm.icu.util.TimeZone object. Must not be null.
* We delegate all methods to this object.
*/
private TimeZone zone;
/**
* Given a java.util.TimeZone, wrap it in the appropriate adapter
* subclass of com.ibm.icu.util.TimeZone and return the adapter.
*/
public static java.util.TimeZone wrap(com.ibm.icu.util.TimeZone tz) {
return new TimeZoneAdapter(tz);
}
/**
* Return the java.util.TimeZone wrapped by this object.
*/
public com.ibm.icu.util.TimeZone unwrap() {
return zone;
}
/**
* Constructs an adapter for a com.ibm.icu.util.TimeZone object.
*/
public TimeZoneAdapter(TimeZone zone) {
this.zone = zone;
super.setID(zone.getID());
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public void setID(String ID) {
super.setID(ID);
zone.setID(ID);
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public boolean hasSameRules(java.util.TimeZone other) {
return other instanceof TimeZoneAdapter &&
zone.hasSameRules(((TimeZoneAdapter)other).zone);
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public int getOffset(int era, int year, int month, int day, int dayOfWeek,
int millis) {
return zone.getOffset(era, year, month, day, dayOfWeek, millis);
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public int getRawOffset() {
return zone.getRawOffset();
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public void setRawOffset(int offsetMillis) {
zone.setRawOffset(offsetMillis);
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public boolean useDaylightTime() {
return zone.useDaylightTime();
}
/**
* TimeZone API; calls through to wrapped time zone.
*/
@Override
public boolean inDaylightTime(Date date) {
return zone.inDaylightTime(date);
}
/**
* Boilerplate API; calls through to wrapped object.
*/
@Override
public Object clone() {
return new TimeZoneAdapter((TimeZone)zone.clone());
}
/**
* Boilerplate API; calls through to wrapped object.
*/
@Override
public synchronized int hashCode() {
return zone.hashCode();
}
/**
* Boilerplate API; calls through to wrapped object.
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof TimeZoneAdapter) {
TimeZone anotherZone = ((TimeZoneAdapter) obj).zone;
return zone.equals(anotherZone);
}
return false;
}
/**
* Returns a string representation of this object.
* @return a string representation of this object.
*/
@Override
public String toString() {
return "TimeZoneAdapter: " + zone.toString();
}
}