/*
* -----------------------------------------------------------------------
* Copyright © 2013-2015 Meno Hochschild, <http://www.menodata.de/>
* -----------------------------------------------------------------------
* This file (WinZoneID.java) is part of project Time4J.
*
* Time4J is free software: You can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* Time4J is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Time4J. If not, see <http://www.gnu.org/licenses/>.
* -----------------------------------------------------------------------
*/
package net.time4j.tz.spi;
import net.time4j.tz.TZID;
import java.io.IOException;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
/**
* <p>The resolved id of a windows zone. </p>
*
* @author Meno Hochschild
* @since 3.1
*/
final class WinZoneID
implements TZID, Serializable {
//~ Statische Felder/Initialisierungen --------------------------------
private static final long serialVersionUID = -4077231634935102213L;
//~ Instanzvariablen --------------------------------------------------
/**
* @serial canonical windows zone id
*/
private final String id;
//~ Konstruktoren -----------------------------------------------------
WinZoneID(String id) {
super();
check(id);
this.id = id;
}
//~ Methoden ----------------------------------------------------------
@Override
public String canonical() {
return this.id;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (obj instanceof WinZoneID) {
WinZoneID that = (WinZoneID) obj;
return this.id.equals(that.id);
} else {
return false;
}
}
@Override
public int hashCode() {
return this.id.hashCode();
}
@Override
public String toString() {
return this.id;
}
private static void check(String id) {
if (!id.startsWith("WINDOWS~")) {
throw new IllegalArgumentException("Not a windows zone: " + id);
}
}
/**
* @serialData Checks the consistency.
* @throws InvalidObjectException in case of inconsistencies
*/
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
in.defaultReadObject();
check(this.id);
}
}