package de.persosim.simulator.cardobjects;
import de.persosim.simulator.exception.FileIdentifierIncorrectValueException;
import de.persosim.simulator.utils.HexString;
import de.persosim.simulator.utils.Utils;
/**
* Implementation of an ISO7816-4 compliant short identifier.
*
* @author mboonk
*
*/
public class ShortFileIdentifier extends AbstractCardObjectIdentifier {
private int identifier;
public ShortFileIdentifier(int shortFileIdentifier) {
if ((shortFileIdentifier >= 1 && shortFileIdentifier <= 30) || shortFileIdentifier == -1){
this.identifier = shortFileIdentifier;
} else {
throw new FileIdentifierIncorrectValueException();
}
}
public int getShortFileIdentifier() {
return identifier;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + identifier;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ShortFileIdentifier other = (ShortFileIdentifier) obj;
if (identifier != other.identifier)
return false;
return true;
}
@Override
public String toString() {
return HexString.encode(Utils.removeLeadingZeroBytes(Utils.toUnsignedByteArray(identifier))) + " (" + identifier + ")";
}
}