package pdftk.org.bouncycastle.asn1.eac;

import java.util.Hashtable;

public class BidirectionalMap extends Hashtable{
	private static final long serialVersionUID = -7457289971962812909L;
	
	Hashtable reverseMap = new Hashtable();
	
	public Object getReverse(Object o)
	{
		return reverseMap.get(o);
	}
	
	public Object put(Object key, Object o)
	{
		reverseMap.put(o, key);
		return super.put(key, o);
	}
	
}
