001package org.apache.commons.ssl.org.bouncycastle.asn1.eac;
002
003import java.util.Hashtable;
004
005public class BidirectionalMap
006    extends Hashtable
007{
008    private static final long serialVersionUID = -7457289971962812909L;
009
010    Hashtable reverseMap = new Hashtable();
011
012    public Object getReverse(Object o)
013    {
014        return reverseMap.get(o);
015    }
016
017    public Object put(Object key, Object o)
018    {
019        reverseMap.put(o, key);
020        return super.put(key, o);
021    }
022
023}