src/org/gnunet/util/PeerIdentity.java


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package org.gnunet.util;


import org.gnunet.construct.FixedSizeByteArray;
import org.gnunet.construct.Message;

import java.util.Arrays;


/**
 * Identity of a peer, stored as 512-bit public key.
 */
public class PeerIdentity implements Message {

    @FixedSizeByteArray(length = 64)
    public byte[] data;

    static final String HEXES = "0123456789ABCDEF";

    public String getHex() {
        final StringBuilder hex = new StringBuilder( 2 * data.length );
        for (final byte b : data) {
            hex.append(HEXES.charAt((b & 0xF0) >> 4))
                    .append(HEXES.charAt((b & 0x0F)));
        }
        return hex.toString();
    }

    public String toString() {
        return Strings.dataToString(data);
    }

    @Override
    public boolean equals(Object obj) {
        return Arrays.equals(((PeerIdentity) obj).data, this.data);
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(data);
    }
}