ws.moor.bt.util.ByteArray.java Source code

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Here is the source code for ws.moor.bt.util.ByteArray.java

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/*
 * BitThief - A Free Riding BitTorrent Client
 * Copyright (C) 2006 Patrick Moor <patrick@moor.ws>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 */

package ws.moor.bt.util;

import org.apache.commons.codec.binary.Hex;

import java.util.Arrays;

/**
 * TODO(pmoor): Javadoc
 */
public class ByteArray {

    protected byte[] bytes;

    protected ByteArray() {
        bytes = null;
    }

    protected ByteArray(byte[] bytes) {
        if (bytes == null) {
            throw new NullPointerException();
        }
        this.bytes = bytes;
    }

    public byte[] getBytes() {
        return bytes;
    }

    public boolean equals(Object o) {
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        return Arrays.equals(bytes, ((ByteArray) o).bytes);
    }

    public int hashCode() {
        return Arrays.hashCode(bytes);
    }

    public String toString() {
        return new String(Hex.encodeHex(bytes));
    }

    public String toStringWithRaw() {
        StringBuilder result = new StringBuilder(4 * bytes.length);
        for (byte b : bytes) {
            if (Character.isLetterOrDigit(b)) {
                result.append((char) b);
            } else {
                result.append(".");
            }
        }
        result.append(" (").append(Hex.encodeHex(bytes)).append(")");
        return result.toString();
    }
}