Android Open Source - smartcard-reader Byte Array Wrapper

From Project

License

The source code is released under:

GNU General Public License

If you think the Android project smartcard-reader listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
 * Copyright 2014 Ryan Jones//from  w  w w . j  a  v a  2 s .  c o m
 * Copyright 2010 sasc
 * 
 * This file was modified from the original source:
 * https://code.google.com/p/javaemvreader/
 * 
 * This file is part of smartcard-reader, package org.docrj.smartcard.reader.
 *
 * smartcard-reader 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 3 of the License, or (at your
 * option) any later version.
 *
 * smartcard-reader 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 smartcard-reader. If not, see <http://www.gnu.org/licenses/>.
 */

package org.docrj.smartcard.util;

import java.util.Arrays;

public final class ByteArrayWrapper {

    private final byte[] data;
    private final int hashcode;

    private ByteArrayWrapper(byte[] data) {
        this.data = data;
        this.hashcode = Arrays.hashCode(data);
    }

    public static ByteArrayWrapper wrapperAround(byte[] data) {
        if (data == null) {
            throw new NullPointerException();
        }
        return new ByteArrayWrapper(data);
    }

    public static ByteArrayWrapper copyOf(byte[] data) {
        if (data == null) {
            throw new NullPointerException();
        }
        return new ByteArrayWrapper(Util.copyByteArray(data));
    }

    @Override
    public boolean equals(Object other) {
        if (!(other instanceof ByteArrayWrapper)) {
            return false;
        }
        return Arrays.equals(data, ((ByteArrayWrapper) other).data);
    }

    @Override
    public int hashCode() {
        return hashcode;
    }
}

Java Source Code List