Compares a portion of two ByteBuffers. - Java java.nio

Java examples for java.nio:ByteBuffer

  1. HOME
  2. Java
  3. java.nio
  4. ByteBuffer

Description

Compares a portion of two ByteBuffers.

Demo Code

/*/*  w ww. j  a  v  a  2 s .  c o m*/
 * This file is part of BCNode.
 *
 * Copyright (c) Raphfrk 2013 <www.raphfrk.com/bcnode>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
//package com.java2s;
import java.nio.ByteBuffer;

public class Main {
    /**
     * Compares a portion of two ByteBuffers.  The method returns false if the section is out of bounds for either ByteBuffer
     * 
     * @param a
     * @param aPosition
     * @param b
     * @param bPosition
     * @param length
     * @return true if equal
     */
    public static boolean equals(ByteBuffer a, int aPosition, ByteBuffer b,
            int bPosition, int length) {
        if (a.remaining() < length || b.remaining() < length) {
            return false;
        }
        for (; length > 0; length--) {
            if (a.get(aPosition++) != b.get(bPosition++)) {
                return false;
            }
        }
        return true;
    }
}

Related Tutorials