Returns a byte array left trimmed of trim Size elements - Java java.lang

Java examples for java.lang:byte Array

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Description

Returns a byte array left trimmed of trim Size elements

Demo Code

/*//from   ww w  .  ja v  a  2  s . co  m
    Copyright 2013 Stefano Fratini (mail@stefanofratini.it)

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
 */
//package com.java2s;

import java.util.Arrays;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte[] src = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        int trimSize = 2;
        System.out.println(java.util.Arrays
                .toString(trimLeft(src, trimSize)));
    }

    /**
     * Returns a byte array left trimmed of trimSize elements
     * @param src
     * @param trimSize
     * @return 
     */
    public static byte[] trimLeft(byte[] src, int trimSize) {

        if (trimSize >= src.length)
            throw new IllegalArgumentException("Unable to trim " + trimSize
                    + " elements from an array of " + src.length
                    + " elements ");

        return Arrays.copyOfRange(src, trimSize, src.length);
    }
}

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