Java Byte Array Create bytes(int... ints)

Description

bytes

License

Open Source License

Declaration

public static byte[] bytes(int... ints) 

Method Source Code

//package com.java2s;
/*// w ww  . j av a  2 s.  c  o  m
 * Copyright 2016-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at:
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */

public class Main {
    public static byte[] bytes(int... ints) {
        byte[] b = new byte[ints.length];
        for (int i = 0; i < ints.length; i++) {
            b[i] = (byte) (checkBounds(ints[i], 0, 256) & 0xFF);
        }
        return b;
    }

    private static int checkBounds(int value, int lowerInclusive, int upperExclusive) {
        if (value < lowerInclusive) {
            throw new IllegalArgumentException(
                    String.format("Value %s is less than lower bound %s", value, lowerInclusive));
        } else if (value >= upperExclusive) {
            throw new IllegalArgumentException(
                    String.format("Value %s is greater than or equal to upper bound %s", value, upperExclusive));
        } else {
            return value;
        }
    }
}

Related

1. byteArrayFromInteger(int integer)
2. byteArrayFromInteger(int integer)
3. bytes(final byte... elements)
4. bytes(final int... ints)
5. bytes(int... bytes)
6. newByteArray(byte[] data, int finalSize)
7. newByteArray(int len)
8. newByteArray(int size)
9. newByteArray(int... bytes)