Java Byte Array Dump dumpBytes(byte[] buffer)

Description

Helper function that dump an array of bytes in hex form

License

Apache License

Parameter

Parameter	Description
buffer	The bytes array to dump

Return

A string representation of the array of bytes

Declaration

public static String dumpBytes(byte[] buffer) 

Method Source Code

//package com.java2s;
/*//from w w w. j  a  v a  2  s . c  o  m
 * Copyright 2006-2012 The Scriptella Project Team.
 *
 * 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.
 */

public class Main {
    /** Hex chars */
    private static final byte[] HEX_CHAR = new byte[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B',
            'C', 'D', 'E', 'F' };

    /**
     * Helper function that dump an array of bytes in hex form
     *
     * @param buffer
     *            The bytes array to dump
     * @return A string representation of the array of bytes
     */
    public static String dumpBytes(byte[] buffer) {
        if (buffer == null) {
            return "";
        }

        StringBuilder sb = new StringBuilder(2 + buffer.length * 2);

        for (byte b : buffer) {
            sb.append("0x").append((char) (HEX_CHAR[(b & 0x00F0) >> 4])).append((char) (HEX_CHAR[b & 0x000F]))
                    .append(" ");
        }

        return sb.toString();
    }
}

Related

1. dumpByteArray(byte[] bytes)
2. dumpByteArrayAsInts(byte[] arr)
3. dumpBytes(byte bb[])
4. dumpBytes(byte[] a)
5. dumpBytes(byte[] b)
6. dumpBytes(byte[] buffer)
7. dumpBytes(byte[] bytes)
8. dumpBytes(byte[] bytes)
9. dumpBytes(byte[] bytes)