Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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 {
    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 final String dumpBytes(byte[] buffer, int amountToDump) {
        if (buffer == null) {
            return "";
        }

        StringBuffer sb = new StringBuffer();

        amountToDump = Math.min(amountToDump, buffer.length);

        for (int i = 0; i < amountToDump; i++) {
            sb.append("0x").append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4]))
                    .append((char) (HEX_CHAR[buffer[i] & 0x000F])).append(" ");
        }

        return sb.toString();
    }
}