Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2010 Bruno de Carvalho
 *
 * 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 {
    public static String writeArrayAsHex(byte[] array, boolean packedPrint) {
        if (packedPrint) {
            return convertToHex(array);
        }

        StringBuilder builder = new StringBuilder();
        for (byte b : array) {
            builder.append(" 0x");
            String hex = Integer.toHexString(b);
            switch (hex.length()) {
            case 1:
                builder.append('0').append(hex);
                break;
            case 2:
                builder.append(hex);
                break;
            default:
                builder.append(hex.substring(6, 8));
            }
        }

        return builder.toString();
    }

    public static String convertToHex(byte[] data) {
        StringBuffer buf = new StringBuffer();
        for (byte aData : data) {
            int halfbyte = (aData >>> 4) & 0x0F;
            int two_halfs = 0;
            do {
                if ((0 <= halfbyte) && (halfbyte <= 9)) {
                    buf.append((char) ('0' + halfbyte));
                } else {
                    buf.append((char) ('a' + (halfbyte - 10)));
                }
                halfbyte = aData & 0x0F;
            } while (two_halfs++ < 1);
        }
        return buf.toString();
    }
}