Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2014 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 {
    /**
     * Returns a byte array containing values parsed from the hex string provided.
     *
     * @param hexString The hex string to convert to bytes.
     * @return A byte array containing values parsed from the hex string provided.
     */
    public static byte[] getBytesFromHexString(String hexString) {
        byte[] data = new byte[hexString.length() / 2];
        for (int i = 0; i < data.length; i++) {
            int stringOffset = i * 2;
            data[i] = (byte) ((Character.digit(hexString.charAt(stringOffset), 16) << 4)
                    + Character.digit(hexString.charAt(stringOffset + 1), 16));
        }
        return data;
    }
}