Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012 The Stanford MobiSocial Laboratory
 *
 * 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 {
    /**
     * Converts the string representation of a hash to a byte array.
     */
    public static byte[] stringToHash(String hashString) {
        if (hashString.length() % 2 != 0) {
            throw new IllegalArgumentException("Hash must have even length");
        }
        int j = 0;
        byte[] hash = new byte[hashString.length() / 2];
        for (int i = 0; i < hashString.length(); i += 2) {
            hash[j++] = Byte.parseByte(hashString.substring(i, i + 2));
        }
        return hash;
    }
}