Java XML Data Type Converter stringToData(String data)

Description

Convert a string into a binary byte array.

License

Open Source License

Parameter

Parameter	Description
data	The string data to convert.

Return

The binary version of the data. If the string starts with "0x", then the remainder of the string is interpreted as hexadecimal. Otherwise the string is interpreted as a literal string (e.g. "abc") and converted with the UTF-8 encoding.

Declaration

public static byte[] stringToData(String data)

Method Source Code

//package com.java2s;
/*//from w ww . j  av  a  2  s .  co m
 * Copyright (C) 2016 Southern Storm Software, Pty Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

import java.io.UnsupportedEncodingException;
import javax.xml.bind.DatatypeConverter;

public class Main {
    /**
     * Convert a string into a binary byte array.
     * 
     * @param data The string data to convert.
     * @return The binary version of the data.
     * 
     * If the string starts with "0x", then the remainder of the string is
     * interpreted as hexadecimal.  Otherwise the string is interpreted
     * as a literal string (e.g. "abc") and converted with the UTF-8 encoding.
     */
    public static byte[] stringToData(String data) {
        if (data.startsWith("0x")) {
            return DatatypeConverter.parseHexBinary(data.substring(2));
        } else {
            try {
                return data.getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                return new byte[0];
            }
        }
    }
}