StringConverter.java Source code

Introduction

Here is the source code for StringConverter.java

Source

/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.io.UnsupportedEncodingException;

public class StringConverter {

    public static void printBytes(byte[] array, String name) {
        for (int k = 0; k < array.length; k++) {
            System.out.println(name + "[" + k + "] = " + "0x" + UnicodeFormatter.byteToHex(array[k]));
        }
    }

    public static void main(String[] args) {

        System.out.println(System.getProperty("file.encoding"));
        String original = new String("A" + "\u00ea" + "\u00f1" + "\u00fc" + "C");

        System.out.println("original = " + original);
        System.out.println();

        try {
            byte[] utf8Bytes = original.getBytes("UTF8");
            byte[] defaultBytes = original.getBytes();

            String roundTrip = new String(utf8Bytes, "UTF8");
            System.out.println("roundTrip = " + roundTrip);

            System.out.println();
            printBytes(utf8Bytes, "utf8Bytes");
            System.out.println();
            printBytes(defaultBytes, "defaultBytes");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

    } // main

}

class UnicodeFormatter {

    static public String byteToHex(byte b) {
        // Returns hex String representation of byte b
        char hexDigit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
        char[] array = { hexDigit[(b >> 4) & 0x0f], hexDigit[b & 0x0f] };
        return new String(array);
    }

    static public String charToHex(char c) {
        // Returns hex String representation of char c
        byte hi = (byte) (c >>> 8);
        byte lo = (byte) (c & 0xff);
        return byteToHex(hi) + byteToHex(lo);
    }

} // class