byte array to string conversion

[Lars Andersen]

Tom Tromey wrote:

>>>>>>"Lars" == Lars Andersen <lars@rimfaxe.com> writes:
>>>>>>            
>>>>>>
>
>Lars> Just tried it with the latest 3.4 snapshot. Same thing.
>
>I suspect your system's iconv(), or your locale setting, or both.
>
>Try debugging the program with gdb.  My theory is that the early
>`test_str.getBytes()' call is returning bad results.
>
>Tom
>  
>

I modified the example a bit.

This one works for both Sun jdk and GCJ.

Substitute "iso-8859-1" with "UTF-8" and only Sun jdk works (at least 
for me)

 >>>>>>>>>>>>>>>>>>>>

public class TestStringConversion
{
    private static final int BYTE_RANGE = (1 + Byte.MAX_VALUE) - 
Byte.MIN_VALUE;
    private static byte[] allBytes = new byte[BYTE_RANGE];
    private static char[] byteToChars = new char[BYTE_RANGE];

    static
    {
       
        for (int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++)
        {
            allBytes[i - Byte.MIN_VALUE] = (byte) i;
        }

     
        String allBytesString = "";
        try
        {
          allBytesString = new String(allBytes,0,Byte.MAX_VALUE - 
Byte.MIN_VALUE,"iso-8859-1");
        }
        catch (Exception e)
        { }
       
        int allBytesStringLen = allBytesString.length();

        for (int i = 0; (i < (Byte.MAX_VALUE - Byte.MIN_VALUE)) && (i < 
allBytesStringLen); i++)
        {
            byteToChars[i] = allBytesString.charAt(i);
        }
    }
   
    public TestStringConversion()
    {
    }
   
    /**
     * String conversion as found in com.mysql.jdbc.StringUtils
     */
    public static String toAsciiString(byte[] buffer, int startPos, int 
length)
    {
        char[] charArray = new char[length];
        int readpoint = startPos;
        for (int i = 0; i < length; i++)
        {
            charArray[i] = byteToChars[(int) buffer[readpoint] - 
Byte.MIN_VALUE];
            readpoint++;
        } 
        return new String(charArray);
    }
   

    public static void main(String[] args)
    { 
      
       String test_str = "Test String"; 
       byte[] test_buf = test_str.getBytes();
       System.out.println("toAsciiString -> "+toAsciiString(test_buf, 0, 
test_buf.length));
    }
   
}


<<<<<<<<<<<<<<<<<<<<

/Lars Andersen