sun.io
Class ByteToCharDoubleByte

java.lang.Object
  sun.io.ByteToCharConverter
      sun.io.ByteToCharDoubleByte

Direct Known Subclasses:

ByteToCharBig5, ByteToCharEUC_CN, ByteToCharEUC_JP, ByteToCharEUC_KR, ByteToCharGBK, ByteToCharISO2022JP, ByteToCharJohab, ByteToCharSJIS

public abstract class ByteToCharDoubleByte
extends ByteToCharConverter

Field Summary

protected int	badInputLength
protected int	end
protected short[]	index1
protected String[]	index2
protected static char	REPLACE_CHAR
protected byte	savedByte
protected int	start

Fields inherited from class sun.io.ByteToCharConverter

byteOff, charOff, subChars, subMode

Constructor Summary

ByteToCharDoubleByte()

Method Summary

int	convert(byte[] input, int inOff, int inEnd, char[] output, int outOff, int outEnd) Converts sequences of bytes to characters.
protected char	convSingleByte(int b)
int	flush(char[] output, int outStart, int outEnd) Writes any remaining output to the output buffer and resets the converter to its initial state.
protected char	getUnicode(int byte1, int byte2)
void	reset() Resets the converter.

Methods inherited from class sun.io.ByteToCharConverter

convertAll, getBadInputLength, getCharacterEncoding, getConverter, getDefault, getMaxCharsPerByte, nextByteIndex, nextCharIndex, setSubstitutionChars, setSubstitutionMode, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

savedByte

protected byte savedByte

index1

protected short[] index1

index2

protected String[] index2

start

protected int start

end

protected int end

badInputLength

protected int badInputLength

REPLACE_CHAR

protected static final char REPLACE_CHAR

See Also:

Constant Field Values

Constructor Detail

ByteToCharDoubleByte

public ByteToCharDoubleByte()

Method Detail

flush

public int flush(char[] output,
                 int outStart,
                 int outEnd)
          throws MalformedInputException

Description copied from class: ByteToCharConverter

Writes any remaining output to the output buffer and resets the converter to its initial state.

Specified by:

flush in class ByteToCharConverter

Parameters:

output - char array to receive flushed output.

outStart - start writing to output array at this offset.

outEnd - stop writing to output array at this offset (exclusive).

Throws:

MalformedInputException - if the output to be flushed contained a partial or invalid multibyte character sequence. flush will write what it can to the output buffer and reset the converter before throwing this exception. An additional call to flush is not required.

convert

public int convert(byte[] input,
                   int inOff,
                   int inEnd,
                   char[] output,
                   int outOff,
                   int outEnd)
            throws UnknownCharacterException,
                   MalformedInputException,
                   ConversionBufferFullException

Converts sequences of bytes to characters. Conversions that result in Exceptions can be restarted by calling convert again, with appropriately modified parameters.

Specified by:

convert in class ByteToCharConverter

Parameters:

input - byte array containing text in Double/single Byte

inStart - offset in input array

inEnd - offset of last byte to be converted

output - character array to receive conversion result

outStart - starting offset

outEnd - offset of last byte to be written to

Returns:

the characters written to output.

Throws:

UnknownCharacterException - for any character that that cannot be converted to Unicode. Thrown only when converter is not in substitution mode.

MalformedInputException - if the input buffer contains any sequence of bytes that is illegal for the input character set.

ConversionBufferFullException - if output array is filled prior to converting all the input.

reset

public void reset()

Resets the converter. Call this method to reset the converter to its initial state

Specified by:

reset in class ByteToCharConverter

convSingleByte

protected char convSingleByte(int b)

getUnicode

protected char getUnicode(int byte1,
                          int byte2)