private java.nio.CharBuffer allocateMore(java.nio.CharBuffer output)
{
if (output.capacity() == 0)
{
return(java.nio.CharBuffer.allocate(1));
}
java.nio.CharBuffer result = java.nio.CharBuffer.allocate(output.capacity() * 2);
output.flip();
result.put(output);
return(result);
}
/// <summary>This is a facade method for the decoding operation.</summary>
/// <remarks>
/// This is a facade method for the decoding operation.
/// <p>
/// This method decodes the remaining byte sequence of the given byte buffer
/// into a new character buffer. This method performs a complete decoding
/// operation, resets at first, then decodes, and flushes at last.
/// <p>
/// This method should not be invoked while another
/// <code>decode</code>
/// operation
/// is ongoing.
/// </remarks>
/// <param name="in">the input buffer.</param>
/// <returns>
/// a new <code>CharBuffer</code> containing the the characters
/// produced by this decoding operation. The buffer's limit will be
/// the position of the last character in the buffer, and the
/// position will be zero.
/// </returns>
/// <exception cref="System.InvalidOperationException">if another decoding operation is ongoing.
/// </exception>
/// <exception cref="MalformedInputException">
/// if an illegal input byte sequence for this charset was
/// encountered, and the action for malformed error is
/// <see cref="CodingErrorAction.REPORT">CodingErrorAction.REPORT</see>
/// </exception>
/// <exception cref="UnmappableCharacterException">
/// if a legal but unmappable input byte sequence for this
/// charset was encountered, and the action for unmappable
/// character error is
/// <see cref="CodingErrorAction.REPORT">CodingErrorAction.REPORT</see>
/// .
/// Unmappable means the byte sequence at the input buffer's
/// current position cannot be mapped to a Unicode character
/// sequence.
/// </exception>
/// <exception cref="CharacterCodingException">if another exception happened during the decode operation.
/// </exception>
/// <exception cref="java.nio.charset.CharacterCodingException"></exception>
public java.nio.CharBuffer decode(java.nio.ByteBuffer @in)
{
reset();
int length = (int)(@in.remaining() * _averageCharsPerByte);
java.nio.CharBuffer output = java.nio.CharBuffer.allocate(length);
java.nio.charset.CoderResult result = null;
while (true)
{
result = decode(@in, output, false);
checkCoderResult(result);
if (result.isUnderflow())
{
break;
}
else
{
if (result.isOverflow())
{
output = allocateMore(output);
}
}
}
result = decode(@in, output, true);
checkCoderResult(result);
while (true)
{
result = flush(output);
checkCoderResult(result);
if (result.isOverflow())
{
output = allocateMore(output);
}
else
{
break;
}
}
output.flip();
status = FLUSH;
return(output);
}
