edu.vt.middleware.crypt.io
Class HexFilterInputStream

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          edu.vt.middleware.crypt.io.AbstractEncodingFilterInputStream
              edu.vt.middleware.crypt.io.HexFilterInputStream

All Implemented Interfaces:

Closeable

public class HexFilterInputStream
extends AbstractEncodingFilterInputStream

Decodes hexadecimal character bytes in the wrapped input stream into raw bytes.

Version:

$Revision: 2745 $

Author:

Middleware Services

Field Summary

Fields inherited from class edu.vt.middleware.crypt.io.AbstractEncodingFilterInputStream

byteBuffer, CHUNK_SIZE, decodeBuffer, position

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

HexFilterInputStream(InputStream in)
Creates a hex filter input stream around the given input stream.

Method Summary

protected void	fillBuffer() Reads characters from the input reader and decodes them to fill AbstractEncodingFilterInputStream.decodeBuffer.
protected int	getDecodeBufferCapacity() Gets the encoder that decodes encoded character data in the input stream to raw bytes.

Methods inherited from class edu.vt.middleware.crypt.io.AbstractEncodingFilterInputStream

read, read, read

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

HexFilterInputStream

public HexFilterInputStream(InputStream in)

Creates a hex filter input stream around the given input stream.

Parameters:

in - Input stream to wrap.

Method Detail

getDecodeBufferCapacity

protected int getDecodeBufferCapacity()

Gets the encoder that decodes encoded character data in the input stream to raw bytes.

Specified by:

getDecodeBufferCapacity in class AbstractEncodingFilterInputStream

Returns:

Encoder instance.

fillBuffer

protected void fillBuffer()
                   throws IOException

Reads characters from the input reader and decodes them to fill AbstractEncodingFilterInputStream.decodeBuffer.

Specified by:

fillBuffer in class AbstractEncodingFilterInputStream

Throws:

IOException - On read errors.