org.verapdf.cos.filters

Class COSFilterASCIIHexDecode

java.lang.Object

java.io.InputStream

org.verapdf.as.io.ASInputStream

org.verapdf.as.filters.ASInFilter

org.verapdf.as.filters.io.ASBufferingInFilter

org.verapdf.cos.filters.COSFilterASCIIHexDecode

All Implemented Interfaces:

Closeable, AutoCloseable

public class COSFilterASCIIHexDecode
extends ASBufferingInFilter

Author:

Timur Kamalov

Field Summary

Fields

Modifier and Type	Field and Description
static byte	er
static byte	ws

Fields inherited from class org.verapdf.as.filters.io.ASBufferingInFilter

BF_BUFFER_SIZE, internalBuffer

Constructor Summary

Constructors

Constructor and Description
COSFilterASCIIHexDecode(ASInputStream stream) Constructor from encoded stream.

Method Summary

Methods

Modifier and Type	Method and Description
static byte	decodeLoHex(byte val)
int	read(byte[] buffer, int size) Reads up to size bytes of ASCII Hex decoded data into buffer.

Methods inherited from class org.verapdf.as.filters.io.ASBufferingInFilter

addToBuffer, bufferPop, bufferPopArray, bufferSize, close, concatenate, decode, feedBuffer, getBufferBegin, getBufferCapacity, getBufferEnd, processBuffer, reset

Methods inherited from class org.verapdf.as.filters.ASInFilter

getInputStream, read, read, setInputStream, skip

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, skip

Methods inherited from class java.lang.Object

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

Field Detail

ws

public static final byte ws

See Also:

Constant Field Values

er

public static final byte er

See Also:

Constant Field Values

Constructor Detail

COSFilterASCIIHexDecode

public COSFilterASCIIHexDecode(ASInputStream stream)
                        throws IOException

Constructor from encoded stream.

Parameters:

stream - is ASCII Hex encoded stream.

Throws:

IOException

Method Detail

read

public int read(byte[] buffer,
       int size)
         throws IOException

Reads up to size bytes of ASCII Hex decoded data into buffer.

Overrides:

read in class ASInFilter

Parameters:

buffer - is byte array where decoded data will be read.

size - is maximal amount of decoded bytes.

Returns:

amount of actually read bytes.

Throws:

IOException

decodeLoHex

public static byte decodeLoHex(byte val)