Package org.verapdf.cos.filters

Class COSPredictorDecode

java.lang.Object

java.io.InputStream

org.verapdf.as.io.ASInputStream

org.verapdf.as.filters.ASInFilter

org.verapdf.as.filters.io.ASBufferedInFilter

org.verapdf.cos.filters.COSPredictorDecode

All Implemented Interfaces:

Closeable, AutoCloseable, BaseParserInputStream

public class COSPredictorDecode
extends ASBufferedInFilter

This filter represents predictor that is applied to Flate and LZW encodings.

Author:

Sergey Shemyakov

Field Summary

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

BF_BUFFER_SIZE, buffer, START_BUFFER_SIZE

Fields inherited from class org.verapdf.as.io.ASInputStream

isClosed, isSourceClosed, resourceUsers

Constructor Summary

Constructors

Constructor	Description
COSPredictorDecode(ASInputStream stream, COSDictionary decodeParams)	Constructor from stream and decode parameters.

Method Summary

Modifier and Type	Method	Description
int	read(byte[] buffer, int size)
void	reset()

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

addToBuffer, bufferPop, bufferPopArray, bufferSize, closeResource, concatenate, feedBuffer, getBufferBegin, getBufferCapacity, getBufferEnd, getReadCounter, getStream, getStreamUntilToken, initialize, isEOF, peek, peek, processBuffer, read, readByte, resetReadCounter, skip, unread, unread

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

close, decrementResourceUsers, getInputStream, incrementResourceUsers, read, setInputStream

Methods inherited from class org.verapdf.as.io.ASInputStream

createStreamFromStream

Methods inherited from class java.io.InputStream

available, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.verapdf.parser.BaseParserInputStream

close, read

Constructor Details

COSPredictorDecode

public COSPredictorDecode(ASInputStream stream,
 COSDictionary decodeParams)
                   throws IOException

Constructor from stream and decode parameters.

Parameters:

stream - is unpredicted stream.

decodeParams - is COSDictionary containing decode parameters.

Throws:

IOException

Method Details

read

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

Overrides:

read in class ASBufferedInFilter

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class ASBufferedInFilter

Throws:

IOException