Class RunLengthEncodeOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.apache.xmlgraphics.util.io.RunLengthEncodeOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, Finalizable

public class RunLengthEncodeOutputStream
extends FilterOutputStream
implements Finalizable

This class applies a RunLengthEncode filter to the stream.

Version:

$Id$ Originally authored by Stephen Wolke.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	BYTE_MAX
private static final int	END_OF_DATA
private static final int	IN_SEQUENCE
private int	isSequence
private static final int	MAX_SEQUENCE_COUNT
private static final int	NOT_IDENTIFY_SEQUENCE
private static final int	NOT_IN_SEQUENCE
private byte[]	runBuffer
private int	runCount
private static final int	START_SEQUENCE

Fields inherited from class FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
RunLengthEncodeOutputStream(OutputStream out)

Method Summary

Modifier and Type	Method	Description
void	close()
void	finalizeStream()	This method can be called instead of close() on a subclass of FilteredOutputStream when a final marker has to be written to the target stream, but close() cannot be called.
void	write(byte b)
void	write(byte[] b)
void	write(byte[] b, int off, int len)

Methods inherited from class FilterOutputStream

flush, write

Methods inherited from class OutputStream

nullOutputStream

Methods inherited from class Object

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

Field Details

MAX_SEQUENCE_COUNT

private static final int MAX_SEQUENCE_COUNT

See Also:

• Constant Field Values

END_OF_DATA

private static final int END_OF_DATA

See Also:

• Constant Field Values

BYTE_MAX

private static final int BYTE_MAX

See Also:

• Constant Field Values

NOT_IDENTIFY_SEQUENCE

private static final int NOT_IDENTIFY_SEQUENCE

See Also:

• Constant Field Values

START_SEQUENCE

private static final int START_SEQUENCE

See Also:

• Constant Field Values

IN_SEQUENCE

private static final int IN_SEQUENCE

See Also:

• Constant Field Values

NOT_IN_SEQUENCE

private static final int NOT_IN_SEQUENCE

See Also:

• Constant Field Values

runCount

private int runCount

isSequence

private int isSequence

runBuffer

private byte[] runBuffer

Constructor Details

RunLengthEncodeOutputStream

public RunLengthEncodeOutputStream(OutputStream out)

See Also:

• FilterOutputStream

Method Details

write

public void write(byte b)
           throws IOException

Throws:

IOException

See Also:

• FilterOutputStream

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

See Also:

• FilterOutputStream

write

public void write(byte[] b,
 int off,
 int len)
           throws IOException

Overrides:

write in class FilterOutputStream

Throws:

IOException

See Also:

• FilterOutputStream

finalizeStream

public void finalizeStream()
                    throws IOException

Description copied from interface: Finalizable

This method can be called instead of close() on a subclass of FilteredOutputStream when a final marker has to be written to the target stream, but close() cannot be called.

Specified by:

finalizeStream in interface Finalizable

Throws:

IOException - In case of an IO problem

See Also:

• Finalizable

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class FilterOutputStream

Throws:

IOException

See Also:

• FilterOutputStream