org.freehep.util.io

Class RunLengthOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

org.freehep.util.io.RunLengthOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable, FinishableOutputStream, RunLength

public class RunLengthOutputStream
extends java.io.FilterOutputStream
implements RunLength, FinishableOutputStream

The RunLengthOutputStream encodes data as Run Length encoding. The exact definition of Run Length encoding can be found in the PostScript Language Reference (3rd ed.) chapter 3.13.3.

Field Summary

Fields inherited from interface org.freehep.util.io.RunLength

EOD, LENGTH

Constructor Summary

Constructors

Constructor and Description
RunLengthOutputStream(java.io.OutputStream out) Create a Run Length output stream

Method Summary

Modifier and Type	Method and Description
void	close()
void	finish() Finishes the current outputstream (compresses, flushes, caluclates CRC) and writes whatever is left in the buffers, but does not close the stream.
void	write(int a)

Methods inherited from class java.io.FilterOutputStream

flush, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

RunLengthOutputStream

public RunLengthOutputStream(java.io.OutputStream out)

Create a Run Length output stream

Parameters:

out - stream to write

Method Detail

write

public void write(int a)
           throws java.io.IOException

Overrides:

write in class java.io.FilterOutputStream

Throws:

java.io.IOException

finish

public void finish()
            throws java.io.IOException

Description copied from interface: FinishableOutputStream

Finishes the current outputstream (compresses, flushes, caluclates CRC) and writes whatever is left in the buffers, but does not close the stream.

Specified by:

finish in interface FinishableOutputStream

Throws:

java.io.IOException - if write fails

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.FilterOutputStream

Throws:

java.io.IOException