Package com.itextpdf.io.source

Class DeflaterOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.util.zip.DeflaterOutputStream

com.itextpdf.io.source.DeflaterOutputStream

All Implemented Interfaces:

IFinishable, Closeable, Flushable, AutoCloseable

       public class DeflaterOutputStream extends DeflaterOutputStream implements IFinishable
      

An output stream that compresses data using the DEFLATE compression algorithm. This is a wrapper around DeflaterOutputStream that provides convenient constructors for specifying compression level and buffer size.

The compression level can be set to values between 0 (no compression) and 9 (maximum compression), or use -1 for the default compression level.

Field Summary

Fields inherited from class java.util.zip.DeflaterOutputStream

buf, def

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
DeflaterOutputStream(OutputStream out)	Creates a new deflater output stream with default compression level and buffer size.
DeflaterOutputStream(OutputStream out, int level)	Creates a new deflater output stream with a specified compression level and default buffer size.
DeflaterOutputStream(OutputStream out, int level, int size)	Creates a new deflater output stream with a specified compression level and buffer size.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes this output stream and releases any system resources associated with it.
void	finish()	Finishes writing compressed data to the output stream without closing the underlying stream.

Methods inherited from class java.util.zip.DeflaterOutputStream

deflate, flush, write, write

Methods inherited from class java.io.FilterOutputStream

write

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

DeflaterOutputStream

             public DeflaterOutputStream
             (OutputStream out, int level, int size)
            

Creates a new deflater output stream with a specified compression level and buffer size.

Parameters:

out - the output stream to write compressed data to

level - the compression level (0-9, or -1 for default)

size - the buffer size in bytes

DeflaterOutputStream

             public DeflaterOutputStream
             (OutputStream out, int level)
            

Creates a new deflater output stream with a specified compression level and default buffer size.

Parameters:

out - the output stream to write compressed data to

level - the compression level (0-9, or -1 for default)

DeflaterOutputStream

             public DeflaterOutputStream
             (OutputStream out)
            

Creates a new deflater output stream with default compression level and buffer size.

Parameters:

out - the output stream to write compressed data to

Method Details

close

             public void close() throws IOException
            

Closes this output stream and releases any system resources associated with it. This method finishes writing compressed data to the output stream before closing.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class DeflaterOutputStream

Throws:

IOException - if an I/O error occurs

finish

             public void finish() throws IOException
            

Finishes writing compressed data to the output stream without closing the underlying stream. This method completes the compression process and ends the deflater, releasing its resources.

Specified by:

finish in interface IFinishable

Overrides:

finish in class DeflaterOutputStream

Throws:

IOException - if an I/O error occurs