Class SplitOutputStream

java.lang.Object

java.io.OutputStream

net.lingala.zip4j.io.outputstream.SplitOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, OutputStreamWithSplitZipSupport

public class SplitOutputStream
extends OutputStream
implements OutputStreamWithSplitZipSupport

Field Summary

Fields

Modifier and Type	Field	Description
private long	bytesWrittenForThisPart
private int	currSplitFileCounter
private RandomAccessFile	raf
private RawIO	rawIO
private long	splitLength
private File	zipFile

Constructor Summary

Constructors

Constructor	Description
SplitOutputStream(File file)
SplitOutputStream(File file, long splitLength)

Method Summary

Modifier and Type	Method	Description
boolean	checkBufferSizeAndStartNextSplitFile(int bufferSize)	Checks if the buffer size is sufficient for the current split file.
void	close()
int	getCurrentSplitFileCounter()
long	getFilePointer()
long	getSplitLength()
private boolean	isBufferSizeFitForCurrSplitFile(int bufferSize)	Checks if the given buffer size will be fit in the current split file.
private boolean	isHeaderData(byte[] buff)
boolean	isSplitZipFile()
void	seek(long pos)
int	skipBytes(int n)
private void	startNextSplitFile()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class OutputStream

flush

Methods inherited from class Object

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

Field Details

raf

private RandomAccessFile raf

splitLength

private long splitLength

zipFile

private File zipFile

currSplitFileCounter

private int currSplitFileCounter

bytesWrittenForThisPart

private long bytesWrittenForThisPart

rawIO

private RawIO rawIO

Constructor Details

SplitOutputStream

public SplitOutputStream(File file)
                  throws FileNotFoundException,
ZipException

Throws:

FileNotFoundException

ZipException

SplitOutputStream

public SplitOutputStream(File file,
 long splitLength)
                  throws FileNotFoundException,
ZipException

Throws:

FileNotFoundException

ZipException

Method Details

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

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

Overrides:

write in class OutputStream

Throws:

IOException

startNextSplitFile

private void startNextSplitFile()
                         throws IOException

Throws:

IOException

isHeaderData

private boolean isHeaderData(byte[] buff)

checkBufferSizeAndStartNextSplitFile

public boolean checkBufferSizeAndStartNextSplitFile(int bufferSize)
                                             throws ZipException

Checks if the buffer size is sufficient for the current split file. If not a new split file will be started.

Parameters:

bufferSize -

Returns:

true if a new split file was started else false

Throws:

ZipException

isBufferSizeFitForCurrSplitFile

private boolean isBufferSizeFitForCurrSplitFile(int bufferSize)

Checks if the given buffer size will be fit in the current split file. If this output stream is a non-split file, then this method always returns true

Parameters:

bufferSize -

Returns:

true if the buffer size is fit in the current split file or else false.

seek

public void seek(long pos)
          throws IOException

Throws:

IOException

skipBytes

public int skipBytes(int n)
              throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

getFilePointer

public long getFilePointer()
                    throws IOException

Specified by:

getFilePointer in interface OutputStreamWithSplitZipSupport

Throws:

IOException

isSplitZipFile

public boolean isSplitZipFile()

getSplitLength

public long getSplitLength()

getCurrentSplitFileCounter

public int getCurrentSplitFileCounter()

Specified by:

getCurrentSplitFileCounter in interface OutputStreamWithSplitZipSupport