org.egothor.util.io
Class GZipOutputStream

java.lang.Object
  org.egothor.io.DataOutputStream
      org.egothor.util.io.GZipOutputStream

All Implemented Interfaces:

DataOutput

public class GZipOutputStream
extends DataOutputStream

GZipOutputStream.java Created on 6. srpen 2006, 2:41

Author:

galambos

Constructor Summary

GZipOutputStream(DataOutput out)

Method Summary

void	close() Only flushes the stream, but does not close the underlaying stream.
static byte[]	compress(byte[] data, int len) Reads the data block of the given length and creates a new data block of this format: (len:int)(data:byte[]) where the length of data is the len the original data block is compressed into the new block and its data part
void	finish()
void	flush()
void	write(byte[] buf, int offset, int len) Description of the Method
void	writeByte(int val) Description of the Method
long	written() Description of the Method

Methods inherited from class org.egothor.io.DataOutputStream

copyFrom, copyFrom, printUTFS, writeBoolean, writeFully, writeInt, writeLong, writePack7, writePack7I, writeShort, writeString

Methods inherited from class java.lang.Object

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

Constructor Detail

GZipOutputStream

public GZipOutputStream(DataOutput out)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

written

public long written()

Description copied from class: DataOutputStream

Description of the Method

Specified by:

written in interface DataOutput

Specified by:

written in class DataOutputStream

Returns:

Description of the Return Value

writeByte

public void writeByte(int val)
               throws java.io.IOException

Description copied from class: DataOutputStream

Description of the Method

Specified by:

writeByte in interface DataOutput

Specified by:

writeByte in class DataOutputStream

Parameters:

val - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

write

public void write(byte[] buf,
                  int offset,
                  int len)
           throws java.io.IOException

Description copied from class: DataOutputStream

Description of the Method

Specified by:

write in interface DataOutput

Specified by:

write in class DataOutputStream

Parameters:

buf - Description of the Parameter

offset - Description of the Parameter

len - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

finish

public void finish()
            throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Only flushes the stream, but does not close the underlaying stream.

Overrides:

close in class DataOutputStream

Throws:

java.io.IOException - Description of the Exception

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in class DataOutputStream

Throws:

java.io.IOException

compress

public static byte[] compress(byte[] data,
                              int len)

Reads the data block of the given length and creates a new data block of this format: (len:int)(data:byte[]) where

• the length of data is the len
• the original data block is compressed into the new block and its data part

Returns:

null is anything is wrong