hera.util

Class LittleEndianDataOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

hera.util.LittleEndianDataOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.DataOutput, java.io.Flushable, java.lang.AutoCloseable

public final class LittleEndianDataOutputStream
extends java.io.FilterOutputStream
implements java.io.DataOutput

An implementation of DataOutput that uses little-endian byte ordering for writing char, short, int, float, double, and long values.
We don't support writeBytes(String), writeChars(String), writeUTF(String).

Field Summary

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor and Description
LittleEndianDataOutputStream(java.io.OutputStream out)

Method Summary

Modifier and Type	Method and Description
void	close()
void	write(byte[] b, int off, int len)
void	writeBoolean(boolean v)
void	writeByte(int v)
void	writeBytes(java.lang.String s) UnSupported operation.
void	writeChar(int v) Write the char value in a little endian order.
void	writeChars(java.lang.String s) UnSupported operation.
void	writeDouble(double v) Write the double value in a little endian order.
void	writeFloat(float v) Write the float value in a little endian order.
void	writeInt(int v) Write the int value in a little endian order.
void	writeLong(long v) Write the long value in a little endian order.
void	writeShort(int v) Write the short value in a little endian order.
void	writeUTF(java.lang.String str) UnSupported operation.

Methods inherited from class java.io.FilterOutputStream

flush, write, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.DataOutput

write, write

Constructor Detail

LittleEndianDataOutputStream

public LittleEndianDataOutputStream(java.io.OutputStream out)

Method Detail

write

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

Specified by:

write in interface java.io.DataOutput

Overrides:

write in class java.io.FilterOutputStream

Throws:

java.io.IOException

writeBoolean

public void writeBoolean(boolean v)
                  throws java.io.IOException

Specified by:

writeBoolean in interface java.io.DataOutput

Throws:

java.io.IOException

writeByte

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

Specified by:

writeByte in interface java.io.DataOutput

Throws:

java.io.IOException

writeShort

public void writeShort(int v)
                throws java.io.IOException

Write the short value in a little endian order. The byte values to be written, in the order shown, are:

 
 (byte)(0xff & v)
 (byte)(0xff & (v >> 8))
 
 

Specified by:

writeShort in interface java.io.DataOutput

Throws:

java.io.IOException

writeChar

public void writeChar(int v)
               throws java.io.IOException

Write the char value in a little endian order. The byte values to be written, in the order shown, are:

 
 (byte)(0xff & v)
 (byte)(0xff & (v >> 8))
 
 

Specified by:

writeChar in interface java.io.DataOutput

Throws:

java.io.IOException

writeInt

public void writeInt(int v)
              throws java.io.IOException

Write the int value in a little endian order. The byte values to be written, in the order shown, are:

 
 (byte)(0xff & v)
 (byte)(0xff & (v >> 8))
 (byte)(0xff & (v >> 16))
 (byte)(0xff & (v >> 24))
 
 

Specified by:

writeInt in interface java.io.DataOutput

Throws:

java.io.IOException

writeLong

public void writeLong(long v)
               throws java.io.IOException

Write the long value in a little endian order. The byte values to be written, in the order shown, are:

 
 (byte)(0xff & v)
 (byte)(0xff & (v >> 8))
 (byte)(0xff & (v >> 16))
 (byte)(0xff & (v >> 24))
 (byte)(0xff & (v >> 32))
 (byte)(0xff & (v >> 40))
 (byte)(0xff & (v >> 48))
 (byte)(0xff & (v >> 56))
 
 

Specified by:

writeLong in interface java.io.DataOutput

Throws:

java.io.IOException

writeFloat

public void writeFloat(float v)
                throws java.io.IOException

Write the float value in a little endian order.

Specified by:

writeFloat in interface java.io.DataOutput

Throws:

java.io.IOException

writeDouble

public void writeDouble(double v)
                 throws java.io.IOException

Write the double value in a little endian order.

Specified by:

writeDouble in interface java.io.DataOutput

Throws:

java.io.IOException

writeBytes

public void writeBytes(java.lang.String s)
                throws java.io.IOException

UnSupported operation.

Specified by:

writeBytes in interface java.io.DataOutput

Throws:

java.io.IOException

writeChars

public void writeChars(java.lang.String s)
                throws java.io.IOException

UnSupported operation.

Specified by:

writeChars in interface java.io.DataOutput

Throws:

java.io.IOException

writeUTF

public void writeUTF(java.lang.String str)
              throws java.io.IOException

UnSupported operation.

Specified by:

writeUTF in interface java.io.DataOutput

Throws:

java.io.IOException

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