org.jouvieje.bass.misc
Class FileWriterUtils

java.lang.Object
  org.jouvieje.bass.misc.FileWriterUtils

All Implemented Interfaces:

org.jouvieje.bass.misc.SizeOfPrimitive

public class FileWriterUtils

extends java.lang.Object

implements org.jouvieje.bass.misc.SizeOfPrimitive

This class allow you to write some datas into a RandomAccessFile object.

Field Summary

static int	SIZEOF_BYTE Size of a byte in bytes !!!
static int	SIZEOF_CHAR Size of a char in bytes
static int	SIZEOF_DOUBLE Size of a double in bytes
static int	SIZEOF_FLOAT Size of a float in bytes
static int	SIZEOF_INT Size of an int in bytes
static int	SIZEOF_LONG Size of a long in bytes
static int	SIZEOF_SHORT Size of a short in bytes

Constructor Summary

FileWriterUtils()

Method Summary

static void	writeByte(java.io.RandomAccessFile file, byte value) Write a simple byte into the file.
static void	writeByteArray(java.io.RandomAccessFile file, byte[] datas) Write an entire byte[] into the file.
static void	writeByteArray(java.io.RandomAccessFile file, byte[] datas, int offset, int length) Write a part of a byte[] into the file.
static int	writeByteBuffer(java.io.RandomAccessFile file, java.nio.ByteBuffer buffer) Write an entire ByteBuffer into a file.
static int	writeByteBuffer(java.io.RandomAccessFile file, java.nio.ByteBuffer buffer, int length) Write a part of a ByteBuffer into a file.
static void	writeChar(java.io.RandomAccessFile file, char value) Convert the char in 2 bytes and write them into the file.
static void	writeDouble(java.io.RandomAccessFile file, double value) Convert the double in 8 bytes and write them into the file.
static void	writeFloat(java.io.RandomAccessFile file, float value) Convert the float in 4 bytes and write them into the file.
static void	writeInt(java.io.RandomAccessFile file, int value) Convert the int in 4 bytes and write them into the file.
static void	writeLong(java.io.RandomAccessFile file, long value) Convert the long in 8 bytes and write them into the file.
static void	writeShort(java.io.RandomAccessFile file, short value) Convert the short in 2 bytes and write them into the file.

Methods inherited from class java.lang.Object

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

Field Detail

SIZEOF_BYTE

public static final int SIZEOF_BYTE

Size of a byte in bytes !!!

See Also:

Constant Field Values

SIZEOF_CHAR

public static final int SIZEOF_CHAR

Size of a char in bytes

See Also:

Constant Field Values

SIZEOF_SHORT

public static final int SIZEOF_SHORT

Size of a short in bytes

See Also:

Constant Field Values

SIZEOF_INT

public static final int SIZEOF_INT

Size of an int in bytes

See Also:

Constant Field Values

SIZEOF_LONG

public static final int SIZEOF_LONG

Size of a long in bytes

See Also:

Constant Field Values

SIZEOF_FLOAT

public static final int SIZEOF_FLOAT

Size of a float in bytes

See Also:

Constant Field Values

SIZEOF_DOUBLE

public static final int SIZEOF_DOUBLE

Size of a double in bytes

See Also:

Constant Field Values

Constructor Detail

FileWriterUtils

public FileWriterUtils()

Method Detail

writeByte

public static void writeByte(java.io.RandomAccessFile file,
                             byte value)
                      throws java.io.IOException

Write a simple byte into the file.

Parameters:

file - a file to read in.

value - a byte to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeShort

public static void writeShort(java.io.RandomAccessFile file,
                              short value)
                       throws java.io.IOException

Convert the short in 2 bytes and write them into the file.

Parameters:

file - a file to read in.

value - a short to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeChar

public static void writeChar(java.io.RandomAccessFile file,
                             char value)
                      throws java.io.IOException

Convert the char in 2 bytes and write them into the file.

Parameters:

file - a file to read in.

value - a char to be writte into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeInt

public static void writeInt(java.io.RandomAccessFile file,
                            int value)
                     throws java.io.IOException

Convert the int in 4 bytes and write them into the file.

Parameters:

file - a file to read in.

value - an int to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeFloat

public static void writeFloat(java.io.RandomAccessFile file,
                              float value)
                       throws java.io.IOException

Convert the float in 4 bytes and write them into the file.

Parameters:

file - a file to read in.

value - a float to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeLong

public static void writeLong(java.io.RandomAccessFile file,
                             long value)
                      throws java.io.IOException

Convert the long in 8 bytes and write them into the file.

Parameters:

file - a file to read in.

value - a long to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeDouble

public static void writeDouble(java.io.RandomAccessFile file,
                               double value)
                        throws java.io.IOException

Convert the double in 8 bytes and write them into the file.

Parameters:

file - a file to read in.

value - a double to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeByteArray

public static void writeByteArray(java.io.RandomAccessFile file,
                                  byte[] datas)
                           throws java.io.IOException

Write an entire byte[] into the file.
This is equivalent to the call writeByteArray(file, datase, 0, datas.length)

Parameters:

file - a file to read in.

datas - a byte[] to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeByteArray

public static void writeByteArray(java.io.RandomAccessFile file,
                                  byte[] datas,
                                  int offset,
                                  int length)
                           throws java.io.IOException

Write a part of a byte[] into the file.

Parameters:

file - a file to read in.

datas - a byte[] to write into the file.

offset - offset from the start of the byte[].

length - number of bytes to be written starting from the offset of the byte[].

Throws:

java.io.IOException - if an I/O exception occures.

writeByteBuffer

public static int writeByteBuffer(java.io.RandomAccessFile file,
                                  java.nio.ByteBuffer buffer)
                           throws java.io.IOException

Write an entire ByteBuffer into a file.

Parameters:

file - a file to read in.

buffer - a ByteBuffer to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.

writeByteBuffer

public static int writeByteBuffer(java.io.RandomAccessFile file,
                                  java.nio.ByteBuffer buffer,
                                  int length)
                           throws java.io.IOException

Write a part of a ByteBuffer into a file.

Parameters:

file - a file to read in.

buffer - a ByteBuffer to be written into the file.

length - number of bytes to be written into the file.

Throws:

java.io.IOException - if an I/O exception occures.