Package org.red5.io.utils

Class IOUtils

java.lang.Object

org.red5.io.utils.IOUtils

public class IOUtils
extends Object

Miscellaneous I/O utility methods

See Also:

Unsigned bytes in Java

Field Summary

Fields

Modifier and Type	Field	Description
static Charset	CHARSET	UTF-8 is used

Constructor Summary

Constructors

Constructor	Description
IOUtils()

Method Summary

Modifier and Type	Method	Description
static void	debug(org.slf4j.Logger log, String msg, org.apache.mina.core.buffer.IoBuffer buf)	Format debug message
static byte[]	hexStringToByteArray(String s)	Returns a byte array for the given hex encoded string.
static void	main(String[] args)
static int	readExtendedMediumInt(ByteBuffer in)	Reads extended medium int
static int	readExtendedMediumInt(org.apache.mina.core.buffer.IoBuffer in)	Reads extended medium int
static int	readMediumInt(ByteBuffer in)	Reads medium int
static int	readMediumInt(org.apache.mina.core.buffer.IoBuffer in)	Reads medium int
static int	readReverseInt(org.apache.mina.core.buffer.IoBuffer in)	Reads reverse int
static int	readUnsignedMediumInt(ByteBuffer in)	Reads unsigned medium integer (3 bytes)
static int	readUnsignedMediumInt(org.apache.mina.core.buffer.IoBuffer in)	Reads unsigned medium integer (3 bytes)
static String	toString(org.apache.mina.core.buffer.IoBuffer buf)	String representation of byte buffer
static void	writeExtendedMediumInt(ByteBuffer out, int value)	Writes extended medium integer (equivalent to a regular integer whose most significant byte has been moved to its end, past its least significant byte)
static void	writeExtendedMediumInt(org.apache.mina.core.buffer.IoBuffer out, int value)	Writes extended medium integer (equivalent to a regular integer whose most significant byte has been moved to its end, past its least significant byte)
static void	writeMediumInt(ByteBuffer out, int value)	Writes medium integer
static void	writeMediumInt(org.apache.mina.core.buffer.IoBuffer out, int value)	Writes medium integer
static void	writeReverseInt(org.apache.mina.core.buffer.IoBuffer out, int value)	Writes integer in reverse order
static void	writeUnsignedByte(ByteBuffer out, byte value)	Writes an unsigned byte value to the supplied buffer.

Methods inherited from class java.lang.Object

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

Field Detail

CHARSET

public static final Charset CHARSET

UTF-8 is used

Constructor Detail

IOUtils

public IOUtils()

Method Detail

writeReverseInt

public static final void writeReverseInt(org.apache.mina.core.buffer.IoBuffer out,
                                         int value)

Writes integer in reverse order

Parameters:

out - Data buffer to fill

value - Integer

writeMediumInt

public static final void writeMediumInt(org.apache.mina.core.buffer.IoBuffer out,
                                        int value)

Writes medium integer

Parameters:

out - Output buffer

value - Integer to write

writeMediumInt

public static final void writeMediumInt(ByteBuffer out,
                                        int value)

Writes medium integer

Parameters:

out - Output buffer

value - Integer to write

writeExtendedMediumInt

public static final void writeExtendedMediumInt(org.apache.mina.core.buffer.IoBuffer out,
                                                int value)

Writes extended medium integer (equivalent to a regular integer whose most significant byte has been moved to its end, past its least significant byte)

Parameters:

out - Output buffer

value - Integer to write

writeExtendedMediumInt

public static final void writeExtendedMediumInt(ByteBuffer out,
                                                int value)

Writes extended medium integer (equivalent to a regular integer whose most significant byte has been moved to its end, past its least significant byte)

Parameters:

out - Output buffer

value - Integer to write

writeUnsignedByte

public static final void writeUnsignedByte(ByteBuffer out,
                                           byte value)

Writes an unsigned byte value to the supplied buffer.

Parameters:

out - Output buffer

value - Byte to write

readUnsignedMediumInt

public static final int readUnsignedMediumInt(ByteBuffer in)

Reads unsigned medium integer (3 bytes)

Parameters:

in - Unsigned medium int source

Returns:

int value

readUnsignedMediumInt

public static final int readUnsignedMediumInt(org.apache.mina.core.buffer.IoBuffer in)

Reads unsigned medium integer (3 bytes)

Parameters:

in - Unsigned medium int source

Returns:

int value

readMediumInt

public static final int readMediumInt(ByteBuffer in)

Reads medium int

Parameters:

in - Source

Returns:

int value

readMediumInt

public static final int readMediumInt(org.apache.mina.core.buffer.IoBuffer in)

Reads medium int

Parameters:

in - Source

Returns:

int value

readExtendedMediumInt

public static final int readExtendedMediumInt(org.apache.mina.core.buffer.IoBuffer in)

Reads extended medium int

Parameters:

in - Source

Returns:

int value

readExtendedMediumInt

public static final int readExtendedMediumInt(ByteBuffer in)

Reads extended medium int

Parameters:

in - Source

Returns:

int value

readReverseInt

public static final int readReverseInt(org.apache.mina.core.buffer.IoBuffer in)

Reads reverse int

Parameters:

in - Source

Returns:

int

debug

public static final void debug(org.slf4j.Logger log,
                               String msg,
                               org.apache.mina.core.buffer.IoBuffer buf)

Format debug message

Parameters:

log - Logger

msg - Message

buf - Byte buffer to debug

toString

public static final String toString(org.apache.mina.core.buffer.IoBuffer buf)

String representation of byte buffer

Parameters:

buf - Byte buffer

Returns:

String representation

hexStringToByteArray

public static final byte[] hexStringToByteArray(String s)

Returns a byte array for the given hex encoded string.

Parameters:

s - encoded hex string

Returns:

byte array

main

public static void main(String[] args)