org.npsnet.xrti.utilities
Class EncodingHelpers

java.lang.Object
  org.npsnet.xrti.utilities.EncodingHelpers

public class EncodingHelpers

extends java.lang.Object

Utility methods for encoding and decoding basic types, modeled after those supplied with the DMSO RTI.

Author:

Andrzej Kapolka

Constructor Summary

EncodingHelpers()

Method Summary

static boolean	decodeBoolean(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static byte	decodeByte(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static double	decodeDouble(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static float	decodeFloat(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static char	decodeChar(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static int	decodeInt(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static long	decodeLong(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static short	decodeShort(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static java.lang.String	decodeString(byte[] buffer) Decodes and returns the value stored in the specified buffer.
static byte[]	encodeBoolean(boolean value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeByte(byte value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeDouble(double value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeFloat(float value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeChar(char value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeInt(int value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeLong(long value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeShort(short value) Encodes the specified value, returning the result as a byte array.
static byte[]	encodeString(java.lang.String value) Encodes the specified value, returning the result as a byte array.
static void	reverse(byte[] buffer) Reverses the specified byte array in-place.

Methods inherited from class java.lang.Object

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

Constructor Detail

EncodingHelpers

public EncodingHelpers()

Method Detail

encodeBoolean

public static byte[] encodeBoolean(boolean value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeByte

public static byte[] encodeByte(byte value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeChar

public static byte[] encodeChar(char value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeDouble

public static byte[] encodeDouble(double value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeFloat

public static byte[] encodeFloat(float value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeInt

public static byte[] encodeInt(int value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeLong

public static byte[] encodeLong(long value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeShort

public static byte[] encodeShort(short value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

encodeString

public static byte[] encodeString(java.lang.String value)

Encodes the specified value, returning the result as a byte array.

Parameters:

value - the value to encode

Returns:

a byte array containing the encoded value

decodeBoolean

public static boolean decodeBoolean(byte[] buffer)
                             throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeByte

public static byte decodeByte(byte[] buffer)
                       throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeChar

public static char decodeChar(byte[] buffer)
                       throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeDouble

public static double decodeDouble(byte[] buffer)
                           throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeFloat

public static float decodeFloat(byte[] buffer)
                         throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeInt

public static int decodeInt(byte[] buffer)
                     throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeLong

public static long decodeLong(byte[] buffer)
                       throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeShort

public static short decodeShort(byte[] buffer)
                         throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

decodeString

public static java.lang.String decodeString(byte[] buffer)
                                     throws CouldNotDecode

Decodes and returns the value stored in the specified buffer.

Parameters:

buffer - the buffer containing the encoded value

Returns:

the decoded value

Throws:

CouldNotDecode - if the value could not be decoded

reverse

public static void reverse(byte[] buffer)

Reverses the specified byte array in-place.

Parameters:

buffer - the byte array to reverse