org.postgresql.util
Class ByteConverter

java.lang.Object
  org.postgresql.util.ByteConverter

public class ByteConverter
extends Object

Helper methods to parse java base types from byte arrays.

Author:

Mikko Tiihonen

Method Summary

static float	float4(byte[] bytes, int idx) Parses a float value from the byte array.
static void	float4(byte[] target, int idx, float value) Encodes a int value to the byte array.
static double	float8(byte[] bytes, int idx) Parses a double value from the byte array.
static void	float8(byte[] target, int idx, double value) Encodes a int value to the byte array.
static short	int2(byte[] bytes, int idx) Parses a short value from the byte array.
static void	int2(byte[] target, int idx, int value) Encodes a int value to the byte array.
static int	int4(byte[] bytes, int idx) Parses an int value from the byte array.
static void	int4(byte[] target, int idx, int value) Encodes a int value to the byte array.
static long	int8(byte[] bytes, int idx) Parses a long value from the byte array.
static void	int8(byte[] target, int idx, long value) Encodes a long value to the byte array.

Methods inherited from class java.lang.Object

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

Method Detail

int8

public static long int8(byte[] bytes,
                        int idx)

Parses a long value from the byte array.

Parameters:

bytes - The byte array to parse.

idx - The starting index of the parse in the byte array.

Returns:

parsed long value.

int4

public static int int4(byte[] bytes,
                       int idx)

Parses an int value from the byte array.

Parameters:

bytes - The byte array to parse.

idx - The starting index of the parse in the byte array.

Returns:

parsed int value.

int2

public static short int2(byte[] bytes,
                         int idx)

Parses a short value from the byte array.

Parameters:

bytes - The byte array to parse.

idx - The starting index of the parse in the byte array.

Returns:

parsed short value.

float4

public static float float4(byte[] bytes,
                           int idx)

Parses a float value from the byte array.

Parameters:

bytes - The byte array to parse.

idx - The starting index of the parse in the byte array.

Returns:

parsed float value.

float8

public static double float8(byte[] bytes,
                            int idx)

Parses a double value from the byte array.

Parameters:

bytes - The byte array to parse.

idx - The starting index of the parse in the byte array.

Returns:

parsed double value.

int8

public static void int8(byte[] target,
                        int idx,
                        long value)

Encodes a long value to the byte array.

Parameters:

target - The byte array to encode to.

idx - The starting index in the byte array.

value - The value to encode.

int4

public static void int4(byte[] target,
                        int idx,
                        int value)

Encodes a int value to the byte array.

Parameters:

target - The byte array to encode to.

idx - The starting index in the byte array.

value - The value to encode.

int2

public static void int2(byte[] target,
                        int idx,
                        int value)

Encodes a int value to the byte array.

Parameters:

target - The byte array to encode to.

idx - The starting index in the byte array.

value - The value to encode.

float4

public static void float4(byte[] target,
                          int idx,
                          float value)

Encodes a int value to the byte array.

Parameters:

target - The byte array to encode to.

idx - The starting index in the byte array.

value - The value to encode.

float8

public static void float8(byte[] target,
                          int idx,
                          double value)

Encodes a int value to the byte array.

Parameters:

target - The byte array to encode to.

idx - The starting index in the byte array.

value - The value to encode.