org.apache.mina.proxy.utils
Class ByteUtilities

java.lang.Object
  org.apache.mina.proxy.utils.ByteUtilities

public class ByteUtilities
extends Object

ByteUtilities.java - Byte manipulation functions.

Since:

MINA 2.0.0-M3

Version:

$Rev: 685703 $, $Date: 2008-08-14 00:14:47 +0200 (Do, 14 Aug 2008) $

Author:

The Apache MINA Project (dev@mina.apache.org)

Constructor Summary

ByteUtilities()

Method Summary

static byte[]	asByteArray(String hex)
static String	asHex(byte[] bytes)
static String	asHex(byte[] bytes, String separator)
static void	changeByteEndianess(byte[] b, int offset, int length)
static void	changeWordEndianess(byte[] b, int offset, int length)
static byte[]	encodeString(String s, boolean useUnicode)
static byte[]	getOEMStringAsByteArray(String s)
static byte[]	getUTFStringAsByteArray(String s)
static byte[]	intToNetworkByteOrder(int num, byte[] buf, int start, int count) Encodes an integer into 4 bytes in network byte order in the buffer supplied.
static boolean	isFlagSet(int flagSet, int testFlag) Return true if the flag testFlag is set in the flags flagset.
static int	makeIntFromByte2(byte[] b)
static int	makeIntFromByte2(byte[] b, int offset)
static int	makeIntFromByte4(byte[] b)
static int	makeIntFromByte4(byte[] b, int offset)
static int	networkByteOrderToInt(byte[] buf, int start, int count) Returns the integer represented by 4 bytes in network byte order.
static byte[]	writeInt(int v) Write a 32 bit int as LITTLE_ENDIAN.
static byte[]	writeInt(int v, byte[] b, int offset) Write a 32 bit int as LITTLE_ENDIAN to the given array b at offset offset.
static byte[]	writeShort(short v) Write a 16 bit short as LITTLE_ENDIAN.
static byte[]	writeShort(short v, byte[] b, int offset) Write a 16 bit short as LITTLE_ENDIAN to the given array b at offset offset.

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteUtilities

public ByteUtilities()

Method Detail

networkByteOrderToInt

public static int networkByteOrderToInt(byte[] buf,
                                        int start,
                                        int count)

Returns the integer represented by 4 bytes in network byte order.

intToNetworkByteOrder

public static byte[] intToNetworkByteOrder(int num,
                                           byte[] buf,
                                           int start,
                                           int count)

Encodes an integer into 4 bytes in network byte order in the buffer supplied.

writeShort

public static final byte[] writeShort(short v)

Write a 16 bit short as LITTLE_ENDIAN.

Parameters:

v - the short to write

writeShort

public static final byte[] writeShort(short v,
                                      byte[] b,
                                      int offset)

Write a 16 bit short as LITTLE_ENDIAN to the given array b at offset offset.

Parameters:

v - the short to write

writeInt

public static final byte[] writeInt(int v)

Write a 32 bit int as LITTLE_ENDIAN.

Parameters:

v - the int to write

writeInt

public static final byte[] writeInt(int v,
                                    byte[] b,
                                    int offset)

Write a 32 bit int as LITTLE_ENDIAN to the given array b at offset offset.

Parameters:

v - the int to write

changeWordEndianess

public static final void changeWordEndianess(byte[] b,
                                             int offset,
                                             int length)

changeByteEndianess

public static final void changeByteEndianess(byte[] b,
                                             int offset,
                                             int length)

getOEMStringAsByteArray

public static final byte[] getOEMStringAsByteArray(String s)
                                            throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

getUTFStringAsByteArray

public static final byte[] getUTFStringAsByteArray(String s)
                                            throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

encodeString

public static final byte[] encodeString(String s,
                                        boolean useUnicode)
                                 throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

asHex

public static String asHex(byte[] bytes)

asHex

public static String asHex(byte[] bytes,
                           String separator)

asByteArray

public static byte[] asByteArray(String hex)

makeIntFromByte4

public static final int makeIntFromByte4(byte[] b)

makeIntFromByte4

public static final int makeIntFromByte4(byte[] b,
                                         int offset)

makeIntFromByte2

public static final int makeIntFromByte2(byte[] b)

makeIntFromByte2

public static final int makeIntFromByte2(byte[] b,
                                         int offset)

isFlagSet

public static final boolean isFlagSet(int flagSet,
                                      int testFlag)

Return true if the flag testFlag is set in the flags flagset.

Parameters:

flagset - the flagset to test

testFlag - the flag we search the presence of

Returns:

true if testFlag is present in the flagset, false otherwise.