net.sourceforge.jpalm
Class Utilities

java.lang.Object
  net.sourceforge.jpalm.Utilities

public class Utilities
extends java.lang.Object

Utility methods for the jpalm package.

Method Summary

static java.lang.String	byteArrayToHexString(byte[] bytes) Converts a byte array to a hexadecimal string.
static java.lang.String	byteToHexString(byte bite) Converts a byte to a hexadecimal string.
static int	indexOf(byte[] bytes, int start, byte value) Gets the index of the first occurrence of value in bytes.
static boolean	isEqual(byte[] one, byte[] two) Determines if two byte arrays are equal.
static boolean	isMatch(java.lang.String string, java.lang.String regex) Determines if a string matches a regular expression.
static byte[]	subbyte(byte[] bytes, int start, int length) Gets a new byte array that is a subset of bytes.

Methods inherited from class java.lang.Object

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

Method Detail

byteArrayToHexString

public static java.lang.String byteArrayToHexString(byte[] bytes)

Converts a byte array to a hexadecimal string. Hexadecimal letters are lowercase.

Parameters:

bytes - a byte array to convert

Returns:

a hexadecimal string

byteToHexString

public static java.lang.String byteToHexString(byte bite)

Converts a byte to a hexadecimal string. Hexadecimal letters are lowercase.

Parameters:

bite - a byte to convert

Returns:

a hexadecimal string

subbyte

public static byte[] subbyte(byte[] bytes,
                             int start,
                             int length)

Gets a new byte array that is a subset of bytes.

Parameters:

bytes - the byte array to sub

start - the start index

length - the number of bytes to include

Returns:

a subset byte array

indexOf

public static int indexOf(byte[] bytes,
                          int start,
                          byte value)

Gets the index of the first occurrence of value in bytes.

Parameters:

bytes - the byte array

start - the index to start searching from

value - the value to search for

Returns:

the index of value or -1 if value could not be found.

isMatch

public static boolean isMatch(java.lang.String string,
                              java.lang.String regex)

Determines if a string matches a regular expression.

Parameters:

string - the string to test

regex - the regular expression

Returns:

true if the string matches; false otherwise

isEqual

public static boolean isEqual(byte[] one,
                              byte[] two)

Determines if two byte arrays are equal.

Parameters:

one - a byte array

two - a byte array

Returns:

true if the arrays are equal; false otherwise