com.mhuss.Util
Class CMac

java.lang.Object
  com.mhuss.Util.CMac

public class CMac
extends java.lang.Object

This is a set of handy utility functions (from 'C' land).
Note: For simplicity, these assume the 'C' locale and ASCII charset

Constructor Summary

CMac()

Method Summary

static boolean	isalnum(char c) Returns true if the char isalpha() or isdigit().
static boolean	isalpha(char c) Returns true if the char isupper() or islower().
static boolean	isascii(char c) Returns true if the int value of the char is from 0 to 127 inclusive.
static boolean	isdigit(char c) Returns true if the char is from '0' to '9' inclusive.
static boolean	islower(char c) Returns true if the char is from 'a' to 'z' inclusive.
static boolean	isspace(char c) Returns true if the char is in the set SP, HT, LF, VT, FF, CR.
static boolean	isupper(char c) Returns true if the char is from 'A' to 'Z' inclusive.
static boolean	isxdigit(char c) Returns true if the char isdigit() or is from 'A' to 'F' or 'a' to 'f' inclusive.
static char	tolower(char c) Returns lowercase of input char if input is from 'A' to 'Z', else returns input char unchanged.
static char	toupper(char c) Returns uppercase of input char if input is from 'a' to 'z', else returns input char unchanged.

Methods inherited from class java.lang.Object

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

Constructor Detail

CMac

public CMac()

Method Detail

isalpha

public static boolean isalpha(char c)

Returns true if the char isupper() or islower().

isupper

public static boolean isupper(char c)

Returns true if the char is from 'A' to 'Z' inclusive.

islower

public static boolean islower(char c)

Returns true if the char is from 'a' to 'z' inclusive.

isdigit

public static boolean isdigit(char c)

Returns true if the char is from '0' to '9' inclusive.

isxdigit

public static boolean isxdigit(char c)

Returns true if the char isdigit() or is from 'A' to 'F' or 'a' to 'f' inclusive.

isalnum

public static boolean isalnum(char c)

Returns true if the char isalpha() or isdigit().

isspace

public static boolean isspace(char c)

Returns true if the char is in the set SP, HT, LF, VT, FF, CR.

isascii

public static boolean isascii(char c)

Returns true if the int value of the char is from 0 to 127 inclusive.

toupper

public static char toupper(char c)

Returns uppercase of input char if input is from 'a' to 'z', else returns input char unchanged.

tolower

public static char tolower(char c)

Returns lowercase of input char if input is from 'A' to 'Z', else returns input char unchanged.