Package org.cryptacular

Class CryptUtil

java.lang.Object

org.cryptacular.CryptUtil

public final class CryptUtil
extends Object

Provides utility methods for this package.

Author:

Middleware Services

Method Summary

Modifier and Type	Method	Description
static <T> T	assertNotNullArg(T o, String msg)	Throws IllegalArgumentException if the supplied object is null.
static <T> T	assertNotNullArgOr(T o, Predicate<T> predicate, String msg)	Throws IllegalArgumentException if the supplied object is null or the supplied predicate returns true.
static int	parseInt(String value, Predicate<Integer> require, int defaultValue)	Parse the supplied value as an integer.

Methods inherited from class java.lang.Object

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

Method Details

parseInt

public static int parseInt(String value,
 Predicate<Integer> require,
 int defaultValue)

Parse the supplied value as an integer. Returns the default value if the predicate is not met or if the value cannot be parsed.

Parameters:

value - to parse

require - predicate to enforce

defaultValue - to return if predicate is false

Returns:

parsed integer or default

assertNotNullArg

public static <T> T assertNotNullArg(T o,
 String msg)

Throws IllegalArgumentException if the supplied object is null.

Type Parameters:

T - type of object

Parameters:

o - to check

msg - to include in the exception

Returns:

supplied object

assertNotNullArgOr

public static <T> T assertNotNullArgOr(T o,
 Predicate<T> predicate,
 String msg)

Throws IllegalArgumentException if the supplied object is null or the supplied predicate returns true.

Type Parameters:

T - type of object

Parameters:

o - to check

predicate - to test

msg - to include in the exception

Returns:

supplied object