Class Args

java.lang.Object

org.jfree.svg.util.Args

public class Args
extends Object

A utility class that performs checks for method argument validity.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Args()

Method Summary

Modifier and Type	Method	Description
static void	arrayMustHaveLength(int length, boolean[] array, String ref)	Checks an array to ensure it has the correct length and throws an IllegalArgumentException if it does not.
static void	arrayMustHaveLength(int length, double[] array, String ref)	Checks an array to ensure it has the correct length and throws an IllegalArgumentException if it does not.
static void	nullNotPermitted(Object obj, String ref)	Checks that an argument is non-null and throws an IllegalArgumentException otherwise.
static void	requireFinitePositive(double d, String ref)	Checks that an argument is a finite positive value and throws an IllegalArgumentException otherwise.
static void	requireInRange(int value, String name, int lowerBound, int upperBound)	Checks that the value falls within the specified range and, if it does not, throws an IllegalArgumentException.

Methods inherited from class Object

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

Constructor Details

Args

private Args()

Method Details

nullNotPermitted

public static void nullNotPermitted(Object obj,
 String ref)

Checks that an argument is non-null and throws an IllegalArgumentException otherwise.

Parameters:

obj - the object to check for null.

ref - the text name for the parameter (to include in the exception message).

requireInRange

public static void requireInRange(int value,
 String name,
 int lowerBound,
 int upperBound)

Checks that the value falls within the specified range and, if it does not, throws an IllegalArgumentException.

Parameters:

value - the value.

name - the parameter name.

lowerBound - the lower bound of the permitted range.

upperBound - the upper bound fo the permitted range.

requireFinitePositive

public static void requireFinitePositive(double d,
 String ref)

Checks that an argument is a finite positive value and throws an IllegalArgumentException otherwise.

Parameters:

d - the value to check.

ref - the text name for the parameter (to include in the exception message).

arrayMustHaveLength

public static void arrayMustHaveLength(int length,
 boolean[] array,
 String ref)

Checks an array to ensure it has the correct length and throws an IllegalArgumentException if it does not.

Parameters:

length - the required length.

array - the array to check.

ref - the text name of the array parameter (to include in the exception message).

arrayMustHaveLength

public static void arrayMustHaveLength(int length,
 double[] array,
 String ref)

Checks an array to ensure it has the correct length and throws an IllegalArgumentException if it does not.

Parameters:

length - the required length.

array - the array to check (null not permitted).

ref - the text name of the array parameter (to include in the exception message).