com.github.fge.jsonschema.core.util

Class ArgumentChecker<T>

java.lang.Object

com.github.fge.jsonschema.core.util.ArgumentChecker<T>

Type Parameters:

T - type of the argument to check

@Beta
public abstract class ArgumentChecker<T>
extends Object

An argument checker

The only method of this interface returns nothing; it is supposed to throw a RuntimeException or derivate if the argument supplied is not legal. Typically, this will be IllegalArgumentException or, if you disallow null arguments, NullPointerException.

Note that the argument to check may be null.

Since:

1.1.9

Field Summary

Fields

Modifier and Type	Field and Description
protected static MessageBundle	BUNDLE

Constructor Summary

Constructors

Constructor and Description
ArgumentChecker()

Method Summary

Modifier and Type	Method and Description
static <X> ArgumentChecker<X>	anythingGoes() As its name says
abstract void	check(T argument) Check the sanity of an argument
static <X> ArgumentChecker<X>	notNull() An argument checker refusing null arguments; fails with a standard message
static <X> ArgumentChecker<X>	notNull(String message) An argument checker refusing null arguments; fails with a customized message

Methods inherited from class java.lang.Object

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

Field Detail

BUNDLE

protected static final MessageBundle BUNDLE

Constructor Detail

ArgumentChecker

public ArgumentChecker()

Method Detail

anythingGoes

public static <X> ArgumentChecker<X> anythingGoes()

As its name says

Type Parameters:

X - the type of the argument

Returns:

an argument checker

notNull

public static <X> ArgumentChecker<X> notNull()

An argument checker refusing null arguments; fails with a standard message

Type Parameters:

X - the type of the argument

Returns:

an argument checker

notNull

public static <X> ArgumentChecker<X> notNull(String message)

An argument checker refusing null arguments; fails with a customized message

Type Parameters:

X - the type of the argument

Parameters:

message - the message to fail with

Returns:

an argument checker

Throws:

NullPointerException - message is null

check

public abstract void check(@Nullable
                           T argument)

Check the sanity of an argument

Parameters:

argument - the argument

Throws:

RuntimeException - see description