org.apache.commons.beanutils2
Class Argument<T>

java.lang.Object
  org.apache.commons.beanutils2.Argument<T>

Type Parameters:

T - the type of the argument.

public final class Argument<T>
extends Object

An argument represents a value of some type that can be passed to a method or constructor.

Method Summary

static <A> Argument<A>	argument(A value) Factory method for arguments.
static <T,V extends T> Argument<T>	argument(Class<T> type, V value) Creates a new argument of the given type with the given value.
Class<T>	getType()
T	getValue()
static <A> Argument<A>	nullArgument(Class<A> type) Creates a new null argument of the given type.

Methods inherited from class java.lang.Object

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

Method Detail

argument

public static <A> Argument<A> argument(A value)

Factory method for arguments. Creates an argument by taking a value and determining the type of the given value.

Parameters:

value - the value to be wrapped by the new argument object. Must not be null! If you want to create a null argument use nullArgument(Class) instead.

Returns:

a new argument of type value.getClass()

Throws:

NullPointerException - if value is null

nullArgument

public static <A> Argument<A> nullArgument(Class<A> type)

Creates a new null argument of the given type.

Parameters:

type - the type of the new argument

Returns:

an argument with value == null.

Throws:

NullPointerException - if type is null.

argument

public static <T,V extends T> Argument<T> argument(Class<T> type,
                                                   V value)

Creates a new argument of the given type with the given value.

Parameters:

type - the type of the new argument. Must not be null!

value - the value of the new argument.

Returns:

a new argument of the given type with the given value.

Throws:

NullPointerException - if type is null

getType

public Class<T> getType()

getValue

public T getValue()