org.fest.reflect.constructor

Class Invoker<T>

java.lang.Object

org.fest.reflect.constructor.Invoker<T>

Type Parameters:

T - the class in which the constructor is declared.

The following is an example of proper usage of the classes in this package:

   // Equivalent to call 'new Person()'
   Person p = constructor().in(Person.class).newInstance();

   // Equivalent to call 'new Person("Yoda")'
   Person p = constructor().withParameterTypes(String.class).in(Person.class).newInstance("Yoda");
 

public final class Invoker<T>
extends java.lang.Object

Understands the invocation of a constructor via Java Reflection.

Author:

Alex Ruiz, Yvonne Wang

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.reflect.Constructor<T>	info() Returns the "real" constructor managed by this class.
T	newInstance(java.lang.Object... args) Creates a new instance of T by calling a constructor with the given arguments.
static <T> Invoker<T>	newInvoker(java.lang.Class<T> target, java.lang.Class<?>... parameterTypes)

Methods inherited from class java.lang.Object

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

Method Detail

newInvoker

public static <T> Invoker<T> newInvoker(java.lang.Class<T> target,
                        java.lang.Class<?>... parameterTypes)

newInstance

public T newInstance(java.lang.Object... args)

Creates a new instance of T by calling a constructor with the given arguments.

Parameters:

args - the arguments to pass to the constructor (can be zero or more).

Returns:

the created instance of T.

Throws:

ReflectionError - if a new instance cannot be created.

info

public java.lang.reflect.Constructor<T> info()

Returns the "real" constructor managed by this class.

Returns:

the "real" constructor managed by this class.