org.fest.reflect.method

Class MethodReturnType<T>

java.lang.Object

org.fest.reflect.method.MethodReturnType<T>

Type Parameters:

T - the generic type of the method's return type.

public class MethodReturnType<T>
extends java.lang.Object

Understands the return type of the method to invoke.

The following is an example of proper usage of this class:

   // Equivalent to call 'person.setName("Luke")'
   method("setName").withParameterTypes(String.class)
                    .in(person)
                    .invoke("Luke");

   // Equivalent to call 'person.concentrate()'
   method("concentrate").in(person).invoke();

   // Equivalent to call 'person.getName()'
   String name = method("getName").withReturnType(String.class)
                                  .in(person)
                                  .invoke();
 

Author:

Yvonne Wang, Alex Ruiz

Method Summary

Methods

Modifier and Type	Method and Description
Invoker<T>	in(java.lang.Object target) Creates a new method invoker.
MethodParameterTypes<T>	withParameterTypes(java.lang.Class<?>... parameterTypes) Specifies the parameter types of the method to invoke.

Methods inherited from class java.lang.Object

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

Method Detail

in

public Invoker<T> in(java.lang.Object target)

Creates a new method invoker.

Parameters:

target - the object containing the method to invoke.

Returns:

the created method invoker.

Throws:

java.lang.NullPointerException - if the given target is null.

withParameterTypes

public MethodParameterTypes<T> withParameterTypes(java.lang.Class<?>... parameterTypes)

Specifies the parameter types of the method to invoke. This method call is optional if the method to invoke does not take arguments.

Parameters:

parameterTypes - the parameter types of the method to invoke.

Returns:

the created parameter types holder.

Throws:

java.lang.NullPointerException - if the array of parameter types is null.