org.assertj.core.util.introspection
Class MethodSupport

java.lang.Object
  org.assertj.core.util.introspection.MethodSupport

public class MethodSupport
extends Object

Utillity class for reflective method invocation.

Author:

Michał Piotrkowski

Constructor Summary

MethodSupport()

Method Summary

static Object

methodResultFor(Object instance, String methodName) Returns result of given method invocation on provided object.

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodSupport

public MethodSupport()

Method Detail

methodResultFor

public static Object methodResultFor(Object instance,
                                     String methodName)

Returns result of given method invocation on provided object.

Following requirements have to be met to extract method results:

• method has to be public,
• method cannot accept any arguments,
• method cannot return void.

Parameters:

instance - object on which

methodName - name of method to be invoked

Returns:

result of method invocation

Throws:

IllegalArgumentException - if method does not exist or is not public, method returns void or method accepts any argument