no.acntech.common.test

Class TestReflectionUtils

java.lang.Object

no.acntech.common.test.TestReflectionUtils

public final class TestReflectionUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static Object	invokePrivateMethod(Object target, String methodName, Object... args)
static void	setInternalField(Object target, String fieldName, Object value) Set the value of the field of an object.

Methods inherited from class java.lang.Object

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

Method Detail

setInternalField

public static void setInternalField(Object target,
                                    String fieldName,
                                    Object value)
                             throws IllegalAccessException,
                                    NoSuchFieldException

Set the value of the field of an object.

Parameters:

target - The target object to set the field value of.

fieldName - The name of the field to set the value of.

value - The value to set into the object field.

Throws:

IllegalArgumentException - If target object is null.

IllegalAccessException - If unable to set the field value of the target object.

NoSuchFieldException - If no field found for fieldName.

invokePrivateMethod

public static Object invokePrivateMethod(Object target,
                                         String methodName,
                                         Object... args)
                                  throws IllegalAccessException,
                                         NoSuchMethodException,
                                         InvocationTargetException

Parameters:

target - The target object to invoke method of.

methodName - The name of the method to invoke.

args - The arguments of the method to be invoked.

Returns:

Return value of the method, unless it is a void method, which will return null;

Throws:

IllegalArgumentException - If target object is null.

IllegalAccessException - If access to method is illegal.

NoSuchMethodException - If no method can be found for name.

InvocationTargetException - If the method throws an exception.