Package org.cryptacular.util

Class ReflectUtil

java.lang.Object

org.cryptacular.util.ReflectUtil

public final class ReflectUtil
extends Object

Reflection utilities.

Field Summary

Fields

Modifier and Type	Field	Description
private static final Map<String,Method>	METHOD_CACHE	Method cache.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ReflectUtil()	Private constructor of utility class.

Method Summary

Modifier and Type	Method	Description
static Method	getMethod(Class<?> target, String name, Class<?>... parameters)	Gets the method defined on the target class.
static Object	invoke(Object target, Method method, Object... parameters)	Invokes the method on the target object with the given parameters.

Methods inherited from class java.lang.Object

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

Field Details

METHOD_CACHE

private static final Map<String,Method> METHOD_CACHE

Method cache.

Constructor Details

ReflectUtil

private ReflectUtil()

Private constructor of utility class.

Method Details

getMethod

public static Method getMethod(Class<?> target,
 String name,
 Class<?>... parameters)

Gets the method defined on the target class. The method is cached to speed up subsequent lookups.

Parameters:

target - Target class that contains method.

name - Method name.

parameters - Method parameters.

Returns:

Method if found, otherwise null.

invoke

public static Object invoke(Object target,
 Method method,
 Object... parameters)

Invokes the method on the target object with the given parameters.

Parameters:

target - Target class that contains method.

method - Method to invoke on target.

parameters - Method parameters.

Returns:

Method return value. A void method returns null.