org.cryptacular.util

Class ReflectUtil

java.lang.Object

org.cryptacular.util.ReflectUtil

public final class ReflectUtil
extends java.lang.Object

Reflection utilities.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.util.Map<java.lang.String,java.lang.reflect.Method>	METHOD_CACHE Method cache.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
static java.lang.reflect.Method	getMethod(java.lang.Class<?> target, java.lang.String name, java.lang.Class<?>... parameters) Gets the method defined on the target class.
static java.lang.Object	invoke(java.lang.Object target, java.lang.reflect.Method method, java.lang.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 Detail

METHOD_CACHE

private static final java.util.Map<java.lang.String,java.lang.reflect.Method> METHOD_CACHE

Method cache.

Constructor Detail

ReflectUtil

private ReflectUtil()

Private constructor of utility class.

Method Detail

getMethod

public static java.lang.reflect.Method getMethod(java.lang.Class<?> target,
                                                 java.lang.String name,
                                                 java.lang.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 java.lang.Object invoke(java.lang.Object target,
                                      java.lang.reflect.Method method,
                                      java.lang.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.