joptsimple.internal

Class Reflection

java.lang.Object

joptsimple.internal.Reflection

public final class Reflection
extends Object

Helper methods for reflection.

Author:

Paul Holser

Method Summary

Modifier and Type	Method and Description
static <V> V	convertWith(ValueConverter<V> converter, String raw)
static <V> ValueConverter<V>	findConverter(Class<V> clazz) Finds an appropriate value converter for the given class.
static <T> T	instantiate(Constructor<T> constructor, Object... args) Invokes the given constructor with the given arguments.
static Object	invoke(Method method, Object... args) Invokes the given static method with the given arguments.

Methods inherited from class java.lang.Object

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

Method Detail

findConverter

public static <V> ValueConverter<V> findConverter(Class<V> clazz)

Finds an appropriate value converter for the given class.

Type Parameters:

V - a constraint on the class object to introspect

Parameters:

clazz - class to introspect on

Returns:

a converter method or constructor

instantiate

public static <T> T instantiate(Constructor<T> constructor,
                                Object... args)

Invokes the given constructor with the given arguments.

Type Parameters:

T - constraint on the type of the objects yielded by the constructor

Parameters:

constructor - constructor to invoke

args - arguments to hand to the constructor

Returns:

the result of invoking the constructor

Throws:

ReflectionException - in lieu of the gaggle of reflection-related exceptions

invoke

public static Object invoke(Method method,
                            Object... args)

Invokes the given static method with the given arguments.

Parameters:

method - method to invoke

args - arguments to hand to the method

Returns:

the result of invoking the method

Throws:

ReflectionException - in lieu of the gaggle of reflection-related exceptions

convertWith

public static <V> V convertWith(ValueConverter<V> converter,
                                String raw)