Package org.faktorips.runtime.util

Class ReflectionHelper

java.lang.Object

org.faktorips.runtime.util.ReflectionHelper

public class ReflectionHelper
extends Object

A helper to make dealing with Java's reflection API a little easier.

Method Summary

Modifier and Type	Method	Description
static <T, R> Optional<R>	findFieldValue(Class<T> clazz, String fieldName, T object)	Finds a field of the given name in the given class and returns its value from the given object, if such a field is present, otherwise an empty Optional.
static <R> Optional<R>	findStaticFieldValue(Class<?> clazz, String fieldName)	Finds a static field of the given name in the given class and returns its value, if such a field is present, otherwise an empty Optional.

Methods inherited from class java.lang.Object

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

Method Details

findStaticFieldValue

public static <R> Optional<R> findStaticFieldValue(Class<?> clazz,
 String fieldName)

Finds a static field of the given name in the given class and returns its value, if such a field is present, otherwise an empty Optional.

Type Parameters:

R - the return value's type

Parameters:

clazz - a class

fieldName - the name of a field of the class

Returns:

the field's value if present, otherwise an empty Optional.

findFieldValue

public static <T,
R> Optional<R> findFieldValue(Class<T> clazz,
 String fieldName,
 T object)

Finds a field of the given name in the given class and returns its value from the given object, if such a field is present, otherwise an empty Optional.

Type Parameters:

T - the type of the class and object

R - the return value's type

Parameters:

clazz - a class

fieldName - the name of a field of the class

object - an object of the type of the clazz; may be null for static fields

Returns:

the field's value if present, otherwise an empty Optional.