Package io.github.cjstehno.testthings.util

Class Reflections

java.lang.Object

io.github.cjstehno.testthings.util.Reflections

public final class Reflections
extends Object

Some utility methods for working with reflection. These are mostly meant for internal use.

Constructor Summary

Constructors

Constructor	Description
Reflections()

Method Summary

Modifier and Type	Method	Description
static <R> R	extractValue(Object classOrInstance, Field field, Class<? extends R> valueType)	Extracts the value from the field of the specified instance or class with the given type.
static void	invokeMethod(Object classOrInstance, Method method)	Invokes a non-returning method on the specified class or instance.

Methods inherited from class java.lang.Object

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

Constructor Details

Reflections

public Reflections()

Method Details

extractValue

public static <R> R extractValue(Object classOrInstance,
 Field field,
 Class<? extends R> valueType)

Extracts the value from the field of the specified instance or class with the given type. Any exception is wrapped in a RuntimeException.

Type Parameters:

R - the value type of the field

Parameters:

classOrInstance - the class or instance where the field is defined

field - the field

valueType - the value type of the field

Returns:

the extracted field value

invokeMethod

public static void invokeMethod(Object classOrInstance,
 Method method)

Invokes a non-returning method on the specified class or instance. Any exception is wrapped in a RuntimeException.

Parameters:

classOrInstance - the class or instance where the method is defined

method - the method