de.whitefrog.frogr.helper

Class ReflectionUtil

java.lang.Object

de.whitefrog.frogr.helper.ReflectionUtil

public class ReflectionUtil
extends Object

Utility class that uses java.lang.reflect standard library. It provides easy access to the standard reflect methods that are needed usually when dealing with generic object types.

- Stripped down to only needed methods -

Since:

2014-04-13

Version:

1.1

Author:

Qussay Najjar

Method Summary

Modifier and Type	Method and Description
static Class<?>	getClass(Type type) Returns the Class object associated with the given Type depending on its fully qualified name.
static String	getClassName(Type type) Type#toString() value is the fully qualified class name prefixed with TYPE_CLASS_NAME_PREFIX.
static Class<?>	getGenericClass(Field field)
static Type[]	getParameterizedTypes(Object object) Returns an array of Type objects representing the actual type arguments to this object.
static Field	getSuperField(Class clazz, String name)

Methods inherited from class java.lang.Object

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

Method Detail

getClassName

public static String getClassName(Type type)

Type#toString() value is the fully qualified class name prefixed with TYPE_CLASS_NAME_PREFIX. This method will substring it, for it to be eligible for Class.forName(String).

Parameters:

type - the Type value whose class name is needed.

Returns:

String class name of the invoked type.

See Also:

Object.getClass()

getClass

public static Class<?> getClass(Type type)
                         throws ClassNotFoundException

Returns the Class object associated with the given Type depending on its fully qualified name.

Parameters:

type - the Type whose Class is needed.

Returns:

the Class object for the class with the specified name.

Throws:

ClassNotFoundException - if the class cannot be located.

See Also:

getClassName(Type)

getGenericClass

public static Class<?> getGenericClass(Field field)

getParameterizedTypes

public static Type[] getParameterizedTypes(Object object)

Returns an array of Type objects representing the actual type arguments to this object. If the returned value is null, then this object represents a non-parameterized object.

Parameters:

object - the object whose type arguments are needed.

Returns:

an array of Type objects representing the actual type arguments to this object.

See Also:

Class.getGenericSuperclass(), ParameterizedType.getActualTypeArguments()

getSuperField

public static Field getSuperField(Class clazz,
                                  String name)
                           throws NoSuchFieldException

Throws:

NoSuchFieldException