Package org.aksw.commons.util.reflect

Class ClassUtils

java.lang.Object

org.aksw.commons.util.reflect.ClassUtils

public class ClassUtils
extends Object

Author:

Claus Stadler Date: 6/3/11

Constructor Summary

Constructors

Constructor	Description
ClassUtils()

Method Summary

Modifier and Type	Method	Description
static java.util.stream.Stream<List<Class<?>>>	bfsStream(Class<?> start)	Stream a classes super class and interfaces as lists of breadths
static Object	forceInvoke(Object o, Method m, Object[] args)
static Object	forceInvoke(Method m, Object[] args)
static List<Method>	getAllNonOverriddenMethods(Class<?> clazz)	Returns all non-overridden methods for the given class.
static List<Method>	getAllNonOverriddenMethods(Class<?> clazz, String name)
static java.util.stream.Stream<Class<?>>	getDirectSuperclassAndInterfaces(Class<?> cls)
static Integer[]	getDistance(Class<?>[] a, Class<?>[] b)
static Integer	getDistance(Class<?> given, Class<?> there)	Returns the minimum distance of two classes in an inheritance hierarchy Null if there is no distance
static Integer[]	getDistance(Class<?> ra, Class<?> rb, Class<?>[] a, Class<?>[] b)	Including return types
static <T> T	getFieldValue(Class<?> clazz, String fieldName, Object obj)
static <T> T	getFieldValue(Object obj, String fieldName)
static <T> T	getFieldValueChecked(Class<?> clazz, String fieldName, Object obj)
static Set<Class<?>>	getMostSpecificSubclasses(Class<?> given, Collection<Class<?>> classes)
static Set<Class<?>>	getNonSubsumedClasses(Collection<Class<?>> classes)
static Integer	getRelation(Integer[] a, Integer[] b)
static Class<?>[]	getTypeSignature(Object[] args)
static List<Class<?>>	getTypeSignatureList(Object[] args)
static void	setFieldValue(Class<?> clazz, String fieldName, Object obj, Object value)
static void	setFieldValue(Object obj, String fieldName, Object value)
static void	setFieldValueChecked(Class<?> clazz, String fieldName, Object obj, Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassUtils

public ClassUtils()

Method Detail

getDirectSuperclassAndInterfaces

public static java.util.stream.Stream<Class<?>> getDirectSuperclassAndInterfaces(Class<?> cls)

bfsStream

public static java.util.stream.Stream<List<Class<?>>> bfsStream(Class<?> start)

Stream a classes super class and interfaces as lists of breadths

getFieldValueChecked

public static <T> T getFieldValueChecked(Class<?> clazz,
                                         String fieldName,
                                         Object obj)
                                  throws NoSuchFieldException,
                                         SecurityException,
                                         IllegalArgumentException,
                                         IllegalAccessException

Throws:

NoSuchFieldException

SecurityException

IllegalArgumentException

IllegalAccessException

getFieldValue

public static <T> T getFieldValue(Class<?> clazz,
                                  String fieldName,
                                  Object obj)

getFieldValue

public static <T> T getFieldValue(Object obj,
                                  String fieldName)

setFieldValueChecked

public static void setFieldValueChecked(Class<?> clazz,
                                        String fieldName,
                                        Object obj,
                                        Object value)
                                 throws IllegalArgumentException,
                                        IllegalAccessException,
                                        NoSuchFieldException,
                                        SecurityException

Throws:

IllegalArgumentException

IllegalAccessException

NoSuchFieldException

SecurityException

setFieldValue

public static void setFieldValue(Class<?> clazz,
                                 String fieldName,
                                 Object obj,
                                 Object value)

setFieldValue

public static void setFieldValue(Object obj,
                                 String fieldName,
                                 Object value)

forceInvoke

public static Object forceInvoke(Method m,
                                 Object[] args)

forceInvoke

public static Object forceInvoke(Object o,
                                 Method m,
                                 Object[] args)

getDistance

public static Integer getDistance(Class<?> given,
                                  Class<?> there)

Returns the minimum distance of two classes in an inheritance hierarchy Null if there is no distance

getTypeSignatureList

public static List<Class<?>> getTypeSignatureList(Object[] args)

getTypeSignature

public static Class<?>[] getTypeSignature(Object[] args)

getDistance

public static Integer[] getDistance(Class<?>[] a,
                                    Class<?>[] b)

getDistance

public static Integer[] getDistance(Class<?> ra,
                                    Class<?> rb,
                                    Class<?>[] a,
                                    Class<?>[] b)

Including return types

Parameters:

ra -

rb -

a -

b -

Returns:

getRelation

public static Integer getRelation(Integer[] a,
                                  Integer[] b)

Parameters:

a -

b -

Returns:

L, LE, E, GE, G, Mixed

getAllNonOverriddenMethods

public static List<Method> getAllNonOverriddenMethods(Class<?> clazz)

Returns all non-overridden methods for the given class.

Parameters:

clazz -

Returns:

getAllNonOverriddenMethods

public static List<Method> getAllNonOverriddenMethods(Class<?> clazz,
                                                      String name)

Parameters:

clazz -

name - Convenience filter by name

Returns:

getMostSpecificSubclasses

public static Set<Class<?>> getMostSpecificSubclasses(Class<?> given,
                                                      Collection<Class<?>> classes)

getNonSubsumedClasses

public static Set<Class<?>> getNonSubsumedClasses(Collection<Class<?>> classes)