org.nd4j.common.io

Class ReflectionUtils

java.lang.Object

org.nd4j.common.io.ReflectionUtils

public abstract class ReflectionUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ReflectionUtils.FieldCallback
static interface	ReflectionUtils.FieldFilter
static interface	ReflectionUtils.MethodCallback
static interface	ReflectionUtils.MethodFilter

Field Summary

Fields

Modifier and Type	Field and Description
static ReflectionUtils.FieldFilter	COPYABLE_FIELDS
static ReflectionUtils.MethodFilter	NON_BRIDGED_METHODS
static ReflectionUtils.MethodFilter	USER_DECLARED_METHODS

Constructor Summary

Constructors

Constructor and Description
ReflectionUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	declaresException(Method method, Class<?> exceptionType)
static void	doWithFields(Class<?> clazz, ReflectionUtils.FieldCallback fc)
static void	doWithFields(Class<?> clazz, ReflectionUtils.FieldCallback fc, ReflectionUtils.FieldFilter ff)
static void	doWithMethods(Class<?> clazz, ReflectionUtils.MethodCallback mc)
static void	doWithMethods(Class<?> clazz, ReflectionUtils.MethodCallback mc, ReflectionUtils.MethodFilter mf)
static Field	findField(Class<?> clazz, String name)
static Field	findField(Class<?> clazz, String name, Class<?> type)
static Method	findMethod(Class<?> clazz, String name)
static Method	findMethod(Class<?> clazz, String name, Class<?>... paramTypes)
static Method[]	getAllDeclaredMethods(Class<?> leafClass)
static Object	getField(Field field, Object target)
static Method[]	getUniqueDeclaredMethods(Class<?> leafClass)
static void	handleInvocationTargetException(InvocationTargetException ex)
static void	handleReflectionException(Exception ex)
static Object	invokeJdbcMethod(Method method, Object target)
static Object	invokeJdbcMethod(Method method, Object target, Object... args)
static Object	invokeMethod(Method method, Object target)
static Object	invokeMethod(Method method, Object target, Object... args)
static boolean	isCglibRenamedMethod(Method renamedMethod)
static boolean	isEqualsMethod(Method method)
static boolean	isHashCodeMethod(Method method)
static boolean	isObjectMethod(Method method)
static boolean	isPublicStaticFinal(Field field)
static boolean	isToStringMethod(Method method)
static void	makeAccessible(Constructor<?> ctor)
static void	makeAccessible(Field field)
static void	makeAccessible(Method method)
static <T> T	newInstance(Class<T> clazz, Object... args) Create a new instance of the specified Class by invoking the constructor whose argument list matches the types of the supplied arguments.
static void	rethrowException(Throwable ex)
static void	rethrowRuntimeException(Throwable ex)
static void	setField(Field field, Object target, Object value)
static void	shallowCopyFieldState(Object src, Object dest)

Methods inherited from class java.lang.Object

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

Field Detail

COPYABLE_FIELDS

public static ReflectionUtils.FieldFilter COPYABLE_FIELDS

NON_BRIDGED_METHODS

public static ReflectionUtils.MethodFilter NON_BRIDGED_METHODS

USER_DECLARED_METHODS

public static ReflectionUtils.MethodFilter USER_DECLARED_METHODS

Constructor Detail

ReflectionUtils

public ReflectionUtils()

Method Detail

findField

public static Field findField(Class<?> clazz,
                              String name)

findField

public static Field findField(Class<?> clazz,
                              String name,
                              Class<?> type)

setField

public static void setField(Field field,
                            Object target,
                            Object value)

getField

public static Object getField(Field field,
                              Object target)

findMethod

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

findMethod

public static Method findMethod(Class<?> clazz,
                                String name,
                                Class<?>... paramTypes)

invokeMethod

public static Object invokeMethod(Method method,
                                  Object target)

invokeMethod

public static Object invokeMethod(Method method,
                                  Object target,
                                  Object... args)

invokeJdbcMethod

public static Object invokeJdbcMethod(Method method,
                                      Object target)
                               throws Exception

Throws:

Exception

invokeJdbcMethod

public static Object invokeJdbcMethod(Method method,
                                      Object target,
                                      Object... args)
                               throws Exception

Throws:

Exception

handleReflectionException

public static void handleReflectionException(Exception ex)

handleInvocationTargetException

public static void handleInvocationTargetException(InvocationTargetException ex)

rethrowRuntimeException

public static void rethrowRuntimeException(Throwable ex)

rethrowException

public static void rethrowException(Throwable ex)
                             throws Exception

Throws:

Exception

declaresException

public static boolean declaresException(Method method,
                                        Class<?> exceptionType)

isPublicStaticFinal

public static boolean isPublicStaticFinal(Field field)

isEqualsMethod

public static boolean isEqualsMethod(Method method)

isHashCodeMethod

public static boolean isHashCodeMethod(Method method)

isToStringMethod

public static boolean isToStringMethod(Method method)

isObjectMethod

public static boolean isObjectMethod(Method method)

isCglibRenamedMethod

public static boolean isCglibRenamedMethod(Method renamedMethod)

makeAccessible

public static void makeAccessible(Field field)

makeAccessible

public static void makeAccessible(Method method)

makeAccessible

public static void makeAccessible(Constructor<?> ctor)

doWithMethods

public static void doWithMethods(Class<?> clazz,
                                 ReflectionUtils.MethodCallback mc)
                          throws IllegalArgumentException

Throws:

IllegalArgumentException

doWithMethods

public static void doWithMethods(Class<?> clazz,
                                 ReflectionUtils.MethodCallback mc,
                                 ReflectionUtils.MethodFilter mf)
                          throws IllegalArgumentException

Throws:

IllegalArgumentException

getAllDeclaredMethods

public static Method[] getAllDeclaredMethods(Class<?> leafClass)
                                      throws IllegalArgumentException

Throws:

IllegalArgumentException

getUniqueDeclaredMethods

public static Method[] getUniqueDeclaredMethods(Class<?> leafClass)
                                         throws IllegalArgumentException

Throws:

IllegalArgumentException

doWithFields

public static void doWithFields(Class<?> clazz,
                                ReflectionUtils.FieldCallback fc)
                         throws IllegalArgumentException

Throws:

IllegalArgumentException

doWithFields

public static void doWithFields(Class<?> clazz,
                                ReflectionUtils.FieldCallback fc,
                                ReflectionUtils.FieldFilter ff)
                         throws IllegalArgumentException

Throws:

IllegalArgumentException

shallowCopyFieldState

public static void shallowCopyFieldState(Object src,
                                         Object dest)
                                  throws IllegalArgumentException

Throws:

IllegalArgumentException

newInstance

public static <T> T newInstance(Class<T> clazz,
                                Object... args)

Create a new instance of the specified Class by invoking the constructor whose argument list matches the types of the supplied arguments.

Provided class must have a public constructor.

Parameters:

clazz - the class to instantiate; never null

args - the arguments to pass to the constructor, none of which may be null

Returns:

the new instance; never null