com.github.jlangch.venice.impl.util.reflect

Class ReflectionUtil

java.lang.Object

com.github.jlangch.venice.impl.util.reflect.ReflectionUtil

public class ReflectionUtil
extends java.lang.Object

Java reflection utilities

Constructor Summary

Constructors

Constructor and Description
ReflectionUtil()

Method Summary

Modifier and Type	Method and Description
static int	arity(java.lang.reflect.Constructor<?> constructor)
static int	arity(java.lang.reflect.Method method)
static java.lang.Class<?>	classForName(java.lang.String name) Load a class
static java.util.List<java.lang.Class<?>>	distinct(java.util.List<java.lang.Class<?>> classes)
static java.util.List<java.lang.Class<?>>	getAllDirectInterfaces(java.lang.Class<?> type)
static java.util.List<java.lang.Class<?>>	getAllInterfaces(java.util.List<java.lang.Class<?>> classes)
static java.util.List<java.lang.reflect.Method>	getAllPublicInstanceMethods(java.lang.Class<?> clazz, boolean includeInheritedClasses)
static java.util.List<java.lang.reflect.Method>	getAllPublicInstanceMethods(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Integer arity, boolean includeInheritedClasses)
static java.util.List<java.lang.reflect.Method>	getAllPublicMethods(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Integer arity, boolean includeInheritedClasses, boolean addInstanceMethods, boolean addStaticMethods, boolean addTransientMethods, boolean addDeprecatedMethods)
static java.util.List<java.lang.reflect.Method>	getAllPublicStaticMethods(java.lang.Class<?> clazz, boolean includeInheritedClasses)
static java.util.List<java.lang.reflect.Method>	getAllPublicStaticMethods(java.lang.Class<?> clazz, java.lang.String methodName, java.lang.Integer arity, boolean includeInheritedClasses)
static java.util.List<java.lang.Class<?>>	getAllSuperclasses(java.lang.Class<?> clazz)
static java.lang.String	getAttributeNameByGetter(java.lang.reflect.Method getter)
static java.lang.reflect.Method	getBeanGetterMethod(java.lang.Class<?> clazz, java.lang.String propertyName)
static java.util.List<java.lang.reflect.Method>	getBeanGetterMethods(java.lang.Class<?> type)
static java.util.List<java.lang.String>	getBeanGetterProperties(java.lang.Class<?> type)
static java.lang.String	getBeanPropertyName(java.lang.reflect.Method method)
static java.lang.reflect.Method	getBeanSetterMethod(java.lang.Class<?> clazz, java.lang.String propertyName)
static java.util.List<java.lang.reflect.Method>	getBeanSetterMethods(java.lang.Class<?> type)
static java.util.List<java.lang.String>	getBeanSetterProperties(java.lang.Class<?> type)
static java.lang.reflect.Constructor<?>	getDefaultConstructor(java.lang.Class<?> type)
static java.lang.Class<?>	getGenericType(java.lang.Class<?> clazz, int idx) Gets the type of a generic parameter of a class that has a generic super class.
static java.util.List<java.lang.reflect.Constructor<?>>	getPublicConstructors(java.lang.Class<?> type)
static java.util.List<java.lang.reflect.Constructor<?>>	getPublicConstructors(java.lang.Class<?> type, int numArgs)
static java.lang.reflect.Field	getPublicInstanceField(java.lang.Class<?> clazz, java.lang.String name)
static java.util.List<java.lang.reflect.Field>	getPublicInstanceFields(java.lang.Class<?> clazz)
static java.lang.reflect.Field	getPublicStaticField(java.lang.Class<?> clazz, java.lang.String name)
static java.util.List<java.lang.reflect.Field>	getPublicStaticFields(java.lang.Class<?> clazz)
static java.lang.Class<?>	getSuperclass(java.lang.Class<?> type)
static java.lang.reflect.Type[]	getTypeArguments(java.lang.reflect.Type type) Returns the type arguments of a parameterized type if the given type is not parameterized, null is returned
static boolean	hasDefaultConstructor(java.lang.Class<?> type)
static boolean	hasVarArgs(java.lang.reflect.Method method)
static boolean	isBeanGetterMethod(java.lang.reflect.Method method)
static boolean	isBeanSetterMethod(java.lang.reflect.Method method)
static boolean	isClassAvailable(java.lang.String name) Checks if the class for the given name exists.
static boolean	isDeprecated(java.lang.reflect.Method method)
static boolean	isGetter(java.lang.reflect.Method method) Checks if a method is a getter method
static boolean	isPublic(java.lang.reflect.Field field)
static boolean	isPublic(java.lang.reflect.Method method)
static boolean	isSetter(java.lang.reflect.Method method) Checks if a method is a setter method
static boolean	isStatic(java.lang.reflect.Field field)
static boolean	isStatic(java.lang.reflect.Method method)
static boolean	isTransient(java.lang.reflect.Method method)
static java.lang.Class<?>	nearestSuperClass(java.lang.Class<?> c1, java.lang.Class<?> c2) Finds the nearest super class of two classes
static java.lang.Class<?>	nearestSuperClass(java.util.Collection<java.lang.Class<?>> classes) Finds the nearest super class of a collection of classes

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionUtil

public ReflectionUtil()

Method Detail

classForName

public static java.lang.Class<?> classForName(java.lang.String name)

Load a class

Parameters:

name - the class's name

Returns:

the class

isClassAvailable

public static boolean isClassAvailable(java.lang.String name)

Checks if the class for the given name exists.

Parameters:

name - the class's name

Returns:

true if the class exists else false

isGetter

public static boolean isGetter(java.lang.reflect.Method method)

Checks if a method is a getter method

Parameters:

method - the method to check

Returns:

true if the method is a getter, otherwise false

isSetter

public static boolean isSetter(java.lang.reflect.Method method)

Checks if a method is a setter method

Parameters:

method - the method to check

Returns:

true if the method is a setter, otherwise false

getAttributeNameByGetter

public static java.lang.String getAttributeNameByGetter(java.lang.reflect.Method getter)

getTypeArguments

public static java.lang.reflect.Type[] getTypeArguments(java.lang.reflect.Type type)

Returns the type arguments of a parameterized type if the given type is not parameterized, null is returned

Parameters:

type - a type

Returns:

an array of types or null

nearestSuperClass

public static java.lang.Class<?> nearestSuperClass(java.lang.Class<?> c1,
                                                   java.lang.Class<?> c2)

Finds the nearest super class of two classes

Parameters:

c1 - a class

c2 - another class

Returns:

their nearest super class

nearestSuperClass

public static java.lang.Class<?> nearestSuperClass(java.util.Collection<java.lang.Class<?>> classes)

Finds the nearest super class of a collection of classes

Parameters:

classes - a collection of classes

Returns:

their nearest super class or null if the collection is empty

getGenericType

public static java.lang.Class<?> getGenericType(java.lang.Class<?> clazz,
                                                int idx)

Gets the type of a generic parameter of a class that has a generic super class.

Parameters:

clazz - a class having a generic super class

idx - number of the parameter

Returns:

the type of the parameter

getSuperclass

public static java.lang.Class<?> getSuperclass(java.lang.Class<?> type)

getAllDirectInterfaces

public static java.util.List<java.lang.Class<?>> getAllDirectInterfaces(java.lang.Class<?> type)

getAllSuperclasses

public static java.util.List<java.lang.Class<?>> getAllSuperclasses(java.lang.Class<?> clazz)

getAllInterfaces

public static java.util.List<java.lang.Class<?>> getAllInterfaces(java.util.List<java.lang.Class<?>> classes)

distinct

public static java.util.List<java.lang.Class<?>> distinct(java.util.List<java.lang.Class<?>> classes)

hasDefaultConstructor

public static boolean hasDefaultConstructor(java.lang.Class<?> type)

getDefaultConstructor

public static java.lang.reflect.Constructor<?> getDefaultConstructor(java.lang.Class<?> type)

getPublicConstructors

public static java.util.List<java.lang.reflect.Constructor<?>> getPublicConstructors(java.lang.Class<?> type)

getPublicConstructors

public static java.util.List<java.lang.reflect.Constructor<?>> getPublicConstructors(java.lang.Class<?> type,
                                                                                     int numArgs)

getBeanGetterMethods

public static java.util.List<java.lang.reflect.Method> getBeanGetterMethods(java.lang.Class<?> type)

getBeanGetterProperties

public static java.util.List<java.lang.String> getBeanGetterProperties(java.lang.Class<?> type)

isBeanGetterMethod

public static boolean isBeanGetterMethod(java.lang.reflect.Method method)

getBeanSetterMethods

public static java.util.List<java.lang.reflect.Method> getBeanSetterMethods(java.lang.Class<?> type)

getBeanSetterProperties

public static java.util.List<java.lang.String> getBeanSetterProperties(java.lang.Class<?> type)

isBeanSetterMethod

public static boolean isBeanSetterMethod(java.lang.reflect.Method method)

getBeanPropertyName

public static java.lang.String getBeanPropertyName(java.lang.reflect.Method method)

getBeanGetterMethod

public static java.lang.reflect.Method getBeanGetterMethod(java.lang.Class<?> clazz,
                                                           java.lang.String propertyName)

getBeanSetterMethod

public static java.lang.reflect.Method getBeanSetterMethod(java.lang.Class<?> clazz,
                                                           java.lang.String propertyName)

getPublicStaticFields

public static java.util.List<java.lang.reflect.Field> getPublicStaticFields(java.lang.Class<?> clazz)

getPublicStaticField

public static java.lang.reflect.Field getPublicStaticField(java.lang.Class<?> clazz,
                                                           java.lang.String name)

getPublicInstanceFields

public static java.util.List<java.lang.reflect.Field> getPublicInstanceFields(java.lang.Class<?> clazz)

getPublicInstanceField

public static java.lang.reflect.Field getPublicInstanceField(java.lang.Class<?> clazz,
                                                             java.lang.String name)

arity

public static int arity(java.lang.reflect.Constructor<?> constructor)

arity

public static int arity(java.lang.reflect.Method method)

hasVarArgs

public static boolean hasVarArgs(java.lang.reflect.Method method)

isStatic

public static boolean isStatic(java.lang.reflect.Method method)

isPublic

public static boolean isPublic(java.lang.reflect.Method method)

isDeprecated

public static boolean isDeprecated(java.lang.reflect.Method method)

isTransient

public static boolean isTransient(java.lang.reflect.Method method)

isStatic

public static boolean isStatic(java.lang.reflect.Field field)

isPublic

public static boolean isPublic(java.lang.reflect.Field field)

getAllPublicInstanceMethods

public static java.util.List<java.lang.reflect.Method> getAllPublicInstanceMethods(java.lang.Class<?> clazz,
                                                                                   boolean includeInheritedClasses)

getAllPublicInstanceMethods

public static java.util.List<java.lang.reflect.Method> getAllPublicInstanceMethods(java.lang.Class<?> clazz,
                                                                                   java.lang.String methodName,
                                                                                   java.lang.Integer arity,
                                                                                   boolean includeInheritedClasses)

getAllPublicStaticMethods

public static java.util.List<java.lang.reflect.Method> getAllPublicStaticMethods(java.lang.Class<?> clazz,
                                                                                 boolean includeInheritedClasses)

getAllPublicStaticMethods

public static java.util.List<java.lang.reflect.Method> getAllPublicStaticMethods(java.lang.Class<?> clazz,
                                                                                 java.lang.String methodName,
                                                                                 java.lang.Integer arity,
                                                                                 boolean includeInheritedClasses)

getAllPublicMethods

public static java.util.List<java.lang.reflect.Method> getAllPublicMethods(java.lang.Class<?> clazz,
                                                                           java.lang.String methodName,
                                                                           java.lang.Integer arity,
                                                                           boolean includeInheritedClasses,
                                                                           boolean addInstanceMethods,
                                                                           boolean addStaticMethods,
                                                                           boolean addTransientMethods,
                                                                           boolean addDeprecatedMethods)