org.panda_lang.utilities.commons

Class ClassUtils

java.lang.Object

org.panda_lang.utilities.commons.ClassUtils

public final class ClassUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Map<Class<?>,Class<?>>	PRIMITIVE_EQUIVALENT

Method Summary

Modifier and Type	Method and Description
static boolean	exists(String name) Check if the class exists using forName(String)
static <T> Optional<Class<? extends T>>	forName(String name) Get class using Class.forName(String) as Optional
static Class<?>[]	getClasses(Object... values) Get classes of the given values
static Class<?>	getNonPrimitiveClass(Class<?> clazz) Get non primitive class
static boolean	isAssignableFrom(@Nullable Class<?> toClass, @Nullable Class<?> fromClass) Check if the class is assignable to another with primitive types support
static boolean	isAssignableFrom(Class<?> toClass, @Nullable Object fromObject) Check if the class is assignable to another with primitive types support.
static Optional<Class<?>>	selectMostRelated(Collection<? extends Class<?>> classes, Class<?> to) Select the most related class from the specified collection

Methods inherited from class java.lang.Object

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

Field Detail

PRIMITIVE_EQUIVALENT

public static final Map<Class<?>,Class<?>> PRIMITIVE_EQUIVALENT

Method Detail

getNonPrimitiveClass

public static Class<?> getNonPrimitiveClass(Class<?> clazz)

Get non primitive class

Parameters:

clazz - the class to get

Returns:

non primitive class

selectMostRelated

public static Optional<Class<?>> selectMostRelated(Collection<? extends Class<?>> classes,
                                                   Class<?> to)

Select the most related class from the specified collection

Parameters:

classes - the collection to search in

to - the class to compare with

Returns:

the most related class from collection (may not exist)

isAssignableFrom

public static boolean isAssignableFrom(Class<?> toClass,
                                       @Nullable
                                       @Nullable Object fromObject)

Check if the class is assignable to another with primitive types support. Utility command for nullable fromObject.

See Also:

isAssignableFrom(Class, Class)

isAssignableFrom

public static boolean isAssignableFrom(@Nullable
                                       @Nullable Class<?> toClass,
                                       @Nullable
                                       @Nullable Class<?> fromClass)

Check if the class is assignable to another with primitive types support

Parameters:

toClass - the root class

fromClass - the Class object to be checked

Returns:

true if toClass is assignable to fromClass

getClasses

public static Class<?>[] getClasses(Object... values)

Get classes of the given values

Parameters:

values - the values to check

Returns:

array of classes

exists

public static boolean exists(String name)

Check if the class exists using forName(String)

Parameters:

name - the name of class

Returns:

true if class exists, otherwise false

forName

public static <T> Optional<Class<? extends T>> forName(String name)

Get class using Class.forName(String) as Optional

Parameters:

name - the name of class

Returns:

optional with class (with null instead of ClassNotFoundException)