cn.crane4j.core.util

类 ClassUtils

java.lang.Object

cn.crane4j.core.util.ClassUtils

public class ClassUtils
extends Object

Class utils.

作者:

huangchengxing

构造器概要

构造器

构造器和说明
ClassUtils()

方法概要

限定符和类型	方法和说明
static Class<?>	forName(String className) Get class by class name.
static Class<?>	forName(@Nullable String className, Class<?> defaultClass) Get class by class name, if class not found, return default class.
static boolean	isInstantiable(Class<?> type, @Nullable Consumer<Throwable> fallback) Whether the given class is instantiable.
static boolean	isJdkClass(Class<?> clazz) Whether the given class is from packages which package name is started with "java." or "javax.".
static boolean	isObjectOrVoid(Class<?> clazz) Whether the given class is Object or Void.
static boolean	isPrimitiveTypeOrWrapperType(Class<?> type) Whether the given class is primitive type or wrapper type.
static <T> T	newInstance(@NonNull Class<?> type, Object... args) Create new instance of given type.
static String	packageToPath(String packagePath) Convert the package path to the resource path.

从类继承的方法 java.lang.Object

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

构造器详细资料

ClassUtils

public ClassUtils()

方法详细资料

isPrimitiveTypeOrWrapperType

public static boolean isPrimitiveTypeOrWrapperType(Class<?> type)

Whether the given class is primitive type or wrapper type.

参数:

type - type

返回:

boolean

isObjectOrVoid

public static boolean isObjectOrVoid(Class<?> clazz)

Whether the given class is Object or Void.

参数:

clazz - clazz

返回:

boolean

isJdkClass

public static boolean isJdkClass(Class<?> clazz)

Whether the given class is from packages which package name is started with "java." or "javax.".

参数:

clazz - class

返回:

is jdk class

forName

public static Class<?> forName(String className)
                        throws Crane4jException

Get class by class name.

参数:

className - class name

返回:

class instance

抛出:

Crane4jException - if class not found

forName

public static Class<?> forName(@Nullable String className,
                               Class<?> defaultClass)

Get class by class name, if class not found, return default class.

参数:

className - class name, it may be null or empty

defaultClass - default class

返回:

class instance or default class

抛出:

Crane4jException - if class which specified by className not found

newInstance

public static <T> T newInstance(@NonNull Class<?> type,
                                Object... args)

Create new instance of given type.

类型参数:

T - type

参数:

type - type

返回:

new instance

抛出:

Crane4jException - if create instance failed

isInstantiable

public static boolean isInstantiable(Class<?> type,
                                     @Nullable Consumer<Throwable> fallback)

Whether the given class is instantiable.

参数:

type - type

fallback - fallback when create instance failed, usually used for logging

返回:

true if instantiable, otherwise false

packageToPath

public static String packageToPath(String packagePath)

Convert the package path to the resource path.
eg: cn.crane4j.core.util.ClassUtils -> cn/crane4j/core/util/ClassUtils

参数:

packagePath - class path

返回:

resource path