- com.alibaba.dubbo.common.utils.ReflectUtils

public final class ReflectUtils
extends

ReflectUtils

字段概要

字段
修饰符和类型	字段	说明
`static`	`ARRAY_DESC`
`static`	`CLASS_DESC`
`static`	`DESC_PATTERN`
`static`	`DESC_REGEX`
`static <?>[]`	`EMPTY_CLASS_ARRAY`
`static`	`GETTER_METHOD_DESC_PATTERN`
`static`	`IS_HAS_CAN_METHOD_DESC_PATTERN`
`static`	`JAVA_IDENT_REGEX`
`static`	`JAVA_NAME_REGEX`
`static char`	`JVM_BOOLEAN`	boolean(Z).
`static char`	`JVM_BYTE`	byte(B).
`static char`	`JVM_CHAR`	char(C).
`static char`	`JVM_DOUBLE`	double(D).
`static char`	`JVM_FLOAT`	float(F).
`static char`	`JVM_INT`	int(I).
`static char`	`JVM_LONG`	long(J).
`static char`	`JVM_SHORT`	short(S).
`static char`	`JVM_VOID`	void(V).
`static`	`METHOD_DESC_PATTERN`
`static`	`METHOD_DESC_REGEX`
`static`	`SETTER_METHOD_DESC_PATTERN`

方法概要

所有方法静态方法具体方法
修饰符和类型	方法	说明
`static <?>`	`desc)`	desc to class.
`static <?>[]`	`desc)`	get class array instance.
`static`	`desc)`	desc to name.
`static <?>`	`<?> clazz, <?> paramType)`
`static`	`<?> clazz, methodName)`
`static`	`<?> clazz, methodName, [] parameterTypes)`	Find method from method signature
`static <?>`	`name)`
`static <,>`	`cl)`
`static <,>`	`cl)`
`static <?>`	`<?> c)`
`static`	`<?> cls)`
`static`	`<?> c)`	get class desc.
`static`	`<?>[] cs)`	get class array desc.
`static`	`<?> c)`	get constructor desc. "()V", "(Ljava/lang/String;I)V"
`static`	`m)`	get method desc.
`static`	`getDesc(javassist.CtClass c)`	get class desc.
`static`	`getDesc(javassist.CtConstructor c)`	get constructor desc. "()V", "(Ljava/lang/String;I)V"
`static`	`getDesc(javassist.CtMethod m)`	get method desc.
`static`	`m)`	get method desc.
`static`	`getDescWithoutMethodName(javassist.CtMethod m)`	get method desc.
`static`	`<?> returnType)`
`static <?>`	`<?> cls)`
`static <?>`	`<?> cls, int i)`
`static`	`<?> c)`	get name.
`static`	`<?> c)`	get constructor name. "()", "(java.lang.String,int)"
`static`	`m)`	get method name.
`static`	`method)`
`static`	`method)`
`static`	`methodName, <?>[] parameterTypes)`
`static boolean`	`method)`
`static boolean`	`method)`
`static boolean`	`<?>[] cs, [] os)`	is compatible.
`static boolean`	`<?> c, o)`	is compatible.
`static boolean`	`obj, interfaceClazzName)`	Check if one object is the implementation for a given interface.
`static boolean`	`<?> cls)`
`static boolean`	`<?> cls)`
`static boolean`	`field)`
`static <?>`	`name)`	name to class.
`static`	`name)`	name to desc.

从类继承的方法 java.lang.
, , , , , , , ,

- 字段详细资料
  - JVM_VOID
```
public static final char JVM_VOID
```
    void(V).
    
    另请参阅:
    
    常量字段值
  - JVM_BOOLEAN
```
public static final char JVM_BOOLEAN
```
    boolean(Z).
    
    另请参阅:
    
    常量字段值
  - JVM_BYTE
```
public static final char JVM_BYTE
```
    byte(B).
    
    另请参阅:
    
    常量字段值
  - JVM_CHAR
```
public static final char JVM_CHAR
```
    char(C).
    
    另请参阅:
    
    常量字段值
  - JVM_DOUBLE
```
public static final char JVM_DOUBLE
```
    double(D).
    
    另请参阅:
    
    常量字段值
  - JVM_FLOAT
```
public static final char JVM_FLOAT
```
    float(F).
    
    另请参阅:
    
    常量字段值
  - JVM_INT
```
public static final char JVM_INT
```
    int(I).
    
    另请参阅:
    
    常量字段值
  - JVM_LONG
```
public static final char JVM_LONG
```
    long(J).
    
    另请参阅:
    
    常量字段值
  - JVM_SHORT
```
public static final char JVM_SHORT
```
    short(S).
    
    另请参阅:
    
    常量字段值
  - EMPTY_CLASS_ARRAY
```
public static final <?>[] EMPTY_CLASS_ARRAY
```
  - JAVA_IDENT_REGEX
```
public static final  JAVA_IDENT_REGEX
```
    另请参阅:
    
    常量字段值
  - JAVA_NAME_REGEX
```
public static final  JAVA_NAME_REGEX
```
    另请参阅:
    
    常量字段值
  - CLASS_DESC
```
public static final  CLASS_DESC
```
    另请参阅:
    
    常量字段值
  - ARRAY_DESC
```
public static final  ARRAY_DESC
```
    另请参阅:
    
    常量字段值
  - DESC_REGEX
```
public static final  DESC_REGEX
```
    另请参阅:
    
    常量字段值
  - DESC_PATTERN
```
public static final  DESC_PATTERN
```
  - METHOD_DESC_REGEX
```
public static final  METHOD_DESC_REGEX
```
    另请参阅:
    
    常量字段值
  - METHOD_DESC_PATTERN
```
public static final  METHOD_DESC_PATTERN
```
  - GETTER_METHOD_DESC_PATTERN
```
public static final  GETTER_METHOD_DESC_PATTERN
```
  - SETTER_METHOD_DESC_PATTERN
```
public static final  SETTER_METHOD_DESC_PATTERN
```
  - IS_HAS_CAN_METHOD_DESC_PATTERN
```
public static final  IS_HAS_CAN_METHOD_DESC_PATTERN
```
- 方法详细资料
  - isPrimitives
```
public static boolean isPrimitives(<?> cls)
```
  - isPrimitive
```
public static boolean isPrimitive(<?> cls)
```
  - getBoxedClass
```
public static <?> getBoxedClass(<?> c)
```
  - isCompatible
```
public static boolean isCompatible(<?> c,
                                    o)
```
    is compatible.
    
    参数:
    
    c - class.
    
    o - instance.
    
    返回:
    
    compatible or not.
  - isCompatible
```
public static boolean isCompatible(<?>[] cs,
                                   [] os)
```
    is compatible.
    
    参数:
    
    cs - class array.
    
    os - object array.
    
    返回:
    
    compatible or not.
  - getCodeBase
```
public static  getCodeBase(<?> cls)
```
  - getName
```
public static  getName(<?> c)
```
    get name. java.lang.Object[][].class => "java.lang.Object[][]"
    
    参数:
    
    c - class.
    
    返回:
    
    name.
  - getGenericClass
```
public static <?> getGenericClass(<?> cls)
```
  - getGenericClass
```
public static <?> getGenericClass(<?> cls,
                                       int i)
```
  - getName
```
public static  getName( m)
```
    get method name. "void do(int)", "void do()", "int do(java.lang.String,boolean)"
    
    参数:
    
    m - method.
    
    返回:
    
    name.
  - getSignature
```
public static  getSignature( methodName,
                                  <?>[] parameterTypes)
```
  - getName
```
public static  getName(<?> c)
```
    get constructor name. "()", "(java.lang.String,int)"
    
    参数:
    
    c - constructor.
    
    返回:
    
    name.
  - getDesc
```
public static  getDesc(<?> c)
```
    get class desc. boolean[].class => "[Z" Object.class => "Ljava/lang/Object;"
    
    参数:
    
    c - class.
    
    返回:
    
    desc.
    
    抛出:
    
    javassist.NotFoundException
  - getDesc
```
public static  getDesc(<?>[] cs)
```
    get class array desc. [int.class, boolean[].class, Object.class] => "I[ZLjava/lang/Object;"
    
    参数:
    
    cs - class array.
    
    返回:
    
    desc.
    
    抛出:
    
    javassist.NotFoundException
  - getDesc
```
public static  getDesc( m)
```
    get method desc. int do(int arg1) => "do(I)I" void do(String arg1,boolean arg2) => "do(Ljava/lang/String;Z)V"
    
    参数:
    
    m - method.
    
    返回:
    
    desc.
  - getDesc
```
public static  getDesc(<?> c)
```
    get constructor desc. "()V", "(Ljava/lang/String;I)V"
    
    参数:
    
    c - constructor.
    
    返回:
    
    desc
  - getDescWithoutMethodName
```
public static  getDescWithoutMethodName( m)
```
    get method desc. "(I)I", "()V", "(Ljava/lang/String;Z)V"
    
    参数:
    
    m - method.
    
    返回:
    
    desc.
  - getDesc
```
public static  getDesc(javassist.CtClass c)
                      throws javassist.NotFoundException
```
    get class desc. Object.class => "Ljava/lang/Object;" boolean[].class => "[Z"
    
    参数:
    
    c - class.
    
    返回:
    
    desc.
    
    抛出:
    
    javassist.NotFoundException
  - getDesc
```
public static  getDesc(javassist.CtMethod m)
                      throws javassist.NotFoundException
```
    get method desc. "do(I)I", "do()V", "do(Ljava/lang/String;Z)V"
    
    参数:
    
    m - method.
    
    返回:
    
    desc.
    
    抛出:
    
    javassist.NotFoundException
  - getDesc
```
public static  getDesc(javassist.CtConstructor c)
                      throws javassist.NotFoundException
```
    get constructor desc. "()V", "(Ljava/lang/String;I)V"
    
    参数:
    
    c - constructor.
    
    返回:
    
    desc
    
    抛出:
    
    javassist.NotFoundException
  - getDescWithoutMethodName
```
public static  getDescWithoutMethodName(javassist.CtMethod m)
                                       throws javassist.NotFoundException
```
    get method desc. "(I)I", "()V", "(Ljava/lang/String;Z)V".
    
    参数:
    
    m - method.
    
    返回:
    
    desc.
    
    抛出:
    
    javassist.NotFoundException
  - name2desc
```
public static  name2desc( name)
```
    name to desc. java.util.Map[][] => "[[Ljava/util/Map;"
    
    参数:
    
    name - name.
    
    返回:
    
    desc.
  - desc2name
```
public static  desc2name( desc)
```
    desc to name. "[[I" => "int[][]"
    
    参数:
    
    desc - desc.
    
    返回:
    
    name.
  - forName
```
public static <?> forName( name)
```
  - name2class
```
public static <?> name2class( name)
                           throws 
```
    name to class. "boolean" => boolean.class "java.util.Map[][]" => java.util.Map[][].class
    
    参数:
    
    name - name.
    
    返回:
    
    Class instance.
    
    抛出:
  - desc2class
```
public static <?> desc2class( desc)
                           throws 
```
    desc to class. "[Z" => boolean[].class "[[Ljava/util/Map;" => java.util.Map[][].class
    
    参数:
    
    desc - desc.
    
    返回:
    
    Class instance.
    
    抛出:
  - desc2classArray
```
public static <?>[] desc2classArray( desc)
                                  throws 
```
    get class array instance.
    
    参数:
    
    desc - desc.
    
    返回:
    
    Class class array.
    
    抛出:
  - findMethodByMethodSignature
```
public static  findMethodByMethodSignature(<?> clazz,
                                                  methodName,
                                                 [] parameterTypes)
                                          throws ,
                                                 
```
    Find method from method signature
    
    参数:
    
    clazz - Target class to find method
    
    methodName - Method signature, e.g.: method1(int, String). It is allowed to provide method name only, e.g.: method2
    
    返回:
    
    target method
    
    抛出:
    
    - when multiple methods are found (overridden method when parameter info is not provided)
  - findMethodByMethodName
```
public static  findMethodByMethodName(<?> clazz,
                                             methodName)
                                     throws ,
                                            
```
    抛出:
  - findConstructor
```
public static <?> findConstructor(<?> clazz,
                                             <?> paramType)
                                      throws 
```
    抛出:
  - isInstance
```
public static boolean isInstance( obj,
                                  interfaceClazzName)
```
    Check if one object is the implementation for a given interface.
    This method will not trigger classloading for the given interface, therefore it will not lead to error when the given interface is not visible by the classloader
    
    参数:
    
    obj - Object to examine
    
    interfaceClazzName - The given interface
    
    返回:
    
    true if the object implements the given interface, otherwise return false
  - getEmptyObject
```
public static  getEmptyObject(<?> returnType)
```
  - isBeanPropertyReadMethod
```
public static boolean isBeanPropertyReadMethod( method)
```
  - getPropertyNameFromBeanReadMethod
```
public static  getPropertyNameFromBeanReadMethod( method)
```
  - isBeanPropertyWriteMethod
```
public static boolean isBeanPropertyWriteMethod( method)
```
  - getPropertyNameFromBeanWriteMethod
```
public static  getPropertyNameFromBeanWriteMethod( method)
```
  - isPublicInstanceField
```
public static boolean isPublicInstanceField( field)
```
  - getBeanPropertyFields
```
public static <,> getBeanPropertyFields( cl)
```
  - getBeanPropertyReadMethods
```
public static <,> getBeanPropertyReadMethods( cl)
```

类 ReflectUtils

字段概要

方法概要

从类继承的方法 java.lang.

字段详细资料

JVM_VOID

JVM_BOOLEAN

JVM_BYTE

JVM_CHAR

JVM_DOUBLE

JVM_FLOAT

JVM_INT

JVM_LONG

JVM_SHORT

EMPTY_CLASS_ARRAY

JAVA_IDENT_REGEX

JAVA_NAME_REGEX

CLASS_DESC

ARRAY_DESC

DESC_REGEX

DESC_PATTERN

METHOD_DESC_REGEX

METHOD_DESC_PATTERN

GETTER_METHOD_DESC_PATTERN

SETTER_METHOD_DESC_PATTERN

IS_HAS_CAN_METHOD_DESC_PATTERN

方法详细资料

isPrimitives

isPrimitive

getBoxedClass

isCompatible

isCompatible

getCodeBase

getName

getGenericClass

getGenericClass

getName

getSignature

getName

getDesc

getDesc

getDesc

getDesc

getDescWithoutMethodName

getDesc

getDesc

getDesc

getDescWithoutMethodName

name2desc

desc2name

forName

name2class

desc2class

desc2classArray

findMethodByMethodSignature

findMethodByMethodName

findConstructor

isInstance

getEmptyObject

isBeanPropertyReadMethod

getPropertyNameFromBeanReadMethod

isBeanPropertyWriteMethod

getPropertyNameFromBeanWriteMethod

isPublicInstanceField

getBeanPropertyFields

getBeanPropertyReadMethods