ReflectHelper (solo-util-core 1.2 API)

java.lang.Object
- cn.sexycode.util.core.object.ReflectHelper

public final class ReflectHelper
extends Object

Utility class for various reflection operations.

字段概要

字段
限定符和类型字段和说明

static Class[] NO_PARAM_SIGNATURE

static Object[] NO_PARAMS

static Class[] SINGLE_OBJECT_PARAM_SIGNATURE

字段
限定符和类型	字段和说明
`static Class[]`	`NO_PARAM_SIGNATURE`
`static Object[]`	`NO_PARAMS`
`static Class[]`	`SINGLE_OBJECT_PARAM_SIGNATURE`

方法概要

所有方法静态方法具体方法已过时的方法
限定符和类型	方法和说明
`static Class`	`classForName(String name)` 已过时。
`static Class`	`classForName(String name, Class caller)` Perform resolution of a class name.
`static Method`	`extractEqualsMethod(Class clazz)` Encapsulation of getting hold of a class's `equals` method.
`static Method`	`extractHashCodeMethod(Class clazz)` Encapsulation of getting hold of a class's `hashCode` method.
`static Field`	`findField(Class containerClass, String propertyName)`
`static Method`	`findGetterMethod(Class containerClass, String propertyName)`
`static Method`	`findSetterMethod(Class containerClass, String propertyName, Class propertyType)`
`static <T> Constructor<T>`	`getDefaultConstructor(Class<T> clazz)` Retrieve the default (no arg) constructor from the given class.
`static Method`	`getMethod(Class clazz, Method method)`
`static boolean`	`implementsInterface(Class clazz, Class intf)` Determine if the given class implements the given interface.
`static boolean`	`isAbstractClass(Class clazz)` Determine if the given class is declared abstract.
`static boolean`	`isFinalClass(Class clazz)` Determine is the given class is declared final.
`static boolean`	`isPublic(Class clazz, Member member)` Is this member publicly accessible.
`static boolean`	`overridesEquals(Class clazz)` Determine if the given class defines an `Object.equals(java.lang.Object)` override.
`static boolean`	`overridesHashCode(Class clazz)` Determine if the given class defines a `Object.hashCode()` override.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - NO_PARAM_SIGNATURE
```
public static final Class[] NO_PARAM_SIGNATURE
```
  - NO_PARAMS
```
public static final Object[] NO_PARAMS
```
  - SINGLE_OBJECT_PARAM_SIGNATURE
```
public static final Class[] SINGLE_OBJECT_PARAM_SIGNATURE
```
- 方法详细资料
  - extractEqualsMethod
```
public static Method extractEqualsMethod(Class clazz)
                                  throws NoSuchMethodException
```
    Encapsulation of getting hold of a class's equals method.
    
    参数:
    
    clazz - The class from which to extract the equals method.
    
    返回:
    
    The equals method reference
    
    抛出:
    
    NoSuchMethodException - Should indicate an attempt to extract equals method from interface.
  - extractHashCodeMethod
```
public static Method extractHashCodeMethod(Class clazz)
                                    throws NoSuchMethodException
```
    Encapsulation of getting hold of a class's hashCode method.
    
    参数:
    
    clazz - The class from which to extract the hashCode method.
    
    返回:
    
    The hashCode method reference
    
    抛出:
    
    NoSuchMethodException - Should indicate an attempt to extract hashCode method from interface.
  - overridesEquals
```
public static boolean overridesEquals(Class clazz)
```
    Determine if the given class defines an Object.equals(java.lang.Object) override.
    
    参数:
    
    clazz - The class to check
    
    返回:
    
    True if clazz defines an equals override.
  - overridesHashCode
```
public static boolean overridesHashCode(Class clazz)
```
    Determine if the given class defines a Object.hashCode() override.
    
    参数:
    
    clazz - The class to check
    
    返回:
    
    True if clazz defines an hashCode override.
  - implementsInterface
```
public static boolean implementsInterface(Class clazz,
                                          Class intf)
```
    Determine if the given class implements the given interface.
    
    参数:
    
    clazz - The class to check
    
    intf - The interface to check it against.
    
    返回:
    
    True if the class does implement the interface, false otherwise.
  - classForName
```
public static Class classForName(String name,
                                 Class caller)
                          throws ClassNotFoundException
```
    Perform resolution of a class name.
    Here we first check the context classloader, if one, beforeQuery delegating to Class.forName(String, boolean, ClassLoader) using the caller's classloader
    
    参数:
    
    name - The class name
    
    caller - The class from which this call originated (in order to access that class's loader).
    
    返回:
    
    The class reference.
    
    抛出:
    
    ClassNotFoundException - From Class.forName(String, boolean, ClassLoader).
  - classForName
```
@Deprecated
public static Class classForName(String name)
                                       throws ClassNotFoundException
```
    已过时。
    
    Perform resolution of a class name.
    Same as classForName(String, Class) except that here we delegate to Class.forName(String) if the context classloader lookup is unsuccessful.
    
    参数:
    
    name - The class name
    
    返回:
    
    The class reference.
    
    抛出:
    
    ClassNotFoundException - From Class.forName(String).
  - isPublic
```
public static boolean isPublic(Class clazz,
                               Member member)
```
    Is this member publicly accessible.
    
    参数:
    
    clazz - The class which defines the member
    
    member - The memeber.
    
    返回:
    
    True if the member is publicly accessible, false otherwise.
  - getDefaultConstructor
```
public static <T> Constructor<T> getDefaultConstructor(Class<T> clazz)
                                                throws PropertyNotFoundException
```
    Retrieve the default (no arg) constructor from the given class.
    
    参数:
    
    clazz - The class for which to retrieve the default ctor.
    
    返回:
    
    The default constructor.
    
    抛出:
    
    PropertyNotFoundException - Indicates there was not publicly accessible, no-arg constructor (todo : why PropertyNotFoundException???)
  - isAbstractClass
```
public static boolean isAbstractClass(Class clazz)
```
    Determine if the given class is declared abstract.
    
    参数:
    
    clazz - The class to check.
    
    返回:
    
    True if the class is abstract, false otherwise.
  - isFinalClass
```
public static boolean isFinalClass(Class clazz)
```
    Determine is the given class is declared final.
    
    参数:
    
    clazz - The class to check.
    
    返回:
    
    True if the class is final, flase otherwise.
  - getMethod
```
public static Method getMethod(Class clazz,
                               Method method)
```
  - findField
```
public static Field findField(Class containerClass,
                              String propertyName)
```
  - findGetterMethod
```
public static Method findGetterMethod(Class containerClass,
                                      String propertyName)
```
  - findSetterMethod
```
public static Method findSetterMethod(Class containerClass,
                                      String propertyName,
                                      Class propertyType)
```

类 ReflectHelper

字段概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

NO_PARAM_SIGNATURE

NO_PARAMS

SINGLE_OBJECT_PARAM_SIGNATURE

方法详细资料

extractEqualsMethod

extractHashCodeMethod

overridesEquals

overridesHashCode

implementsInterface

classForName

classForName

isPublic

getDefaultConstructor

isAbstractClass

isFinalClass

getMethod

findField

findGetterMethod

findSetterMethod