程序包 com.alibaba.spring.util

类 BeanUtils

java.lang.Object

com.alibaba.spring.util.BeanUtils

public abstract class BeanUtils
extends java.lang.Object

Bean Utilities Class

从以下版本开始:

2017.01.13

作者:

Mercy

构造器概要

构造器

构造器	说明
BeanUtils()

方法概要

修饰符和类型	方法	说明
protected static java.util.Set<java.lang.String>	doGetBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory, java.lang.Class<?> beanType)	Get Bean names from ConfigurableListableBeanFactory by type
static java.lang.String[]	getBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory, java.lang.Class<?> beanClass)	Get Bean Names from ConfigurableListableBeanFactory by type.
static java.lang.String[]	getBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory, java.lang.Class<?> beanClass, boolean includingAncestors)	Get Bean Names from ConfigurableListableBeanFactory by type.
static java.lang.String[]	getBeanNames(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<?> beanClass)	Get Bean Names from ListableBeanFactory by type.
static java.lang.String[]	getBeanNames(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<?> beanClass, boolean includingAncestors)	Get Bean Names from ListableBeanFactory by type.
static <T> T	getOptionalBean(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<T> beanClass)	Get Optional Bean by Class.
static <T> T	getOptionalBean(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<T> beanClass, boolean includingAncestors)	Get Optional Bean by Class including ancestors(BeanFactory).
static <T> java.util.List<T>	getSortedBeans(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<T> type)	Get all sorted Beans of ListableBeanFactory in specified bean type.
static boolean	isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<?> beanClass)	Is Bean Present or not?
static boolean	isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.Class<?> beanClass, boolean includingAncestors)	Is Bean Present or not?
static boolean	isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.String beanClassName)	Is Bean Present or not?
static boolean	isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory, java.lang.String beanClassName, boolean includingAncestors)	Is Bean Present or not?
static java.lang.Class<?>	resolveBeanType(java.lang.String beanClassName, java.lang.ClassLoader classLoader)	Resolve Bean Type
static <T> java.util.Map<java.lang.String,T>	sort(java.util.Map<java.lang.String,T> beansMap)	Sort Beans Map via AnnotationAwareOrderComparator.sort(List) rule

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

BeanUtils

public BeanUtils()

方法详细资料

isBeanPresent

public static boolean isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.Class<?> beanClass)

Is Bean Present or not?

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

返回:

If present , return true , or false

isBeanPresent

public static boolean isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.Class<?> beanClass,
                                    boolean includingAncestors)

Is Bean Present or not?

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

includingAncestors - including ancestors or not

返回:

If present , return true , or false

isBeanPresent

public static boolean isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.String beanClassName,
                                    boolean includingAncestors)

Is Bean Present or not?

参数:

beanFactory - ListableBeanFactory

beanClassName - The name of Class of Bean

includingAncestors - including ancestors or not

返回:

If present , return true , or false

isBeanPresent

public static boolean isBeanPresent(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.String beanClassName)

Is Bean Present or not?

参数:

beanFactory - ListableBeanFactory

beanClassName - The name of Class of Bean

返回:

If present , return true , or false

getBeanNames

public static java.lang.String[] getBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory,
                                              java.lang.Class<?> beanClass)

Get Bean Names from ConfigurableListableBeanFactory by type.

参数:

beanFactory - ConfigurableListableBeanFactory

beanClass - The Class of Bean

返回:

If found , return the array of Bean Names , or empty array.

getBeanNames

public static java.lang.String[] getBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory,
                                              java.lang.Class<?> beanClass,
                                              boolean includingAncestors)

Get Bean Names from ConfigurableListableBeanFactory by type.

参数:

beanFactory - ConfigurableListableBeanFactory

beanClass - The Class of Bean

includingAncestors - including ancestors or not

返回:

If found , return the array of Bean Names , or empty array.

getBeanNames

public static java.lang.String[] getBeanNames(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                              java.lang.Class<?> beanClass)

Get Bean Names from ListableBeanFactory by type.

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

返回:

If found , return the array of Bean Names , or empty array.

getBeanNames

public static java.lang.String[] getBeanNames(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                              java.lang.Class<?> beanClass,
                                              boolean includingAncestors)

Get Bean Names from ListableBeanFactory by type.

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

includingAncestors - including ancestors or not

返回:

If found , return the array of Bean Names , or empty array.

doGetBeanNames

protected static java.util.Set<java.lang.String> doGetBeanNames(org.springframework.beans.factory.config.ConfigurableListableBeanFactory beanFactory,
                                                                java.lang.Class<?> beanType)

Get Bean names from ConfigurableListableBeanFactory by type

参数:

beanFactory - ConfigurableListableBeanFactory

beanType - The type of Bean

返回:

the array of bean names.

resolveBeanType

public static java.lang.Class<?> resolveBeanType(java.lang.String beanClassName,
                                                 java.lang.ClassLoader classLoader)

Resolve Bean Type

参数:

beanClassName - the class name of Bean

classLoader - ClassLoader

返回:

Bean type if can be resolved , or return null.

getOptionalBean

public static <T> T getOptionalBean(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.Class<T> beanClass,
                                    boolean includingAncestors)
                             throws org.springframework.beans.BeansException

Get Optional Bean by Class including ancestors(BeanFactory).

类型参数:

T - The Class of Bean

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

includingAncestors - including ancestors or not

返回:

Bean object if found , or return null.

抛出:

org.springframework.beans.factory.NoUniqueBeanDefinitionException - if more than one bean of the given type was found

org.springframework.beans.BeansException

另请参阅:

BeanFactoryUtils.beanOfTypeIncludingAncestors(ListableBeanFactory, Class)

getOptionalBean

public static <T> T getOptionalBean(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                    java.lang.Class<T> beanClass)
                             throws org.springframework.beans.BeansException

Get Optional Bean by Class.

类型参数:

T - The Class of Bean

参数:

beanFactory - ListableBeanFactory

beanClass - The Class of Bean

返回:

Bean object if found , or return null.

抛出:

org.springframework.beans.factory.NoUniqueBeanDefinitionException - if more than one bean of the given type was found

org.springframework.beans.BeansException

getSortedBeans

public static <T> java.util.List<T> getSortedBeans(org.springframework.beans.factory.ListableBeanFactory beanFactory,
                                                   java.lang.Class<T> type)

Get all sorted Beans of ListableBeanFactory in specified bean type.

类型参数:

T - bean type

参数:

beanFactory - ListableBeanFactory

type - bean type

返回:

all sorted Beans

sort

public static <T> java.util.Map<java.lang.String,T> sort(java.util.Map<java.lang.String,T> beansMap)

Sort Beans Map via AnnotationAwareOrderComparator.sort(List) rule

类型参数:

T - the type of Bean

参数:

beansMap - Beans Map

返回:

sorted Beans Map