bap.core.config.util.spring

Class SpringContextHolder

java.lang.Object

bap.core.config.util.spring.SpringContextHolder

public class SpringContextHolder
extends java.lang.Object

以静态变量保存Spring ApplicationContext, 可在任何代码任何地方任何时候中取出ApplicaitonContext.

Author:

BW.Panda Jun 29, 2016

Constructor Summary

Constructors

Constructor and Description
SpringContextHolder()

Method Summary

Modifier and Type	Method and Description
static void	cleanApplicationContext() 清除applicationContext静态变量.
static org.springframework.context.ApplicationContext	getApplicationContext() 取得存储在静态变量中的ApplicationContext.
static <T> T	getBean(java.lang.Class<T> requiredType) 从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.
static java.lang.Object	getBean(java.lang.String name) 从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.
static <T> java.util.Map<java.lang.String,T>	getBeansOfType(java.lang.Class<T> requiredType) 从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.

Methods inherited from class java.lang.Object

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

Constructor Detail

SpringContextHolder

public SpringContextHolder()

Method Detail

getApplicationContext

public static org.springframework.context.ApplicationContext getApplicationContext()

取得存储在静态变量中的ApplicationContext.

Returns:

ApplicationContext实例

getBean

public static java.lang.Object getBean(java.lang.String name)

从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型.

Type Parameters:

T -

Parameters:

name - spring容器中bean的名字

Returns:

实例

getBean

public static <T> T getBean(java.lang.Class<T> requiredType)

从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型. 如果有多个Bean符合Class, 取出第一个.

Type Parameters:

T -

Parameters:

requiredType -

Returns:

实例

getBeansOfType

public static <T> java.util.Map<java.lang.String,T> getBeansOfType(java.lang.Class<T> requiredType)

从静态变量ApplicationContext中取得Bean, 自动转型为所赋值对象的类型. 多个Bean符合Class

Type Parameters:

T - bean 的类型

Parameters:

requiredType - 类型对象

Returns:

返回多个符合类型的bean的map对象，bean的name为key，bean对象为alue

cleanApplicationContext

public static void cleanApplicationContext()

清除applicationContext静态变量.