Package com.luna.common.spring

Class SpringBeanService

java.lang.Object

com.luna.common.spring.SpringBeanService

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.context.ApplicationContextAware

@Component
public class SpringBeanService
extends Object
implements org.springframework.context.ApplicationContextAware

Spring的bean加载服务类

Field Summary

Fields

Modifier and Type	Field	Description
protected static org.springframework.context.ApplicationContext	applicationContext	spring bean上下文

Constructor Summary

Constructors

Constructor	Description
SpringBeanService()

Method Summary

Modifier and Type	Method	Description
static Object	getBeanByName(String name)	获取bean实例
static <T> T	getBeanByName(String name, Class<T> clazz)	获取bean实例
static <T> Map<String,T>	getBeansOfType(Class<T> clazz)	获取此类型所有的bean
static <T> T	getSingleBeanByType(Class<T> clazz)	根据class 类型获取bean
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)

Methods inherited from class java.lang.Object

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

Field Details

applicationContext

protected static org.springframework.context.ApplicationContext applicationContext

spring bean上下文

Constructor Details

SpringBeanService

public SpringBeanService()

Method Details

getBeanByName

public static <T> T getBeanByName(String name,
 Class<T> clazz)
                           throws org.springframework.beans.BeansException

获取bean实例

Throws:

org.springframework.beans.BeansException

getBeanByName

public static Object getBeanByName(String name)
                            throws org.springframework.beans.BeansException

获取bean实例

Throws:

org.springframework.beans.BeansException

getBeansOfType

public static <T> Map<String,T> getBeansOfType(Class<T> clazz)

获取此类型所有的bean

Parameters:

clazz -

Returns:

Throws:

org.springframework.beans.BeansException

getSingleBeanByType

public static <T> T getSingleBeanByType(Class<T> clazz)
                                 throws Exception

根据class 类型获取bean

Parameters:

clazz -

Returns:

Throws:

org.springframework.beans.BeansException - 当有继承或者接口时(多个实现类)getBean(clazz)会报错 所以通过class name比较来获取唯一那个bean

Exception

setApplicationContext

public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
                           throws org.springframework.beans.BeansException

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

Throws:

org.springframework.beans.BeansException