import
java.util.Map;
import
org.springframework.beans.BeansException;
import
org.springframework.context.ApplicationContext;
import
org.springframework.context.ApplicationContextAware;
/**
* 获取ApplicationContext和Object的工具类
* @author wjq
*
*/
@SuppressWarnings
({
"rawtypes"
,
"unchecked"
})
public
class
SpringContextUtils
implements
ApplicationContextAware {
private
static
ApplicationContext applicationContext;
public
void
setApplicationContext(ApplicationContext arg0)
throws
BeansException {
applicationContext = arg0;
}
/**
* 获取applicationContext对象
* @return
*/
public
static
ApplicationContext getApplicationContext(){
return
applicationContext;
}
/**
* 根据bean的id来查找对象
* @param id
* @return
*/
public
static
Object getBeanById(String id){
return
applicationContext.getBean(id);
}
/**
* 根据bean的class来查找对象
* @param c
* @return
*/
public
static
Object getBeanByClass(Class c){
return
applicationContext.getBean(c);
}
/**
* 根据bean的class来查找所有的对象(包括子类)
* @param c
* @return
*/
public
static
Map getBeansByClass(Class c){
return
applicationContext.getBeansOfType(c);
}
}
1
|
ApplicationContext ac =
new
FileSystemXmlApplicationContext(
"applicationContext.xml"
)
|
可选的操作方法有:
1
2
3
4
5
6
7
8
9
10
11
|
一:
String[] path={
"WebRoot/WEB-INF/applicationContext.xml"
,
"WebRoot/WEB-INF/applicationContext_task.xml"
};
ApplicationContext context =
new
FileSystemXmlApplicationContext(path);
二:
String path=
"WebRoot/WEB-INF/applicationContext*.xml"
;
ApplicationContext context =
new
FileSystemXmlApplicationContext(path);
三:
ApplicationContext ctx =
new
FileSystemXmlApplicationContext(
"classpath:地址"
);
|