spring启动时初始化properties文件

spring配置文件 

<bean id="dataCenter" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="location" value="classpath:datacenter.properties"/>
</bean>

@Data
@Component
public class DataCenter implements InitializingBean {
//注入bean
@Resource
private Map<String,String> dataCenter;
private String baseUrl;
private Map<String,String> remoteCalls = new HashMap();
static final String BASE_URL_PROPERTY_NAME = "bbd.datacenter.baseurl";
static final String INTERFALCES_PREFIX="bbd.datacenter.remoteCall.";
@Override
public void afterPropertiesSet() throws Exception {
dataCenter.entrySet().forEach(entry->{
if(BASE_URL_PROPERTY_NAME.equals(entry.getKey())){
baseUrl = entry.getValue();
}else if(entry.getKey().startsWith(INTERFALCES_PREFIX)){
remoteCalls.put(entry.getKey().replace(INTERFALCES_PREFIX,""),entry.getValue());
}
});
}
}