config/src/main/java/org/springframework/security/config/provisioning/UserDetailsManagerResourceFactoryBean.java
public static UserDetailsManagerResourceFactoryBean fromResourceLocation(String resourceLocation) {
		UserDetailsManagerResourceFactoryBean result = new UserDetailsManagerResourceFactoryBean();
		result.setResourceLocation(resourceLocation);
		return result;
	}
public static UserDetailsManagerResourceFactoryBean fromResourceLocation(String resourceLocation) {
		UserDetailsManagerResourceFactoryBean result = new UserDetailsManagerResourceFactoryBean();
		result.setResourceLocation(resourceLocation);
		return result;
	}
Create a UserDetailsManagerResourceFactoryBean with the location of a Resource that is a Properties file in the
format defined in {@link UserDetailsResourceFactoryBean}.

@param resourceLocation the location of the properties file that contains the users (i.e. "classpath:users.properties")
@return the UserDetailsManagerResourceFactoryBean