I want to pass the id
from the XML config to the constructor of the bean. I don't want to implement BeanNameAware to do this. My preferred way to do so would be a Spring EL expression like this:
<bean id="ws1" class="com.example.MyClass">
<constructor-arg name="id" value="#{#this.id}"/>
<!-- ... -->
</bean>
However, #this
refers to BeanExpressionContext
in this case, what doesen't contain the id
.
Is there a way to access the id
(ws1
in my example) with a Spring EL expression?
If you need to know the bean id in the target MyClass
instance, you should consider to implement BeanNameAware
:
* Interface to be implemented by beans that want to be aware of their
* bean name in a bean factory. Note that it is not usually recommended
* that an object depends on its bean name, as this represents a potentially
* brittle dependence on external configuration, as well as a possibly
* unnecessary dependence on a Spring API.
But right, you can't get access to it from SpEL. OTOH I don't see big problem in your sample to copy/paste ws1
to that id
constructor arg value.