Spring plugin can't find Action classes configured by Spring 2.5 annotations
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Key: WW-2558
URL: https://issues.apache.org/struts/browse/WW-2558
Project: Struts 2
Issue Type: Bug
Components: Plugin - Spring
Affects Versions: 2.0.11.1
Reporter: Brad Cupit
Priority: Minor
The Spring plugin looks up Spring beans based on the fully qualified class
name, and doesn't find Spring-managed Action classes configured by Spring
annotations. (Spring 2.5 can automatically find annotated beans instead of
using xml config). These annotated beans have short bean names, meaning
"object" instead of java.lang.Object
Instead, the Spring plugin instantiates the bean itself and follows the
autowire policy, but the bean is not managed by Spring.
Ultimate Goal:
Be able to use the Spring annotation config and the Struts Codebehind plugin to
eliminate xml configuration in Struts and Spring, and yet still have Actions be
fully Spring managed.
There are three current workarounds:
1) let the Spring plugin instantiate and autowire Actions as it does now, but
can't use any AOP features for those Actions
2) configure the bean in struts.xml and provide the 'short' bean name as the
class name
3) configure the bean in a spring xml file and don't specify an id (the default
id is the fully qualified class name)
None of these workarounds provide the ultimate goal of zero xml configuration
and full Spring integration.
Proposed fix:
Alter the Spring plugin to lookup the bean based on type instead of using the
class as the bean name. It could use ListableBeanFactory#getBeansOfType(), and
throw an exception if there is more than one bean for that Action class. This
could be configurable by a Struts constant (like
"struts.objectFactory.spring.lookup" whose values could be "byClass" or
"byName"). The changes could go in SpringObjectFactory#buildBean(String, Map,
boolean)
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