Cameron - I'm using the latter approach, although this is with
1.3, and I've unfortunately been lazy and haven't looked into
WW2 yet. But I assume an ActionInvocation is similar to an
Action? In 1.3, I have a "SpringActionFactoryProxy" that checks
to see if the Action is defined in the Spring configuration. If
it doesn't find the Action, then the JavaActionFactory
eventually loads the Action (which is good so that you don't
have to configure Action's that don't need resources from the
Spring container). I also use the Hibernate interceptors, and
everything works well, and the Webwork files aren't polluted
with any Spring stuff. I think this sounds similar to what you
suggested below, so I'd say go for the latter.
Rob
---- On Sat, 01 Nov 2003, Cameron Braid ([EMAIL PROTECTED])
wrote:
Is anyone working on integration between Xwork and the Spring
Framework.
I have managed to create a webwork interceptor that allows a
xwork
action to make use of any spring bean by creating a simple
mapping.
However, I would like a better soloution that uses spring as
the action
facory.. And I would like to do this without duplication of
configuration in both xwork.xml and applicationContext.xml
One main reason that I want to use spring is to take advantage
of its
AOP framework, and most specifically the Hibernate Transaction
Interceptor.
Therefore I would like to declare the transactional attributes
for the
action methods within spring, with a refrence to the xwork
action.
I woule like to still use WebWork's interceptors as normal -
timing,
logging, params, chain, etc.. because they have different
semantics to
spring.
One way that I think this is possible is to create :
Spring Objects :
a spring action factory bean, configured with the action
namespace
and name and the transactional attributes
this factory would lookup the action config for the
classname and
construct the action, wrap it in a proxy, attaching the
interceptors.
WebWork Objects
SpringServletDispatcher - to call
ActionProxyFactory.setFactory(new
SpringActionProxyFactory())
SpringActionProxyFactory - to override
createActionInvocation to use
a SpringActionInvocation
SpringActionInvocation - to override createAction - to
delegate to
WebApplicationContextUtils.getWebApplicationContext(servletContext).getBean(beanName)
to use the factory within spring to contruct this action.
This way the xwork.xml file remains untouched and all that is
needed is
a bean entry in applicationContext.xml that defines each
action's
transactional attributes.
Something like :
<bean id="defaultActionTransactionAttributes"
class="com.datacodex.spring.beans.PropertiesFactoryBean">
<property name="properties">
<props>
<prop
key="execute">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
<bean id="admin.SpringAction"
class="WebworkActionFactoryBean">
<property
name="action"><value>/admin/SpringAction</value></property>
<property name="transactionManager"><ref
local="transactionManager"/></property>
<property name="transactionAttributes"><ref
local="defaultActionTransactionAttributes"/></property>
</bean>
I am open to suggestions for other ways to do this.
Anyone have any thoughts / ideas ?
Cameron
--
Any damn fool can write code that a computer can
understand...
The trick is to write code that humans can understand.
[Martin Fowler
http://www.martinfowler.com/distributedComputing/refactoring.pdf]
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