Is the webwork-ext project setup? This seems like a perfect candidate (if this is open source).


Cheers,
matthew

On Nov 4, 2003, at 8:18 AM, Cameron Braid wrote:

Is your implementation of this code closed source, or are you able to share it ?

I would be keen to have a look.

Cheers,

Cameron

Rob Rudin wrote:

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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--
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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