Integration of Struts 2 and DWR
-------------------------------
Key: WW-2198
URL: https://issues.apache.org/struts/browse/WW-2198
Project: Struts 2
Issue Type: New Feature
Components: Integration
Affects Versions: 2.0.10, 2.0.9, 2.0.8, 2.0.7, 2.0.6, 2.0.5, 2.0.4, 2.0.3,
2.0.2, 2.0.1, 2.0.0
Reporter: Nestor Boscan
Priority: Minor
In WebWorks there is a DWR and Struts 2 Integration using the DWRAction class
where yo can invoke the Action methods using DWR. I implemented a similar
class, but not with all the functionality with Struts 2. I've done a project
with this integration and it works really great.
public class DWRAction
{
private static final Logger log = Logger.getLogger (DWRAction.class);
public static Object execute (ActionDefinition actionDefinition, Map params,
HttpServletRequest request, HttpServletResponse response, ServletContext
servletContext) throws Exception {
ActionMapping mapping;
Dispatcher dispatcher;
Map context;
ActionProxy proxy;
try
{
dispatcher = Dispatcher.getInstance ();
mapping = new ActionMapping (actionDefinition.getAction(),
actionDefinition.getNamespace(), actionDefinition.getMethod(), params);
context = dispatcher.createContextMap (request, response, mapping,
servletContext);
proxy = ((ActionProxyFactory) dispatcher.getContainer ().getInstance
(ActionProxyFactory.class)).createActionProxy (actionDefinition.getNamespace
(), actionDefinition.getAction (), context, false, false);
proxy.setMethod (actionDefinition.getMethod ());
proxy.execute ();
return (proxy.getAction ());
}
catch (Exception e)
{
log.error ("Cannot invoke action '" + actionDefinition.getAction() + "'
in namespace '" + actionDefinition.getNamespace() + "'", e);
throw e;
}
}
}
In this case I'm invoking the actions method and returning the action to the
JSP page so I can access attributes that were set in the invocation. It would
be nice to have something like this part of the Struts 2 standard. If you need
help implemening this solution I would gladly help.
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