Re: [xwiki-devs] Looking for help with groovy

27 Mar 2014

      On Wed, Mar 26, 2014 at 11:00 PM, DeHaynes <[email protected]> wrote:
...
I feel like I am so close, but it just is not working.  I have the following
code but it is throwing an error.  I will attach a screenshot of the error.
(My company is blocking SSH all of a sudden. So I cannot copy the file.)  It
is saying there is no such property.  I assume it means the "xredirect"?
{{groovy}}
import org.xwiki.observation.*
import org.xwiki.observation.event.*
import org.xwiki.bridge.event.*
import org.xwiki.context.*
import com.xpn.xwiki.web.*
import com.xpn.xwiki.*
import org.apache.velocity.VelocityContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

...
public class RequestWrapper extends HttpServletRequestWrapper
public class RequestWrapper extends HttpServletRequestWrapper
implements XWikiRequest

(you need to implement XWikiRequest to be able to call
XWikiContext#setRequest(XWikiRequest) below)
...
{
    private HashMap params = new HashMap();
public RequestWrapper(HttpServletRequest request)
    {
        super(request);
    }
public String getParameter(String name)
   {
      // if we added one, return that one
      if ( params.get( name ) != null )
      {
         return params.get( name );
      }
// otherwise return what's in the original request
      HttpServletRequest req = (HttpServletRequest) super.getRequest();
return req.getParameter( name );
   }
public void addParameter( String name, String value )
   {
      params.put( name, value );
   }
}
class ProcessDocumentRenamer implements EventListener
{
    def xwiki
    def context
    def response
ProcessDocumentRenamer(xwiki, context)
    {
...
this.xwiki = xwiki
        this.context = context
You don't need this and it's not even recommended to keep a reference
to the xwiki and context object from the moment the event was created.
The event listener should use (as you did below) the context from when
the event is fired.
...
}
String getName()
    {
        // The unique name of this event listener
        return "ProcessDocumentRenamer"
    }
List<Event> getEvents()
    {
        // The list of events this listener listens to
        return Arrays.asList(new DocumentCreatedEvent(), new
DocumentUpdatedEvent())
    }
// Called by the Observation Manager when an event matches the list of
events returned
    // by getEvents()
    void onEvent(Event event, Object source, Object data)
    {
        // Current context
        def crtContext =
Utils.getComponent(Execution.class).getContext().getProperty('xwikicontext')
        def response =
Utils.getComponent(Execution.class).getContext().getProperty('response')
// Defines the type of object that should be looked for
        def myObject =
source.getObject("DocumentationTemplates.ProcessClass");
// If the page has an object of the specified class, we get the
value of the relevant property and assign it to our title variable
        if (myObject != null) {
          // Defines the variable that we will later use to update the title
of the document
          def documentName = myObject.get("processName").value
if (source.getName() != documentName) {
            // Build the new name for the document.

...
def FullDocumentName = source.getSpaceName() + "." +
documentName;
It's recommended to use DocumentReference instead:

def newDocRef = new DocumentReference(documentName,
source.getDocumentReference().getLastSpaceReference())
...
// Set the document title to the new name.
            source.setTitle(documentName)
// Force the storage to keep the same version number, so that
this looks like a single save event
            source.setMetaDataDirty(false);
            source.setContentDirty(false);
// Rename the document
            source.rename(FullDocumentName, crtContext);
def RedirectRequest = new RequestWrapper(request);

...
RedirectRequest.addParameter('xredirect',xwiki.getURL(FullDocumentName));
RedirectRequest.addParameter('xredirect', source.getURL('view', crtContext));
crtContext.setRequest(RedirectRequest);

Hope this helps,
Marius
...
}
        }
    }
}
// Register against the Observation Manager
def observation = Utils.getComponent(ObservationManager.class)
observation.removeListener("ProcessDocumentRenamer")
def listener = new ProcessDocumentRenamer(xwiki, xcontext)
observation.addListener(listener)
{{/groovy}}
<http://xwiki.475771.n2.nabble.com/file/n7589834/Error.png>
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Re: [xwiki-devs] Looking for help with groovy

Marius Dumitru Florea