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RE: [wtp-dev] Enablement expression support in validator ext point


I agree with Tim. We should only log things we think users/consumers should see ... otherwise, please "hide" unless turned  on with some explicit  -debug .facet-options flag.
(and, encourage *developers* to clean up their warnings, and/or turn on deprecated extension points to the 'error' level -- PDE i s your friend :)  





Timothy Deboer <deboer@xxxxxxxxxx>
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04/17/2006 04:00 PM

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RE: [wtp-dev] Enablement _expression_ support in validator ext point






Hi,


While I agree that a little incentive helps to move people off deprecated API, deprecated Java code doesn't produce output at runtime and I'm not sure that extension points should. Throwing everything out to the .log hides real errors and can produce a lot of extraneous output. When the similar change was made in facets I received several email from panicked users who thought WTP was failing or blamed other problems on the errors in the log.


Thanks,

Tim deBoer
WebSphere Tools - IBM Canada Ltd.
(905) 413-3503  (tieline 969)
deboer@xxxxxxxxxx


"Konstantin Komissarchik" <kosta@xxxxxxx>
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17/04/2006 02:14 PM

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RE: [wtp-dev] Enablement _expression_ support in validator ext point







Vijay,

 
You may want to consider logging deprecation warnings into PDE Error Log when the deprecated extension syntax is detected. The deprecation warning should include the id of the plugin that the deprecated syntax is used in. This way the plugin owner is more likely to become aware that they are using deprecated syntax and will transition to the new syntax more quickly.

 
I have done this for all the syntax that I have deprecated in the faceted project framework.

 
- Konstantin

 





From:
wtp-dev-bounces@xxxxxxxxxxx [mailto:wtp-dev-bounces@xxxxxxxxxxx] On Behalf Of Vijay Bhadriraju
Sent:
Monday, April 17, 2006 11:07 AM
To:
General discussion of project-wide or architectural issues.
Cc:
General discussion of project-wide or architectural issues.; wtp-dev-bounces@xxxxxxxxxxx
Subject:
Re: [wtp-dev] Enablement _expression_ support in validator ext point

 

Yes, enablement is the recommended way to filter validators based on facets, the facet filters has been deprecated but will continue to work.


Regards, Vijay
_____________________________
Vijay Bhadriraju
Rational Tools, J2EE Tooling
Ph: (919) 486-1898, T/L: 526-1898
Internet: vbhadrir@xxxxxxxxxx

_____________________________

Lawrence Mandel <lmandel@xxxxxxxxxx>
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04/17/2006 12:10 PM


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Re: [wtp-dev] Enablement _expression_ support in validator ext point


 


   







Hi Vijay,


Is the enablement method now the recommended way to restrict based on facets? Has the facet filters support been deprecated?


Thanks,


Lawrence Mandel

Software Developer
IBM Rational Software
Phone: 905 - 413 - 3814   Fax: 905 - 413 - 4920
lmandel@xxxxxxxxxx

Vijay Bhadriraju <vbhadrir@xxxxxxxxxx>
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04/16/2006 10:52 PM


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[wtp-dev] Enablement _expression_ support in validator ext point


 


   








The support for enablement _expression_ as shown below has been added to the validator extension point. The facet filters support added in the validator ext point in addition to natures  did not scale very well and additional requirements from some extended teams drove the need for the enablement support which scales very well.  This _expression_ support covers all the combinations that the
FacetedProjectPropertyTester provides as this is the tester class that is used under the covers for property and value strings.

The ejb validator is changed to use this support instead of facet filters


<extension

     
id="EJBValidator"
     
name="%EJB_VALIDATOR"
     
point="org.eclipse.wst.validation.validator">
 
<validator>
     
<enablement>
             
<and>
                   
<test property="org.eclipse.wst.common.project.facet.core.projectFacet" value="jst.java"/>
                     
<test property="org.eclipse.wst.common.project.facet.core.projectFacet" value="jst.ejb"/>
               
</and>
       
</enablement>
     
<filter
           
objectClass="org.eclipse.core.resources.IFile"
           
nameFilter="ejb-jar.xml">
     
</filter>
     
<filter
           
objectClass="org.eclipse.core.resources.IFile"
           
nameFilter="*.class">
     
</filter>
     
<filter
           
objectClass="org.eclipse.core.resources.IFile"
           
nameFilter="*.java">
     
</filter>
     
<helper
           
class="org.eclipse.jst.j2ee.internal.ejb.workbench.validation.EJBHelper">
     
</helper>
     
<dependentValidator
           
depValValue="true">
     
</dependentValidator>
     
<markerId
           
markerIdValue="EJBValidatorMarker">
     
</markerId>
     
<run
           
class="org.eclipse.jst.j2ee.internal.ejb.workbench.validation.UIEjbValidator">
     
</run>
 
</validator>
</extension>


The facet filters support still exists and works in the validator ext point even though it is redundant with this enablement support. The reason it is still supported is for the fact that we are not supposed to break any internal api also at this point for 1.5. Validators using facet filters will continue to work as is and the any validators that need the enablement _expression_ support can migrate.


Regards, Vijay
_____________________________
Vijay Bhadriraju
Rational Tools, J2EE Tooling
Ph: (919) 486-1898, T/L: 526-1898
Internet: vbhadrir@xxxxxxxxxx

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