Help Velocity Log file Question....

[Jeff Duska <Je...@noaa.gov>]

I'm having some trouble with one of the VelocityTools (more on that 
problem in my next email), so I figure it was time to setup a Velocity 
only log file. I'm having trouble doing this. I don't see what it wrong.

I copied the velocity.properties.fileloader file. I renamed it to 
velocity.properties. I removed the following line, because I didn't need 
it .

file.resource.loader.path = templates

I have the following in my web.xml file

<init-param>
	 <param-name>properties</param-name>
       <param-value>/velocity.properties</param-value>
     </init-param>
     <init-param>
       <param-name>toolbox</param-name>
       <param-value>/WEB-INF/toolbox.xml</param-value>
    </init-param>

The velocity.properties file is in my web application's root directory 
like my velocity files.

What I've seen, so far :

1. Something really weird with the veclocity.properties would keep 
returning to its previous name of velocity.properties.fileloader.

2. I copied the velocity.properties.fileloader to create the 
veclocity.properties. This worked, but it took three reboots to delete 
the file.

I'm assuming that Velocity does not use velocity.properties.fileloader 
in any way shape or form. This is error is really weird and must be XP 
related not Tomcat or Velocity related. Do you agree?

3. The log file is not being created and the Velocity log information is 
still being added to the Tomcat logs.

What am I doing wrong?

Regards,

Jeff


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Velocity and Data Access Layer Questions...

[Jeff Duska <Je...@noaa.gov>]

I'm using VelocityServlet project. My goal is to create a several 
Velocity Library Tools that are implement the business objects.

I was using the model suggest by Martin Fowler called Row Data Gateway. 
I tweaked this for the recommendation from Block in Effective Java to 
use static factor instead of a constructor. In my case, I have 
findbyRandomNumber(String rnd).

In my test code I just would have

	PurchasedProduct pp=PurchasedProduct.findbyRandomNumber...

I wanted to have something like this for my template users

	#set ($pp= PurchaseProduct.findyRandomNumber...)

	$pp.isFree

The problem is that this doesn't work with VelocityServlet, because 
there isn't a public construtor. I could change from a factory to a 
method, since the object already exists. What happens when I want to 
create another instance of the object?

I could refactor this into two classes. The business object and another 
object that is the factory. My only concern is that I know have quite a 
few classes.

Right now it does findbyRandomNumber
		
  creates a ProductPurchaseFinder (does all the db stuff)
  uses the ProductPruchaseFinder to create the ProductPurchaseGateway
  ProductPurchase would then have function for the business rules
    using a the private instance of ProductPurchaseGateway to stored the
    data

I use the wrapper on ProductPurchase, because I like to replace my 
database code with something like JDO, Torque or Castor at a later date.
At this point, I would need to create ProductPurchaseFactory to hold the
factory functionality. Does this make sense? I'm worried I've made this 
too confusing. I really do expect to rip out the database code in future 
release.

What are you suggestions?

Regards,

Jeff Duska



	
			




I


data acessand I have created a classes that Tools


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VelocityViewServlet Project can you overide the Log File?Question (Re: Help Velocity Log file Question....)

[Jeff Duska <Je...@noaa.gov>]

I've been trying to figure why my velocity.properties is not being used. 
I now see this is a "feature" of VelocityViewServlet. It says it set by 
default to the Servlet API. I want to turn this off. I'm at loss at how 
to get this to work.

I'm using the velocity.properties file right from the examples. It just 
isn't working. Please help!

I'm digging into the source code, but I must I'm seeing why this isn't 
working.



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Re: Help Velocity Log file Question....

[Gabriel Sidler <si...@teamup.ch>]

Jeff Duska wrote:

> 
> I'm having some trouble with one of the VelocityTools (more on that 
> problem in my next email), so I figure it was time to setup a Velocity 
> only log file. I'm having trouble doing this. I don't see what it wrong.
> 
> I copied the velocity.properties.fileloader file. I renamed it to 
> velocity.properties. I removed the following line, because I didn't need 
> it .
> 
> file.resource.loader.path = templates
> 
> I have the following in my web.xml file
> 
> <init-param>
>      <param-name>properties</param-name>
>       <param-value>/velocity.properties</param-value>
>     </init-param>
>     <init-param>
>       <param-name>toolbox</param-name>
>       <param-value>/WEB-INF/toolbox.xml</param-value>
>    </init-param>
> 
> The velocity.properties file is in my web application's root directory 
> like my velocity files.
> 
> What I've seen, so far :
> 
> 1. Something really weird with the veclocity.properties would keep 
> returning to its previous name of velocity.properties.fileloader.
> 
> 2. I copied the velocity.properties.fileloader to create the 
> veclocity.properties. This worked, but it took three reboots to delete 
> the file.
> 
> I'm assuming that Velocity does not use velocity.properties.fileloader 
> in any way shape or form. This is error is really weird and must be XP 
> related not Tomcat or Velocity related. Do you agree?
> 
> 3. The log file is not being created and the Velocity log information is 
> still being added to the Tomcat logs.
> 
> What am I doing wrong?


Jeff,
If you are using VelocityViewServlet, the logger and the resource loader
cannot be configured in the velocity.properties files. They are currently
hard coded. Look at method initVelocity of
org.apache.velocity.tools.view.servlet.VelocityViewServlet for details.

I agree that this is not the best approach. Logger and resource loader should
only be set to defaults if the user does not configure anything else. Geir
mentioned in the past that he wants to look into this.
For now if you want to change logging or resource loading you have to code.
Write a subclass of VelocityViewServlet and overwrite method initVelocity()
with your preferred initialization.

Gabe


--
Gabriel Sidler
Software Engineer, Eivycom GmbH, Zurich, Switzerland


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