Re: How to get the context into a ContextTool

"marcel.huijkman" <[email protected]>
Newsgroups gmane.comp.java.webmacro.user
Message-ID <[email protected]>
Thanks for the advise.
This is the stuff in my log-file:

03-12-2004 00:21:08.734    broker    NOTICE    starting 
org.webmacro.Broker: WebMacro.properties
03-12-2004 00:21:08.734    broker    NOTICE    Loaded settings from 
WebMacro.defaults, WebMacro.properties, (System Properties)
03-12-2004 00:21:08.734    broker    WARNING    Context object Info is 
not of type ContextObjectFactory

So I changes a little bit but now I found out that Context isn't quite 
the same as WebContext.

What do I want it for?

In WebContext you could do getRequest()
which eventually could give you stuff like "USER_AGENT"

So I could make a $BrowserInfo or something which would tell you the 
browser's name or stuff like that.
Based on this, you could make some clever markup things.

I've got loads of utils, but it would be nice if I could share them with 
others.

So please kick me some more :-)
 





Keats Kirsch wrote:

> Turn on debugging and check the log.  It should show whether or not 
> the Info tool got loaded and why it might have failed.
>
> Keats
>
> marcel.huijkman wrote:
>
>> I'm playing with this 'trick' but can't get it to work.
>>
>> in my webmacro.defaults I've got this:
>> ContextTools.Info: org.webmacro.util.Info
>>
>> But when I do this in my template:
>> $Info
>>
>> It says:
>> Exception:org.webmacro.PropertyException$UndefinedVariableException:
>> Attempted to write an undefined variable: $Info at 
>> c:\mydir\wsf\templates\index.wmt:15.1
>>
>> So I think I must be doing something wrong.
>>
>> If somebody could kick me in the right direction, I'll sent some 
>> virtual flowers from Holland :-)
>>
>>
>>
>>
>> Keats Kirsch wrote:
>>
>>> I had developed a way to use "context-aware" functions, but I think 
>>> the concept was rejected in favor of the new AutoContextVariable 
>>> concept.
>>> I believe it works something like:
>>>
>>> public class ContextManipulator implements ContextAutoLoader {
>>>    public Object get(String name, Context context) throws 
>>> PropertyException {
>>>       return doSomethingWithTheContext(context);
>>>   }
>>> }
>>>
>>> I think you configure this as a ContextTool, like:
>>>
>>>    ContextTools.Manipulate: com.acme.wm.ContextManipulator
>>>
>>> And then access it in the template like:
>>>
>>> $Manipulate
>>>
>>> Hope this helps.
>>>
>>> Keats
>>>
>>> marcel.huijkman wrote:
>>>
>>>> How to get the context into a ContextTool?
>>>>
>>>> I am playing with a ContextTool, which  does a lot for me, but I
>>>> want to be able to manipulate the context from within my too.
>>>>
>>>> I can do it in a dirty kind of way, by putting the context in
>>>> a var "WM_CONTEXT" into the context.
>>>>
>>>> And if I have to get of set something, I'll do it like this in my 
>>>> template:
>>>> $util.manipulate($WM_CONTEXT);
>>>>
>>>> But I was wandering if there isn't any better, cleaner way to do this?
>>>> Can a ContextTool (that is loaded once) manipulate the exact context
>>>> the end-user is playing with?
>>>>
>>>> - Marcel -
>>>>
>>>> PS. I start working for a java-company next year, so I hope to do 
>>>> more WM.
>>>>
>
>
>
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