Well, the reason I raised the question was because I tried and failed
using arrays, lists etc when passon to Velocity, i.e.
context.put("entry", some_list/some_array);
have FAILED.
This is what I did:
1. I have a Vector A; <------ context.put("entry", A) is OK with Velocity.
2. But I need to do some work on the data in A. So:
3. Extract Object a = A.elementAt(some_position); Do what I have to do AND:
4. Put it back into another Vector B.
B.add(modified_a);
context.put("entry", B);
BUT velocity does not like it.
I tried to vary Vector B with Array B, List B, nothing worked, anyone know
where I have done wrong?
cheers
michael
>
> or you could probably use an array of an array directly.
>
> On Monday, December 30, 2002, at 04:24 PM, Scott Eade wrote:
>
>> Michael,
>>
>> Most people on this list will argue strongly that your velocity
>> templates
>> should contain only formatting code and never processing code - put
>> this
>> instead in a pull tool or the screen classes.
>>
>> Provide a method in your pull tool that provides the data you need -
>> this
>> might instantiate and populate a Vector or whatever else you want to
>> do.
>>
>> I don't really understand the specific example you are attempting to
>> describe below, but an object is an object, whether it is created by
>> Turbine, Torque, your pull tool or screen class - and Velocity should
>> be
>> able to access it and work with it provided that you have somehow made
>> it
>> available to the context.
>>
>> One thing you can't do in velocity (and shouldn't be able to do) is
>> instantiate non-primitives (other than String). You can create
>> references
>> to objects, arrays, Strings and ints using #set.
>>
>> BTW: You may like to use ArrayList in preference to Vector.
>>
>> HTH,
>>
>> Scott
>> --
>> Scott Eade
>> Backstage Technologies Pty. Ltd.
>> http://www.backstagetech.com.au
>> .Mac Chat/AIM: seade at mac dot com
>>
>>
>> On 31/12/2002 10:56 AM, "Eigen Technology Pty Ltd"
>> <[EMAIL PROTECTED]> wrote:
>>
>>> Thanks for the advice,
>>>
>>> I knew the Pull Tool part. But my question was on how to create a
>>> Vector
>>> in this PullTool.
>>>
>>> Say you have 100 rows of data each with 6 cols in your
>>>
>>> $DateTool.TodaysDate()
>>>
>>> function. Before you pass it to Velocity, you have to package them in
>>> a
>>> Vector first, right (correct me if I am wrong)? If this vector is not
>>> from
>>> Turbine, how do you create it?
>>>
>>> cheers
>>> michael
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>>
>>>> you have to configure your TR.properties file. Configure the pull
>>>> service by adding a line like
>>>>
>>>> services.PullService.tool.<scope>.<id> = <classname>
>>>>
>>>> for example:
>>>>
>>>> services.PullService.tool.request.date=com.clavie.myEvents.tool.DateT
>>>> ool
>>>>
>>>> then, you should be able to access it in Velocity with sth like:
>>>> $DateTool.TodaysDate()
>>>>
>>>> David
>>>>
>>>> On Monday, December 30, 2002, at 03:37 PM, Eigen Technology Pty Ltd
>>>> wrote:
>>>>
>>>>> When Turbine extract data from a database, it creates a Vector and
>>>>> returns
>>>>> for Velocity to display.
>>>>>
>>>>> If I want to write a Java Utility, some tabulated calculated
>>>>> results are
>>>>> to be passed on to Velocity, i.e. Vectors not created by Turbine,
>>>>> how
>>>>> should I do it.
>>>>>
>>>>> I tried:
>>>>>
>>>>> Vector TEST=null;
>>>>>
>>>>> etc....
>>>>>
>>>>> for(i=0; i < somelimit; ++i) {
>>>>> TEST.add(someobject(i));
>>>>> }
>>>>> etc....
>>>>>
>>>>> return TEST;
>>>>>
>>>>> Velocity displays nothing, help is much appreciated.
>>>>>
>>>>> michael
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
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>>>>
>>>>
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>>>
>>>
>>>
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