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List:       velocity-user
Subject:    Re: Custom Java Object stored in Velocity Context
From:       Barbara Baughman <baughman () utdallas ! edu>
Date:       2011-06-03 16:16:48
Message-ID: 4DE908F0.6000909 () utdallas ! edu
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I have seen it happen, and I just automatically compensate.  Maybe it 
was in an older version.

Barbara Baughman
Systems Analyst
Information Security
972-883-2157


On 6/3/11 10:55 AM, Nathan Bubna wrote:
> On Fri, Jun 3, 2011 at 8:50 AM, Barbara Baughman<baughman@utdallas.edu>  wrote:
>> You can call any public method from any public class.  The final Velocity
>> rendering will always be the toString version of the output.  I can't think
>> of a Velocity application that would not, in the end, need a String
>> representation, so your complaint about the toString rendering doesn't make
>> sense to me.
>>
>> However, the toString rendering has caused me some problems with Velocity
>> when I call the output of one method within another method.
>>
>> For example:
>> #if ($account.isActive($user.usertype))
>>
>> In this case, the isActive method expects an int value, and the getUsertype
>> method returns an int.  However, $user.usertype is rendered by Velocity as a
>> String, which causes this statement to fail.
> Barbara, that shouldn't happen.  Velocity should not be converting
> $user.usertype to a String unless it is rendering it.  If it is being
> passed to a method it should look for isActive(int), not
> isActive(String).
>
>> This can either be handled by
>> having a public overload method that takes a String, or a method that will
>> convert a String to the class expected by the calling method.  Or create a
>> wrapper class that includes both the account and user objects and a method
>> that determines the isActive status knowing the account and user
>> information.  I'm sure other solutions can come to mind.
>>
>> I don't know if this is at the root of your question, but I thought I'd
>> mention this.
>>
>> Barbara Baughman
>> Systems Analyst
>> Information Security
>> 972-883-2157
>>
>>
>> On 6/1/11 9:53 PM, Logan Stinger wrote:
>>> The class is very simple right now, public class with 5 public getters and
>>> setters.  Nothing else to it.  I've tried sticking a few other classes in
>>> the context to test them.  I have been unable to get anything but the
>>> toString representation of any of them.
>>>
>>> On Jun 1, 2011, at 5:15 PM, Nathan Bubna wrote:
>>>
>>>> The class of the object and the method itself must be declared public.
>>>>
>>>> On Wed, Jun 1, 2011 at 1:38 PM, Logan Stinger<lstinger@bluelid.com>
>>>>   wrote:
>>>>
>>>>> I have the following code:
>>>>>
>>>>> …
>>>>>
>>>>> List<ICODocument>    history =
>>>>>
>>>>> repository.getDocumentHistoryForId("8B2F2F53-7DEA-45B6-84BA-60F2FA11F07D");
>>>>>
>>>>> context.put("documentHistory", history);
>>>>>
>>>>>
>>>>>
>>>>> Then in my notes.vm file I have the following:
>>>>>
>>>>> #foreach($doc in $response.response.get("documentHistory"))
>>>>>
>>>>> $doc
>>>>>
>>>>> #end
>>>>>
>>>>>
>>>>>
>>>>> The rendered output is what I would expect.  However, I don’t want to
>>>>> see
>>>>> the toString() representation of my object.  I want to see the value of
>>>>> a
>>>>> particular method call on my object.
>>>>>
>>>>>
>>>>>
>>>>> So I changed my notes.vm to be this:
>>>>>
>>>>> #foreach($doc in $response.response.get("documentHistory"))
>>>>>
>>>>> $doc.isMax()
>>>>>
>>>>> #end
>>>>>
>>>>>
>>>>>
>>>>> In this case my rendered output is simply:
>>>>>
>>>>> $doc.isMax() $doc.isMax()
>>>>>
>>>>>
>>>>>
>>>>> I was under the impression that I could add any java object to the
>>>>> velocity
>>>>> context and call any method on that object in my velocity template.  Am
>>>>> I
>>>>> misunderstanding?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> *Logan Stinger*
>>>>>
>>>>> *[image: Description: bluelid_logo_small]*
>>>>>
>>>>> * *
>>>>>
>>>>> (515) 281-6702
>>>>>
>>>>> (515) 822-8212
>>>>>
>>>>> lstinger@bluelid.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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