Hi Micael, thanks for your report!
You're right! I debugged Struts with your model, Map<String,
List<MyObject>>. I realized with following sample initialization:
MyObject mo = new MyObject();
mo.setInterestingProperty("IP");
mo.setNotInterestingProperty("NIP");
ArrayList<MyObject> mol = new ArrayList<MyObject>();
mol.add(mo);
result = new HashMap<>();
result.put("first", mol);
Struts checks result.first[0].interestingProperty if it has any
includeProperties matches.
The map key can be any string i.e. .* Consequently you have to have
result\..*\[\d+\]\.interestingProperty but .* causes including all of
the model -- because Struts splits above into multiple regex: result,
result\..*, result\..*\[\d+\] and result\..*\[\d+\]\.interestingProperty
and checks input with them respectively. The second one passes all!
I just could find following workaround which you might like:
private Map<String, List<MyObject>> result;
public Collection<List<MyObject>> getResult() {
return result.values();
}
<param name="includeProperties">
^result$,^result\[\d+\]\[\d+\]\.interestingProperty$
</param>
Hope this helps!
Best.
On 9/25/2019 8:57 PM, Micael Carreira wrote:
> Hello Yasser, thanks for your reply.
>
> It did not work. The configuration you suggested, sends nothing in JSON
> object.
>
> I also tried this configuration:
>
> <param name="includeProperties">
> result\..+,
> result,interestingProperty
> </param>
>
> But it sends all properties, including notInterestingProperty.
>
> Best regards,
>
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> On 25/09/19 09:18, Yasser Zamani-2 [via Struts] wrote:
>>
>>> -----Original Message-----
>>> From: Micael Carreira <mcarre...@itclinical.com>
>>> Sent: Tuesday, September 24, 2019 1:30 PM
>>> To: user@struts.apache.org
>>> Subject: JSON plugin: filter fields in a Map with Lists
>>>
>>> Hello,
>>>
>>> In MyAction, I have the following instance variable:
>>>
>>> Map<String, List<MyObject>> result;
>>>
>>> And MyObject has the following properties:
>>>
>>> MyObject
>>> |- interestingProperty
>>> |- notInterestingProperty
>>>
>>> I want to return the action result as a JSON. So, in my struts
>>> configuration I have:
>>>
>>> <action name="MyAction" method="execute" class="myAction">
>>> <result name="success" type="json">
>>> <param name="includeProperties">
>>> result\..+$
>>> </param>
>>> </result>
>>> </action>
>>>
>>> This returns all keys/values in result map. But I want to write a
>>> JSON with only
>>> interestingProperty of each MyObject (which are in a list).
>> Hi,
>>
>> Doesn't below work for you (to write only interestingProperty)?
>>
>> <param name="includeProperties">
>> result,interestingProperty
>> </param>
>>
>> Regards.
>>
>>> I've fiddled with the regular expression for a while, but could not
>>> find a way to do
>>> it.
>>>
>>> Is it possible to achieve what I need?
>>>
>>> Thanks,
>>>
>>> --
>>> Email Signature
>>> Micael Carreira
>>> Software Developer Logo
>>> <https://www.itclinical.com&utm_source=mail&utm_medium=banner&utm_cam
>>> paign=signature>
>>>
>>> Rua Augusto Macedo, 12-B
>>> 1600-794 Lisbon - Portugal
>>> t: +351 21 714 4500
>>> www.itclinical.com
>>> <http://www.itclinical.com&utm_source=mail&utm_medium=banner&utm_cam
>>> paign=signature>
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