Gautam Arora wrote:
> Well, thats true but in the link:
> http://weblogs.java.net/blog/caroljmcdonald/archive/2008/08/a_restful_pet_c_1.html
> on the table "Example json data"
> It shows the generation of the root element.
>
> You could be correct that as such, the author expected this to be the
> behavior and had no issues with parsing it in a dojo grid but I ran into
> issues with YUI :)
> I'll look into how to define and ContextProvider class and set the
> rootUnwrapping=false.
>
> Early days for me using Jersey. Thanks for your help.
> Incase you have some links/pointers to tutorials/samples that address this
> generation of root element, do let me know. I could look and learn.
>
Please have a look at the Jersey samples [jsonp] and [json-from-jaxb].
[jsonp]
http://download.java.net/maven/2/com/sun/jersey/samples/jsonp/1.0.2/jsonp-1.0.2-project.zip
[json-from-jaxb]
http://download.java.net/maven/2/com/sun/jersey/samples/json-from-jaxb/1.0.2/json-from-jaxb-1.0.2-project.zip
-Naresh
> Thanks,
> Gautam
>
>
> Srinivas Naresh Bhimisetty wrote:
>
>> May be the sample is not using any @Provider annotated class, because
>> its showing the data in default JSON format. But as you said, your
>> requirement is to get the root element (i.e., items) too. For this you
>> will have to define a ContextProvider class, and set the
>> "rootUnwrapping" to "false" (the default is "true").
>>
>> Hope this helps,
>> Naresh
>>
>> Gautam Arora wrote:
>>
>>> Naresh,
>>> Yes you seem to be pointing in the right direction.
>>> To start with, the pet catalog app does not have any class with a
>>> @Provider
>>> annotation
>>> also, my logs are:
>>> ---------------------------------------------------------------------------------
>>> etc etc
>>> Scanning for root resource and provider classes in the paths:
>>> /Users/gautam/NetBeansProjects/catalogitem/build/web/WEB-INF/lib
>>> /Users/gautam/NetBeansProjects/catalogitem/build/web/WEB-INF/classes
>>> Root resource classes found:
>>> class service.ItemsResource
>>> Provider classes found:
>>> ---------------------------------------------------------------------------------
>>>
>>> There is no Provider class listed after the statement "Provider classes
>>> found" and I was finding this weird as to why nothing is displayed after
>>> that line.
>>>
>>> This is as per the code available at:
>>> https://techdayscode.dev.java.net/files/documents/7105/106278/catalog.zip
>>>
>>> for the RESTful Pet Catalog app:
>>> http://weblogs.java.net/blog/caroljmcdonald/archive/2008/08/a_restful_pet_c_1.html
>>>
>>> To get the project to this state, all one has to do is:
>>> 1. Generate Entity classes from database (Table Item or anything else)
>>> 2. Generate Restful Web Services from Entity classes
>>>
>>> The "Example JSON Data" section of this tutorial does seem to show that
>>> the
>>> "items" element should be generated and mentions nothing about a
>>> @Provider
>>> annotation.
>>>
>>> Could you suggest any more investigative steps or have a look at the code
>>> in
>>> the above link.
>>>
>>> Thanks,
>>> Gautam
>>>
>>>
>>>
>>> Srinivas Naresh Bhimisetty wrote:
>>>
>>>
>>>> Hi Gautam,
>>>>
>>>> I doubt if your Provider class is being detected or not, are you able
>>>> to see some message like:
>>>>
>>>> ------------------------------------------------------------
>>>> INFO: Provider classes found:
>>>> class /yourContextResolver
>>>> -------------------------------------------------------------
>>>>
>>>> /in the logs.
>>>>
>>>> -Naresh
>>>>
>>>>
>>>> Gautam Arora wrote:
>>>>
>>>>
>>>>> Hi Naresh,
>>>>>
>>>>> I set rootUnwrapping to false, but still same output as before i.e.
>>>>> root
>>>>> element is dropped
>>>>>
>>>>> Let me know if you have any more ideas on what I could try, I'll try
>>>>> them
>>>>> in
>>>>> realtime (well, almost!) :)
>>>>>
>>>>> Thanks,
>>>>> Gautam
>>>>>
>>>>>
>>>>> Srinivas Naresh Bhimisetty wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Hi Gautam,
>>>>>>
>>>>>> could you try setting rootUnwrapping to 'false' instead, i.e.,
>>>>>>
>>>>>> JAXBContext context = new
>>>>>> JSONJAXBContext(JSONConfiguration.mapped().rootUnwrapping(false).arrays("items").build(),type);
>>>>>>
>>>>>> Hope this helps,
>>>>>> Naresh
>>>>>>
>>>>>>
>>>>>>
>>>>>> Gautam Arora wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> update:
>>>>>>>
>>>>>>> 1. I moved to Jersey 1.0.2 (downloaded it and added to netbeans)
>>>>>>> 2. Edited the UriResolver.resolve() method
>>>>>>> original: JAXBContext context = JAXBContext.newInstance(type);
>>>>>>> modified: JAXBContext context = new
>>>>>>> JSONJAXBContext(JSONConfiguration.mapped().rootUnwrapping(true).arrays("items").build(),type);
>>>>>>>
>>>>>>> This was as per the steps given at
>>>>>>> http://blogs.sun.com/japod/entry/configuring_json_for_restful_web
>>>>>>>
>>>>>>> But the root element is still getting dropped. Any tips on how to
>>>>>>> make
>>>>>>> this
>>>>>>> work with this app?
>>>>>>>
>>>>>>> Gautam
>>>>>>>
>>>>>>>
>>>>>>> Gautam Arora wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> Hi,
>>>>>>>> I'm following the RESTful Pet Catalog tutorial from
>>>>>>>> http://weblogs.java.net/blog/caroljmcdonald/archive/2008/08/a_restful_pet_c_1.html
>>>>>>>>
>>>>>>>> The expected JSON response (as per the tutorial is)
>>>>>>>> http://localhost:8080/catalog/resources/items/
>>>>>>>>
>>>>>>>> {"items":{"@uri":"http://localhost:8080/catalog/resources/items","item":[{
>>>>>>>> etc etc
>>>>>>>>
>>>>>>>> but I get the response as:
>>>>>>>> {"@uri":"http://localhost:8080/catalog/resources/items","item":[{
>>>>>>>> etc
>>>>>>>> etc
>>>>>>>>
>>>>>>>> The "items" label is dropped.
>>>>>>>> I've read here on forum posts that say that dropping off the root
>>>>>>>> element
>>>>>>>> is a desired feature and with newer releases of jersey it should be
>>>>>>>> fixed(/configurable?)
>>>>>>>>
>>>>>>>> I've developed the app myself and also tested the same app by
>>>>>>>> downloading
>>>>>>>> it and running it and and running into the same issue.
>>>>>>>>
>>>>>>>> I'm using Jersey 1.0. Is this issue fixed in 1.0.2?
>>>>>>>>
>>>>>>>> Whats the best way to make jersey1.0 generate the "items" label for
>>>>>>>> this
>>>>>>>> app? I've read on posts that we need to add a property for the json
>>>>>>>> unwrapping but cant figure out where/how to put it in the pet
>>>>>>>> catalog
>>>>>>>> sample app.
>>>>>>>>
>>>>>>>> I need this as I'm using YUI which expects this and throws an
>>>>>>>> invalid
>>>>>>>> label error otherwise
>>>>>>>> As per the tutorial, having the label is the expected behavior, so
>>>>>>>> any
>>>>>>>> reasons why I could be missing it?
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Gautam
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>
>>>
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