[aerogear-dev] Paging Demo

Thu Jan 10 09:11:05 EST 2013

LOOOOTS of cars :)))

On Thu, Jan 10, 2013 at 2:27 PM, Daniel Bevenius
<daniel.bevenius at gmail.com> wrote:
> No problems, I'll add the population of data to the demo.
>
> Thanks,
>
> /Dan
>
>
> On 10 January 2013 11:54, Bruno Oliveira <bruno at abstractj.org> wrote:
>>
>> +1
>>
>>
>> --
>> "The measure of a man is what he does with power" - Plato
>> -
>> @abstractj
>> -
>> Volenti Nihil Difficile
>>
>> On Thursday, January 10, 2013 at 8:02 AM, Matthias Wessendorf wrote:
>>
>> On Thu, Jan 10, 2013 at 10:11 AM, Daniel Bevenius
>> <daniel.bevenius at gmail.com> wrote:
>>
>> For the demo purpose, we could bootstrap the list of cars during startup
>> so
>> we don't need to manually add all the cars.
>>
>> Absolutely, that would be no problem.
>>
>>
>> +1 - that would make it easier to test/develop
>>
>>
>>
>>
>>
>> On 10 January 2013 10:06, Sebastien Blanc <scm.blanc at gmail.com> wrote:
>>
>>
>> Great !
>> For the demo purpose, we could bootstrap the list of cars during startup
>> so we don't need to manually add all the cars.
>> Seb
>>
>>
>>
>> On Thu, Jan 10, 2013 at 10:02 AM, Daniel Bevenius
>> <daniel.bevenius at gmail.com> wrote:
>>
>>
>> We talked about paging yesterday on IRC, and it was decided to add a
>> paging example to aerogear-controller-demo. What follows is an example to
>> kick of further discussion about what the example should look like.
>>
>> AeroGear Controller Demo Paging Route
>>
>> This page discusses AEROGEAR-795 which is about adding an example to
>> aerogear-controller-demo to demonstrate paging support so that the client
>> libraries (Android, JavaScript, and iOS) can be tested against it.
>>
>> This is only a suggestion and the implementation and the names of the
>> query parameters can all be changed.
>>
>> Use case
>>
>> The example is using cars as the resource to interact with. To be able to
>> query we need something to query, so lets start by adding some cars by
>> posting.
>>
>> Adding Cars
>>
>> URL="http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>>
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Black&car.brand=BMW"
>> -X
>> POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data
>> "car.color=Red&car.brand=Ferrari"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Blue&car.brand=Skoda"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Green&car.brand=Audi"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Yello&car.brand=Opel"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Pink&car.brand=Mini"
>> -X
>> POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data
>> "car.color=Gray&car.brand=Nissan"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Red&car.brand=Volvo"
>> -X
>> POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Blue&car.brand=Saab"
>> -X
>> POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data
>> "car.color=Black&car.brand=Mazda"
>> -X POST "$URL/cars"
>> curl -i --header "Accept: application/json" -H "Content-type:
>> application/x-www-form-urlencoded" --data "car.color=Yello&car.brand=Golf"
>> -X POST "$URL/cars"
>>
>> The example uses an in-memory database so the data will be cleared upon
>> redployment/restart of the server. So you only need to populate/post when
>> you've restared or redployed.
>>
>> With the cars in place, we can now issue GET requests with paging query
>> parameters. The following route has been added to the demo:
>>
>> route()
>> .from("/cars")
>> .on(RequestMethod.GET)
>> .produces(MediaType.JSON.toString())
>> .to(Cars.class).get(param("page", "0"), param("perPage", "-1"));
>>
>> From this we can see that there are two optional parameters, page and
>> perPage. If these are not specified all cars will be returned.
>>
>> Getting a page of Cars
>>
>> URL="http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>> curl -i --header "Accept: application/json" "$URL/cars?page=0&perPage=4"
>>
>> The request will return:
>>
>> {
>> "metadata":{"page":0,"perPage":4},
>> "cars":[
>> {"color":"Black","brand":"BMW","id":1},
>> {"color":"Red","brand":"Ferrari","id":2},
>> {"color":"Blue","brand":"Skoda","id":3},
>> {"color":"Green","brand":"Audi","id":4}
>> ],
>> "links":{
>> "first":"cars?page=0&page=4",
>> "previous":"cars?page=0&page=4",
>> "next":"cars?page=1&page=4"
>> }
>> }
>>
>> Getting the next page of Cars
>>
>> To get the next page you can follow the next link:
>>
>> URL="http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>> curl -i --header "Accept: application/json" "$URL/cars?page=1&perPage=4"
>>
>> {
>> "metadata":{"page":1,"perPage":4},
>> "cars":[
>> {"color":"Yello","brand":"Opel","id":5},
>> {"color":"Pink","brand":"Mini","id":6},
>> {"color":"Gray","brand":"Nissan","id":7},
>> {"color":"Red","brand":"Volvo","id":8}
>> ],
>> "links":{
>> "first":"cars?page=0&page=4",
>> "previous":"cars?page=0&page=4",
>> "next":"cars?page=2&page=4"
>> }
>> }
>>
>> Get all Cars
>>
>> URL="http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>> curl -i --header "Accept: application/json" "$URL/cars"
>>
>> Get a single Car
>>
>> URL="http://controllerdemo-danbev.rhcloud.com/aerogear-controller-demo"
>> curl -i --header "Accept: application/json" "$URL/cars/1"
>>
>> The request will return:
>>
>> {"color":"Black","brand":"BMW","id":1}
>>
>> Again, anything here can be changed, the name of the query parameters,
>> the implementation, and what is returned.
>>
>> Reference:
>>
>> Paging Support in AeroGear Controller
>>
>>
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>>
>>
>> --
>> Matthias Wessendorf
>>
>> blog: http://matthiaswessendorf.wordpress.com/
>> sessions: http://www.slideshare.net/mwessendorf
>> twitter: http://twitter.com/mwessendorf
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-- 
Matthias Wessendorf

blog: http://matthiaswessendorf.wordpress.com/
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