Absolutely, there are many ways to implement pure HTTP backends with
Stripes. The verbs are not mandatory, you can stick to GET and POST it
works just fine. I never understood why everyone went that crazy with PUT
and DELETE. I think that Stripes shines at HTTP services implementation
(binding etc).
Many people have baked their own framework for that and are happy with it.
In Woko (Stripes based, with 'RPC' support) you'd just do :
GET /view/Product/123?isRpc=true => JSON product
POST /save/Product/123?isRpc=true&object.price=10 => updates product and
returns JSON
POST /delete/Product/123?isRpc=true&confirm
and so forth... (remove the isRpc param, and you get the HTML version for
humans :P).
As for the client side, you can also provide a more "explicit" API that
encapsulates your HTTP calls, so that the user doesn't even know what's
going on under the hood :
myApiClient.loadProduct("123", function(p) { ... });
with :
myApiClient.loadProduct = function(id, callback) {
$.get('/product/123', function(p) {
callback.apply(this, [p]);
}
};
It's also a good place to factor out your client-side validation, error
handling code and other stuff.
HTH
Rémi
2015-02-28 15:13 GMT+01:00 Rick Grashel <rgras...@gmail.com>:
> Hi guys,
>
> I also had similar issues writing REST services with Stripes. I
> absolutely did not want to get rid of Stripes, so I had to write a REST
> ActionBean framework for Stripes which supported all of Stripes validation
> and binding. If you are interested, you can download it here:
>
> https://github.com/rgrashel/stripes-rest
>
> I can help anybody out with implementation of a REST service if they need
> it. But for this library, full Stripes validation is supported. It uses
> the same "convention" approach that Stripes uses, so you write get(),
> post(), delete(), head(), put() methods and they will be automatically
> called. It also uses Stripes' own internal Javascript builder and has a
> new JsonResolution to create JSON-based responses.
>
> Give it a look if you are interested. I have been using it in production
> for quite awhile and it works well.
>
> Thanks.
>
> -- Rick
>
>
> On Sat, Feb 28, 2015 at 7:17 AM, Janne Jalkanen <janne.jalka...@ecyrd.com>
> wrote:
>
>>
>> We’ve just been lazy and done
>>
>> public Resolution foo()
>> {
>> switch( getContext().getRequest().getMethod() )
>> {
>> case “post”:
>> return doPost();
>> case “get”
>> return doGet()
>> case “delete”:
>> return doDelete();
>> default:
>> return new ErrorResolution( … );
>> }
>> }
>>
>> What’s a bit more difficult is to incorporate validation into this, but
>> we basically have a superclass which has something like this:
>>
>> /**
>> * Normally Stripes turns validation errors into HTML, but since
>> this is an API,
>> * we turn it into JSON. Returns a JSON resolution with a single
>> * field "error" which then contains a number of errors.
>> */
>> @Override
>> public Resolution handleValidationErrors( ValidationErrors errors )
>> {
>> JSONObject obj = new JSONObject();
>>
>>
>> obj.put( "error", constructErrorObject(errors) );
>>
>>
>> return new JSONResolution( HttpServletResponse.SC_BAD_REQUEST,
>> obj );
>> }
>>
>> /**
>> * Turns a ValidationErrors document into JSON.
>> *
>> * @param errors
>> * @return
>> */
>> private Object constructErrorObject( ValidationErrors errors )
>> {
>> JSONObject obj = new JSONObject();
>>
>>
>> if( !errors.hasFieldErrors() )
>> {
>> if( errors.containsKey( ValidationErrors.GLOBAL_ERROR ) )
>> {
>> obj.put( "code", ERR_VALIDATION );
>> obj.put( "description", errors.get( ValidationErrors.
>> GLOBAL_ERROR ).get( 0 ).getMessage( getContext().getLocale() ) );
>> }
>> }
>> else
>> {
>> for( List<ValidationError> list : errors.values() )
>> {
>> obj.put( "code", ERR_VALIDATION );
>> obj.put( "description", list.get(0).getFieldName() + ": "+
>> list.get( 0 ).getMessage( getContext().getLocale() ) );
>> }
>> }
>>
>>
>> obj.put("status", 400);
>>
>>
>> return obj;
>> }
>>
>> JSONResolution is a custom class which has this in its heart:
>>
>> protected static ObjectMapper c_mapper = new ObjectMapper();
>> protected static ObjectMapper c_prettyMapper = new ObjectMapper();
>>
>>
>> static
>> {
>> c_prettyMapper.configure( SerializationFeature.INDENT_OUTPUT,
>> true );
>> }
>>
>> @Override
>> public void execute( HttpServletRequest request, HttpServletResponse
>> response ) throws Exception
>> {
>> response.setStatus( m_status );
>> response.setContentType( m_contentType );
>> response.setCharacterEncoding( "UTF-8" );
>>
>>
>> if( "true".equals(request.getParameter( "pretty" )) )
>> c_prettyMapper.writeValue( response.getOutputStream(),
>> m_object );
>> else
>> c_mapper.writeValue( response.getOutputStream(), m_object );
>>
>> response.getOutputStream().flush();
>> }
>>
>> This btw lets you just get nice JSON back from any API call by adding
>> “&pretty=true” to the request URL. This has proven to be invaluable while
>> debugging.
>>
>> One important caveat is that to protect against CSRF attacks you will
>> want to make sure that every single one of your API endpoints handles GET
>> requests properly. Since Stripe does not really differentiate between GET
>> and POST, you might accidentally allow people to make changes to your DB
>> using a GET method. We just limit the allowable methods via an annotation
>> and an interceptor.
>>
>> Stripe is OK for REST API development; more modern frameworks like
>> Dropwizard do make some things a bit easier though (btw, Dropwizard+Guice
>> has a lot of the same feel as Stripe for development - though Stripe’s
>> templating system is still pretty darned powerful and I haven’t really
>> found an equivalent).
>>
>> /Janne
>>
>> On 28 Feb 2015, at 14:56 , Juan Pablo Santos Rodríguez <
>> juanpablo.san...@gmail.com> wrote:
>>
>> Hi,
>>
>> we've been in the same situation, and we've used the same double approach
>> described by Remi: facing public, CMS-heavy sites using REST-like services
>> provided by Stripes, whereas transactional applications are invoking CMS's
>> services via its REST services.
>>
>> The only downside with this approach is that modern js frameworks are
>> more prepared to use true/full/complete/you-name-it REST services (= a post
>> on an URL is not the same as a GET), which is complex to achieve if using
>> Stripes, as you'd have to make your ActionBeans aware of the http verb
>> (maybe extending @URLBinding, @HandleEvent, etc. maybe with a new @Verb),
>> and write your ActionBeanResolver, so it can understand all the previous.
>> We felt we were going to modify too much Stripes internals, so we chose
>> instead to make calls to some URLs managed by Stripes' apps which return
>> some JSON.
>>
>> Btw, we'd love to hear if someone has tried any other approach to serve
>> true REST services with Stripes.
>>
>> Lastly, another approach you could use is to try portofino (
>> http://portofino.manydesigns.com/). It has CMS capabilities, it's
>> Stripes-based, has user/roles, different kind of support service. The
>> downsides: it's not widely known (we came across it looking for a CRUD
>> generator). Note that we haven't used it on any real project yet, so we
>> don't really know how it behaves, you'll have to try it for yourself and
>> see if it fits your needs.
>>
>>
>> hth,
>> juan pablo
>>
>>
>>
>>
>> On Sat, Feb 28, 2015 at 12:36 PM, VANKEISBELCK Remi <r...@rvkb.com>
>> wrote:
>>
>>> Btw, I've done something similar on a small app : we allow the site
>>> owner to change some of the pages using MCE or something. We also allow to
>>> upload images and reference them in those pages.
>>>
>>> It does the job for us and for what it's cost, didn't take long to hack.
>>>
>>> But it's pretty ugly, and we quickly fell into pretty complex layout
>>> issues and the like. The regular html tags (and the WYSIWYG over them)
>>> ain't powerful as what you'll find in some CMSs with templating etc.
>>>
>>> In short, the "home-brew" solution works for very simple pages in terms
>>> of formatting, or maybe for only fragments of a page that is laid out by an
>>> actual web designer :)
>>>
>>> Cheers
>>>
>>> Rémi
>>>
>>> 2015-02-28 12:27 GMT+01:00 VANKEISBELCK Remi <r...@rvkb.com>:
>>>
>>>> Hi,
>>>>
>>>> Interesting question :)
>>>>
>>>> I guess a fundamental indicator is the complexity of the CMS vs your
>>>> own code. I mean, will the public facing website include only a small part
>>>> of customization (a few new forms here and there, a few pages...) and most
>>>> of the hits will be actually handled by the CMS ? Or is it the inverse ?
>>>> Are your Stripes pages the main focus, and expose more features than the
>>>> CMS ?
>>>>
>>>> Rewriting a full-blown CMS ain't easy, but I guess rewriting your app
>>>> isn't either :P
>>>>
>>>> Apart from your 3 options, have you considered client-side,
>>>> "mashup"-style integration ?
>>>>
>>>> I mean, I guess most of those CMSs provide ways to integrate 3rd party
>>>> stuff within their UI, via plugins or the like.
>>>>
>>>> It depends on the architecture (authentication, cross-domain etc) but
>>>> maybe you can integrate your heterogeneous apps via "widgets" that you put
>>>> in your CMS and that access your Stripes services.
>>>> I don't know Wordpress, but I'm pretty sure it has such capability. It
>>>> certainly provides REST APIs that you can call from the browser in order to
>>>> get the data you need from the CMS. Now you only need your Stripes app to
>>>> do the same : expose REST-like services so that you can mix "cross-apps"
>>>> widgets in the same page(s). Like display a GUI that is backed by a Stripes
>>>> app inside a Wordpress page.
>>>>
>>>> Quick googling, and, as expected, it's plugin-based at its core :
>>>> http://codex.wordpress.org/Writing_a_Plugin
>>>>
>>>> Ok, it's php, but it can definitely invoke your Stripes stuff, either
>>>> directly from your Wordpress instance in php (server-to-server), or via
>>>> Cross-Domain JS (browser-to-server). The second option involves only very
>>>> little php : your plugin only has to include the JS you need from the
>>>> Stripes app, and let it do the magic...
>>>>
>>>> You can also mix the two websites in some circumstances. Say you now
>>>> have a "Shop" link in the CMS nav bar : this link can point to a Stripes
>>>> app, provided you manage authentication.
>>>>
>>>> Tell us how it goes !
>>>>
>>>> Cheers
>>>>
>>>> Rémi
>>>>
>>>>
>>>>
>>>>
>>>> 2015-02-28 11:08 GMT+01:00 Paul Carter-Brown <
>>>> paul.carter-br...@smilecoms.com>:
>>>>
>>>>> Hi,
>>>>>
>>>>> We have been using Stripes for the last 5 years and love the
>>>>> framework. The sites we have used it on are all transactional (think CRM)
>>>>> with back-end integration to other systems for customer profile
>>>>> management,
>>>>> account management etc.
>>>>> We also have a fairly static public facing web site using wordpress
>>>>> CMS that was created by our marketing agency. We now have a need to add a
>>>>> lot more transactional functionality to the public facing site for
>>>>> customers to buy goods and services, manage their accounts etc and the
>>>>> marketing team want to keep their ability to manage and change content on
>>>>> the site as they see fit without code/JSP changes. We now have to make a
>>>>> call on these possible options:
>>>>>
>>>>> 1) Try and use PHP/Wordpress to do what we are so good at doing in
>>>>> Stripes. We are a Java shop and have lots of boiler plate code and
>>>>> framework around Stripes so thinking of now doing this all over again in
>>>>> PHP is scary
>>>>>
>>>>> 2) Use a completely new Java web framework with a CMS and then find a
>>>>> way of adding our back end integration etc into that web framework.
>>>>> Thinking here of things like Drupal, HippoCMS, dotCMS etc
>>>>>
>>>>> 3) Find a CMS with a tag library or similar that can be used on
>>>>> Stripes JSP's to pull in content served from the CMS to supplement whats
>>>>> being resented by the JSP. We then get to use Stripes and have all the
>>>>> integration done already (e.g. binding into domain models). We also get
>>>>> the
>>>>> benefit of giving marketing areas of the site where they are free to
>>>>> change
>>>>> images, text etc etc in a CMS with approval processes and ability to
>>>>> publish changes without any need for redeploys etc
>>>>>
>>>>>
>>>>> I really really want to find a good CMS for option (3). I'm sure my
>>>>> requirement is not unique (power of Stripes for transactional web sites
>>>>> but
>>>>> with a CMS for marketing to update parts of the site they control). Anyone
>>>>> out there with any suggestions?
>>>>>
>>>>> Thanks so much
>>>>>
>>>>> This email is subject to the disclaimer of Smile Communications at
>>>>> http://www.smilecoms.com/home/email-disclaimer/
>>>>> <http://www.smilecoms.com/disclaimer>
>>>>>
>>>>>
>>>>>
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>>>>
>>>
>>>
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>
>
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