Re: Web service question...

[Bryce Martin <BMartin@xxxxxxxxxxxx>]

Or better yet...
<STATEMENT>
   drop table petstore
<STATEMENT>

:)

Thanks
Bryce Martin
Programmer/Analyst I
570-546-4777



Henrik Rützou <hr@xxxxxxxxxxxx>
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
07/20/2011 02:29 PM
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RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>


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Re: Web service question...






Does it also allows

<STATEMENT>
  update petstore/item set itemId = ''
</STATEMENT>

nice REST service ;-)

A browser is a loose gun, remember that !

On Wed, Jul 20, 2011 at 8:17 PM, Rory Hewitt <rory.hewitt@xxxxxxxxx>
wrote:

> All,
>
> FWIW, without wanting to disagree about what REST is (or isn't), much
> discussion of REST on the web points to its relative simplicity and
> implementation. Many of these examples show how a possibly complex
> procedure
> call can be simplified to a simple URL.
>
> I suspect that in many cases, this is what people 'mean' when they talk
> about a RESTful implementation or interface - the fact that you can
model
> your application (a collection of web services) in such a way that each
is
> a
> stand-alone object which can be called using only a URL to perform a
> specific action. This 2003 article points out that 85% of developers who
> interface to Amazon's web services do so using REST rather than SOAP.
Old
> article, of course, but stil...
>
> This is not to say that this is what REST *is* - but I have to admit
that
> when I first looked it up on Wikipedia several years ago, I was pretty
> baffled. On looking at that Wikipedia entry again, I think the total
lack
> of
> good examples is a severe deficiency.
>
> Rory
>
> p.s. KrengelTech (home of Aaron Bartell) has a pretty nifty product
called
> DB2WSE (http://iwiki.krengeltech.com/wiki/DB2WSE_User_Guide) which
allows
> you to run SQL queries against your back-end database using either a
> 'complex' XML interface or a much simpler REST (or at least REST-like)
> interface, e.g.:
>
>
> http://red.rpg-xml.com/db2wse/demo:demo/petstore/item/est-1
>
> instead of
>
> <DB2WSEREQ>
>  <STATEMENT>
>    select * from petstore/item where itemid = 'EST-1'
>  </STATEMENT>
>  <USER>DEMO</USER>
>  <PASSWORD>DEMO</PASSWORD></DB2WSEREQ>
>
> It is this user-visible feature of REST (the simple interface) which is
> what
> many people 'mean' when they talk about the benefits of REST.
>
> On Wed, Jul 20, 2011 at 9:25 AM, Henrik Rützou <hr@xxxxxxxxxxxx> wrote:
>
> > I agree with that, REST has a very loose definition and I will go
further
> > than
> > that and argue that most REST services when evoked from AJAX in a
browser
> > uses POST in order to ensure that the client don't get buffered data.
> >
> > You can argue that REST acts like and is a RPC (Remote Procedure Call)
> >
> > As an example a CGI program that acts as a CRUD service and where the
> > program just remains active and stateless under the Apache
environment.
> > Further more XML isn't the only way to communicate because the
interface
> > is bilatteral agreed so a REST service could also communicate in JSON,
> > consume FORMDATA etc.
> >
> > Most of these definitions discussed here overlaps each other in one or
> > several ways.
> >
> >
> > On Wed, Jul 20, 2011 at 5:48 PM, Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx
> > > wrote:
> >
> > > That's a reasonable description, but of course the devil is in the
> > > details.  First, a lot of RESTful services don't rely on the HTTP
verb.
> > > They all use GET (some use POST) and then leave it up to the service
to
> > > determine what to do.  This is often the case when you simply expose
> > > business logic as RESTful services; the HTTP interface is always the
> > > same, the service interprets and executes the request.  That makes
it a
> > > little easier to program the JavaScript on the browser; it doesn't
have
> > > to worry about different verbs.  Second, XML is no longer the only
or
> in
> > > some cases even the dominant format for the message.  JSON is used
more
> > > and more for both sides of the transaction, especially in Rich UI
> > > applications where both the client and server are written by the
same
> > > development organization.
> > >
> > > Joe
> > >
> > > > The way I've always described it...
> > > >
> > > > 1) In REST, the URI describes a "thing" to be acted upon.  (Ex: An
> > > > invoice, PO, zip code, whatever)
> > > >
> > > > 2) In REST, the HTTP method is the "verb" telling it what to do.
> > > > (Retrieve, Update, Delete, Insert, etc)
> > > >
> > > > 3) In SOAP, the URI describes an 'endpoint' which generally refers
to
> > > > some piece of software rather than a thing to act upon. A second
URI,
> > > > called Soap Action describes what that software should do. A set
of
> > > > input parameters defined in an XML message describe what data to
act
> > > upon.
> > > > 4) In both cases, an XML message is returned, either as the output
of
> > > > the web service, or describing the effect of calling the web
service.
> > > > On 7/20/2011 4:51 AM, Larry Ducie wrote:
> > > > > REST is a concept - it is the idea that the client has a picture
(or
> > > > > representation) of a "thing" in a certain well defined and valid
> > > > > "state". The "thing" exists on the remote server. Changes to the
> > > > > state of the "thing" from one valid state to another valid state
is
> > > > > performed via a call to a web service. A RESTful architecture
will
> > > > > provide a set of services that allow the client to describe the
> > > > > current state (customer details, order details, invoice details)
and
> > > > > to also change the current state (start order, add item, pay
bill).
> > > --
> > > This is the RPG programming on the IBM i / System i (RPG400-L)
mailing
> > list
> > > To post a message email: RPG400-L@xxxxxxxxxxxx
> > > To subscribe, unsubscribe, or change list options,
> > > visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
> > > or email: RPG400-L-request@xxxxxxxxxxxx
> > > Before posting, please take a moment to review the archives
> > > at http://archive.midrange.com/rpg400-l.
> >
> >
> >
> > --
> > Regards,
> > Henrik Rützou
> >
> >  http://powerEXT.com <http://powerext.com/>
> > --
> > This is the RPG programming on the IBM i / System i (RPG400-L) mailing
> list
> > To post a message email: RPG400-L@xxxxxxxxxxxx
> > To subscribe, unsubscribe, or change list options,
> > visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
> > or email: RPG400-L-request@xxxxxxxxxxxx
> > Before posting, please take a moment to review the archives
> > at http://archive.midrange.com/rpg400-l.
>
>
> --
> Rory Hewitt
>
> http://www.linkedin.com/in/roryhewitt
> --
> This is the RPG programming on the IBM i / System i (RPG400-L) mailing
list
> To post a message email: RPG400-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
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> or email: RPG400-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
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--
Regards,
Henrik Rützou

 http://powerEXT.com <http://powerext.com/>
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