[OPEN-ILS-DEV] Different OSRF response format from different servers?

[Jason Stephenson]

Ken,

Are you using any specific library for parsing JSON with Java, or are
parsing it with bespoke code? I would think there would be a library out
there that might be able to handle this.

Jason

On 01/26/2017 08:00 AM, Ken Cox wrote:
> Thank you, that helps.  I implemented a generic string-or-int-to-integer
> method, and will be on the lookout for other places where it might be
> needed.  I guess it goes without saying that it feels a bit awkward to
> be dealing with Perl vagaries when consuming the API from a different
> language.  (I'm looking at you, open-ils.pcrud.retrieve.mra, and your
> devilish perlishness)
> 
> Ken
> 
> On Wed, Jan 25, 2017 at 12:21 PM, Mike Rylander <mrylander at gmail.com
> <mailto:mrylander at gmail.com>> wrote:
> 
>     Ken,
> 
>     Any time a variable is used as a string (or a number), perl starts
>     treating it that way for stringification purposes.  As the code
>     changes version to version, and even as different code paths are taken
>     within one version depending on settings, perl may change the variable
>     type.  Like Bill says, if you expect a number it's best to just use,
>     say, parseInt() from JS or it's equiv.
> 
>     HTH,
> 
>     --
>     Mike Rylander
>      | President
>      | Equinox Software, Inc. / Open Your Library
>      | phone:  1-877-OPEN-ILS (673-6457)
>      | email:  miker at esilibrary.com <mailto:miker at esilibrary.com>
>      | web:  http://www.esilibrary.com
> 
> 
>     On Wed, Jan 25, 2017 at 10:38 AM, Bill Erickson <berickxx at gmail.com
>     <mailto:berickxx at gmail.com>> wrote:
>     > Hi Ken,
>     >
>     > I can't say why they vary in this specific case, but it's not
>     uncommon for
>     > numbers to be packaged as JSON strings throughout Evergreen / OpenSRF.
>     > Generally, Perl and JavaScript don't care and the OpenSRF JSON C
>     library is
>     > well-equipped to handle it.  It's probably best to assume that any
>     number
>     > might be delivered as a JSON number or a JSON string.
>     >
>     > -b
>     >
>     >
>     >
>     >
>     > On Tue, Jan 24, 2017 at 5:03 PM, Ken Cox <kenstir at gmail.com
>     <mailto:kenstir at gmail.com>> wrote:
>     >>
>     >> I have a bug report that searching the Missouri Evergreen catalog
>     crashes
>     >> the Android Hemlock App.  I tracked it down to different results
>     from the
>     >> open-ils.search.biblio.multiclass.query .  The server at
>     >> issourievergreen.org <http://issourievergreen.org> returns an
>     "ids" list containing integers, and the
>     >> other servers I tried return an "ids" list containing strings.
>     >>
>     >> Is this expected?  Handling this one mismatch is straightforward,
>     but I'm
>     >> wondering how many similar issues lurk behind this one.
>     >>
>     >> Sample search queries and excerpted results for "pride and
>     prejudice":
>     >>
>     >> missourievergreen, version 2-11-0
>     >>
>     >>
>     >>
>     https://missourievergreen.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1
>     <https://missourievergreen.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1>
>     >> ...
>     >> "ids":[[32673,null,"0.0"],[886843,null,"0.0"]]
>     >>
>     >> gapines, version 2-11-1
>     >>
>     >>
>     >>
>     https://gapines.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1
>     <https://gapines.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1>
>     >> ...
>     >> "ids":[["503610",null,"0.0"],["502717",null,"0.0"]]
>     >>
>     >> cwmars, version 2-10-7
>     >>
>     >>
>     >>
>     http://bark.cwmars.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1
>     <http://bark.cwmars.org/osrf-gateway-v1?service=open-ils.search&method=open-ils.search.biblio.multiclass.query&param=%7B%22org_unit%22:1,%22default_class%22:%22keyword%22,%22offset%22:0,%22limit%22:2,%22depth%22:0%7D&param=%22pride%20and%20prejudice%22&param=1>
>     >> ...
>     >> "ids":[["1805532"],["2385399"]]
>     >>
>     >>
>     >>
>     >> --
>     >> -Ken
>     >
>     >
> 
> 
> 
> 
> -- 
> -Ken