The Silver Lining

Lessons & Learnings from a salesforce certified technical architect.

Archive for the ‘Design’ Category

Salesforce API Integration Using SOAP-based Web Services

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Too Much Documentation (TMD) - The leading cause of baldness amongst men.

There are several tomes & tools to help you integrate with the platform; this article will concentrate on WSDL defined web services. Some help texts are specific to certain languages, others favour certain approaches but I’ve found there’s no short-and-sweet guide. As someone who’s nearly drowned in the documentation (including forums, tweets and blogs) I thought I’d try to save – at least some of you – the white-squall that is ‘Learning the basics of SFDC WSDL-based integration’.

I’ll be the first to admit that summarising such a broad topic can be difficult, so if I do miss anything out, y’all out there in the community just let me know. Read the rest of this entry »

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Salesforce: Polymorphism driven by Apex class inheritance

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Polywhatsthatnow? Polymorphism ” is the ability of one type, A, to appear as and be used like another type, B.

It is a facet of OOP and can best be described using the good ol’ example of the ‘Shape’ class problem (thanks Java!). Let’s suppose we’d like to create an application that drew a number of shapes on a page. At the time of analysis we know that we want to immediately support circles, but to future-proof our application we need to support the drawing of any shapes. Being Pretty Darn Good Developers(tm) we realise we should create a Shape class that has a single method used to draw itself, and any specific shapes should be derived from this class, and override that method. Make sense? Didn’t think so. Read the rest of this entry »

Written by Wes

December 23, 2009 at 2:04 pm

Flickr + jQuery + Salesforce = Awesome^5 [Part 2]

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Okay software developing enthusiasts, I’m back from Paris (you didn’t know I was gone did ya?), I’m a year older and culturally, I’m richer (well I’d like to think so at least). It’s time to complete our two-part series on integrating disparate systems using  the most-excellent combination of web services, jQuery and the Force.com platform. In part 1 we learnt how to connect to a third-party endpoint (Flickr in our case), and consume their SOAP-based web services. Now we’re going to jazz it all up with our spiffy jQuery gallery carousel. Let’s have another look at where we want to be at the end of this all,

GalleryView 2.0 Integration
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Flickr + jQuery + Salesforce = Awesome^5 [Part 1]

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Being a mathematician, equations like those in the title usually make me wanna poke someone in the eye.. but in this case it’s just too true to not use. My aim over the next two posts is to provide you with the knowledge to,

  1. Consume web services from within the Force.com platform(without WSDLs).
  2. Use web services(we’ll be using the SOAP-based variety), or other agents, as data sources for integration with JavaScript, and in particular, jQuery.

I will cover point 1 in this post, and then bring it all together in a second post which will cover point 2. It’s gonna be a rocky ride, but I’m sure all you cowboys/girls/others can handle it. Just so we know where we want to end up, our final product will look something like this,

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Written by Wes

October 25, 2009 at 5:40 pm

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