Mobile Application Integration

Once you have made the decision to develop either a native (iOS/Android) or web based application for your mobile device the next major challenge becomes how do you integrate this application to your back-end applications such as your CRM or ERP system?


The unique presentation challenge faced by Mobile App developers has fundamentally changed the way we create web applications. Previously HTML would be requested from a central server and rendered in 'browsers' at the client side. The new "Mobile App" paradigm involves the delivery of dynamic content using HTTP and AJAX, with communication taking the form of JSON data being passed over HTTP using REST services.


Consequently the integration challenge becomes, how to quickly expose your existing infrastructure to this new 'mobile delivery channel', while minimizing changes to your back-end infrastructure. Organizations that are able to achieve this quickly will be able to expose their traditional business models to entirely devices and demographics. GreenByte provides significant value here providing a simple mechanism, or mediation layer, between existing SOAP/XML based Web Services and REST/JSON applications. Additionally, they can easily orchestrate sophisticated composite applications from multiple back-end services, both REST and non-REST services, without the need to expose your internal object model to your external consumers.


In this use case, we will show how easy it is using GreenByte to "RESTify" an existing application. By "RESTify" we mean creating a REST web service front end to an existing application.


Let's say you wanted to enable your sales team to create a new sales opportunity from their mobile devices that;

  • Is synchronized with your SalesForce CRM implementation, and
  • Sends an email notification to a manager if the opportunity is over a certain dollar value.


Integration Core Principles

Applying our five core integration principles a Mobile Application Integration use case typically involves the following:



Since we are going to consume this interface from a mobile application, the best choice for the data format is JSON, which is a protocol that is very easy to work with both in a mobile application and in GreenByte. In this case the challenge will be to transform the JSON data being received from our mobile device into a format that is can be loaded in SFDC. A simple JSON data object is presented below, which indicates the type of data being received from our Mobile App.


Transport protocol negotiation between a REST (HTTP) based service that interacts with our Mobile Application and in our use case, with the SFDC system over HTTP and an additional email connection that uses the SMTP protocol.


Composing several underlying components into a single higher order composite service. In this use case we are aggregating an update with SFDC with a simple email service and presenting it as a REST-based Mobile Application using a simple GreenByte integration flow to wire everything together.


Mediation will be useful here over time as it becomes necessary to support multiple versions of this service for a wide range of consumers. Additionally it is possible (if required) to provide an additional SOAP interface for this REST-based service by simply adding the mediation components to marshal between SOAP/XML & JSON.

Non-functional consistency

These requirements are by nature generic and include providing a common implementation of security, logging, deployment, management of run-time components, and more. GreenByte provides functionality to cater to each of these requirements.


GreenByte Integration components

GreenByte provides a simple graphical interface for composing these types of applications. The first step in communicating with a Mobile Application would be to use an HTTP endpoint coupled with a REST component. This step takes care of most of the complexity associated with communicating with your Mobile apps and consuming JSON objects. GreenByte also simplifies the process of communicating with the SalesForce CRM system by providing a 'pre-built' cloud connector that you can drag into your project, specify your user name and token, select the function that you want to call and you're done. Likewise the process of adding filtering logic and communicating with an SMTP server for sending email is also greatly simplified.

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