O'Reilly logo

Development with the Force.com Platform: Building Business Applications in the Cloud, Third Edition by Jason Ouellette

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Overview

Canvas integrates applications at the user interface level, through the Web browser. The typical scenario for an integrated user interface is mashing up Force.com data with data from an external system. In this scenario, the external system can maintain its own database and processes, but leverage Force.com data opportunistically from the currently logged-in user. The alternative is typically heavier-weight integration whereby the servers of the external application attempt to stay synchronized with data from Force.com.

The two most important features of the Canvas are authentication and cross-domain XMLHttpRequest (XHR). These are described in the following list:

Authentication—Authentication enables your external Web application to ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required