Echo3 Update: SVN, Wiki, Forms, Builds

Dietrich Kappe, Monday, October 22, 2007 @ 5:14 am

Echo3 is showing a few more signs of life. Since my update last month on some early details of Echo3, the pace has picked up. No alpha release, but already there are two forums, one especially for folks looking to contribute to Echo3 development. Also, a few other things worth mentioning about Echo3:

• The SVN repository can be found at svn://svn.nextapp.com/echo3/trunk (Echo3Extras are at svn://svn.nextapp.com/echo3extras/trunk).
• If you just want the binaries (or binaries with source), the Echo3Go project is handy.
• Initial performance numbers of Echo2 vs Echo3 show a more than 2x improvement in performance.

Further, a more detailed description of the new features, design principles and ideas behind Echo3 can be found on the wiki. Two items that are especially interesting for those looking to write their own components:

• Automatic Serialization: Data objects sent between client and server can be automatically serialized between Java, XML, and JavaScript. The serialization architecture is extensible--serialization code for new object types may be added by the developer.
• Simplified Client/Server Synchronization Peers: Serializing components and commands between client and server is performed automatically using the built-in serialization architecture. The component developer only need specify which properties should be sent (for components, all local style properties are automatically sent).

Serializing and deserializing data between client and server can be one of the more timeconsuming and error prone parts of developing Ajax apps. Packaging this into the framework with improve productivity at the very least.

Technorati Tags: ajax, echo3, echo2

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