ADF Basics: Using setPropertyListener to set value in memory scope variables

Soemtimes we need to set a value in memory scope variable on some event
In ADF af:setPropertyListener does this for you declaratively

The setPropertyListener tag provides a declarative syntax for assigning values when an event fires. The setPropertyListener implements the listener interface for a variety of events, to indicate which event type it should listen for set the 'type' attribute.

Read more about <af:setPropertyListener>

Facebook, Twitter, Google - Create large share buttons using JavaScript

This post is not like my other posts (ADF & Java), It is about creating custom large share buttons for Facebook, Twitter and Google+
Actually this share functionality of social networking sites (Facebook, Twitter, Google+ etc) works on a particular url pattern

Let's take example of Facebook , to share any url on Facebook just pass that url as a parameter in this url
http://www.facebook.com/share.php?u=url
See when i open this url on browser (I have passed www.awasthiashish.com in url parameter)
http://www.facebook.com/share.php?u=www.awasthiashish.com , it shows standard Facebook share page

Set EL expression in value (properties) of programmatically created ADF Faces component

When we are working with ADF Faces components programmatically then we  create , set styles,set value of that component from managed bean
This post is about setting an expression as component value that will be resolved at run time and return desired value