Data between views in eclipse rcp

ISourceProviderListener

http://www.vogella.com/articles/EclipseCommandsAdvanced/article.html

http://www.ibm.com/developerworks/opensource/library/os-ecllink/?ca=dgr-lnxw09EclipseGUIviews

You have the different communication paradigm summarize in the IBM article

• To make a view capable of listening to selection changes, a view must implement the ISelectionListenerinterface and must register itself with the workbench page
• Using the IAdaptable interface: A class that implements IAdaptable has the capability to dynamically return certain types of adapters that can then be used to retrieve further information.
• property change listener paradigm

Regarding the first approach, the article details:

https://stackoverflow.com/questions/2227701/how-to-communicate-between-views-in-eclipse-rcp