Read and write web browser cookies in a Vaadin application
This add-on implements a server-side component API for reading and writing browser cookies. You can store information in the users browser cookie memory and maintain it across the user sessions. You can use it to implement for example the well-known "Remember me" pattern for login. Now Java 5 Compatible.
Tip: To test with cookie pesistence use the 'restartApplication' URL parameter to start a new session.
Client-side cookie removal as suggested by 'Vi VK Key' http://vaadin.com/forum/-/message_boards/view_message/18844#_19_message_320293