Images, Flash, video, audio, and other web content

In the previous section, we saw how to add an icon to a component through a ClassResource instance. A Resource represents web content such as images, flash files, audio files, video, or even an external web page.

Note

Vaadin has two flavors of resources: Generic resources (implement Resource) and connector resources (implement ConnectorResource). A connector resource is specialized in the sense that it will connect to a resource through the Vaadin Servlet while a generic resource will bypass the Servlet.

We can choose from five Resource implementations:

Class	Description	Example
ExternalResource	Fetches a resource from a location specified by URL. The resource is fetched directly by the client.	ExternalResource( "http://alejandrodu.com")
ThemeResource	Vaadin applications can use a theme. A theme is a collection of web resources such as HTML templates, and CSS files. This implementation fetches the resource from the directory where the...