Creates a URI to retrieve a specific image for a specific component
from the server.
Parameters: containerInstance - the relevant application container instance. Parameters: imageId - the unique id to retrieve the image from theContainerInstance
Renders the specified image to the given connection.
Implementations should set the response content type, and write image
data to the response OutputStream.
Parameters: conn - the Connection on which to render the image Parameters: imageReference - the image to be rendered throws: IOException - if the image cannot be rendered