nextapp.echoservlet
Interface Service

All Known Subinterfaces:

CacheableService

All Known Implementing Classes:

AwtImagePeer, CacheableServiceWrapper, ContainerPaneUI, ContentPaneUI, ResourceImagePeer, StaticBinary, StaticText, StreamImagePeer, Template, WindowUI

public interface Service

An interface for objects that process Connections, parsing an HTTP request and producing an HTTP response.

Every service is identified by a unique Id. When the client browser makes a request of the server and provides the Service Id of this service, its service() method will be invoked. Every request to an Echo application from a client browser will invoke a service. Services must be registered with the ServiceRegistry before they can be used.

Method Summary

Id	getId() Returns a unique identifier for this service.
void	service(Connection conn) Services an HTTP request.

Method Detail

getId

public Id getId()

Returns a unique identifier for this service.

Returns:

A unique identifier for this service.

service

public void service(Connection conn)
             throws java.io.IOException

Services an HTTP request. Information about the HTTP request as well as methods for issuing a response are available from the provided Connection object.

Parameters:

conn - A Connection object which wraps HttpServletRequest and HttpServletResponse objects and provides access to the facilities of the Echo application container.

Throws:

java.io.IOException - in the event of errors related to processing the HTTP request or producing a response.