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NextApp Echo3 v3.0.b4 |
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public interface Service
An interface for objects that process Connection
s, parsing an
HTTP request and producing an HTTP response.
Every service is identified by a unique identifier. When the client
browser makes a request of the server and provides the identifier of this
service, its service()
method will be invoked. Every request
to an Echo application from a client browser will invoke a service.
Field Summary | |
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static int |
DO_NOT_CACHE
A value returned by getVersion() to indicate that a
service should not be cached. |
Method Summary | |
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java.lang.String |
getId()
Returns the unique identifier of this service. |
int |
getVersion()
Returns the version of the service to be retrieved. |
void |
service(Connection conn)
Services an HTTP request. |
Field Detail |
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static final int DO_NOT_CACHE
getVersion()
to indicate that a
service should not be cached.
Method Detail |
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java.lang.String getId()
int getVersion()
getVersion()
should return distinct values whenever the
service's content may have changed.
void service(Connection conn) throws java.io.IOException
conn
- a Connection
object which wraps
HttpServletRequest
and
HttpServletResponse
objects and provides
access to the facilities of the Echo application container
java.io.IOException
- in the event of errors related to processing the
HTTP request or producing a response
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NextApp Echo3 v3.0.b4 |
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