Package javax.servlet
The javax.servlet package contains a number of classes and interfaces that
describe and define the contr acts between a servlet class and the
runtime environment provided for an insta nce of such a class by a
conforming servlet container.
See:
Description
Interface Summary
Filter
A filter is an object than perform filtering tasks
on either the request to a resource (a servlet or static content), or on the response from
a resource, or both.
Filters perform filtering in the
doFilter method.
FilterChain
A FilterChain is an object provided by the servlet container to the developer
giving a view into the invocation chain of a filtered request for a resource.
FilterConfig
A filter configuration object used by a servlet container
used to pass information to a filter during initialization.
RequestDispatcher
Defines an object that receives requests from the client
and sends them to any resource (such as a servlet,
HTML file, or JSP file) on the server.
Servlet
Defines methods that all servlets must implement.
ServletConfig
A servlet configuration object used by a servlet container
used to pass information to a servlet during initialization.
ServletContext
Defines a set of methods that a servlet uses to communicate with its
servlet container, for example, to get the MIME type of a file, dispatch
requests, or write to a log file.
ServletContextAttributeListener
Implementations of this interface recieve notifications of
changes to the attribute list on the servlet context of a web application.
ServletContextListener
Implementations of this interface recieve notifications about changes to the servlet context of the web application they are part of.
ServletRequest
Defines an object to provide client request information to a servlet.
ServletResponse
Defines an object to assist a servlet in sending a response to the client.
Class Summary
ServletContextAttributeEvent
This is the event class for notifications about changes to the attributes of the
servlet context of a web application.
ServletContextEvent
This is the event class for notifications about changes to the servlet context of a web application.
ServletInputStream
Provides an input stream for reading binary data from a client
request, including an efficient
readLine method
for reading data one line at a time.
ServletRequestWrapper
Provides a convenient implementation of the ServletRequest interface that
can be subclassed by developers wishing to adapt the request to a Servlet.
ServletResponseWrapper
Provides a convenient implementation of the ServletResponse interface that
can be subclassed by developers wishing to adapt the response from a Servlet.
Exception Summary
ServletException
Defines a general exception a servlet can throw when it
encounters difficulty.
UnavailableException
Defines an exception that a servlet or filter throws to indicate
that it is permanently or temporarily unavailable.
Package javax.servlet Description
The javax.servlet package contains a number of classes and interfaces that
describe and define the contr acts between a servlet class and the
runtime environment provided for an insta nce of such a class by a
conforming servlet container.