||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
||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.
||A filter configuration object used by a servlet container
used to pass information to a filter during initialization.
||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.
||Defines methods that all servlets must implement.
||A servlet configuration object used by a servlet container
used to pass information to a servlet during initialization.
||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.
||Implementations of this interface recieve notifications of
changes to the attribute list on the servlet context of a web application.
||Implementations of this interface recieve notifications about changes to the servlet context of the web application they are part of.
||Defines an object to provide client request information to a servlet.
||Defines an object to assist a servlet in sending a response to the client.
||Ensures that servlets handle
only one request at a time.
||Defines a generic, protocol-independent
||This is the event class for notifications about changes to the attributes of the
servlet context of a web application.
||This is the event class for notifications about changes to the servlet context of a web application.
||Provides an input stream for reading binary data from a client
request, including an efficient
for reading data one line at a time.
||Provides an output stream for sending binary data to the
||Provides a convenient implementation of the ServletRequest interface that
can be subclassed by developers wishing to adapt the request to a Servlet.
||Provides a convenient implementation of the ServletResponse interface that
can be subclassed by developers wishing to adapt the response from a Servlet.