Servletsthat implement some of the standard functionality provided by the Catalina servlet container.
CGI-invoking servlet for web applications, used to execute scripts which comply to the Common Gateway Interface (CGI) specification and are named in the path-info used to invoke this servlet.
This is an input stream specifically for reading HTTP headers.
The default resource-serving servlet for most web applications, used to serve static resources such as HTML pages and images.
This package contains
Servlets that implement some of the
standard functionality provided by the Catalina servlet container. Because
these servlets are in the
org.apache.catalina package hierarchy,
they are in the privileged position of being able to reference internal server
data structures, which application level servlets are prevented from
accessing (by the application class loader implementation).
To the extent that these servlets depend upon internal Catalina data structures, they are obviously not portable to other servlet container environments. However, they can be used as models for creating application level servlets that provide similar capabilities -- most obviously the DefaultServlet implementation, which serves static resources when Catalina runs stand-alone.
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