Java™ Network Programming and Distributed Computing

10.10. ServletContext

Another important class is the ServletContext. This class allows access to servlets that can pose a potential security risk but at times may be necessary, and offers other useful functions. Sun provides a convenient way to access this context, through the getServletContext(), as shown below:

ServletContext scont = this.getServletContext();

The ServletContext provides a variety of information that is useful for debugging (such as logging an error condition to a server log), as well as for diagnostic purposes. These methods are shown in Table 10-6.

The logging methods allow entries to be made in the server-wide servlet log file. You can provide a simple message, or a message with an exception, such as this:

 public void ...