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Java Servlet Programming, 2nd Edition
book

Java Servlet Programming, 2nd Edition

by Jason Hunter, William Crawford
April 2001
Intermediate to advanced content levelIntermediate to advanced
780 pages
23h 48m
English
O'Reilly Media, Inc.
Content preview from Java Servlet Programming, 2nd Edition

Name

HttpServlet

Synopsis

Class Name: javax.servlet.http.HttpServlet

Superclass: javax.servlet.GenericServlet

Immediate Subclasses: None

Interfaces Implemented: javax.servlet.Servlet, java.io.Serializable

Availability: Servlet API 1.0 and later

Description

HttpServlet is an abstract class that serves as the base class for HTTP (World Wide Web) servlets. The public service( ) method dispatches requests to an HTTP-specific, protected service( ) method, which then dispatches requests to particular handler functions for each HTTP submission type: doGet( ), doPost( ), and so on. Because the default HTTP servlet implementation handles dispatching to these methods, if you override the protected service( ) method, you must either handle the dispatching manually or not use the handler functions for HTTP request methods.

Class Summary

public abstract class HttpServlet extends javax.servlet.GenericServlet implements javax.servlet.Servlet, java.io.Serializable { // Constructors public HttpServlet(); // Public instance method public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException; // Protected instance methods protected void doDelete(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException; // New in 2.0 protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException; protected void doOptions(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException; // New ...
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Publisher Resources

ISBN: 0596000405Supplemental ContentErrata Page