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Package javax.servlet.http

The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.

Interface Summary

Modifier and Type	Interface and Description
public interface	HttpServletMapping Allows runtime discovery of the manner in which the `HttpServlet` for the current `HttpServletRequest` was invoked.
public interface	HttpServletRequest Extends the `javax.servlet.ServletRequest` interface to provide request information for HTTP servlets.
public interface	HttpServletResponse Extends the `ServletResponse` interface to provide HTTP-specific functionality in sending a response.
public interface	HttpSession Provides a way to identify a user across more than one page request or visit to a Web site and to store information about that user.
public interface	HttpSessionActivationListener Objects that are bound to a session may listen to container events notifying them that sessions will be passivated and that session will be activated.
public interface	HttpSessionAttributeListener Interface for receiving notification events about HttpSession attribute changes.
public interface	HttpSessionBindingListener Causes an object to be notified when it is bound to or unbound from a session.
public interface	HttpSessionContext Deprecated As of Java(tm) Servlet API 2.1 for security reasons, with no replacement. This interface will be removed in a future version of this API.
public interface	HttpSessionIdListener Interface for receiving notification events about HttpSession id changes.
public interface	HttpSessionListener Interface for receiving notification events about HttpSession lifecycle changes.
public interface	HttpUpgradeHandler This interface encapsulates the upgrade protocol processing.
public interface	Part This class represents a part or form item that was received within a `multipart/form-data` POST request.
public interface	PushBuilder Build a request to be pushed.
public interface	WebConnection This interface encapsulates the connection for an upgrade request.

Class Summary

Modifier and Type	Class and Description
public class	Cookie Creates a cookie, a small amount of information sent by a servlet to a Web browser, saved by the browser, and later sent back to the server.
public abstract class	HttpFilter Provides an abstract class to be subclassed to create an HTTP filter suitable for a Web site.
public abstract class	HttpServlet Provides an abstract class to be subclassed to create an HTTP servlet suitable for a Web site.
public class	HttpServletRequestWrapper Provides a convenient implementation of the HttpServletRequest interface that can be subclassed by developers wishing to adapt the request to a Servlet.
public class	HttpServletResponseWrapper Provides a convenient implementation of the HttpServletResponse interface that can be subclassed by developers wishing to adapt the response from a Servlet.
public class	HttpSessionBindingEvent Events of this type are either sent to an object that implements `HttpSessionBindingListener` when it is bound or unbound from a session, or to a `HttpSessionAttributeListener` that has been configured in the deployment descriptor when any attribute is bound, unbound or replaced in a session.
public class	HttpSessionEvent This is the class representing event notifications for changes to sessions within a web application.
public class	HttpUtils Deprecated As of Java(tm) Servlet API 2.3. These methods were only useful with the default encoding and have been moved to the request interfaces.
pack-priv class	NoBodyOutputStream
pack-priv class	NoBodyResponse

Enum Summary

Modifier and Type	Enum and Description
public enum	MappingMatch Enumeration of Servlet mapping types.