What is the use of HttpServletRequest?
Interface HttpServletRequest. Extends the ServletRequest interface to provide request information for HTTP servlets. The servlet container creates an HttpServletRequest object and passes it as an argument to the servlet’s service methods ( doGet , doPost , etc). String identifier for Basic authentication.
What is getRequestedSessionId?
getRequestedSessionId() is the session id provided by the caller, usually with the JESSIONID cookie whereas HttpRequest. getGession(). getId() is the id effectively used by the server. For an ongoing session, the JESSIONID cookie, or the value of HttpRequest.
Which interface provides access to the method getRequestedSessionId ()?
javax.servlet.http Interface HttpServletRequest
| Method Summary | |
|---|---|
| java.lang.String | getAuthType() Returns the name of the authentication scheme used to protect the servlet. |
| java.lang.String | getRequestedSessionId() Returns the session ID specified by the client. |
What is Servlet response?
A ServletResponse object is created by the servlet container and passed as an argument to the servlet’s service function. Use the ServletOutputStream supplied by getOutputStream to deliver binary data in a MIME body response (). Use the PrintWriter object given by getWriter to deliver character data ().
How HttpServletRequest object is created?
Object of the HttpServletRequest is created by the Servlet container and, then, it is passed to the service method (doGet(), doPost(), etc.) of the Servlet. Extends the ServletRequest interface to provide request information for HTTP servlets.
What is the difference between httprequest getrequestedsessionid () and getgession ()?
HttpRequest.getRequestedSessionId () is the session id provided by the caller, usually with the JESSIONID cookie whereas HttpRequest.getGession ().getId () is the id effectively used by the server. For an ongoing session, the JESSIONID cookie, or the value of HttpRequest.getRequestedSessionId () allows the server to find the ongoing session by id.
What is a httpservletrequest object?
The servlet container creates an HttpServletRequest object and passes it as an argument to the servlet’s service methods (doGet, doPost, etc).
What happens if a collection is returned from a httpservletrequest?
Any changes to the returned Collection must not affect this HttpServletRequest . a (possibly empty) Collection of the Part components of this request java.io.IOException – if an I/O error occurred during the retrieval of the Part components of this request
How to authenticate the user making a request from a servletcontext?
Use the container login mechanism configured for the ServletContext to authenticate the user making this request. Returns the name of the authentication scheme used to protect the servlet. Returns the portion of the request URI that indicates the context of the request.