What is a ServletRequest?
What is a ServletRequest?
A ServletRequest object provides data including parameter name and values, attributes, and an input stream. Interfaces that extend ServletRequest can provide additional protocol-specific data (for example, HTTP data is provided by HttpServletRequest .
What information does ServletRequest allow access to?
ServletRequest allows the Servlet to access information such as: Names of the parameters are passed by the client. The protocol [scheme] such as the HTIP POST and PUT methods being used by the client. The names of the remote host that are made the request.
What is used of ServletRequest interface?
This interface is for getting data from the client to the servlet for a service request. Network service developers implement the ServletRequest interface. The methods are then used by servlets when the service method is executed; the ServletRequest object is passed as an argument to the service method.
How do you send data in GET method?
How to use GET method to send data in jQuery Ajax?
- url − A string containing the URL to which the request is sent.
- data − This optional parameter represents key/value pairs that will be sent to the server.
- callback − This optional parameter represents a function to be executed whenever the data is loaded successfully.
Which class provides implementation for service method?
GenericServlet class can handle any type of request so it is protocol-independent. You may create a generic servlet by inheriting the GenericServlet class and providing the implementation of the service method.
Can we send form data in GET request?
The form-data can be sent as URL variables (with method=”get” ) or as HTTP post transaction (with method=”post” ). Notes on GET: Appends form-data into the URL in name/value pairs. The length of a URL is limited (about 3000 characters)
Can we send data in GET request?
Yes, you can send any HTTP headers with your GET request. For example, you can send user authentication data in the Authorization header, send browser cookies in the Cookie header, or even send some additional details about your request in custom headers like X-Powered-By or X-User-IP.
What is a JSP file?
A JSP page is a text document that contains two types of text: static data, which can be expressed in any text-based format (such as HTML, SVG, WML, and XML), and JSP elements, which construct dynamic content. The recommended file extension for the source file of a JSP page is .