Config file java servlet

A resource can be a servlet or static content. Filter doFilter method performs filtering. The filter obtains its initialization parameters from the FilterConfig object.

The FilterConfig object reference to the ServletContext which it can use. First of all, the ServletConfig object represents a single servlet, it is like a local parameter associated with the particular servlet.

On the contrary, the ServletContext is like a global parameter associated with the whole application and is shareable by all servlet object, it represents the whole application running on a particular JVM and is common for all the servlets.

If you define name-value pairs for a ServletConfig inside the servlet section of the web. The ServletContext has an application-wide scope and is defined outside of the servlet tag. All the name-value pairs defined our of the servlet element can be got by ServletContext.

There is only one ServletContext object available and accessible by all servlets, but each Servlet comes with a separate ServletConfig object. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed. The ServletConfig is an interface. It has several methods. The method that returns all initialization parameter names: Enumeration getInitParameterNames.

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This privacy statement applies solely to information collected by this web site. Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information. Generally the URL for a servlet conforms to the following:. The components of the URL are defined as follows:. For example, to use a Web browser to call the HelloWorldServlet the example featured in this document , which is deployed in the examplesWebApp and served from a WebLogic Server running on your machine, enter the following URL:.

The preceding steps create a basic servlet. You will probably also use more advanced features of servlets:. This section provides the complete Java source code for the example used in the preceding procedure. The example is a simple servlet that provides a response to an HTTP request.

Later in this document, this example is expanded to illustrate how to use HTTP parameters, cookies, and session tracking. For example, if you want the myFileServlet to serve. Import the appropriate package and classes, including the following: import javax. Thangapalani says:.

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