JSP config implicit object
JSP config object is an instance of javax.servlet.ServletConfig. This object is used to get the configuration information about a page like servlet name, servlet context, configuration parameters etc.
Example:
index.jsp
<html>
<head>
<title>config implicit object example</title>
</head>
<body>
<h3>To see the website name click on the below link.</h3>
<a href="welcome.jsp">Click here</a>
</body>
</html>
|
welcome.jsp
<html>
<head>
<title>config implicit object example</title>
</head>
<body>
<%
String companyWebsite =
config.getInitParameter("companyWebsiteName");
out.print("Company website: " + companyWebsite);
%>
</body>
</html>
|
web.xml
<web-app>
<servlet>
<servlet-name>welcomeServlet</servlet-name>
<jsp-file>/welcome.jsp</jsp-file>
<init-param>
<param-name>companyWebsiteName</param-name>
<param-value>www.javawithease.com</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>welcomeServlet</servlet-name>
<url-pattern>/welcome.jsp</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
|
Output:
Click on the link.