ServletConfig
public interface ServletConfig
A servlet configuration object used by a servlet container to
pass information to a servlet during initialization.
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<servlet>
<servlet-name>configdemo</servlet-name>
<servlet-class>view.configdemo</servlet-class>
<init-param>
<param-name>Numbers</param-name>
<param-value>1,2,3,4,5,6,7</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>configdemo</servlet-name>
<url-pattern>/configdemo</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>configdemo</welcome-file>
</welcome-file-list>
</web-app>
Configdemo.java
package view;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class configdemo extends HttpServlet {
protected void processRequest(HttpServletRequest request, HttpServletResponse
response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
ServletConfig c=getServletConfig();
String course=c.getInitParameter("Numbers");
String s[]=course.split(",");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet config demo</title>");
out.println("</head>");
out.println("<body>"); out.println("<select name='n1'>");
for(int i=0;i<s.length;i++)
{
out.println("<option value="+s[i]+" ''>"+s[i]+" </option>");
}
out.println("</body>");
out.println("</html>");
} finally {
out.close();
}
}
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
public String getServletInfo() {
return "Short description";
}
}
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