index.html
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<!DOCTYPE html> <html> <head> <title>Servlet Config get multiple parameters</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <h1>Servlet Config get multiple parameters</h1> <a href="get-all-servlet-config">Get All Servlet Config</a> </body> </html> |
web.xml
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<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"> <servlet> <servlet-name>ServletConfigMulParam</servlet-name> <servlet-class>ebhor.servlet.ServletConfigMulParam</servlet-class> <init-param> <param-name>PaymentMode</param-name> <param-value>Online</param-value> </init-param> <init-param> <param-name>Terms</param-name> <param-value>Handle with care. 30 days money back gaurantee</param-value> </init-param> <init-param> <param-name>Discount</param-name> <param-value>20 percent</param-value> </init-param> <init-param> <param-name>Coupan</param-name> <param-value>GET20PERCENT</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>ServletConfigMulParam</servlet-name> <url-pattern>/get-all-servlet-config</url-pattern> </servlet-mapping> <session-config> <session-timeout> 30 </session-timeout> </session-config> </web-app> |
ServletConfigMulParam
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package ebhor.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.Enumeration; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class ServletConfigMulParam extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); Enumeration<String> params = getServletConfig().getInitParameterNames(); while (params.hasMoreElements()) { String param = params.nextElement(); String value = getServletConfig().getInitParameter(param); out.println("<h2>"+param + ": " + value+"<h2"); } } } |
Result
