claztec's programming

....

  <servlet>
    <description></description>
    <servlet-name>BeerParamTest</servlet-name>
    <servlet-class>net.claztec.lab.TestInitParams</servlet-class>
    <init-param>
        <param-name>adminEmail</param-name>
        <param-value>likewecare@wickedlysmart.com</param-value>
    </init-param>
    <init-param>
        <param-name>mainEmail</param-name>
        <param-value>blooper@wickedlysmart.com</param-value>
    </init-param>
  </servlet>
  <servlet-mapping>
    <servlet-name>BeerParamTest</servlet-name>
    <url-pattern>/Tester.do</url-pattern>
  </servlet-mapping>

  <context-param>
    <param-name>adminEmail2</param-name>
    <param-value>clienttheaderror@wickedlysmart.com</param-value>
  </context-param>

</web-app>

package net.claztec.lab;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class TestInitParams
 */
public class TestInitParams extends HttpServlet {
    private static final long serialVersionUID = 1L;
      
    /**
     * @see HttpServlet#HttpServlet()
     */
    public TestInitParams() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        out.println("test init parameters<br>");
       
        Enumeration e = getServletConfig().getInitParameterNames();
        while(e.hasMoreElements()) {
            out.println("<br>param name = " + e.nextElement() + "<br>");
        }
        // ServletConfig 사용
        out.println("main email is " + getServletConfig().getInitParameter("mainEmail"));
        out.println("<br>");
        out.println("admin email is " + getServletConfig().getInitParameter("adminEmail"));
        out.println("<br>");
       
        // ServletContext 사용
        out.println("admin2 email is " + getServletContext().getInitParameter("adminEmail2"));
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
    }

}