Beer MVC servlet project

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package com.cv.servlet.beer;

/**
 @author Chandra Vardhan
 *
 */
public class BeerExpert {

  private String type = null;

  public BeerExpert(String type) {
    this.type = type;
  }

  public String getTypeSelected() {
    return type;
  }

}


 

    
package com.cv.servlet.beer;

import java.io.IOException;
import java.io.PrintWriter;

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

import org.apache.log4j.Logger;
/**
 @author Chandra Vardhan
 *
 */
public class BeerServlet extends HttpServlet {
  private static final Logger LOGGER = Logger.getLogger(BeerServlet.class);
  /**
   * Constructor of the object.
   */
  public BeerServlet() {
    super();
  }

  /**
   * Destruction of the servlet. <br>
   */
  public void destroy() {
    super.destroy()// Just puts "destroy" string in log
    // Put your code here
  }

  /**
   * The doGet method of the servlet. <br>
   *
   * This method is called when a form has its tag value method equals to get.
   
   @param request the request send by the client to the server
   @param response the response send by the server to the client
   @throws ServletException if an error occurred
   @throws IOException if an error occurred
   */
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    LOGGER.info("Entered into doGet(--) of BeerServlet class... ");
    doPost(request, response);
  }

  /**
   * The doPost method of the servlet. <br>
   *
   * This method is called when a form has its tag value method equals to post.
   
   @param request the request send by the client to the server
   @param response the response send by the server to the client
   @throws ServletException if an error occurred
   @throws IOException if an error occurred
   */
  public void doPost(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    LOGGER.info("Entered into doPost(--) of BeerServlet class... ");
    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    out
        .println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
    out.println("<HTML>");
    out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
    out.println("  <BODY>");
    out.print("    This is ");
    out.print(this.getClass());
    BeerExpert beerExpert = new BeerExpert(getServletConfig().getInitParameter("beerType"));
    String string = beerExpert.getTypeSelected();
    request.setAttribute("beerType", string);
    
    LOGGER.info("RequestDispatcher to result.jsp... ");
    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/result.jsp");
    dispatcher.forward(request, response);
    out.println(", using the POST method");
    out.println("  </BODY>");
    out.println("</HTML>");
    out.flush();
    out.close();
  }

}



<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<form action="BeerServlet" method="post">
<table>
<tr>
<td><input type="submit" name="submit"></td>
</tr>
</table>
</form>
</body>
</html>



<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<%
out.print("My init param attribute is : " + (String) request.getAttribute("beerType"));
%>
<body>
</body>
</html>



#By default enabling Console appender
# Root logger option
log4j.rootLogger=INFO, stdout

# Redirect log messages to console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-5p [%c]:%L -->> %m%n

# Redirect log messages to a log file
#log4j.appender.file=org.apache.log4j.RollingFileAppender
#log4j.appender.file.File=C:\\servlet-application.log
#log4j.appender.file.MaxFileSize=5MB
#log4j.appender.file.MaxBackupIndex=10
#log4j.appender.file.layout=org.apache.log4j.PatternLayout
#log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n




<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <artifactId>BeerMVCProject</artifactId> <version>1.0</version> <packaging>war</packaging> <properties> <log4j.version>1.2.16</log4j.version> <java.version>1.8</java.version> </properties> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.3</version> <configuration> <source>${java.version}</source> <target>${java.version}</target> </configuration> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <warSourceDirectory>WebContent</warSourceDirectory> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration> </plugin> </plugins> </build> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>3.0-alpha-1</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.1</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.0</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> </dependencies> <groupId>com.cv.servlet.beer</groupId> </project>




 
<?xml version="1.0" encoding="UTF-8"?> 
<web-app 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" version="3.1"> <servlet> <servlet-name>BeerServlet</servlet-name> <servlet-class>com.cv.servlet.beer.BeerServlet</servlet-class> <init-param> <param-name>beerType</param-name> <param-value>carlsberg</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>BeerServlet</servlet-name> <url-pattern>/BeerServlet</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>








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