Mvc exercise

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+
+    <groupId>groupId</groupId>
+    <artifactId>java-adlister</artifactId>
+    <version>1.0-SNAPSHOT</version>
+<dependencies>
+    <dependency>
+        <groupId>javax.servlet</groupId>
+        <artifactId>javax.servlet-api</artifactId>
+        <version>4.0.0</version>
+        <scope>provided</scope>
+    </dependency>
+    <dependency>
+        <groupId>javax.servlet.jsp</groupId>
+        <artifactId>javax.servlet.jsp-api</artifactId>
+        <version>2.3.0</version>
+        <scope>provided</scope>
+    </dependency>
+    <dependency>
+        <groupId>javax.el</groupId>
+        <artifactId>javax.el-api</artifactId>
+        <version>3.0.0</version>
+        <scope>provided</scope>
+    </dependency>
+    <dependency>
+        <groupId>javax.websocket</groupId>
+        <artifactId>javax.websocket-api</artifactId>
+        <version>1.1</version>
+        <scope>provided</scope>
+    </dependency>
+    <dependency>
+        <groupId>javax.security.enterprise</groupId>
+        <artifactId>javax.security.enterprise-api</artifactId>
+        <version>1.0</version>
+        <scope>provided</scope>
+    </dependency>
+    <dependency>
+        <groupId>jstl</groupId>
+        <artifactId>jstl</artifactId>
+        <version>1.2</version>
+    </dependency>
+
+
+
+</dependencies>
+    <properties>
+        <maven.compiler.source>19</maven.compiler.source>
+        <maven.compiler.target>19</maven.compiler.target>
+    </properties>
+    <packaging>war</packaging>
+</project>

src/main/java/Album.java

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+import java.io.Serializable;
+
+public class Album implements Serializable {
+    private long id;
+    private String artist;
+    private String name;
+    private int release_date;
+    private float sales;
+    private String genre;
+    public Album() {
+
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getArtist() {
+        return artist;
+    }
+
+    public void setArtist(String artist) {
+        this.artist = artist;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getRelease_date() {
+        return release_date;
+    }
+
+    public void setRelease_date(int release_date) {
+        this.release_date = release_date;
+    }
+
+    public float getSales() {
+        return sales;
+    }
+
+    public void setSales(float sales) {
+        this.sales = sales;
+    }
+
+    public String getGenre() {
+        return genre;
+    }
+
+    public void setGenre(String genre) {
+        this.genre = genre;
+    }
+}

src/main/java/CorrectServlet.java

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+import java.io.*;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "CorrectServlet", urlPatterns = "/CorrectServlet")
+public class CorrectServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String destination = "/choice.jsp";
+        RequestDispatcher requestDispatcher = request.getRequestDispatcher(destination);
+        String won = "<h1>You Won</h1>";
+        request.setAttribute("won", won);
+        requestDispatcher.forward(request, response);
+        response.sendRedirect("/choice.jsp");
+    }
+
+
+}

src/main/java/GuessServlet.java

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+import java.io.*;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "GuessServlet", urlPatterns = "/GuestServlet")
+public class GuessServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        response.setContentType("text/html");
+        String guess = request.getParameter("guess");
+        if (guess.equals("2")) {
+
+            response.sendRedirect("/CorrectServlet");
+        } else if (guess.equals(1) || guess.equals(3)){
+            response.sendRedirect("/IncorrectServlet");
+        } else {
+            response.sendRedirect("/guess.jsp");
+        }
+        PrintWriter out = response.getWriter();
+    }
+
+
+}

src/main/java/HelloWorldServlet.java

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+import java.io.*;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "HelloWorldServlet", urlPatterns = "/hello")
+public class HelloWorldServlet extends HttpServlet {
+    private int hitCount;
+
+    public void init() {
+        // Reset hit counter.
+        hitCount = 0;
+    }
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        hitCount++;
+        response.setContentType("text/html");
+        String name = request.getParameter("name");
+        PrintWriter out = response.getWriter();
+        String edge = name == (null)||name.isEmpty()?"World":name;
+        String query = request.getParameter("some");
+        if (query != null) {
+            hitCount = 0;
+        }
+        out.printf("<h1>Hello, %s</h1>", edge);
+        out.println("Here is the count " + hitCount);
+        out.println("<h2>HEy there</h2>");
+        out.println("<form method=POST action=/hello> <label for=email>Email:</label> <input id=email name=email placeholder=Enter your name /> </form>");
+        }
+     @Override
+    protected void doPost (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+         String emailID = request.getParameter("email");
+        PrintWriter in = response.getWriter();
+        in.println("<h1> Hello "  + emailID + "</h1>");
+
+     }
+
+
+}

src/main/java/IncorrectServlet.java

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+import java.io.*;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "IncorrectServlet", urlPatterns = "/IncorrectServlet")
+public class IncorrectServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String destination = "/choice.jsp";
+        RequestDispatcher requestDispatcher = request.getRequestDispatcher(destination);
+        String won = "<h1>You Lost</h1>";
+        request.setAttribute("won", won);
+        requestDispatcher.forward(request, response);
+        response.sendRedirect("/choice.jsp");
+    }
+
+
+}

src/main/java/PizzaOrder.java

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+import java.io.*;
+import java.util.ArrayList;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "/PizzaOrder", urlPatterns = "/PizzaOrder")
+public class PizzaOrder extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+
+    }
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+        response.setContentType("text/html");
+        String sauce = request.getParameter("sauce");
+        String crust = request.getParameter("crust");
+        String size = request.getParameter("size");
+        String[] toppings = request.getParameterValues("check");
+        String address = request.getParameter("address");
+        PrintWriter out = response.getWriter();
+        out.println("<h2> You have chose this crust: "+crust+"</h2>");
+        out.println("<h2> You have chose this sauce: "+sauce+"</h2>");
+        out.println("<h2> You have chose this size: "+size+ "</h2>");
+
+        for (int i = 0; i < toppings.length; i++) {
+            if (i == 0) {
+                out.println("<h2>These are your toppings: <br> " + toppings[i] + "</h2>");
+            } else {
+                out.println("<h2>"+ toppings[i] + "</h2>");
+            }
+
+        }
+        out.println("<h2>We are delivering to this address: " + address + "</h2>");
+//        if (name.equals("pizza")) {
+//            response.sendRedirect("profile.jsp");
+//        }
+
+    }
+
+
+        }
+
+
+

src/main/java/ViewColor.java

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+import java.io.*;
+import javax.servlet.*;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.*;
+@WebServlet(name = "/ViewColor", urlPatterns = "/viewcolor.jsp")
+public class ViewColor extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String color = request.getParameter("color");
+        try (PrintWriter out = response.getWriter()) {
+            out.println("<!DOCTYPE html>");
+            out.println("<html>");
+            out.println("<head>");
+            out.println("<meta charset=\"utf-8\">");
+            out.println("<title>ViewColor</title>");
+            out.println("<style>");
+            out.println("html {");
+            out.println("background-color: " +  color + ";");
+            out.println("}");
+            out.println("</style>");
+            out.println("</head>");
+            out.println("</body>");
+            out.println("</html>");
+        }
+    }
+}

src/main/webApp/ads/index.jsp

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+<%--
+  Created by IntelliJ IDEA.
+  User: admin
+  Date: 1/4/23
+  Time: 8:20 PM
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+  <head>
+    <title>Ads</title>
+  </head>
+  <body>
+
+    <div class="container">
+
+        <c:forEach var="ad" items="${ads}">
+
+            <div>
+
+                <p>Title: ${ad.title}</p>
+                <p>Description: ${ad.description}</p>
+
+            </div>
+
+        </c:forEach>
+
+    </div>
+  </body>
+</html>

src/main/webApp/choice.jsp

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+<%--
+  Created by IntelliJ IDEA.
+  User: admin
+  Date: 12/15/22
+  Time: 11:39 AM
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+  <head>
+    <title>Title</title>
+  </head>
+  <body>
+  <p>  ${won} </p>
+
+  </body>
+</html>

src/main/webApp/guess.jsp

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+<%--
+  Created by IntelliJ IDEA.
+  User: admin
+  Date: 12/15/22
+  Time: 11:39 AM
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+  <head>
+    <title>Title</title>
+  </head>
+  <body>
+  <form action="${pageContext.request.contextPath}/GuestServlet" action="post">
+  <label>Choose a Number Between 1 and 3 </label>
+  <input type="text" name="guess">
+
+  </form>
+  </body>
+</html>

src/main/webApp/index.jsp

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+<%--
+  Created by IntelliJ IDEA.
+  User: admin
+  Date: 12/14/22
+  Time: 3:53 PM
+  To change this template use File | Settings | File Templates.
+--%>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+  <head>
+
+    <title>HelloWorld</title>
+  </head>
+  <body>
+  <h2>Hi htere</h2>
+  </body>
+</html>