Servelts Project module 3 Zhukov

pom.xml

@@ -6,27 +6,53 @@
 
     <groupId>com.javarush</groupId>
     <artifactId>tic-tac-toe</artifactId>
-    <version>1.0</version>
+    <version>1.0-SNAPSHOT</version>
     <name>tic-tac-toe</name>
     <packaging>war</packaging>
 
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-dependencies</artifactId>
+                <version>3.2.2</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.target>18</maven.compiler.target>
-        <maven.compiler.source>18</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <junit.version>5.9.2</junit.version>
     </properties>
 
     <dependencies>
         <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
-            <version>4.0.1</version>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
             <scope>provided</scope>
         </dependency>
         <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>jstl</artifactId>
-            <version>1.2</version>
+            <groupId>jakarta.servlet.jsp.jstl</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.web</groupId>
+            <artifactId>jakarta.servlet.jsp.jstl</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 

src/main/java/com/tictactoe/InitServlet.java

@@ -0,0 +1,27 @@
+package com.tictactoe;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+
+import java.io.IOException;
+import java.util.List;
+
+@WebServlet(name = "InitServlet", value = "/start")
+public class InitServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        HttpSession currentSession = req.getSession(true);
+        Field field = new Field();
+
+        List<Sign> data = field.getFieldData();
+
+        currentSession.setAttribute("field", field);
+        currentSession.setAttribute("data", data);
+
+        getServletContext().getRequestDispatcher("/index.jsp").forward(req, resp);
+    }
+}

src/main/java/com/tictactoe/LogicServlet.java

@@ -0,0 +1,81 @@
+package com.tictactoe;
+
+import jakarta.servlet.RequestDispatcher;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+
+import java.io.IOException;
+import java.util.List;
+
+@WebServlet(name = "LogicServlet", value = "/logic")
+public class LogicServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
+        HttpSession currentSession = req.getSession();
+        int index =  getSelectedIndex(req);
+        Field field = extractSession(currentSession);
+
+        Sign sign = field.getFieldData().get(index);
+        if (sign != Sign.EMPTY){
+            RequestDispatcher requestDispatcher = getServletContext().getRequestDispatcher("/index.jsp");
+            requestDispatcher.forward(req,resp);
+            return;
+        }
+        field.getField().put(index, Sign.CROSS);
+        if (checkWin(resp, currentSession, field)){
+            return;
+        }
+
+        int emptyFieldIndex = field.getEmptyFieldIndex();
+        if (emptyFieldIndex >= 0){
+            field.getField().put(emptyFieldIndex,Sign.NOUGHT);
+            if (checkWin(resp, currentSession, field)){
+                return;
+            }
+        }else{
+            currentSession.setAttribute("draw", true);
+            List<Sign> data = field.getFieldData();
+            currentSession.setAttribute("data", data);
+            resp.sendRedirect("/index.jsp");
+            return;
+        }
+
+        List<Sign> data = field.getFieldData();
+
+        currentSession.setAttribute("data", data);
+        currentSession.setAttribute("field", field);
+
+        resp.sendRedirect("index.jsp");
+    }
+
+    private Field extractSession(HttpSession currentSession) {
+        Object field = currentSession.getAttribute("field");
+        if (field.getClass() != Field.class){
+            currentSession.invalidate();
+            throw new RuntimeException("Session is broken, try one more time");
+        }
+        return (Field) field;
+    }
+
+    private int getSelectedIndex(HttpServletRequest req) {
+        String click = req.getParameter("click");
+        boolean isNumeric = click.chars().allMatch(Character::isDigit);
+        return isNumeric ? Integer.parseInt(click) : 0;
+    }
+
+    private boolean checkWin(HttpServletResponse response, HttpSession currentSession, Field field) throws IOException {
+        Sign winner = field.checkWin();
+        if (winner == Sign.CROSS || winner == Sign.NOUGHT){
+            currentSession.setAttribute("winner", winner);
+            List<Sign> data = field.getFieldData();
+            currentSession.setAttribute("data", data);
+            response.sendRedirect("/index.jsp");
+            return true;
+        }
+        return false;
+    }
+}

src/main/java/com/tictactoe/RestartServlet.java

@@ -0,0 +1,17 @@
+package com.tictactoe;
+
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+
+@WebServlet(name = "RestartServlet", value = "/restart")
+public class RestartServlet extends HttpServlet {
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+        req.getSession().invalidate();
+        resp.sendRedirect("/start");
+    }
+}

src/main/webapp/index.jsp

@@ -1,15 +1,66 @@
+<%@ page import="com.tictactoe.Sign" %>
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
-
+<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
 <!DOCTYPE html>
 <html>
 <head>
+    <script src="<c:url value="/static/jquery-3.6.0.min.js"/>"></script>
+    <link href="static/main.css" rel="stylesheet">
     <title>Tic-Tac-Toe</title>
 </head>
 <body>
 <h1>Tic-Tac-Toe</h1>
 
+<table>
+    <tr>
+        <td onclick="window.location='/logic?click=0'">${data.get(0).getSign()}</td>
+        <td onclick="window.location='/logic?click=1'">${data.get(1).getSign()}</td>
+        <td onclick="window.location='/logic?click=2'">${data.get(2).getSign()}</td>
+    </tr>
+    <tr>
+        <td onclick="window.location='/logic?click=3'">${data.get(3).getSign()}</td>
+        <td onclick="window.location='/logic?click=4'">${data.get(4).getSign()}</td>
+        <td onclick="window.location='/logic?click=5'">${data.get(5).getSign()}</td>
+    </tr>
+    <tr>
+        <td onclick="window.location='/logic?click=6'">${data.get(6).getSign()}</td>
+        <td onclick="window.location='/logic?click=7'">${data.get(7).getSign()}</td>
+        <td onclick="window.location='/logic?click=8'">${data.get(8).getSign()}</td>
+    </tr>
+</table>
+<hr>
+
+<c:set var="CROSSES" value = "<%=Sign.CROSS%>"/>
+<c:set var="NOUGHTS" value = "<%=Sign.NOUGHT%>"/>
+
+<c:if test="${winner == CROSSES}">
+    <h1>CROSSES CHEMPION</h1>
+    <button onclick="restart()">Start again</button>
+</c:if>
+
+<c:if test="${winner == NOUGHTS}">
+    <h1>NOGHTS CHEMPION</h1>
+    <button onclick="restart()">Start again</button>
+</c:if>
+
+<c:if test="${draw}">
+    <h1>It's draw</h1>
+    <button onclick="restart()">Start again</button>
+</c:if>
+
 
 <script>
+    function restart(){
+        $.ajax({
+            url: '/restart',
+            type: 'POST' ,
+            contentType: 'application/json;charset=UTF-8',
+            async: false,
+            success: function () {
+                location.reload();
+            }
+        })
+    }
 
 </script>
 

src/main/webapp/static/main.css

@@ -0,0 +1,11 @@
+td {
+    border: 3px solid #0b27dc;
+    padding: 10px;
+    border-collapse: separate;
+    margin: 10px;
+    width: 100px;
+    height: 100px;
+    font-size: 50px;
+    text-align: center;
+    empty-cells: show;
+}