jsp proj

pom.xml

@@ -12,16 +12,16 @@
 
     <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>19</maven.compiler.target>
+        <maven.compiler.source>19</maven.compiler.source>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>javax.servlet</groupId>
             <artifactId>javax.servlet-api</artifactId>
             <version>4.0.1</version>
-            <scope>provided</scope>
+
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>

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

@@ -0,0 +1,23 @@
+package com.tictactoe;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.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 +1,82 @@
+package com.tictactoe;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+import java.util.List;
+
+import static com.tictactoe.Sign.*;
+
+@WebServlet(name = "LogicServlet", value = "/logic")
+public class LogicServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        HttpSession currentSession = req.getSession();
+        Field field = extractField(currentSession);
+        int index = getSelectedIndex(req);
+        Sign currentSign = field.getField().get(index);
+        if (EMPTY != currentSign) {
+            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/index.jsp");
+            dispatcher.forward(req, resp);
+            return;
+        }
+
+        field.getField().put(index, CROSS);
+        int emptyFieldIndex = field.getEmptyFieldIndex();
+        if (checkWinner(field, currentSession, resp)) {
+            return;
+        }
+        if (emptyFieldIndex != -1) {
+            field.getField().put(emptyFieldIndex, NOUGHT);
+            if (checkWinner(field, currentSession, resp)) {
+                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 int getSelectedIndex(HttpServletRequest request) {
+        String click = request.getParameter("click");
+        boolean isNumeric = click.chars().allMatch(Character::isDigit);
+        return isNumeric ? Integer.parseInt(click) : 0;
+    }
+
+    private Field extractField(HttpSession currentSession) {
+        Object fieldAttribute = currentSession.getAttribute("field");
+        if (Field.class != fieldAttribute.getClass()) {
+            currentSession.invalidate();
+            throw new RuntimeException("Session is broken, try one more time");
+        }
+        return (Field) fieldAttribute;
+    }
+
+    private boolean checkWinner(Field field, HttpSession currentSession, HttpServletResponse resp) throws IOException {
+        var winner = field.checkWin();
+        if (winner != EMPTY) {
+            currentSession.setAttribute("winner", winner);
+            List<Sign> data = field.getFieldData();
+            currentSession.setAttribute("data", data);
+            resp.sendRedirect("/index.jsp");
+            return true;
+
+        }
+        return false;
+    }
+
+}
+

src/main/webapp/index.jsp

@@ -1,17 +1,59 @@
+<%@ page import="com.tictactoe.Sign" %>
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 
 <!DOCTYPE html>
 <html>
 <head>
     <title>Tic-Tac-Toe</title>
+    <link href="static/main.css" rel="stylesheet">
+    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+    <script src="<c:url value="/static/jquery-3.6.0.min.js"/>"></script>
 </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>
+<c:choose>
+    <c:when test="${sessionScope.winner eq Sign.CROSS}">
+        <h1>You win</h1>
+    </c:when>
+    <c:when test="${sessionScope.winner eq Sign.NOUGHT}">
+        <h1>You lose</h1>
+    </c:when>
+    <c:when test="${sessionScope.draw eq true}">
+        <h1>Draw</h1>
+        <button onclick="restart()">Start again</button>
+    </c:when>
+    <c:otherwise><h1>Playing</h1></c:otherwise>
+</c:choose>
 <script>
-
+    function restart() {
+        $.ajax({
+            url: "/restart",
+            type: 'POST',
+            contentType:'application/json; charset=UTF-8',
+            async:false,
+            success:function () {
+                location.reload()
+            }
+        })
+    }
 </script>
-
-</body>
-</html>
+</body>

src/main/webapp/static/main.css

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