diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 00000000..7bc07ec2
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 00000000..aa00ffab
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 00000000..b2c201e9
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 00000000..35eb1ddf
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/com/tictactoe/InitServlet.java b/src/main/java/com/tictactoe/InitServlet.java
new file mode 100644
index 00000000..4588036e
--- /dev/null
+++ b/src/main/java/com/tictactoe/InitServlet.java
@@ -0,0 +1,27 @@
+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;
+import java.util.Map;
+
+@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();
+ Map fieldData = field.getField();
+ List data = field.getFieldData();
+ currentSession.setAttribute("field", field);
+ currentSession.setAttribute("data", data);
+ getServletContext().getRequestDispatcher("/index.jsp").forward(req, resp);
+
+ }
+}
diff --git a/src/main/java/com/tictactoe/LogicServlet.java b/src/main/java/com/tictactoe/LogicServlet.java
new file mode 100644
index 00000000..9ad19882
--- /dev/null
+++ b/src/main/java/com/tictactoe/LogicServlet.java
@@ -0,0 +1,101 @@
+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;
+
+@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 (Sign.EMPTY != currentSign) {
+ RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/index.jsp");
+ dispatcher.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 (emptyFieldIndex >= 0) {
+ field.getField().put(emptyFieldIndex, Sign.NOUGHT);
+ if (checkWin(resp, currentSession, field)) {
+ return;
+ }
+ } else {
+ currentSession.setAttribute("draw", true);
+
+ List data = field.getFieldData();
+
+ currentSession.setAttribute("data", data);
+
+ resp.sendRedirect("/index.jsp");
+ return;
+ }
+ List 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 checkWin(HttpServletResponse response, HttpSession currentSession, Field field) throws IOException {
+ Sign winner = field.checkWin();
+ if (Sign.CROSS == winner || Sign.NOUGHT == winner) {
+
+ currentSession.setAttribute("winner", winner);
+
+ List data = field.getFieldData();
+
+ currentSession.setAttribute("data", data);
+
+ response.sendRedirect("/index.jsp");
+ return true;
+ }
+ return false;
+ }
+}
diff --git a/src/main/java/com/tictactoe/RestartServlet.java b/src/main/java/com/tictactoe/RestartServlet.java
new file mode 100644
index 00000000..fbc0982e
--- /dev/null
+++ b/src/main/java/com/tictactoe/RestartServlet.java
@@ -0,0 +1,17 @@
+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 java.io.IOException;
+
+@WebServlet(name = "RestartServlet", value = "/restart")
+public class RestartServlet extends HttpServlet {
+
+ protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+ req.getSession().invalidate();
+ resp.sendRedirect("/start");
+ }
+}
\ No newline at end of file
diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp
index 964cc071..72798bfd 100644
--- a/src/main/webapp/index.jsp
+++ b/src/main/webapp/index.jsp
@@ -1,16 +1,64 @@
+<%@ page import="com.tictactoe.Sign" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
Tic-Tac-Toe
+
+ <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+ ">
Tic-Tac-Toe
+
+
+ | ${data.get(0).getSign()} |
+ ${data.get(1).getSign()} |
+ ${data.get(2).getSign()} |
+
+
+ | ${data.get(3).getSign()} |
+ ${data.get(4).getSign()} |
+ ${data.get(5).getSign()} |
+
+
+ | ${data.get(6).getSign()} |
+ ${data.get(7).getSign()} |
+ ${data.get(8).getSign()} |
+
+
+
+
+
-
diff --git a/src/main/webapp/static/main.css b/src/main/webapp/static/main.css
index e69de29b..33049a9b 100644
--- a/src/main/webapp/static/main.css
+++ b/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;
+}
\ No newline at end of file