From 6494d8931b5f9eefecd126c3b7908dc3208ea90b Mon Sep 17 00:00:00 2001 From: DmitriiMaikov Date: Tue, 5 Mar 2024 16:38:20 +0300 Subject: [PATCH 1/2] Final commit --- src/main/java/com/tictactoe/InitServlet.java | 31 +++++++ src/main/java/com/tictactoe/LogicServlet.java | 87 +++++++++++++++++++ .../java/com/tictactoe/RestartServlet.java | 16 ++++ src/main/webapp/index.jsp | 49 ++++++++++- src/main/webapp/static/main.css | 11 +++ 5 files changed, 193 insertions(+), 1 deletion(-) create mode 100644 src/main/java/com/tictactoe/InitServlet.java create mode 100644 src/main/java/com/tictactoe/LogicServlet.java create mode 100644 src/main/java/com/tictactoe/RestartServlet.java diff --git a/src/main/java/com/tictactoe/InitServlet.java b/src/main/java/com/tictactoe/InitServlet.java new file mode 100644 index 00000000..fa63c3f5 --- /dev/null +++ b/src/main/java/com/tictactoe/InitServlet.java @@ -0,0 +1,31 @@ +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 { + //create playing session + HttpSession session = req.getSession(true); + //create field game + Field field = new Field(); + Map fieldData = field.getField(); + //get field's values + List data = field.getFieldData(); + //add field's value in session + session.setAttribute("field", field); + //add field's value as sort in index + session.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..5696f977 --- /dev/null +++ b/src/main/java/com/tictactoe/LogicServlet.java @@ -0,0 +1,87 @@ +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); + } 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); + if (emptyFieldIndex >= 0) { + field.getField().put(emptyFieldIndex, Sign.NOUGHT); + if (checkWin(resp, currentSession, field)) { + return; + } + } + + 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; + } +} \ No newline at end of file diff --git a/src/main/java/com/tictactoe/RestartServlet.java b/src/main/java/com/tictactoe/RestartServlet.java new file mode 100644 index 00000000..019c3ce8 --- /dev/null +++ b/src/main/java/com/tictactoe/RestartServlet.java @@ -0,0 +1,16 @@ +package com.tictactoe; + +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 { + @Override + protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException { + req.getSession().invalidate(); + resp.sendRedirect("/start"); + } +} diff --git a/src/main/webapp/index.jsp b/src/main/webapp/index.jsp index 964cc071..302a8d17 100644 --- a/src/main/webapp/index.jsp +++ b/src/main/webapp/index.jsp @@ -1,16 +1,63 @@ +<%@ 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()}
+
+ + + +

CROSSES WIN!

+ + + +

NOUGHTS WIN!

+ + + +

IT'S A DRAW

+
+ + diff --git a/src/main/webapp/static/main.css b/src/main/webapp/static/main.css index e69de29b..dd31bfd5 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: 20px; + border-collapse: revert; + margin: 10px; + width: 100px; + height: 100px; + font-size: 50px; + text-align: center; + empty-cells: show; +} \ No newline at end of file From b2f82eb2402e1c2f5e5d5cc390c54137471c1154 Mon Sep 17 00:00:00 2001 From: DmitriiMaikov Date: Wed, 6 Mar 2024 14:18:05 +0300 Subject: [PATCH 2/2] Final commit --- src/main/java/com/tictactoe/InitServlet.java | 5 ----- 1 file changed, 5 deletions(-) diff --git a/src/main/java/com/tictactoe/InitServlet.java b/src/main/java/com/tictactoe/InitServlet.java index fa63c3f5..77d794c4 100644 --- a/src/main/java/com/tictactoe/InitServlet.java +++ b/src/main/java/com/tictactoe/InitServlet.java @@ -14,16 +14,11 @@ public class InitServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { - //create playing session HttpSession session = req.getSession(true); - //create field game Field field = new Field(); Map fieldData = field.getField(); - //get field's values List data = field.getFieldData(); - //add field's value in session session.setAttribute("field", field); - //add field's value as sort in index session.setAttribute("data", data); getServletContext().getRequestDispatcher("/index.jsp").forward(req, resp);