Untitled

package ssi;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.text.ParseException;
import java.util.ArrayList;

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 org.json.JSONObject;


@WebServlet("/imieniny")
public class imieniny extends HttpServlet {
	private static final long serialVersionUID = 1L;


    public imieniny() {
        super();
        // TODO Auto-generated constructor stub
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setContentType("application/json;charset=UTF-8");

		// String query = ""+request.getParameter("query");
		PrintWriter out = response.getWriter();

		bazaImienin baza = new bazaImienin();
		String lista[][] = baza.imieniny;

		String jsonText = "";

		BufferedReader br = new BufferedReader(new InputStreamReader(request.getInputStream()));
		if (br != null ) {
			jsonText = br.readLine();
		}

		JSONObject json;

		try {
			json = new JSONObject(jsonText);
		} catch (ParseException e) {
			json = new JSONObject();
		}

		Integer month = Integer.parseInt(json.getString("month"));
		Integer day = Integer.parseInt(json.getString("day"));
		String razem = json.getString("razem");

		ArrayList<String> imieniny = new ArrayList<String>();

		if (razem.equals("true")) {
			json.put("imiona", lista[month][day]);

			out.println(json.toString());
			out.close();
		} else {
			ArrayList<String> sugestie = new ArrayList<String>();
			String[] ar = lista[month][day].split(";");
			for (int i = 0; i < ar.length; i++) {
				sugestie.add('"'+ar[i]+'"');
			}
			json.put("imiona", sugestie);

			out.println(json.toString());
			out.close();
		}


	}

}


<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Imieniny</title>
<link rel="Stylesheet" href="style.css">
<script src="jquery-3.4.1.js"></script>

<script type="text/javascript">
	let razem = false;

	$(document).ready(function () {

	  $('#razem').change(function () {
	    razem = this.checked;
	  });
	});

	function wyslijAJAX() {
		let parametry = new Object();
		parametry.month = $('#data').val().split('-')[1];
		parametry.day =  $('#data').val().split('-')[2];
		setTimeout(function() {
			parametry.razem = razem;
			console.log(parametry);

			$("#wyniki").html("");

			if (parametry.month && parametry.day) {
				$.ajax({
					url: "imieniny",
					type: 'POST',
					dataType: 'json',
					data: JSON.stringify(parametry),
					contentType: 'application/json',
					mimeType: 'application/json',
					success: function(data) {
						console.log(data);
						$("#wyniki").html("");
						if (Array.isArray(data.imiona)) {
							$.each(data.imiona, function(index, wynik) {
								$("#wyniki").append("<div class='wynik'>" + wynik + "</div>");
							})
						} else {
							$("#wyniki").append("<div class='wynik'>" + data.imiona + "</div>");
						}

					},
					error: function(data, status, err) {
						console.log(data, status, err);
					}
				});
			}
		}, 50);
	}

</script>

</head>
<body>

	<div class="container">
		<div class="title">
		Michał Raźny, L2
		</div>

		<div class="date-text">
			Proszę wskazać datę
		</div>

		<div class="input">
			<label><input type="checkbox" id="razem" onchange="javascript:wyslijAJAX();">Wszystkie imiona razem</label>
			<input type="date" id="data" onkeyup="javascript:wyslijAJAX();" onchange="javascript:wyslijAJAX();"/>
		</div>

		<div id="wyniki">

		</div>

	</div>

</body>
</html>