Bird Feeder

//normal
//I found this web server bird feeder script, pretty deep, 10_20_2023 got to study it. neat.


import java.util.LinkedList;
import java.util.Queue;
import java.util.Scanner;
import java.util.concurrent.ThreadLocalRandom;

public class BirdFeedingSimulator {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Enter the number of grains: ");
        int grainsOfWheat = scanner.nextInt();

        System.out.print("Enter the number of small stones: ");
        int smallStones = scanner.nextInt();

        System.out.print("Enter the number of birds: ");
        int totalBirds = scanner.nextInt();

        int maxBirdsAtPlate = 6;

        // Create a queue to represent birds waiting to eat
        Queue<Integer> birdsQueue = new LinkedList<>();
        for (int i = 1; i <= totalBirds; i++) {
            birdsQueue.offer(i);
        }

        int[] birdResults = new int[totalBirds]; // 0 for not full, 1 for half full, 2 for full

        while (!birdsQueue.isEmpty()) {
            int birdsAtPlate = Math.min(maxBirdsAtPlate, birdsQueue.size());

            for (int i = 0; i < birdsAtPlate; i++) {
                int birdId = birdsQueue.poll();
                int attempts = 2;
                int grainsEaten = 0;
                int stonesEaten = 0;

                while (attempts > 0) {
                    int randomChoice = ThreadLocalRandom.current().nextInt(2);
                    if (randomChoice == 0 && grainsOfWheat > 0) {
                        grainsEaten++;
                        grainsOfWheat--;
                    } else if (randomChoice == 1 && smallStones > 0) {
                        stonesEaten++;
                        smallStones--;
                    }
                    attempts--;
                }

                if (grainsEaten == 2) {
                    birdResults[birdId - 1] = 2; // Full
                } else if (grainsEaten == 1 && stonesEaten == 1) {
                    birdResults[birdId - 1] = 1; // Half Full
                } else if (stonesEaten == 2) {
                    birdResults[birdId - 1] = 0; // Not Full
                }
            }
        }

        int fullCount = 0;
        int halfFullCount = 0;
        int notFullCount = 0;

        for (int result : birdResults) {
            if (result == 2) {
                fullCount++;
            } else if (result == 1) {
                halfFullCount++;
            } else {
                notFullCount++;
            }
        }

        System.out.println("Full Birds: " + fullCount);
        System.out.println("Half Full Birds: " + halfFullCount);
        System.out.println("Not Full Birds: " + notFullCount);

        scanner.close(); // Close the scanner
    }
}



//web server

import com.sun.net.httpserver.HttpServer;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpExchange;
import java.io.IOException;
import java.io.OutputStream;

public class BirdFeedingWebService {
    public static void main(String[] args) throws IOException {
        HttpServer server = HttpServer.create();
        server.bind(new InetSocketAddress(8080), 0);
        server.createContext("/simulate", new SimulationHandler());
        server.start();
        System.out.println("Server started on port 8080...");
    }

    static class SimulationHandler implements HttpHandler {
        @Override
        public void handle(HttpExchange exchange) throws IOException {
            // Parse query parameters from the request
            String query = exchange.getRequestURI().getQuery();
            String[] params = query.split("&");
            int grainsOfWheat = Integer.parseInt(params[0].split("=")[1]);
            int smallStones = Integer.parseInt(params[1].split("=")[1]);
            int totalBirds = Integer.parseInt(params[2].split("=")[1]);

            // Simulate bird feeding (you can use the previous code here)

            // Prepare the response
            String response = "Full Birds: " + fullCount + "\n" +
                              "Half Full Birds: " + halfFullCount + "\n" +
                              "Not Full Birds: " + notFullCount;

            exchange.sendResponseHeaders(200, response.getBytes().length);
            OutputStream os = exchange.getResponseBody();
            os.write(response.getBytes());
            os.close();
        }
    }
}


//  web client

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class BirdFeedingWebServiceClient {
    public static void main(String[] args) throws IOException {
        int grainsOfWheat = 50;
        int smallStones = 50;
        int totalBirds = 50;

        String urlString = "http://localhost:8080/simulate?grains=" + grainsOfWheat +
                           "&stones=" + smallStones + "&birds=" + totalBirds;

        URL url = new URL(urlString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");

        int responseCode = connection.getResponseCode();
        if (responseCode == 200) {
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
                response.append("\n");
            }

            in.close();
            System.out.println(response.toString());
        } else {
            System.out.println("HTTP GET request failed with response code " + responseCode);
        }
    }
}


//webservice logic

import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebService;

@WebService
public class BirdFeedingService {
    @WebMethod
    public FeedingResponse simulateFeeding(
        @WebParam(name = "grains") int grains,
        @WebParam(name = "stones") int stones,
        @WebParam(name = "birds") int totalBirds
    ) {
        int maxBirdsAtPlate = 6;
        Queue<Integer> birdsQueue = new LinkedList<>();
        for (int i = 1; i <= totalBirds; i++) {
            birdsQueue.offer(i);
        }

        int[] birdResults = new int[totalBirds]; // 0 for not full, 1 for half full, 2 for full

        while (!birdsQueue.isEmpty()) {
            int birdsAtPlate = Math.min(maxBirdsAtPlate, birdsQueue.size());

            for (int i = 0; i < birdsAtPlate; i++) {
                int birdId = birdsQueue.poll();
                int attempts = 2;
                int grainsEaten = 0;
                int stonesEaten = 0;

                while (attempts > 0) {
                    int randomChoice = ThreadLocalRandom.current().nextInt(2);
                    if (randomChoice == 0 && grains > 0) {
                        grainsEaten++;
                        grains--;
                    } else if (randomChoice == 1 && stones > 0) {
                        stonesEaten++;
                        stones--;
                    }
                    attempts--;
                }

                if (grainsEaten == 2) {
                    birdResults[birdId - 1] = 2; // Full
                } else if (grainsEaten == 1 && stonesEaten == 1) {
                    birdResults[birdId - 1] = 1; // Half Full
                } else if (stonesEaten == 2) {
                    birdResults[birdId - 1] = 0; // Not Full
                }
            }
        }

        int fullCount = 0;
        int halfFullCount = 0;
        int notFullCount = 0;

        for (int result : birdResults) {
            if (result == 2) {
                fullCount++;
            } else if (result == 1) {
                halfFullCount++;
            } else {
                notFullCount++;
            }
        }

        FeedingResponse response = new FeedingResponse();
        response.setFullBirds(fullCount);
        response.setHalfFullBirds(halfFullCount);
        response.setNotFullBirds(notFullCount);

        return response;
    }
}