WebController.java

package tacsim;

import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.springframework.web.multipart.MultipartFile;
import tacsim.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import org.springframework.boot.*;
import org.springframework.boot.autoconfigure.*;
import org.springframework.stereotype.*;
import org.springframework.web.bind.annotation.*;

import com.google.gson.*;

import java.io.*;
import java.util.*;

@RestController
@EnableAutoConfiguration
public class WebController {
    @CrossOrigin(origins = "*")
    @RequestMapping(value = "/tacsim", method = RequestMethod.POST, produces = "application/json")
    public String TacSim(@RequestParam(value="file", required = false) MultipartFile file) throws IOException{

//        File file = convert(f);
        System.out.println(file);
        String data = "";
        boolean usingFile = false;
        if(file != null){
            usingFile = true;
        }

        if(usingFile){
            System.out.println("USING CUSTOM DATA");
            InputStream stream = file.getInputStream();

            java.util.Scanner s = new java.util.Scanner(stream).useDelimiter("\\A");
            data = s.next();
        }

        HashMap<Integer, List<Integer>> tactics = new HashMap<>();

        if(!usingFile) {
            System.out.println("USING OLD DATA");
            List<Integer> group1 = Arrays.asList(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 9, 6, 6,
                    5, 5, 4, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
                    3, 3, 3, 3, 1, 2, 9, 1, 1, 1, 1, 1, 2, 1, 2, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5,
                    5, 5, 4, 4, 4, 4, 4, 3, 5, 3, 5, 3, 5, 3, 3, 3, 5, 3, 3, 2, 2, 4, 2, 2, 5, 5);
            tactics.put(0, group1);

            List<Double> double_list = Arrays.asList(4.456007, 4.082313, 3.205769, 4.8067, 3.364271, 3.110964, 3.623682,
                    4.618294, 3.851474, 3.121866, 5.26111, 3.027258, 5.289699, 3.322588, 6.60101, 3.413137, 4.616915, 4.896913,
                    4.990854, 2.861065, 5.818246, 4.988922, 3.796863, 6.216643, 4.63566, 3.679681, 5.094256, 2.637219, 3.725739,
                    3.034386, 4.669752, 4.94273, 4.163923, 3.341056, 3.90376, 4.301815, 4.186967, 4.670776, 4.017151, 5.190965,
                    3.622514, 4.363046, 2.999609, 4.036991, 4.280287, 3.011157, 2.543877, 5.622671, 3.869046, 6.398634, 3.077909,
                    3.046906, 3.260973, 3.423307, 1.982473, 3.951773, 4.983422, 3.845991, 3.19098, 4.365358, 4.380781, 5.209749,
                    3.855872, 2.140451, 4.565162, 3.750386, 1.865363, 6.166923, 3.518735, 4.549154, 2.997519, 3.979626, 5.035169,
                    4.865504, 4.143492, 1.922294, 5.25331, 3.935486, 4.244863, 4.253498, 4.534098, 2.844232, 5.231128, 5.692638,
                    2.829378, 3.771635, 4.276224, 3.642153, 2.622141, 3.96, 3.524812, 3.171434, 3.533439, 3.949341, 3.032383, 4.427482,
                    3.023218, 4.055793, 3.003948);

            List<Integer> final_cast = new ArrayList<>();
            for (int x = 0; x < double_list.size(); x++) {
                final_cast.add(double_list.get(x).intValue());
            }
            tactics.put(1, final_cast);
        } else {
            double[] numbers = Arrays.asList(data
                    .split(","))
                    .stream()
                    .map(String::trim)
                    .mapToDouble(Double::parseDouble)
                    .toArray();
            ArrayList<Integer> values = new ArrayList<>();
            for(Double num : numbers){
                values.add(num.intValue());
            }

            tactics.put(0, values);
        }

        Controller instance = new Controller(100, tactics);

        ArrayList<ArrayList<Integer>> results = instance.getResults();
        ArrayList<Integer> baseline = results.get(0);
        ArrayList<Integer> proposed = results.get(1);

        Results r = new Results(results, instance.getDifferences(), usingFile);

        return new Gson().toJson(r, Results.class);
    }

    public static void main(String[] args) throws Exception {
        SpringApplication.run(WebController.class, args);
    }
}