Refactoring

- better args input
- possibility to simulate or display the results
- modified CSV logic

src/main/java/net/berack/upo/valpre/Plot.java

@@ -0,0 +1,55 @@
+package net.berack.upo.valpre;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import net.berack.upo.valpre.sim.stats.CsvResult;
+import net.berack.upo.valpre.sim.stats.ResultMultiple;
+
+/**
+ * This class is used to plot the results of the simulation.
+ * The results are saved in a CSV file and then loaded to be plotted.
+ */
+public class Plot {
+    public final ResultMultiple results;
+
+    /**
+     * Create a new plot object.
+     * 
+     * @param args the arguments to create the plot
+     * @throws IOException if anything happens while reading the file
+     */
+    public Plot(String[] args) throws IOException {
+        var arguments = Plot.parseParameters(args);
+        var csv = arguments.get("csv");
+        if (csv == null)
+            throw new IllegalArgumentException("CSV file needed! Use -csv <file>");
+
+        var results = new CsvResult(csv).loadResults();
+        this.results = new ResultMultiple(results);
+    }
+
+    /**
+     * Show the plot of the results.
+     */
+    public void show() {
+        // TODO: Use JavaFX to show the plot
+    }
+
+    /**
+     * Parse the arguments to get the CSV file.
+     * 
+     * @param args the arguments to parse
+     * @return a map with the arguments
+     */
+    private static Map<String, String> parseParameters(String[] args) {
+        var arguments = new HashMap<String, Boolean>();
+        arguments.put("csv", true);
+
+        var descriptions = new HashMap<String, String>();
+        descriptions.put("csv", "The filename that contains the previous saved runs.");
+
+        return Parameters.getArgsOrHelper(args, "-", arguments, descriptions);
+    }
+}