A-JavaFX

Author: prerthan99

src/main/java/prerthan/duke/Duke.java

@@ -1,61 +1,92 @@
 package prerthan.duke;
 
-import prerthan.duke.IO.Input;
-import prerthan.duke.IO.Output;
-import prerthan.duke.IO.Storage;
+import javafx.application.Platform;
+import prerthan.duke.exception.DukeEmptyDetailException;
 import prerthan.duke.task.TaskList;
+import prerthan.duke.command.Command;
+import prerthan.duke.exception.DukeInvalidArgumentException;
+import prerthan.duke.exception.DukeInvalidCommandException;
+import prerthan.duke.exception.DukeInvalidDateException;
+import prerthan.duke.io.Input;
+import prerthan.duke.io.Output;
+import prerthan.duke.io.Storage;
+
+import java.util.Optional;
 
 /**
- * 
+ *
  */
-public class Duke {
-    public static TaskList tasks;
-    public static Input input;
-    public static Output output;
-    public static Storage fileRW;
-
-    public boolean run() {
-        return false;
-    }
-
-    /**
-     * Runs the main program loop.
-     * 
-     * @return {@code false} when the user says 'bye'; otherwise, never returns.
-     */
-    public static boolean programLoop() {
-        boolean exitLoop = false;
-        String command;
-
-        input.nextLine();
-        return false;
-    }
-
-    /**
-     * Cleans up objects and quits the program by calling {@link System#exit(int)}.
-     */
-    public static void exit() {
-        output.sayGoodBye();
-
-        input.close();
-        output.close();
-
-        System.exit(0);
-    }
-
-    public static void main(String[] args) {
-        // Initialises file and UI I/O
-        fileRW = new Storage("data", "duke.txt");
-        input = new Input();
-        output = new Output();
-
-        // Greets the user.
-        output.sayHello();
-
-        // Creates the task list
-        tasks = new TaskList();
+public class Duke
+{
+	public static TaskList tasks;
+	public static Input input;
+	public static Output output;
+	public static Storage fileRW;
+	
+	/**
+	 * Runs the main program loop.
+	 *
+	 * @return {@code false} when the user says 'bye'; otherwise, never returns.
+	 */
+	public static boolean programLoop()
+	{
+		boolean isExit = false;
+		while (!isExit)
+		{
+			try
+			{
+				Optional<Command> possibleCommand = input.nextLine().getCommand();
+				if (!possibleCommand.isPresent())
+				{
+					output.say("Input cannot be empty; please enter a command.");
+					continue;
+				}
+				possibleCommand.get().execute(tasks, fileRW, output);
+				isExit = possibleCommand.get().willTerminate();
+			}
+			catch (DukeInvalidArgumentException | DukeInvalidCommandException | DukeEmptyDetailException
+					| DukeInvalidDateException e)
+			{
+				output.sayError(e);
+			}
+		}
+		return isExit;
+	}
+	
+	/**
+	 * Cleans up objects and quits the program by calling {@link System#exit(int)}.
+	 */
+	public static void exit()
+	{
+		output.sayGoodBye();
+		
+		input.close();
+		output.close();
+		Platform.exit();
+		System.exit(0);
+	}
+	
+	public static void main(String[] args)
+	{
+		// Initialises file and UI I/O
+		fileRW = new Storage("data", "duke.txt");
+		input = new Input();
+		output = new Output();
+		
+		// Greets the user.
+		output.sayHello();
+		
+		// Creates the task list
+		tasks = fileRW.loadFromFile();
+		
+		if (programLoop())
+		{
+			exit();
+		}
+	}
 
-        if (programLoop())
-            exit();
-    }
+	public String getResponse(String input)
+	{
+		return "";
+	}
 }

src/main/java/prerthan/duke/DukeLauncher.java

@@ -0,0 +1,14 @@
+package prerthan.duke;
+
+import javafx.application.Application;
+
+/**
+ * A launcher class to workaround classpath issues.
+ */
+public class DukeLauncher
+{
+    public static void main(String[] args)
+    {
+        Application.launch(Main.class, args);
+    }
+}