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Most of the code is placed in the main method Abstract most of the code in the main method out to OOP classes.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| import java.util.List; | ||
| import java.util.ArrayList; | ||
| import java.io.FileWriter; | ||
| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.Scanner; | ||
|
|
||
| public class Parser { | ||
| private String userInput; | ||
| private Scanner inputScanner = new Scanner(System.in); | ||
| private static String introduction = "Hello. I am Jarvis \n" | ||
| + "What can I do for you today?"; | ||
| private static String farewell = "Goodbye, have a good day."; | ||
| private TaskList tasks; | ||
| public Parser(TaskList tasks) { | ||
| this.tasks = tasks; | ||
| } | ||
|
|
||
| public void readCommand() throws JarvisException { | ||
| while (true) { | ||
| //receive user input | ||
| userInput = inputScanner.nextLine(); | ||
| //check if userinput is bye, break if true | ||
| if (userInput.equals("bye")) { | ||
| break; | ||
| } | ||
| //if userinput equals list, return task list | ||
| if (userInput.equals("list")) { | ||
| System.out.println("Here are the tasks in your list:\n"); | ||
| for (int i = 0; i < tasks.getList().size(); i++) { | ||
| if (tasks.getList().get(i) == null) { | ||
| break; | ||
| } | ||
| System.out.println((i + 1) + ". " + tasks.getList().get(i).toString()); | ||
| } | ||
| continue; | ||
| } | ||
| //if userinput equals mark, check which task and mark it | ||
| if (userInput.length() > 4 && userInput.substring(0, 4).equals("mark")) { | ||
| int toMark = Integer.parseInt(userInput.substring(5)) - 1; | ||
| tasks.getList().get(toMark).mark(); | ||
| String markResponse = "Great. I have marked this task as done:\n "; | ||
| System.out.println(markResponse + tasks.getList().get(toMark).toString()); | ||
| continue; | ||
| } | ||
| //if userinput equals unmark, check which task and unmark | ||
| if (userInput.length() > 6 && userInput.substring(0, 6).equals("unmark")) { | ||
| int toMark = Integer.parseInt(userInput.substring(7)) - 1; | ||
| tasks.getList().get(toMark).unmark(); | ||
| String markResponse = "Ok, I have marked this task as not done yet:\n "; | ||
| System.out.println(markResponse + tasks.getList().get(toMark).toString()); | ||
| continue; | ||
| } | ||
| //if userinput equals delete, check which task and delete | ||
| if (userInput.length() > 6 && userInput.substring(0, 6).equals("delete")) { | ||
| int toDelete = Integer.parseInt(userInput.substring(7)) - 1; | ||
| Task deleteTask = tasks.getList().get(toDelete); | ||
| tasks.getList().remove(toDelete); | ||
| String deleteResponse = "Noted. I have removed this task:\n "; | ||
| System.out.println(deleteResponse + deleteTask.toString()); | ||
| continue; | ||
| } | ||
|
|
||
| //if userinput equals to do add new to do task to list | ||
| if (userInput.length() > 3 && userInput.substring(0, 4).equals("todo")) { | ||
| String description = userInput.substring(4); | ||
| if (description.equals("")) { | ||
| throw new JarvisException("The description of a todo cannot be empty"); | ||
| } | ||
| tasks.getList().add(new ToDo(description)); | ||
| System.out.println("Got it. I've added this task:\n " + tasks.getList().get(Task.count - 1) | ||
| + "\nNow you have " + (Task.count) + " tasks in the list."); | ||
| continue; | ||
| } | ||
|
|
||
| //if userinput equals deadline add new deadline task to list | ||
| if (userInput.length() > 8 && userInput.substring(0, 8).equals("deadline")) { | ||
| int divisor = userInput.indexOf("/by"); | ||
| String description = userInput.substring(9, divisor - 1); | ||
| String date = userInput.substring(divisor + 4); | ||
| tasks.getList().add(new Deadline(description, date)); | ||
| System.out.println("Got it. I've added this task:\n " + tasks.getList().get(Task.count - 1) | ||
| + "\nNow you have " + (Task.count) + " tasks in the list."); | ||
| continue; | ||
| } | ||
| //if userinput equals event add new event task to list | ||
| if (userInput.length() > 7 && userInput.substring(0, 5).equals("event")) { | ||
| int divisor = userInput.indexOf("/at"); | ||
| String description = userInput.substring(6, divisor - 1); | ||
| String date = userInput.substring(divisor + 4); | ||
| tasks.getList().add(new Event(description, date)); | ||
| System.out.println("Got it. I've added this task:\n " + tasks.getList().get(Task.count - 1) | ||
| + "\nNow you have " + (Task.count) + " tasks in the list."); | ||
| continue; | ||
| } | ||
| throw new JarvisException("I'm sorry, but I don't know what that means"); | ||
| } | ||
| } | ||
|
|
||
| public void introduction() { | ||
| System.out.println(introduction); | ||
| } | ||
|
|
||
| public void farewell() { | ||
| System.out.print(farewell); | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import java.io.FileWriter; | ||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.io.File; | ||
| import java.util.Scanner; | ||
| public class Storage { | ||
| private String filePath; | ||
| public Storage(String filePath) { | ||
| this.filePath = filePath; | ||
| } | ||
| public List<Task> load() throws IOException { | ||
| File myFile = new File(filePath); | ||
| List<Task> taskList = new ArrayList<>(); | ||
| if (!myFile.createNewFile()) { | ||
| Scanner sc = new Scanner(myFile); | ||
| while (sc.hasNextLine()) { | ||
| String next = sc.nextLine(); | ||
| int divisor = next.lastIndexOf("|"); | ||
|
|
||
| if (next.charAt(0) == 'D') { | ||
| String description = next.substring(8, divisor - 1); | ||
| String date = next.substring((divisor + 2)); | ||
| taskList.add(new Deadline(description, date)); | ||
|
|
||
| if (next.charAt(4) == '1') { | ||
| taskList.get(taskList.size() - 1).mark(); | ||
| } | ||
|
|
||
| } | ||
| if (next.charAt(0) == 'E') { | ||
| String description = next.substring(8, divisor - 1); | ||
| String date = next.substring((divisor + 2)); | ||
| taskList.add(new Event(description, date)); | ||
|
|
||
| if (next.charAt(4) == '1') { | ||
| taskList.get(taskList.size() - 1).mark(); | ||
| } | ||
| } | ||
| if (next.charAt(0) == 'T') { | ||
| String description = next.substring(8); | ||
| taskList.add(new ToDo(description)); | ||
|
|
||
| if (next.charAt(4) == '1') { | ||
| taskList.get(taskList.size() - 1).mark(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return taskList; | ||
| } | ||
|
|
||
| public void write(TaskList tasks) throws IOException { | ||
| File myFile = new File(filePath); | ||
| myFile.createNewFile(); | ||
| FileWriter myWriter = new FileWriter(myFile); | ||
| for (int i = 0; i < tasks.getList().size(); i++ ) { | ||
| Task curr = tasks.getList().get(i); | ||
| if (curr instanceof Deadline) { | ||
| if (curr.isDone) { | ||
| myWriter.write("D" + " | 1 | " + curr.description + " | " + ((Deadline) curr).by + "\n"); | ||
| } else { | ||
| myWriter.write("D" + " | 0 | " + curr.description + " | " + ((Deadline) curr).by + "\n"); | ||
| } | ||
| } else if (curr instanceof Event) { | ||
| if (curr.isDone) { | ||
| myWriter.write("E" + " | 1 | " + curr.description + " | " + ((Event) curr).at + "\n"); | ||
| } else { | ||
| myWriter.write("E" + " | 0 | " + curr.description + " | " + ((Event) curr).at + "\n"); | ||
| } | ||
| } else { | ||
| if (curr.isDone) { | ||
| myWriter.write("T" + " | 1 | " + curr.description + "\n"); | ||
| } else { | ||
| myWriter.write("T" + " | 0 | " + curr.description + "\n"); | ||
| } | ||
| } | ||
| } | ||
| myWriter.close(); | ||
| } | ||
| } |
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