manager.NoteManager.java Source code

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Here is the source code for manager.NoteManager.java

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/*
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package manager;

import base.ModelManager;
import base.NoteComparator;
import exceptions.NotReadyException;
import factory.JSONModelFactory;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.Map;
import java.util.PriorityQueue;
import model.Note;
import org.json.simple.parser.ParseException;
import persistence.JSONReader;
import persistence.JSONWriter;

/**
 *
 * @author tan
 */
public final class NoteManager extends ModelManager {
    private static boolean ready = false;

    public static Note getNextNote() {
        return (Note) modelQueue.peek();
    }

    /**
     * Initializes the manager.
     * 
     * @param filepath the filename to save the notes.
     * @throws IOException 
     */
    public static void initManager(String filepath)
            throws IOException, ParseException, InstantiationException, IllegalAccessException {
        saveFile = filepath;
        modelQueue = new PriorityQueue(11, new NoteComparator());
        file = new File(filepath);
        JSONWriter.setFile(file);
        JSONReader.setFile(file);
        NoteManager.loadModels();
        ready = true;
    }

    public static Note getNoteByIndex(int index) {
        Iterator<Note> itr = modelQueue.iterator();
        for (int i = 0; i < index; i++)
            itr.next();

        return itr.next();
    }

    public static int size() {
        return modelQueue.size();
    }

    /**
     * Creates and adds a note from a map.
     * 
     * @param args a Map containing the fields of a note.
     * 
     * @see factory.ModelFactory#createNote(java.util.Map) 
     */
    public static void createNote(Map args)
            throws InstantiationException, IllegalAccessException, NotReadyException {
        if (!ready)
            throwException();
        Note note = (Note) JSONModelFactory.create(Note.class);
        ModelManager.manage(note);
    }

    public static void deleteNoteByIndex(int index) throws IOException {
        Iterator<Note> itr = modelQueue.iterator();
        for (int i = 0; i <= index; i++)
            itr.next();
        itr.remove();
        saveModels();
    }

    public static void searchNoteByTitle(String title) throws NotReadyException {
        if (!ready)
            throwException();
        throw new UnsupportedOperationException(
                "Implement " + NoteManager.class.getName() + "#searchNoteByTitle(java.util.String).");
    }

    private static void throwException() throws NotReadyException {
        throw new NotReadyException("Initialize the Manager first.");
    }
}