Initial Commit

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/AddVehicleDialog.java

@@ -0,0 +1,102 @@
+package com.VehicleExcetionProject;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+
+/**
+ * this class will allow the user to enter a new vehicle into the database
+ */
+public class AddVehicleDialog extends JFrame implements ActionListener{
+
+	private static final long serialVersionUID = 3165335189780349167L;
+	private JButton ok;
+	private JTextArea model;
+	private JTextArea make;
+	private JTextArea year;
+	private JTextArea hp;
+	private JTextArea cap;
+
+	/**
+	 * Creates a new AddVehicleDialog
+	 */
+	public AddVehicleDialog() {
+		super();
+		setTitle("Add Vehicle");
+		setMinimumSize(new Dimension(590, 20));
+		
+		//create a JPanel to hold the text area and button
+		JPanel panel = new JPanel();
+		ok = new JButton("Ok");
+		ok.addActionListener(this);
+		model = new JTextArea();
+		model.setEditable(true);
+		model.setColumns(10);
+		model.setRows(1);
+		
+		make = new JTextArea();
+		make.setEditable(true);
+		make.setColumns(10);
+		make.setRows(1);
+		
+		year = new JTextArea();
+		year.setEditable(true);
+		year.setColumns(10);
+		year.setRows(1);
+		
+		hp = new JTextArea();
+		hp.setEditable(true);
+		hp.setColumns(10);
+		hp.setRows(1);
+		
+		cap = new JTextArea();
+		cap.setEditable(true);
+		cap.setColumns(10);
+		cap.setRows(1);
+		
+		panel.add(new JLabel("Model: "));
+		panel.add(model);
+		panel.add(new JLabel("Make: "));
+		panel.add(make);
+		panel.add(new JLabel("Year: "));
+		panel.add(year);
+		panel.add(new JLabel("Horse Power: "));
+		panel.add(hp);
+		panel.add(new JLabel("Capacity: "));
+		panel.add(cap);
+		
+		panel.add(ok);
+		
+		//add the JPanel to the frame, and display
+		getContentPane().add(panel);
+		pack();
+		setVisible(true);
+	}
+
+	/**
+	 * (non-Javadoc)
+	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+	 */
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == ok) {
+			try{
+				if(model.getText().equals("truck")){
+					MainWindow.db.addVehicle(new Truck(make.getText(), Integer.parseInt(year.getText()), Double.parseDouble(hp.getText()), Double.parseDouble(cap.getText())));
+				}
+				if(model.getText().equals("bus")){
+					MainWindow.db.addVehicle(new Bus(make.getText(), Integer.parseInt(year.getText()), Double.parseDouble(hp.getText()), Integer.parseInt(cap.getText())));;
+				}
+				setVisible(false);
+			} catch(Exception ex){
+				ex.printStackTrace();
+			}
+		}
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/Bus.java

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+/**
+ * Bus class with super class
+ *
+ * @author Jonathan Warning
+ * @version 11.01.10
+ */
+package com.VehicleExcetionProject;
+
+
+public class Bus extends Vehicle {
+	public final int MAXPASSENGERS = 50;
+	private int numOfPassengers;
+
+	/*
+	 * constructs a Bus object
+	 */
+	public Bus() {
+		super();
+		numOfPassengers = 0;
+	}
+
+	/*
+	 * constructs a Bus object
+	 * 
+	 * @param String aMake the make of the vehicle
+	 * 
+	 * @param int aYear the year of the vehicle
+	 * 
+	 * @param double aHorsepower the horsepower of the vehicle
+	 * 
+	 * @param int aNumOfPassengers the number of passsengers
+	 */
+	public Bus(String aMake, int aYear, double aHorsepower, int aNumOfPassengers) {
+		super(aMake, aYear, aHorsepower);
+		if (aNumOfPassengers > MAXPASSENGERS)
+			throw new OverloadedBusException(
+					"Number of passengers cannot exceed " + MAXPASSENGERS);
+		else if (aNumOfPassengers < 0)
+			throw new NegativeBusPassengerException(
+					"Number of passegers cannot be less than 0.");
+		else
+			numOfPassengers = aNumOfPassengers;
+	}
+
+	/*
+	 * sets the number of passengers on the Bus
+	 * 
+	 * @param int numOfPassengers the number of passengers on the Bus
+	 */
+	public void setPassengers(int aNumOfPassengers) {
+		if (aNumOfPassengers > MAXPASSENGERS)
+			throw new OverloadedBusException(
+					"Number of passengers cannot exceed " + MAXPASSENGERS);
+		else if (aNumOfPassengers < 0)
+			throw new NegativeBusPassengerException(
+					"Number of passegers cannot be less than 0.");
+		else
+			numOfPassengers = aNumOfPassengers;
+	}
+
+	/*
+	 * gets the number of passengers on the Bus
+	 * 
+	 * @return int numOfPassengers the number of passengers on the Bus
+	 */
+	public int getPassengers() {
+		return numOfPassengers;
+	}
+
+	/*
+	 * calculates miles per gallon
+	 * 
+	 * @return double milesPerGal the miles per gallon of the Bus
+	 */
+	public double calculateMPG() {
+		return milesPerGal = 10000 / numOfPassengers / horsepower;
+	}
+
+	/*
+	 * String with all of the parameters of the Bus
+	 * 
+	 * @return int year year of the Bus
+	 * 
+	 * @return String make make of the Bus
+	 * 
+	 * @return double horsepower horsepower of the Bus
+	 * 
+	 * @return int numOfPassengers number of passengers in Bus
+	 */
+	@Override
+	public String toString() {
+		return "The " + super.year + ", " + super.horsepower + " horsepower "
+				+ super.make + " is carrying " + numOfPassengers + " people.";
+	}
+
+	/*
+	 * Compares two Busses number of passengers
+	 * 
+	 * @return boolean are the busses number of passengers equal
+	 */
+	@Override
+	public boolean equals(Object otherObj) {
+		if (otherObj instanceof Bus) {
+			Bus otherBus = (Bus) otherObj;
+			return (numOfPassengers == otherBus.numOfPassengers);
+		} else
+			return false;
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/InvalidHorsepowerException.java

@@ -0,0 +1,15 @@
+package com.VehicleExcetionProject;
+
+public class InvalidHorsepowerException extends RuntimeException {
+
+	private static final long serialVersionUID = -3775197702871511450L;
+
+	public InvalidHorsepowerException() {
+
+	}
+
+	public InvalidHorsepowerException(String message) {
+		super(message);
+	}
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/InvalidMakeException.java

@@ -0,0 +1,15 @@
+package com.VehicleExcetionProject;
+
+public class InvalidMakeException extends RuntimeException {
+
+	private static final long serialVersionUID = -7536710583729590772L;
+
+	public InvalidMakeException() {
+
+	}
+
+	public InvalidMakeException(String message) {
+		super(message);
+	}
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/InvalidTowingCapacityException.java

@@ -0,0 +1,14 @@
+package com.VehicleExcetionProject;
+
+public class InvalidTowingCapacityException extends RuntimeException {
+
+	private static final long serialVersionUID = -3525837906090455018L;
+
+	public InvalidTowingCapacityException() {
+
+	}
+
+	public InvalidTowingCapacityException(String message) {
+		super(message);
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/InvalidYearException.java

@@ -0,0 +1,14 @@
+package com.VehicleExcetionProject;
+
+public class InvalidYearException extends RuntimeException {
+
+	private static final long serialVersionUID = 7185150702544438062L;
+
+	public InvalidYearException() {
+
+	}
+
+	public InvalidYearException(String message) {
+		super(message);
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/MainWindow.java

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+package com.VehicleExcetionProject;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+/**
+ * this is the main window and class of this application
+ */
+public class MainWindow extends JFrame implements ActionListener{
+
+	private JButton search;
+	private JButton addVehicle;
+	private JButton addFromFile;
+	private JButton removeVehicle;
+	private JButton showAllVehicles;
+	private JFileChooser fc;
+	public static VehicleDB db;
+	
+	/**
+	 * Generated Serial Version ID
+	 */
+	private static final long serialVersionUID = 1841715561053331517L;
+
+	public MainWindow() {
+		setTitle("Vehicle Database");
+		JPanel panel = new JPanel();
+		search = new JButton("Search");
+		addVehicle = new JButton("Add Vehicle");
+		addFromFile = new JButton("Add From File");
+		removeVehicle = new JButton("Remove Vehicle");
+		showAllVehicles = new JButton("Show All Vehicles");
+		
+		search.addActionListener(this);
+		addVehicle.addActionListener(this);
+		addFromFile.addActionListener(this);
+		removeVehicle.addActionListener(this);
+		showAllVehicles.addActionListener(this);
+		
+		panel.add(search);
+		panel.add(addVehicle);
+		panel.add(addFromFile);
+		panel.add(removeVehicle);
+		panel.add(showAllVehicles);
+		
+		add(panel);
+		setVisible(true);
+		this.setMinimumSize(new Dimension(680,70));
+		
+        fc = new JFileChooser();
+
+        fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
+        
+        db = new VehicleDB();
+	}
+	
+	/**
+	 * main method, called when the application starts
+	 * @param args
+	 */
+	public static void main(String[] args){
+		new MainWindow();
+	}
+	
+	/**
+	 * called when a button is clicked
+	 * (non-Javadoc)
+	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+	 */
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == search) {
+			new ShowAllMakeDialog();
+		}
+		if (e.getSource() == addVehicle) {
+			new AddVehicleDialog();
+		}
+		if (e.getSource() == addFromFile) {
+			if(fc.showOpenDialog(MainWindow.this) == JFileChooser.APPROVE_OPTION){
+				db.processFile(fc.getSelectedFile());
+			}
+		}
+		if (e.getSource() == removeVehicle) {
+			new RemoveVehicleDialog();
+		}
+		if (e.getSource() == showAllVehicles) {
+			new ShowAllDialog(db.toString());
+		}
+	}			
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/NegativeBusPassengerException.java

@@ -0,0 +1,14 @@
+package com.VehicleExcetionProject;
+
+public class NegativeBusPassengerException extends RuntimeException {
+
+	private static final long serialVersionUID = 2864975327138368535L;
+
+	public NegativeBusPassengerException() {
+
+	}
+
+	public NegativeBusPassengerException(String message) {
+		super(message);
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/OverloadedBusException.java

@@ -0,0 +1,14 @@
+package com.VehicleExcetionProject;
+
+public class OverloadedBusException extends RuntimeException {
+
+	private static final long serialVersionUID = -1979540068583138964L;
+
+	public OverloadedBusException() {
+
+	}
+
+	public OverloadedBusException(String message) {
+		super(message);
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/RemoveVehicleDialog.java

@@ -0,0 +1,63 @@
+package com.VehicleExcetionProject;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+
+/**
+ * This class will be the delete vehicle dialog
+ */
+public class RemoveVehicleDialog extends JFrame implements ActionListener {
+
+	private static final long serialVersionUID = -36245710370532319L;
+	private JButton ok;
+	private JTextArea editText;
+
+	/**
+	 * Creates a new RemoveVehicleDialog
+	 */
+	public RemoveVehicleDialog(){
+		super();
+		setTitle("Delete Vehicles");
+		setMinimumSize(new Dimension(590, 20));
+		
+		//create a JPanel to hold the text area and button
+		JPanel panel = new JPanel();
+		ok = new JButton("Ok");
+		editText = new JTextArea();
+		JLabel label = new JLabel("Enter Vehicle Make To Remove");
+		ok.addActionListener(this);
+		editText.setEditable(true);
+		editText.setColumns(25);
+		editText.setRows(1);
+		
+		panel.add(label);
+		panel.add(editText);
+		panel.add(ok);
+		
+		//add the JPanel to the frame, and display
+		getContentPane().add(panel);
+		pack();
+		setVisible(true);
+	}
+
+
+	/**
+	 * (non-Javadoc)
+	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+	 */
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == ok) {
+				MainWindow.db.deleteVehicle(editText.getText());
+				setVisible(false);
+		}
+	}
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/ShowAllDialog.java

@@ -0,0 +1,65 @@
+package com.VehicleExcetionProject;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+
+/**
+ * This panel will be used to display all Vehicles in the VechicleDB
+ */
+public class ShowAllDialog extends JFrame {
+
+	private static final long serialVersionUID = -8416144493079733535L;
+	private JButton ok;
+	private JTextArea results;
+
+	/**
+	 * Creates a new ShowAllDialog
+	 */
+	public ShowAllDialog(String list){
+		super();
+		setTitle("Show All Vehicles");
+		setMinimumSize(new Dimension(590, 460));
+		
+		//create a JPanel to hold the text area and button
+		JPanel panel = new JPanel();
+		ok = new JButton("Ok");
+		results = new JTextArea();
+		ButtonListener listener = new ButtonListener();
+		ok.addActionListener(listener);
+		results.setEditable(false);
+		results.setText(list);
+		results.setColumns(50);
+		results.setRows(25);
+		JScrollPane scrollPane = new JScrollPane(results);
+		setPreferredSize(new Dimension(450, 110));
+		add(scrollPane, BorderLayout.CENTER);
+		panel.add(scrollPane);
+		panel.add(ok);
+		
+		//add the JPanel to the frame, and display
+		getContentPane().add(panel);
+		pack();
+		setVisible(true);
+	}
+	
+	/**
+	 * Listener class for this JPanel
+	 */
+	private class ButtonListener implements ActionListener {
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			ShowAllDialog.this.setVisible(false);	
+		}
+		
+	}
+	
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/ShowAllMakeDialog.java

@@ -0,0 +1,66 @@
+package com.VehicleExcetionProject;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextArea;
+
+/**
+ * This class will be the dialog that will ask the user for a specific make to show
+ */
+public class ShowAllMakeDialog extends JFrame implements ActionListener {
+
+	private static final long serialVersionUID = 1750326106927701404L;
+	private JButton ok;
+	private JTextArea editText;
+
+	/**
+	 * Creates a new ShowAllMakeDialog
+	 */
+	public ShowAllMakeDialog() {
+		super();
+		setTitle("Search");
+		setMinimumSize(new Dimension(590, 20));
+		
+		//create a JPanel to hold the text area and button
+		JPanel panel = new JPanel();
+		ok = new JButton("Ok");
+		editText = new JTextArea();
+		JLabel label = new JLabel("Enter Vehicle Make To Show");
+		ok.addActionListener(this);
+		editText.setEditable(true);
+		editText.setColumns(25);
+		editText.setRows(1);
+		
+		panel.add(label);
+		panel.add(editText);
+		panel.add(ok);
+		
+		//add the JPanel to the frame, and display
+		getContentPane().add(panel);
+		pack();
+		setVisible(true);
+	}
+
+
+	/**
+	 * (non-Javadoc)
+	 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+	 */
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == ok) {
+			StringBuilder sb = new StringBuilder();
+			for(Vehicle item : MainWindow.db.findVehicle(editText.getText()))
+				sb.append(item.toString()+"\n");
+				new ShowAllDialog(sb.toString());
+				setVisible(false);
+		}
+	}
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/Test.java

@@ -0,0 +1,43 @@
+package com.VehicleExcetionProject;
+
+import java.awt.EventQueue;
+
+import javax.swing.JFrame;
+
+public class Test {
+
+	private JFrame frame;
+
+	/**
+	 * Launch the application.
+	 */
+	public static void main(String[] args) {
+		EventQueue.invokeLater(new Runnable() {
+			public void run() {
+				try {
+					Test window = new Test();
+					window.frame.setVisible(true);
+				} catch (Exception e) {
+					e.printStackTrace();
+				}
+			}
+		});
+	}
+
+	/**
+	 * Create the application.
+	 */
+	public Test() {
+		initialize();
+	}
+
+	/**
+	 * Initialize the contents of the frame.
+	 */
+	private void initialize() {
+		frame = new JFrame();
+		frame.setBounds(100, 100, 450, 300);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+	}
+
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/Truck.java

@@ -0,0 +1,106 @@
+/**
+ * Truck class with superclass
+ *
+ * @author Jonathan Warning
+ * @version 11.01.10
+ */
+
+package com.VehicleExcetionProject;
+
+
+public class Truck extends Vehicle {
+	public final double MINCAPACITY = 0.5;
+
+	private double towingCapacity;
+
+	/*
+	 * constructs a Truck object
+	 */
+	public Truck() {
+		super();
+		towingCapacity = 0;
+	}
+
+	/*
+	 * constructs a Truck object
+	 * 
+	 * @param String aMake the make of the vehicle
+	 * 
+	 * @param int aYear the year of the vehicle
+	 * 
+	 * @param double aHorsepower the horsepower of the vehicle
+	 * 
+	 * @param double aTowingCapacity the towing capacity of the Truck
+	 */
+	public Truck(String aMake, int aYear, double aHorsepower,
+			double aTowingCapacity) {
+		super(aMake, aYear, aHorsepower);
+		if (aTowingCapacity < MINCAPACITY)
+			throw new InvalidTowingCapacityException(
+					"Towing capacity cannot be less than " + MINCAPACITY);
+		else
+			towingCapacity = aTowingCapacity;
+	}
+
+	/*
+	 * sets the towing capacity of the truck
+	 * 
+	 * @param double aTowingCapacity the towing capacity of the truck
+	 */
+	public void setTowingCapacity(double aTowingCapacity) {
+		if (aTowingCapacity < MINCAPACITY)
+			throw new InvalidTowingCapacityException("Towing capacity cannot be less than " + MINCAPACITY);
+		else
+			towingCapacity = aTowingCapacity;
+	}
+
+	/*
+	 * gets the towing capacity of the truck
+	 * 
+	 * @return double aTowingCapacity the towing capacity of the Truck
+	 */
+	public double getTowingCapacity() {
+		return towingCapacity;
+	}
+
+	/*
+	 * calculates miles per gallon
+	 * 
+	 * @return double milesPerGal the miles per gallon of the Truck
+	 */
+	public double calculateMPG() {
+		return milesPerGal = 5000 / towingCapacity / horsepower;
+	}
+
+	/*
+	 * String with all of the parameters of the Truck
+	 * 
+	 * @return int year year of the Truck
+	 * 
+	 * @return String make make of the Truck
+	 * 
+	 * @return double horsepower horsepower of the Truck
+	 * 
+	 * @return double towingCapacity the towing capactiy of the truck
+	 */
+	@Override
+	public String toString() {
+		return "The towing capacity of the " + super.year + ", "
+				+ super.horsepower + " horsepower " + super.make + " is "
+				+ towingCapacity + " tons.";
+	}
+
+	/*
+	 * Compares two trucks towing capacities
+	 * 
+	 * @return boolean are the trucks towing capacities equal
+	 */
+	@Override
+	public boolean equals(Object otherObj) {
+		if (otherObj instanceof Truck) {
+			Truck otherTruck = (Truck) otherObj;
+			return ((towingCapacity == otherTruck.towingCapacity));
+		} else
+			return false;
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/Vehicle.java

@@ -0,0 +1,176 @@
+/**
+ * Vehicle class with subclasses
+ *
+ * @author Jonathan Warning
+ * @version 10.20.10
+ */
+
+package com.VehicleExcetionProject;
+
+
+public abstract class Vehicle implements Cloneable, Comparable<Vehicle> {
+	protected String make;
+	protected int year;
+	protected double horsepower;
+	protected double milesPerGal;
+
+	/*
+	 * constructs a vehicle object
+	 */
+	public Vehicle() {
+		make = "";
+		year = 0;
+		horsepower = 0;
+
+		if (make.length() == 0)
+			throw new InvalidMakeException("Vehicle must parameters.");
+		if (year <= 0)
+			throw new InvalidYearException("Vehicle must parameters.");
+		if (horsepower <= 0)
+			throw new InvalidHorsepowerException("Vehicle must parameters.");
+	}
+
+	/*
+	 * constructs a vehicle object
+	 * 
+	 * @param String aMake the make of the vehicle
+	 * 
+	 * @param int aYear the year of the vehicle
+	 * 
+	 * @param double aHorsepower the horsepower of the vehicle
+	 */
+	public Vehicle(String aMake, int aYear, double aHorsepower) {
+		if (aMake.length() == 0)
+			throw new InvalidMakeException("Vehicle must have a make.");
+		else
+			make = aMake;
+
+		if (aYear <= 0)
+			throw new InvalidYearException("Vehicle must have been made A.D.");
+		else
+			year = aYear;
+
+		if (aHorsepower <= 0)
+			throw new InvalidHorsepowerException(
+					"Vehicle must have positive horsepower.");
+		else
+			horsepower = aHorsepower;
+	}
+
+	/*
+	 * Sets the make of the vehicle
+	 * 
+	 * @param String aMake the make of the vehicle
+	 */
+	public void setMake(String aMake) {
+		if (aMake.length() == 0)// (aMake.equalsIgnoreCase(""))
+			throw new InvalidMakeException("Vehicle must have a make.");
+		else
+			make = aMake;
+	}
+
+	/*
+	 * Sets the year of the vehicle
+	 * 
+	 * @param int aYear the year of the vehicle
+	 */
+	public void setYear(int aYear) {
+		if (aYear <= 0)
+			throw new InvalidYearException("Vehicle must have been made A.D.");
+		else
+			year = aYear;
+	}
+
+	/*
+	 * Sets the horsepowers of the vehicle
+	 * 
+	 * @param double aHorsepower the horsepower of the vehicle
+	 */
+	public void setHorsepower(double aHorsepower) {
+		if (aHorsepower <= 0)
+			throw new InvalidHorsepowerException(
+					"Vehicle must have positive horsepower.");
+		else
+			horsepower = aHorsepower;
+	}
+
+	/*
+	 * gets the make of the vehicle
+	 * 
+	 * @return String make the make of the vehicle
+	 */
+	public String getMake() {
+		return make;
+	}
+
+	/*
+	 * gets the year of the vehicle
+	 * 
+	 * @return int year the year of the vehicle
+	 */
+	public int getYear() {
+		return year;
+	}
+
+	/*
+	 * gets the horsepower of the vehicle
+	 * 
+	 * @return double horsepower the horsepower of the vehicle
+	 */
+	public double getHorsepower() {
+		return horsepower;
+	}
+
+	/*
+	 * abstract method to calculate MPG classes that implement Vehicle must the
+	 * calculateMPG method
+	 */
+	public abstract double calculateMPG();
+
+	/*
+	 * String with all of the parameters of the class
+	 * 
+	 * @return int year year of the Vehicle
+	 * 
+	 * @return String make make of the Vehicle
+	 * 
+	 * @return double horsepower horsepower of the Vehicle
+	 */
+	public String toString() {
+		return "The " + year + " " + make + " has " + horsepower + " hp.";
+	}
+
+	/*
+	 * Compares two Vehicles milesPerGal
+	 * 
+	 * @return boolean are the objects milesPerGal equal
+	 */
+	public boolean equals(Object otherObj) {
+		Vehicle otherVehicle = (Vehicle) otherObj;
+		return (this.milesPerGal == otherVehicle.milesPerGal);
+	}
+
+	/*
+	 * makes a deep copy of a Vehicle object
+	 * 
+	 * @return Object a deep copy of the object
+	 */
+	@Override
+	public Object clone() throws CloneNotSupportedException {
+		try {
+			return super.clone();
+		} catch (CloneNotSupportedException e) {
+			return null;
+		}
+	}
+	
+	/**
+	 * compares vehicle by make
+	 * (non-Javadoc)
+	 * @see java.lang.Comparable#compareTo(java.lang.Object)
+	 */
+	@Override
+	public int compareTo(Vehicle vehicle){
+		return this.make.compareTo( vehicle.make );
+	}
+}

Java/Vehicle Exception Project/src/com/VehicleExcetionProject/VehicleDB.java

@@ -0,0 +1,109 @@
+package com.VehicleExcetionProject;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Scanner;
+
+/**
+ * This class will be a vehicle database
+ */
+public class VehicleDB{
+
+	private ArrayList<Vehicle> array;
+	
+	/**
+	 * Creates a new VehicleDB
+	 */
+	public VehicleDB(){
+		array = new ArrayList<Vehicle>(0);
+	}
+	
+	/**
+	 * returns a human readable string
+	 * (non-Javadoc)
+	 * @see java.lang.Object#toString()
+	 */
+	@Override
+	public String toString(){
+		StringBuffer sb = new StringBuffer();
+		for(Vehicle item : array)
+			sb.append(item.toString() +"\n");
+		return sb.toString();
+	}
+	
+	/**
+	 * added the vehicle to the database
+	 * @param aVehicle
+	 */
+	public void addVehicle(Vehicle aVehicle){
+		array.add(aVehicle);
+		Collections.sort(array);
+	}
+	
+	/**
+	 * finds the all occurrences of a vehicle with the make 
+	 * @param make
+	 * @return ta list containing all the vehicles with the provided make
+	 */
+	public ArrayList<Vehicle> findVehicle(String make){
+		ArrayList<Vehicle> temp = new ArrayList<Vehicle>(0);
+		for(Vehicle item : array)
+			if(item.getMake().equals(make))
+				temp.add(item);
+		return temp;
+	}
+	
+	/**
+	 * removes the all occurrences of a vehicle with the make 
+	 * @param make
+	 */
+	public void deleteVehicle(String make){
+		Object[] temp = array.toArray();
+		for(int index = 0; index < temp.length; index++)
+			if(((Vehicle)temp[index]).getMake().equals(make)){
+					temp[index] = null;
+			}
+		
+		array.removeAll(array);
+		
+		for(Object item : temp)
+			if(item != null)
+				array.add((Vehicle)item);
+	}
+
+	/**
+	 * process the file into the VehicleDB
+	 * @param selectedFile
+	 */
+	public void processFile(File selectedFile) {
+		Scanner scan = null;
+		try {
+			scan = new Scanner(selectedFile);
+		} catch (FileNotFoundException e1) {
+			e1.printStackTrace();
+		}
+		
+		if(scan != null){
+			String model;
+			while(scan.hasNextLine()){
+				model = scan.next();
+				if(model.toCharArray()[0] != '#'){
+					try {
+						if(model.equals("truck")){
+							addVehicle(new Truck(scan.next(), scan.nextInt(), scan.nextDouble(), scan.nextDouble()));
+						}
+						if(model.equals("bus")){
+							addVehicle(new Bus(scan.next(), scan.nextInt(), scan.nextDouble(), scan.nextInt()));
+						}
+					} catch (Exception e) {
+//						e.printStackTrace();
+					}
+				}
+			}
+		}
+		
+	}
+
+}