-Implemented Inventory

-Created FullInventoryException

Signed-off-by: Tony Grosinger <tony@grosinger.net>

src/net/grosinger/nomads/Inventory.java

@@ -0,0 +1,92 @@
+package net.grosinger.nomads;
+
+import java.util.ArrayList;
+
+import net.grosinger.nomads.exceptions.FullInventoryException;
+
+public class Inventory {
+	private DroneListItem droneItem;
+	private ArrayList<GameObject> allItems;
+	private int maxSize;
+
+	public Inventory(DroneListItem drone) {
+		droneItem = drone;
+		allItems = new ArrayList<GameObject>();
+		updateMaxSize();
+	}
+
+	/**
+	 * Remove a specific GameObject from the inventory
+	 * 
+	 * @param obj
+	 *            Object to be removed
+	 */
+	public void remove(GameObject obj) {
+		allItems.remove(obj);
+	}
+
+	/**
+	 * Remove the GameObject at the specified index from the inventory
+	 * 
+	 * @param index
+	 *            Index to be removed
+	 */
+	public void remove(int index) {
+		allItems.remove(index);
+	}
+
+	/**
+	 * Get the GameObject that is at the specified index and return
+	 * 
+	 * @param index
+	 *            Index to be found
+	 * @return <code>GameObject</code>
+	 */
+	public GameObject getItem(int index) {
+		return allItems.get(index);
+	}
+
+	/**
+	 * Add an item to the inventory
+	 * 
+	 * @param item
+	 *            Item to be added
+	 * @throws FullInventoryException
+	 */
+	public void addItem(GameObject item) throws FullInventoryException {
+		updateMaxSize();
+
+		if (allItems.size() >= maxSize) {
+			throw new FullInventoryException();
+		} else {
+			allItems.add(item);
+		}
+	}
+
+	/**
+	 * Determine if the inventory is completely empty of all GameObjects
+	 * 
+	 * @return <code>boolean</code>
+	 */
+	public boolean isEmpty() {
+		return allItems.isEmpty();
+	}
+
+	/**
+	 * Determine if the inventory is full or not and return
+	 * 
+	 * @return <code>boolean</code>
+	 */
+	public boolean isFull() {
+		updateMaxSize();
+		return allItems.size() >= maxSize;
+	}
+
+	public int size() {
+		return allItems.size();
+	}
+
+	private void updateMaxSize() {
+		maxSize = droneItem.getCargoSpace();
+	}
+}

src/net/grosinger/nomads/exceptions/FullInventoryException.java

@@ -0,0 +1,8 @@
+package net.grosinger.nomads.exceptions;
+
+public class FullInventoryException extends Exception {
+
+	public FullInventoryException() {
+		super("The inventory is already full");
+	}
+}