/**
 * A company has a name and consists of (possibly nested) departments.
 */
public class Company implements Serializable {

	private static final long serialVersionUID = -200889592677165250L;
	
	private String name;
	private List<Department> depts = new LinkedList<Department>();

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public List<Department> getDepts() {
		return depts;
	}
	
	public Double total() {
		double total = 0;
		for (Department d : getDepts())
			total += d.total();
		return total;
	}	
	
	public void cut() {
		for (Department d : getDepts())
			d.cut();
	}	
}

    /*
     * Read (say, deserialize) a company.
     */
    public static Company deserializeCompany(String filename) {

        Object o = null;

        try {
            FileInputStream fis = new FileInputStream(filename);
            ObjectInputStream in = new ObjectInputStream(fis);
            o = in.readObject();
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return (Company) o;
    }

    /*
     * Write (say, serialize) a company.
     */
    public static boolean serializeCompany(Company c, String filename) {

        FileOutputStream fos = null;
        ObjectOutputStream out = null;

        try {
            fos = new FileOutputStream(filename);
            out = new ObjectOutputStream(fos);
            out.writeObject(c);
            out.close();
            return true;
        } catch (IOException ex) {
            ex.printStackTrace();
            return false;
        }
    }

    public static double total(Company c) {
        // Total is implemented in the Company class
        return c.total();
    }

    public static void cut(Company c) {
        // Cut is implemented in the Company class
        c.cut();
    }