Method loadObject

core/Settings.java:777–819

Dynamically loads and creates an object. @param className Name of the class of the object @param argsClass Class(es) of the argument(s) or null if no-argument constructor should be called @param args Argument(s) @return The new object @throws SettingsError if object couldn't be created

(String className, Class<?>[] argsClass, 
			Object[] args)

	 * @throws SettingsError if object couldn't be created
	 */
	private Object loadObject(String className, Class<?>[] argsClass, 
			Object[] args) {
		Object o = null;
		Class<?> objClass = getClass(className);
		Constructor<?> constructor;
		
		try {
			if (argsClass != null) { // use a specific constructor
				constructor = objClass.getConstructor((Class[])argsClass);
				o = constructor.newInstance(args);
			}
			else { // call empty constructor
				o = objClass.newInstance();
			}
		} catch (SecurityException e) {
			e.printStackTrace();
			throw new SettingsError("Fatal exception " + e, e);
		} catch (IllegalArgumentException e) {
			e.printStackTrace();
			throw new SettingsError("Fatal exception " + e, e);
		} catch (NoSuchMethodException e) {
			throw new SettingsError("Class '" + className + 
					"' doesn't have a suitable constructor", e);
		} catch (InstantiationException e) {
			throw new SettingsError("Can't create an instance of '" + 
					className + "'", e);
		} catch (IllegalAccessException e) {
			e.printStackTrace();
			throw new SettingsError("Fatal exception " + e, e);
		} catch (InvocationTargetException e) {
			// this exception occurs if initialization of the object fails
			if (e.getCause() instanceof SettingsError) {
				throw (SettingsError)e.getCause();
			}
			else {
				e.printStackTrace(); 
				throw new SimError("Couldn't create settings-accepting object"+
					" for '" + className + "'\n" + "cause: " + e.getCause(), e);
			}
		}

		return o;
	}
	
	/**
	 * Returns a Class object for the name of class of throws SettingsError