/**
 * Get a file in the plug-in installation directory.
 * @generated NOT
 */
private File getFile(String name) throws IOException {
	URL url = Activator.getDefault().getBundle().getEntry("/");
	url = FileLocator.toFileURL(url);
	return new File(url.getPath() + name);
}

/**
 * Load the stored systems from file systems.systemmanager
 * If the file does not exist in the plug-in's
 * installation directory we create a new dummy system
 * and save it in a new file.
 * @generated NOT
 */
private void loadSystems() {
	ResourceSet set = new ResourceSetImpl();
	try {
		File file = getFile("systems.systemmanager");
		if (!file.createNewFile()) {
			// Load contents from existing file
			URI uri = URI.createFileURI(file.getAbsolutePath());
			Resource res = set.getResource(uri, true);
			root = (SystemManagerImpl)res.getContents().get(0);
		}
		else {
			// Create a dummy system and save to file
			SystemBase system = SystemManagerFactory.eINSTANCE.createSystemBase();
			system.setName("Dummy");
			root.getSystems().add(system);
			saveSystems();
		}
	}
	catch (Exception e) {
		Status status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Loading systems failed:\n" + e.getMessage());
		Activator.getDefault().getLog().log(status);
	}
}

/**
 * Save the systems to file systems.systemmanager
 * @generated NOT
 */
public void saveSystems() {
	ResourceSet set = new ResourceSetImpl();
	try {
		File file = getFile("systems.systemmanager");
		file.createNewFile();
		URI uri = URI.createFileURI(file.getAbsolutePath());
		Resource res = set.createResource(uri);
		res.getContents().add(root);
		res.save(Collections.EMPTY_MAP);
	}
	catch (Exception e) {
		Status status = new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Saving systems failed:\n" + e.getMessage());
		Activator.getDefault().getLog().log(status);
	}
}