public function getComponent($name, $need = TRUE)
	{
		if (isset($this->components[$name])) {
			return $this->components[$name];
		}

		if (is_int($name)) {
			$name = (string) $name;

		} elseif (!is_string($name)) {
			throw new Nette\InvalidArgumentException(sprintf('Component name must be integer or string, %s given.', gettype($name)));

		} else {
			$a = strpos($name, self::NAME_SEPARATOR);
			if ($a !== FALSE) {
				$ext = (string) substr($name, $a + 1);
				$name = substr($name, 0, $a);
			}

			if ($name === '') {
				if ($need) {
					throw new Nette\InvalidArgumentException('Component or subcomponent name must not be empty string.');
				}
				return;
			}
		}

		if (!isset($this->components[$name])) {
			$component = $this->createComponent($name);
			if ($component) {
				if (!$component instanceof IComponent) {
					throw new Nette\UnexpectedValueException('Method createComponent() did not return Nette\ComponentModel\IComponent.');

				} elseif (!isset($this->components[$name])) {
					$this->addComponent($component, $name);
				}
			}
		}

		if (isset($this->components[$name])) {
			if (!isset($ext)) {
				return $this->components[$name];

			} elseif ($this->components[$name] instanceof IContainer) {
				return $this->components[$name]->getComponent($ext, $need);

			} elseif ($need) {
				throw new Nette\InvalidArgumentException("Component with name '$name' is not container and cannot have '$ext' component.");
			}

		} elseif ($need) {
			$hint = Nette\Utils\ObjectMixin::getSuggestion(array_merge(
				array_keys($this->components),
				array_map('lcfirst', preg_filter('#^createComponent([A-Z0-9].*)#', '$1', get_class_methods($this)))
			), $name);
			throw new Nette\InvalidArgumentException("Component with name '$name' does not exist" . ($hint ? ", did you mean '$hint'?" : '.'));
		}
	}