/**
  * Register a native Flow package
  *
  * @param PackageInterface $package The Package to be registered
  * @param boolean $sortAndSave allows for not saving packagestates when used in loops etc.
  * @return PackageInterface
  * @throws Exception\InvalidPackageStateException
  */
 public function registerPackage(PackageInterface $package, $sortAndSave = true)
 {
     $packageKey = $package->getPackageKey();
     $caseSensitivePackageKey = $this->getCaseSensitivePackageKey($packageKey);
     if ($this->isPackageAvailable($caseSensitivePackageKey)) {
         throw new Exception\InvalidPackageStateException('Package "' . $packageKey . '" is already registered as "' . $caseSensitivePackageKey . '".', 1338996122);
     }
     $this->packages[$packageKey] = $package;
     $this->packageStatesConfiguration['packages'][$packageKey]['packagePath'] = str_replace($this->packagesBasePath, '', $package->getPackagePath());
     $this->packageStatesConfiguration['packages'][$packageKey]['classesPath'] = str_replace($package->getPackagePath(), '', $package->getClassesPath());
     if ($sortAndSave === true) {
         $this->sortAndSavePackageStates();
     }
     return $package;
 }
 /**
  * Extracts the namespace from a package
  *
  * @param \TYPO3\Flow\Package\PackageInterface $package
  * @return void
  */
 protected function buildPackageNamespace(\TYPO3\Flow\Package\PackageInterface $package)
 {
     $packageNamespace = $package->getNamespace();
     // Ignore legacy extensions with unkown vendor name
     if ($packageNamespace[0] !== '*') {
         $this->packageNamespaces[$packageNamespace] = array('namespaceLength' => strlen($packageNamespace), 'classesPath' => $package->getClassesPath(), 'packagePath' => $package->getPackagePath(), 'substituteNamespaceInPath' => $package instanceof PackageInterface);
     }
 }