/** * {@inheritdoc} */ public function prepareInstallation(AssetMapping $mapping) { $glob = $mapping->getGlob(); $targetName = $mapping->getTargetName(); $resources = $this->repo->find($glob); if ($resources->isEmpty()) { throw NotInstallableException::noResourceMatches($glob); } if (!$this->installTargets->contains($targetName)) { throw NotInstallableException::targetNotFound($targetName); } $target = $this->installTargets->get($targetName); $installerName = $target->getInstallerName(); if (!$this->installerManager->hasInstallerDescriptor($installerName)) { throw NotInstallableException::installerNotFound($installerName); } $installerDescriptor = $this->installerManager->getInstallerDescriptor($installerName); $installer = $this->loadInstaller($installerDescriptor); $rootDir = $this->environment->getRootDirectory(); $params = new InstallationParams($installer, $installerDescriptor, $resources, $mapping, $target, $rootDir); $installer->validateParams($params); return $params; }