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