AppserverIo\Appserver\Core\AbstractExtractor::undeployArchive PHP Method

    public function undeployArchive(ContainerNodeInterface $containerNode, \SplFileInfo $archive)
    {
        try {
            // create webapp folder name based on the archive's basename
            $webappFolderName = new \SplFileInfo($this->getWebappsDir($containerNode, basename($archive->getFilename(), $this->getExtensionSuffix())));
            // check if app has to be undeployed
            if ($this->isUndeployable($archive) && $webappFolderName->isDir()) {
                // flag webapp as undeploing
                $this->flagArchive($archive, ExtractorInterface::FLAG_UNDEPLOYING);
                // backup files that are NOT part of the archive
                $this->backupArchive($containerNode, $archive);
                // delete directories previously backed up
                $this->removeDir($webappFolderName);
                // flag webapp as undeployed
                $this->flagArchive($archive, ExtractorInterface::FLAG_UNDEPLOYED);
                // log a message that the application has successfully been deployed
                $this->getInitialContext()->getSystemLogger()->info(sprintf('Application archive %s has succussfully been undeployed', $archive->getBasename($this->getExtensionSuffix())));
            }
        } catch (\Exception $e) {
            // log error
            $this->getInitialContext()->getSystemLogger()->error($e->__toString());
            // flag webapp as failed
            $this->flagArchive($archive, ExtractorInterface::FLAG_FAILED);
        }
    }