protected function execute(InputInterface $input, OutputInterface $output)
    {
        // Parse arguments
        $objectIdentities = array();
        $maskBuilder = new MaskBuilder();
        foreach ($input->getArgument('arguments') as $argument) {
            $data = explode(':', $argument, 2);

            if (count($data) > 1) {
                $objectIdentities[] = new ObjectIdentity($data[1], strtr($data[0], '/', '\\'));
            } else {
                $maskBuilder->add($data[0]);
            }
        }

        // Build permissions mask
        $mask = $maskBuilder->get();

        $userOption = $input->getOption('user');
        $roleOption = $input->getOption('role');
        $classScopeOption = $input->getOption('class-scope');

        if (empty($userOption) && empty($roleOption)) {
            throw new \InvalidArgumentException('A Role or a User must be specified.');
        }

        // Create security identities
        $securityIdentities = array();

        if ($userOption) {
            foreach ($userOption as $user) {
                $data = explode(':', $user, 2);

                if (1 === count($data)) {
                    throw new \InvalidArgumentException('The user must follow the format "Acme/MyUser:username".');
                }

                $securityIdentities[] = new UserSecurityIdentity($data[1], strtr($data[0], '/', '\\'));
            }
        }

        if ($roleOption) {
            foreach ($roleOption as $role) {
                $securityIdentities[] = new RoleSecurityIdentity($role);
            }
        }

        // Sets ACL
        foreach ($objectIdentities as $objectIdentity) {
            // Creates a new ACL if it does not already exist
            try {
                $this->provider->createAcl($objectIdentity);
            } catch (AclAlreadyExistsException $e) {
            }

            $acl = $this->provider->findAcl($objectIdentity, $securityIdentities);

            foreach ($securityIdentities as $securityIdentity) {
                if ($classScopeOption) {
                    $acl->insertClassAce($securityIdentity, $mask);
                } else {
                    $acl->insertObjectAce($securityIdentity, $mask);
                }
            }

            $this->provider->updateAcl($acl);
        }
    }
protected function execute(InputInterface $input, OutputInterface $output)
    {
        // Parse arguments
        $objectIdentities = array();
        $maskBuilder = new MaskBuilder();
        foreach ($input->getArgument('arguments') as $argument) {
            $data = explode(':', $argument, 2);

            if (count($data) > 1) {
                $objectIdentities[] = new ObjectIdentity($data[1], strtr($data[0], '/', '\\'));
            } else {
                $maskBuilder->add($data[0]);
            }
        }

        // Build permissions mask
        $mask = $maskBuilder->get();

        $userOption = $input->getOption('user');
        $roleOption = $input->getOption('role');
        $classScopeOption = $input->getOption('class-scope');

        if (empty($userOption) && empty($roleOption)) {
            throw new \InvalidArgumentException('A Role or a User must be specified.');
        }

        // Create security identities
        $securityIdentities = array();

        if ($userOption) {
            foreach ($userOption as $user) {
                $data = explode(':', $user, 2);

                if (1 === count($data)) {
                    throw new \InvalidArgumentException('The user must follow the format "Acme/MyUser:username".');
                }

                $securityIdentities[] = new UserSecurityIdentity($data[1], strtr($data[0], '/', '\\'));
            }
        }

        if ($roleOption) {
            foreach ($roleOption as $role) {
                $securityIdentities[] = new RoleSecurityIdentity($role);
            }
        }

        // Sets ACL
        foreach ($objectIdentities as $objectIdentity) {
            // Creates a new ACL if it does not already exist
            try {
                $this->provider->createAcl($objectIdentity);
            } catch (AclAlreadyExistsException $e) {
            }

            $acl = $this->provider->findAcl($objectIdentity, $securityIdentities);

            foreach ($securityIdentities as $securityIdentity) {
                if ($classScopeOption) {
                    $acl->insertClassAce($securityIdentity, $mask);
                } else {
                    $acl->insertObjectAce($securityIdentity, $mask);
                }
            }

            $this->provider->updateAcl($acl);
        }
    }
{@inheritdoc}