/**
     * Unserialize xml structure. Creates an object from xml input.
     *
     * Transaction unsafe. If you call several transaction unsafe methods you must enclose
     * the calls within a db transaction; thus within db->begin and db->commit.
     *
     * @param mixed $package
     * @param DOMElement $domNode
     * @param array $options
     * @param int|bool $ownerID Override owner ID, null to use XML owner id (optional)
     * @param string $handlerType
     * @return array|bool|eZContentObject|null created object, false if could not create object/xml invalid
     */
    static function unserialize( $package, $domNode, &$options, $ownerID = false, $handlerType = 'ezcontentobject' )
    {
        if ( $domNode->localName != 'object' )
        {
            $retValue = false;
            return $retValue;
        }

        $initialLanguage = eZContentObject::mapLanguage( $domNode->getAttribute( 'initial_language' ), $options );
        if( $initialLanguage === 'skip' )
        {
            $retValue = true;
            return $retValue;
        }

        $sectionID = $domNode->getAttributeNS( 'http://ez.no/ezobject', 'section_id' );
        if ( $ownerID === false )
        {
            $ownerID = $domNode->getAttributeNS( 'http://ez.no/ezobject', 'owner_id' );
        }
        $remoteID = $domNode->getAttribute( 'remote_id' );
        $name = $domNode->getAttribute( 'name' );
        $classRemoteID = $domNode->getAttribute( 'class_remote_id' );
        $classIdentifier = $domNode->getAttributeNS( 'http://ez.no/ezobject', 'class_identifier' );
        $alwaysAvailable = ( $domNode->getAttributeNS( 'http://ez.no/ezobject', 'always_available' ) == '1' );

        $contentClass = eZContentClass::fetchByRemoteID( $classRemoteID );
        if ( !$contentClass )
        {
            $contentClass = eZContentClass::fetchByIdentifier( $classIdentifier );
        }

        if ( !$contentClass )
        {
            $options['error'] = array( 'error_code' => self::PACKAGE_ERROR_NO_CLASS,
                                       'element_id' => $remoteID,
                                       'description' => "Can't install object '$name': Unable to fetch class with remoteID: $classRemoteID." );
            $retValue = false;
            return $retValue;
        }

        /** @var DOMElement $versionListNode */
        $versionListNode = $domNode->getElementsByTagName( 'version-list' )->item( 0 );

        $importedLanguages = array();
        foreach( $versionListNode->getElementsByTagName( 'version' ) as $versionDOMNode )
        {
            /** @var DOMElement $versionDOMNode */
            foreach ( $versionDOMNode->getElementsByTagName( 'object-translation' ) as $versionDOMNodeChild )
            {
                /** @var DOMElement $versionDOMNodeChild */
                $importedLanguage = eZContentObject::mapLanguage( $versionDOMNodeChild->getAttribute( 'language' ), $options );
                $language = eZContentLanguage::fetchByLocale( $importedLanguage );
                // Check if the language is allowed in this setup.
                if ( $language )
                {
                    $hasTranslation = true;
                }
                else
                {
                    if ( $importedLanguage == 'skip' )
                        continue;

                    // if there is no needed translation in system then add it
                    $locale = eZLocale::instance( $importedLanguage );
                    $translationName = $locale->internationalLanguageName();
                    $translationLocale = $locale->localeCode();

                    if ( $locale->isValid() )
                    {
                        eZContentLanguage::addLanguage( $locale->localeCode(), $locale->internationalLanguageName() );
                        $hasTranslation = true;
                    }
                    else
                        $hasTranslation = false;
                }
                if ( $hasTranslation )
                {
                    $importedLanguages[] = $importedLanguage;
                    $importedLanguages = array_unique( $importedLanguages );
                }
            }
        }

        // If object exists we return a error.
        // Minimum install element is an object now.

        $contentObject = eZContentObject::fetchByRemoteID( $remoteID );
        // Figure out initial language
        if ( !$initialLanguage ||
             !in_array( $initialLanguage, $importedLanguages ) )
        {
            $initialLanguage = false;
            foreach ( eZContentLanguage::prioritizedLanguages() as $language )
            {
                if ( in_array( $language->attribute( 'locale' ), $importedLanguages ) )
                {
                    $initialLanguage = $language->attribute( 'locale' );
                    break;
                }
            }
        }
        if ( !$contentObject )
        {
            $firstVersion = true;
            $contentObject = $contentClass->instantiateIn( $initialLanguage, $ownerID, $sectionID );
        }
        else
        {
            $firstVersion = false;
            $description = "Object '$name' already exists.";

            $choosenAction = eZPackageHandler::errorChoosenAction( self::PACKAGE_ERROR_EXISTS,
                                                                   $options, $description, $handlerType, false );

            switch( $choosenAction )
            {
                case eZPackage::NON_INTERACTIVE:
                case self::PACKAGE_UPDATE:
                {
                    // Keep existing contentobject.
                } break;

                case self::PACKAGE_REPLACE:
                {
                    eZContentObjectOperations::remove( $contentObject->attribute( 'id' ) );

                    unset( $contentObject );
                    $contentObject = $contentClass->instantiateIn( $initialLanguage, $ownerID, $sectionID );
                    $firstVersion = true;
                } break;

                case self::PACKAGE_SKIP:
                {
                    $retValue = true;
                    return $retValue;
                } break;

                case self::PACKAGE_NEW:
                {
                    $contentObject->setAttribute( 'remote_id', eZRemoteIdUtility::generate( 'object' ) );
                    $contentObject->store();
                    unset( $contentObject );
                    $contentObject = $contentClass->instantiateIn( $initialLanguage, $ownerID, $sectionID );
                    $firstVersion = true;
                } break;

                default:
                {
                    $options['error'] = array( 'error_code' => self::PACKAGE_ERROR_EXISTS,
                                               'element_id' => $remoteID,
                                               'description' => $description,
                                               'actions' => array( self::PACKAGE_REPLACE => ezpI18n::tr( 'kernel/classes', 'Replace existing object' ),
                                                                   self::PACKAGE_SKIP    => ezpI18n::tr( 'kernel/classes', 'Skip object' ),
                                                                   self::PACKAGE_NEW     => ezpI18n::tr( 'kernel/classes', 'Keep existing and create a new one' ),
                                                                   self::PACKAGE_UPDATE  => ezpI18n::tr( 'kernel/classes', 'Update existing object' ) ) );
                    $retValue = false;
                    return $retValue;
                } break;
            }
        }

        $db = eZDB::instance();
        $db->begin();

        if ( $alwaysAvailable )
        {
            // Make sure always available bit is set.
            $contentObject->setAttribute( 'language_mask', (int)$contentObject->attribute( 'language_mask' ) | 1 );
        }

        $contentObject->setAttribute( 'section_id', $sectionID );
        $contentObject->store();
        $activeVersion = false;
        $lastVersion = false;
        $versionListActiveVersion = $versionListNode->getAttribute( 'active_version' );

        $contentObject->setAttribute( 'remote_id', $remoteID );
        $contentObject->setAttribute( 'contentclass_id', $contentClass->attribute( 'id' ) );
        $contentObject->store();

        $sectionObject = eZSection::fetch( $sectionID );
        if ( $sectionObject instanceof eZSection )
        {
            $updateWithParentSection = false;
        }
        else
        {
            $updateWithParentSection = true;
        }

        $options['language_array'] = $importedLanguages;
        $versionList = array();
        foreach( $versionListNode->getElementsByTagName( 'version' ) as $versionDOMNode )
        {
            unset( $nodeList );
            $nodeList = array();
            $contentObjectVersion = eZContentObjectVersion::unserialize( $versionDOMNode,
                                                                         $contentObject,
                                                                         $ownerID,
                                                                         $sectionID,
                                                                         $versionListActiveVersion,
                                                                         $firstVersion,
                                                                         $nodeList,
                                                                         $options,
                                                                         $package,
                                                                         'ezcontentobject',
                                                                         $initialLanguage );

            if ( !$contentObjectVersion )
            {
                $db->commit();

                $retValue = false;
                return $retValue;
            }

            $versionStatus = $versionDOMNode->getAttributeNS( 'http://ez.no/ezobject', 'status' );
            $versionList[$versionDOMNode->getAttributeNS( 'http://ez.no/ezobject', 'version' )] = array( 'node_list' => $nodeList,
                                                                                                         'status' =>    $versionStatus );
            unset( $versionStatus );

            $firstVersion = false;
            $lastVersion = $contentObjectVersion->attribute( 'version' );
            if ( $versionDOMNode->getAttribute( 'version' ) == $versionListActiveVersion )
            {
                $activeVersion = $contentObjectVersion->attribute( 'version' );
            }
            eZNodeAssignment::setNewMainAssignment( $contentObject->attribute( 'id' ), $lastVersion );

            eZOperationHandler::execute( 'content', 'publish', array( 'object_id' => $contentObject->attribute( 'id' ),
                                                                      'version' => $lastVersion ) );

            $mainNodeInfo = null;
            foreach ( $nodeList as $nodeInfo )
            {
                if ( $nodeInfo['is_main'] )
                {
                    $mainNodeInfo =& $nodeInfo;
                    break;
                }
            }
            if ( $mainNodeInfo )
            {
                $existingMainNode = eZContentObjectTreeNode::fetchByRemoteID( $mainNodeInfo['parent_remote_id'], false );
                if ( $existingMainNode )
                {
                    eZContentObjectTreeNode::updateMainNodeID( $existingMainNode['node_id'],
                                                               $mainNodeInfo['contentobject_id'],
                                                               $mainNodeInfo['contentobject_version'],
                                                               $mainNodeInfo['parent_node'],
                                                               $updateWithParentSection );
                }
            }
            unset( $mainNodeInfo );
            // Refresh $contentObject from DB.
            $contentObject = eZContentObject::fetch( $contentObject->attribute( 'id' ) );
        }
        if ( !$activeVersion )
        {
            $activeVersion = $lastVersion;
        }

        /*
        $contentObject->setAttribute( 'current_version', $activeVersion );
        */
        $contentObject->setAttribute( 'name', $name );
        if ( isset( $options['use_dates_from_package'] ) && $options['use_dates_from_package'] )
        {
            $contentObject->setAttribute( 'published', eZDateUtils::textToDate( $domNode->getAttributeNS( 'http://ez.no/ezobject', 'published' ) ) );
            $contentObject->setAttribute( 'modified', eZDateUtils::textToDate( $domNode->getAttributeNS( 'http://ez.no/ezobject', 'modified' ) ) );
        }
        $contentObject->store();

        $versions   = $contentObject->versions();
        $objectName = $contentObject->name();
        $objectID   = $contentObject->attribute( 'id' );
        foreach ( $versions as $version )
        {
            $versionNum       = $version->attribute( 'version' );
            $oldVersionStatus = $version->attribute( 'status' );
            $newVersionStatus = isset( $versionList[$versionNum] ) ? $versionList[$versionNum]['status'] : null;

            // set the correct status for non-published versions
            if ( isset( $newVersionStatus ) && $oldVersionStatus != $newVersionStatus && $newVersionStatus != eZContentObjectVersion::STATUS_PUBLISHED )
            {
                $version->setAttribute( 'status', $newVersionStatus );
                $version->store( array( 'status' ) );
            }

            // when translation does not have object name set then we copy object name from the current object version
            $translations = $version->translations( false );
            if ( !$translations )
                continue;
            foreach ( $translations as $translation )
            {
                if ( ! $contentObject->name( $versionNum, $translation ) )
                {
                    eZDebug::writeNotice( "Setting name '$objectName' for version ($versionNum) of the content object ($objectID) in language($translation)" );
                    $contentObject->setName( $objectName, $versionNum, $translation );
                }
            }
        }

        foreach ( $versionList[$versionListActiveVersion]['node_list'] as $nodeInfo )
        {
            unset( $parentNode );
            $parentNode = eZContentObjectTreeNode::fetchNode( $contentObject->attribute( 'id' ),
                                                               $nodeInfo['parent_node'] );
            if ( is_object( $parentNode ) )
            {
                $parentNode->setAttribute( 'priority', $nodeInfo['priority'] );
                $parentNode->store( array( 'priority' ) );
            }
        }

        $db->commit();

        return $contentObject;
    }
 static function unserialize($contentNodeDOMNode, $contentObject, $version, $isMain, &$nodeList, &$options, $handlerType = 'ezcontentobject')
 {
     $parentNodeID = -1;
     $remoteID = $contentNodeDOMNode->getAttribute('remote-id');
     $parentNodeRemoteID = $contentNodeDOMNode->getAttribute('parent-node-remote-id');
     $node = eZContentObjectTreeNode::fetchByRemoteID($remoteID);
     if (is_object($node)) {
         $description = "Node with remote ID {$remoteID} already exists.";
         $choosenAction = eZPackageHandler::errorChoosenAction(eZContentObject::PACKAGE_ERROR_EXISTS, $options, $description, $handlerType, false);
         switch ($choosenAction) {
             // In case user have choosen "Keep existing object and create new"
             case eZContentObject::PACKAGE_NEW:
                 $newRemoteID = eZRemoteIdUtility::generate('node');
                 $node->setAttribute('remote_id', $newRemoteID);
                 $node->store();
                 $nodeInfo = array('contentobject_id' => $node->attribute('contentobject_id'), 'contentobject_version' => $node->attribute('contentobject_version'), 'parent_remote_id' => $remoteID);
                 $nodeAssignment = eZPersistentObject::fetchObject(eZNodeAssignment::definition(), null, $nodeInfo);
                 if (is_object($nodeAssignment)) {
                     $nodeAssignment->setAttribute('parent_remote_id', $newRemoteID);
                     $nodeAssignment->store();
                 }
                 break;
                 // When running non-interactively with ezpm.php
             // When running non-interactively with ezpm.php
             case eZPackage::NON_INTERACTIVE:
             case eZContentObject::PACKAGE_UPDATE:
                 // Update existing node settigns.
                 if (!$parentNodeRemoteID) {
                     // when top node of subtree export, only update node sort field and sort order
                     $node->setAttribute('sort_field', eZContentObjectTreeNode::sortFieldID($contentNodeDOMNode->getAttribute('sort-field')));
                     $node->setAttribute('sort_order', $contentNodeDOMNode->getAttribute('sort-order'));
                     $node->store();
                     return true;
                 }
                 break;
             default:
                 // This error may occur only if data integrity is broken
                 $options['error'] = array('error_code' => eZContentObject::PACKAGE_ERROR_NODE_EXISTS, 'element_id' => $remoteID, 'description' => $description);
                 return false;
                 break;
         }
     }
     if ($parentNodeRemoteID) {
         $parentNode = eZContentObjectTreeNode::fetchByRemoteID($parentNodeRemoteID);
         if ($parentNode !== null) {
             $parentNodeID = $parentNode->attribute('node_id');
         }
     } else {
         if (isset($options['top_nodes_map'][$contentNodeDOMNode->getAttribute('node-id')]['new_node_id'])) {
             $parentNodeID = $options['top_nodes_map'][$contentNodeDOMNode->getAttribute('node-id')]['new_node_id'];
         } else {
             if (isset($options['top_nodes_map']['*'])) {
                 $parentNodeID = $options['top_nodes_map']['*'];
             } else {
                 eZDebug::writeError('New parent node not set ' . $contentNodeDOMNode->getAttribute('name'), __METHOD__);
             }
         }
     }
     $isMain = $isMain && $contentNodeDOMNode->getAttribute('is-main-node');
     $nodeInfo = array('contentobject_id' => $contentObject->attribute('id'), 'contentobject_version' => $version, 'is_main' => $isMain, 'parent_node' => $parentNodeID, 'parent_remote_id' => $remoteID, 'sort_field' => eZContentObjectTreeNode::sortFieldID($contentNodeDOMNode->getAttribute('sort-field')), 'sort_order' => $contentNodeDOMNode->getAttribute('sort-order'));
     if ($parentNodeID == -1 && $parentNodeRemoteID) {
         if (!isset($options['suspended-nodes'])) {
             $options['suspended-nodes'] = array();
         }
         $options['suspended-nodes'][$parentNodeRemoteID] = array('nodeinfo' => $nodeInfo, 'priority' => $contentNodeDOMNode->getAttribute('priority'));
         return true;
     }
     $existNodeAssignment = eZPersistentObject::fetchObject(eZNodeAssignment::definition(), null, $nodeInfo);
     $nodeInfo['priority'] = $contentNodeDOMNode->getAttribute('priority');
     if (!is_object($existNodeAssignment)) {
         $nodeAssignment = eZNodeAssignment::create($nodeInfo);
         $nodeList[] = $nodeInfo;
         $nodeAssignment->store();
     }
     return true;
 }
 function __construct()
 {
     parent::__construct('eziniaddon', array('extract-install-content' => true));
 }
 function __construct()
 {
     parent::__construct('ezfile');
 }
 function __construct()
 {
     parent::__construct('ezinstallscript', array('extract-install-content' => false));
 }
 function __construct()
 {
     parent::__construct('ezcontentobject', array('extract-install-content' => true));
 }
 function __construct()
 {
     parent::__construct('ezdb');
 }