ilAdvancedMetaDataExporter Class Reference

Export class for adv md. More...

Inheritance diagram for ilAdvancedMetaDataExporter:

Collaboration diagram for ilAdvancedMetaDataExporter:

Public Member Functions
	init ()
	Initialisation. More...
	getXmlExportHeadDependencies ($a_entity, $a_target_release, $a_ids)
	Get head dependencies. More...
	getXmlExportTailDependencies ($a_entity, $a_target_release, $a_ids)
	Get tail dependencies. More...
	getXmlRepresentation ($a_entity, $a_schema_version, $a_id)
	Get xml representation. More...
	getValidSchemaVersions ($a_entity)
	Returns schema versions that the component can export to. More...
Public Member Functions inherited from ilXmlExporter
	__construct ()
	Constructor. More...
	getXmlRepresentation ($a_entity, $a_schema_version, $a_id)
	Get xml representation. More...
	init ()
	setExportDirectories ($a_dir_relative, $a_dir_absolute)
	Export directories. More...
	getRelativeExportDirectory ()
	Get relative export directory. More...
	getAbsoluteExportDirectory ()
	Get absolute export directory. More...
	getXmlExportHeadDependencies ($a_entity, $a_target_release, $a_ids)
	Get head dependencies. More...
	getXmlExportTailDependencies ($a_entity, $a_target_release, $a_ids)
	Get tail dependencies. More...
	getValidSchemaVersions ($a_entity)
	Returns schema versions that the component can export to. More...
	determineSchemaVersion ($a_entity, $a_target_release)
	Determine schema version. More...

Private Attributes
	$ds

Additional Inherited Members
Static Public Member Functions inherited from ilXmlExporter
static	lookupExportDirectory ($a_obj_type, $a_obj_id, $a_export_type='xml', $a_entity="")
	export directory lookup More...
Protected Attributes inherited from ilXmlExporter
	$dir_relative
	$dir_absolute

Detailed Description

Export class for adv md.

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

Id

Definition at line 13 of file class.ilAdvancedMetaDataExporter.php.

Member Function Documentation

getValidSchemaVersions()

ilAdvancedMetaDataExporter::getValidSchemaVersions

(

$a_entity

)

Returns schema versions that the component can export to.

ILIAS chooses the first one, that has min/max constraints which fit to the target release. Please put the newest on top.

Returns

Definition at line 147 of file class.ilAdvancedMetaDataExporter.php.

        {
                return array (
                        "4.4.0" => array(
                                "namespace" => "http://www.ilias.de/Services/AdvancedMetaData/advmd/4_4",
                                "xsd_file" => "ilias_advmd_4_4.xsd",
                                "uses_dataset" => true,
                                "min" => "4.4.0",
                                "max" => "")
                );
        }

getXmlExportHeadDependencies()

ilAdvancedMetaDataExporter::getXmlExportHeadDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

Get head dependencies.

Parameters

string	entity
string	target release
array	ids

Returns

array array of array with keys "component", entity", "ids"

Definition at line 33 of file class.ilAdvancedMetaDataExporter.php.

        {
                return array();
        }

getXmlExportTailDependencies()

ilAdvancedMetaDataExporter::getXmlExportTailDependencies	(		$a_entity,
			$a_target_release,
			$a_ids
	)

Get tail dependencies.

Parameters

string	entity
string	target release
array	ids

Returns

array array of array with keys "component", entity", "ids"

Definition at line 47 of file class.ilAdvancedMetaDataExporter.php.

        {
                return array();
        }

getXmlRepresentation()

ilAdvancedMetaDataExporter::getXmlRepresentation	(		$a_entity,
			$a_schema_version,
			$a_id
	)

Get xml representation.

Parameters

string	entity
string	schema version
string	id

Returns

string xml string

Definition at line 60 of file class.ilAdvancedMetaDataExporter.php.

References ilAdvancedMDValues\findByObjectId(), and ilXmlWriter\xmlStartTag().

        {               
                $parts = explode(":", $a_id);
                if(sizeof($parts) != 2)
                {
                        return;
                }
                $obj_id = $parts[0];
                $rec_id = $parts[1];
                
                // any data for current record and object?
                include_once('Services/AdvancedMetaData/classes/class.ilAdvancedMDValues.php');
                $raw = ilAdvancedMDValues::findByObjectId($obj_id);
                if(!$raw)
                {
                        return;
                }
                
                // gather sub-item data from value entries
                $sub_items = array();
                foreach($raw as $item)
                {
                        $sub_items[$item["sub_type"]][] = $item["sub_id"];
                }
                
                // gather all relevant data
                $items = array();
                foreach($sub_items as $sub_type => $sub_ids)
                {                                               
                        foreach(array_unique($sub_ids) as $sub_id)
                        {
                                $values_record = new ilAdvancedMDValues($rec_id, $obj_id, $sub_type, $sub_id);
                                $defs = $values_record->getDefinitions();                       
                                $values_record->read();
                                foreach($values_record->getADTGroup()->getElements() as $element_id => $element)
                                {                                       
                                        if(!$element->isNull())
                                        {
                                                $def = $defs[$element_id];                                                      
                                                $items[$rec_id][] =array(
                                                        'id' => $def->getImportId(),
                                                        'sub_type' => $sub_type,
                                                        'sub_id' => $sub_id,
                                                        'value' => $def->getValueForXML($element)
                                                );
                                        }                                       
                                }                               
                        }
                }
                
                // we only want non-empty fields
                if(sizeof($items))
                {                       
                        $xml = new ilXmlWriter; 
                        
                        foreach($items as $record_id => $record_items)
                        {
                                // no need to state record id here
                                $xml->xmlStartTag('AdvancedMetaData');
                
                                foreach($record_items as $item)
                                {
                                        $xml->xmlElement(
                                                'Value',
                                                array(
                                                        'id' => $item['id'],
                                                        'sub_type' => $item['sub_type'],
                                                        'sub_id' => $item['sub_id']
                                                ),
                                                $item['value']
                                        );
                                }
                                
                                $xml->xmlEndTag('AdvancedMetaData');    
                        }
                                                                        
                        return $xml->xmlDumpMem(false);
                }                                                               
        }       

Here is the call graph for this function:

init()

ilAdvancedMetaDataExporter::init

(

)

Initialisation.

Definition at line 20 of file class.ilAdvancedMetaDataExporter.php.

        {
                
        }

Field Documentation

$ds

ilAdvancedMetaDataExporter::$ds

private

Definition at line 15 of file class.ilAdvancedMetaDataExporter.php.

---

The documentation for this class was generated from the following file:

• Services/AdvancedMetaData/classes/class.ilAdvancedMetaDataExporter.php