/usr/share/php/Horde/Kolab/Server/Object/Base.php is in php-horde-kolab-server 2.0.5-1ubuntu1.
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/**
* The base class representing Kolab objects stored in the server
* database.
*
* PHP version 5
*
* @category Kolab
* @package Kolab_Server
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Server
*/
/**
* This class provides methods to deal with Kolab objects stored in
* the Kolab db.
*
* Copyright 2008-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Kolab
* @package Kolab_Server
* @author Gunnar Wrobel <wrobel@pardus.de>
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @link http://pear.horde.org/index.php?package=Kolab_Server
*/
abstract class Horde_Kolab_Server_Object_Base
implements Horde_Kolab_Server_Object_Interface
{
/**
* Link to the Kolab server.
*
* @var Horde_Kolab_Server_Composite
*/
private $_composite;
/**
* GUID of this object on the Kolab server.
*
* @var string
*/
protected $guid;
/**
* Initialize the Kolab Object. Provide either the GUID
*
* @param Horde_Kolab_Server_Composite $composite The link to the Kolab server.
* @param string $guid GUID of the object.
*/
public function __construct(
Horde_Kolab_Server_Composite $composite,
$guid = null
) {
$this->_composite = $composite;
$this->guid = $guid;
}
/**
* Get the GUID of this object
*
* @return string the GUID of this object
*/
public function getGuid()
{
if ($this->guid === null) {
throw new Horde_Kolab_Server_Exception(
'Uninitialized object is missing GUID!'
);
}
return $this->guid;
}
/**
* Get the external attributes supported by this object.
*
* @return array The external attributes supported by this object. This is a
* list of abbreviated attribute class names.
*/
public function getExternalAttributes()
{
return $this->_composite->structure->getExternalAttributes($this);
}
/**
* Get the internal attributes supported by this object.
*
* @return array The internal attributes supported by this object.
*/
public function getInternalAttributes()
{
return $this->_composite->structure->getInternalAttributes($this);
}
/**
* Does the object exist?
*
* @return boolean True if the object exists, false otherwise.
*/
public function exists()
{
try {
$this->readInternal();
return true;
} catch (Horde_Kolab_Server_Exception $e) {
return false;
}
}
/**
* Read the object data.
*
* @return array The read data.
*/
public function readInternal()
{
return $this->_composite->server->readAttributes(
$this->getGuid(), $this->getInternalAttributes()
);
}
/**
* Get the specified internal attributes.
*
* @param array $attributes The internal attribute.
*
* @return array The value(s) of these attribute
*/
public function getInternal(array $attributes)
{
$result = $this->readInternal();
$values = array();
foreach ($attributes as $attribute) {
if (!isset($result[$attribute])) {
throw new Horde_Kolab_Server_Exception_Novalue(
sprintf(
"No value for attribute \"%s\"!",
$attribute
)
);
}
$values[$attribute] = $result[$attribute];
}
return $values;
}
/**
* Get the specified attribute of this object.
*
* @param string $attr The attribute to read.
*
* @return mixed The value of this attribute.
*/
public function getExternal($attr)
{
if (!in_array($attr, $this->getExternalAttributes())) {
throw new Horde_Kolab_Server_Exception(
sprintf("Attribute \"%s\" not supported!", $attr)
);
}
$attribute = $this->_composite->structure->getExternalAttribute(
$attr, $this
);
return $attribute->value();
}
/**
* Saves object information. This may either create a new entry or modify an
* existing entry.
*
* Please note that fields with multiple allowed values require the callee
* to provide the full set of values for the field. Any old values that are
* not resubmitted will be considered to be deleted.
*
* @param array $info The information about the object.
*
* @return NULL
*
* @throws Horde_Kolab_Server_Exception If saving the data failed.
*/
public function save(array $info)
{
/** Handle all class specific transformations of the provided data */
$this->prepareObjectInformation($info);
$internal = $this->getNewInternal($info);
$guid = $this->_composite->structure->generateServerGuid(
get_class($this), $this->generateId($internal), $internal
);
if ($this->exists()) {
if ($guid != $this->guid) {
$this->_composite->server->rename($this->guid, $guid);
$this->guid = $guid;
}
$result = $this->_composite->server->save($this, $internal);
} else {
$this->guid = $guid;
$this->_composite->server->add($this, $internal);
}
}
/**
* Transform the given data array into the new internal dataset.
*
* @param array $info The information about the object.
*
* @return NULL
*
* @throws Horde_Kolab_Server_Exception If transforming the data failed.
*/
protected function getNewInternal($info)
{
$internal = array();
foreach ($info as $external => $value) {
$attribute = $this->_composite->structure->getExternalAttribute(
$external, $this
);
$internal = array_merge($internal, $attribute->update($info));
}
return $internal;
}
/**
* Delete this object.
*
* @return NULL
*
* @throws Horde_Kolab_Server_Exception If deleting the object failed.
*/
public function delete()
{
$this->_composite->server->delete($this->getGuid());
}
}
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