joomla_test/libraries/joomla/object/object.php
2020-01-02 22:20:31 +07:00

240 lines
4.9 KiB
PHP

<?php
/**
* @package Joomla.Platform
* @subpackage Object
*
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Joomla Platform Object Class
*
* This class allows for simple but smart objects with get and set methods
* and an internal error handler.
*
* @package Joomla.Platform
* @subpackage Object
* @since 11.1
*/
class JObject
{
/**
* An array of error messages or Exception objects.
*
* @var array
* @since 11.1
* @see JError
* @deprecated 12.3 JError has been deprecated
*/
protected $_errors = array();
/**
* Class constructor, overridden in descendant classes.
*
* @param mixed $properties Either and associative array or another
* object to set the initial properties of the object.
*
* @since 11.1
*/
public function __construct($properties = null)
{
if ($properties !== null)
{
$this->setProperties($properties);
}
}
/**
* Magic method to convert the object to a string gracefully.
*
* @return string The classname.
*
* @since 11.1
* @deprecated 12.3 Classes should provide their own __toString() implementation.
*/
public function __toString()
{
return get_class($this);
}
/**
* Sets a default value if not alreay assigned
*
* @param string $property The name of the property.
* @param mixed $default The default value.
*
* @return mixed
*
* @since 11.1
*/
public function def($property, $default = null)
{
$value = $this->get($property, $default);
return $this->set($property, $value);
}
/**
* Returns a property of the object or the default value if the property is not set.
*
* @param string $property The name of the property.
* @param mixed $default The default value.
*
* @return mixed The value of the property.
*
* @since 11.1
*
* @see getProperties()
*/
public function get($property, $default = null)
{
if (isset($this->$property))
{
return $this->$property;
}
return $default;
}
/**
* Returns an associative array of object properties.
*
* @param boolean $public If true, returns only the public properties.
*
* @return array
*
* @since 11.1
*
* @see get()
*/
public function getProperties($public = true)
{
$vars = get_object_vars($this);
if ($public)
{
foreach ($vars as $key => $value)
{
if ('_' == substr($key, 0, 1))
{
unset($vars[$key]);
}
}
}
return $vars;
}
/**
* Get the most recent error message.
*
* @param integer $i Option error index.
* @param boolean $toString Indicates if JError objects should return their error message.
*
* @return string Error message
*
* @since 11.1
* @see JError
* @deprecated 12.3 JError has been deprecated
*/
public function getError($i = null, $toString = true)
{
// Find the error
if ($i === null)
{
// Default, return the last message
$error = end($this->_errors);
}
elseif (!array_key_exists($i, $this->_errors))
{
// If $i has been specified but does not exist, return false
return false;
}
else
{
$error = $this->_errors[$i];
}
// Check if only the string is requested
if ($error instanceof Exception && $toString)
{
return (string) $error;
}
return $error;
}
/**
* Return all errors, if any.
*
* @return array Array of error messages or JErrors.
*
* @since 11.1
* @see JError
* @deprecated 12.3 JError has been deprecated
*/
public function getErrors()
{
return $this->_errors;
}
/**
* Modifies a property of the object, creating it if it does not already exist.
*
* @param string $property The name of the property.
* @param mixed $value The value of the property to set.
*
* @return mixed Previous value of the property.
*
* @since 11.1
*/
public function set($property, $value = null)
{
$previous = isset($this->$property) ? $this->$property : null;
$this->$property = $value;
return $previous;
}
/**
* Set the object properties based on a named array/hash.
*
* @param mixed $properties Either an associative array or another object.
*
* @return boolean
*
* @since 11.1
*
* @see set()
*/
public function setProperties($properties)
{
if (is_array($properties) || is_object($properties))
{
foreach ((array) $properties as $k => $v)
{
// Use the set function which might be overridden.
$this->set($k, $v);
}
return true;
}
return false;
}
/**
* Add an error message.
*
* @param string $error Error message.
*
* @return void
*
* @since 11.1
* @see JError
* @deprecated 12.3 JError has been deprecated
*/
public function setError($error)
{
array_push($this->_errors, $error);
}
}