FM / Base

/opt/alt/php55/usr/share/pear/ezc/Base

Name	Size	Mode	Actions
exceptions/	-	0755	rm
interfaces/	-	0755	rm
metadata/	-	0755	rm
options/	-	0755	rm
structs/	-	0755	rm
base.php	22216	0644	edit dl rm
base_autoload.php	3150	0644	edit dl rm
ezc_bootstrap.php	1148	0644	edit dl rm
features.php	11162	0644	edit dl rm
file.php	17745	0644	edit dl rm
init.php	4171	0644	edit dl rm
metadata.php	3508	0644	edit dl rm
options.php	5357	0644	edit dl rm
struct.php	820	0644	edit dl rm

Edit: /opt/alt/php55/usr/share/pear/ezc/Base/init.php (4171B)

<?php
/**
 * File containing the ezcBaseInit class.
 *
 * @package Base
 * @version 1.8
 * @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved.
 * @license http://ez.no/licenses/new_bsd New BSD License
 */
/**
 * Provides a method to implement delayed initialization of objects.
 *
 * With the methods in this class you can implement callbacks to configure
 * singleton classes. In order to do so you will have to change the
 * getInstance() method of your singleton class to include a call to
 * ezcBaseInit::fetchConfig() as in the following example:
 *
 * <code>
 * <?php
 * public static function getInstance()
 * {
 *     if ( is_null( self::$instance ) )
 *     {
 *         self::$instance = new ezcConfigurationmanager();
 *         ezcBaseInit::fetchConfig( 'ezcInitConfigurationManager', self::$instance );
 *     }
 *     return self::$instance;
 * }
 * ?>
 * </code>
 *
 * You will also need to configure which callback class to call. This you do
 * with the ezcBaseInit::setCallback() method. The following examples sets the
 * callback classname for the configuration identifier
 * 'ezcInitConfigurationManager' to 'cfgConfigurationManager':
 *
 * <code>
 * <?php
 * ezcBaseInit::setCallback( 'ezcInitConfigurationManager', 'cfgConfigurationManager' );
 * ?>
 * </code>
 *
 * The class 'cfgConfigurationManager' is required to implement the
 * ezcBaseConfigurationInitializer interface, which defines only one method:
 * configureObject(). An example on how to implement such a class could be:
 *
 * <code>
 * <?php
 * class cfgConfigurationManager implements ezcBaseConfigurationInitializer
 * {
 *     static public function configureObject( ezcConfigurationManager $cfgManagerObject )
 *     {
 *         $cfgManagerObject->init( 'ezcConfigurationIniReader', 'settings', array( 'useComments' => true ) );
 *     }
 * }
 * ?>
 * </code>
 *
 * Of course the implementation of this callback class is up to the application
 * developer that uses the component (in this example the Configuration
 * component's class ezcConfigurationManager).
 *
 * @package Base
 * @version 1.8
 */
class ezcBaseInit
{
    /**
     * Contains the callback where the identifier is the key of the array, and the classname to callback to the value.
     *
     * @var array(string=>string)
     */
    static private $callbackMap = array();

/**
     * Adds the classname $callbackClassname as callback for the identifier $identifier.
     *
     * @param string $identifier
     * @param string $callbackClassname
     */
    public static function setCallback( $identifier, $callbackClassname )
    {
        if ( array_key_exists( $identifier, self::$callbackMap ) )
        {
            throw new ezcBaseInitCallbackConfiguredException( $identifier, self::$callbackMap[$identifier] );
        }
        else
        {
            // Check if the passed classname actually exists
            if ( !ezcBaseFeatures::classExists( $callbackClassname, true ) )
            {
                throw new ezcBaseInitInvalidCallbackClassException( $callbackClassname );
            }

// Check if the passed classname actually implements the interface.
            if ( !in_array( 'ezcBaseConfigurationInitializer', class_implements( $callbackClassname ) ) )
            {
                throw new ezcBaseInitInvalidCallbackClassException( $callbackClassname );
            }

self::$callbackMap[$identifier] = $callbackClassname;
        }
    }

/**
     * Uses the configured callback belonging to $identifier to configure the $object.
     *
     * The method will return the return value of the callback method, or null
     * in case there was no callback set for the specified $identifier.
     *
     * @param string $identifier
     * @param object $object
     * @return mixed
     */
    public static function fetchConfig( $identifier, $object )
    {
        if ( isset( self::$callbackMap[$identifier] ) )
        {
            $callbackClassname = self::$callbackMap[$identifier];
            return call_user_func( array( $callbackClassname, 'configureObject' ), $object );
        }
        return null;
    }
}
?>

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