Chris@14: <?php
Chris@14: /**
Chris@14:  * Copyright 2012-2017 Anthon Pang. All Rights Reserved.
Chris@14:  *
Chris@14:  * Licensed under the Apache License, Version 2.0 (the "License");
Chris@14:  * you may not use this file except in compliance with the License.
Chris@14:  * You may obtain a copy of the License at
Chris@14:  *
Chris@14:  *     http://www.apache.org/licenses/LICENSE-2.0
Chris@14:  *
Chris@14:  * Unless required by applicable law or agreed to in writing, software
Chris@14:  * distributed under the License is distributed on an "AS IS" BASIS,
Chris@14:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Chris@14:  * See the License for the specific language governing permissions and
Chris@14:  * limitations under the License.
Chris@14:  *
Chris@14:  * @package WebDriver
Chris@14:  *
Chris@14:  * @author Anthon Pang <apang@softwaredevelopment.ca>
Chris@14:  */
Chris@14: 
Chris@14: namespace WebDriver;
Chris@14: 
Chris@14: /**
Chris@14:  * WebDriver\ServiceFactory class
Chris@14:  *
Chris@14:  * A service factory
Chris@14:  *
Chris@14:  * @package WebDriver
Chris@14:  */
Chris@14: final class ServiceFactory
Chris@14: {
Chris@14:     /**
Chris@14:      * singleton
Chris@14:      *
Chris@14:      * @var \WebDriver\ServiceFactory
Chris@14:      */
Chris@14:     private static $instance;
Chris@14: 
Chris@14:     /**
Chris@14:      * @var array
Chris@14:      */
Chris@14:     protected $services;
Chris@14: 
Chris@14:     /**
Chris@14:      * @var array
Chris@14:      */
Chris@14:     protected $serviceClasses;
Chris@14: 
Chris@14:     /**
Chris@14:      * Private constructor
Chris@14:      */
Chris@14:     private function __construct()
Chris@14:     {
Chris@14:         $this->services = array();
Chris@14: 
Chris@14:         $this->serviceClasses = array(
Chris@14:             'service.curl' => '\\WebDriver\\Service\\CurlService',
Chris@14:         );
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Get singleton instance
Chris@14:      *
Chris@14:      * @return \WebDriver\ServiceFactory
Chris@14:      */
Chris@14:     public static function getInstance()
Chris@14:     {
Chris@14:         if (!self::$instance) {
Chris@14:             self::$instance = new self;
Chris@14:         }
Chris@14: 
Chris@14:         return self::$instance;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Get service
Chris@14:      *
Chris@14:      * @param string $serviceName Name of service
Chris@14:      *
Chris@14:      * @return object
Chris@14:      */
Chris@14:     public function getService($serviceName)
Chris@14:     {
Chris@14:         if (!isset($this->services[$serviceName])) {
Chris@14:             $className = $this->serviceClasses[$serviceName];
Chris@14: 
Chris@14:             $this->services[$serviceName] = new $className;
Chris@14:         }
Chris@14: 
Chris@14:         return $this->services[$serviceName];
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Set service
Chris@14:      *
Chris@14:      * @param string $serviceName Name of service
Chris@14:      * @param object $service     Service instance
Chris@14:      */
Chris@14:     public function setService($serviceName, $service)
Chris@14:     {
Chris@14:         $this->services[$serviceName] = $service;
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Override default service class
Chris@14:      *
Chris@14:      * @param string $serviceName Name of service
Chris@14:      * @param string $className   Name of service class
Chris@14:      */
Chris@14:     public function setServiceClass($serviceName, $className)
Chris@14:     {
Chris@14:         if (substr($className, 0, 1) !== '\\') {
Chris@14:             $className = '\\' . $className;
Chris@14:         }
Chris@14: 
Chris@14:         $this->serviceClasses[$serviceName] = $className;
Chris@14:         $this->services[$serviceName] = null;
Chris@14:     }
Chris@14: }