mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-28 21:46:10 +02:00
69 lines
1.5 KiB
PHP
69 lines
1.5 KiB
PHP
<?php
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/**
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* A class that proxies another, allowing various functionality to be
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* injected.
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*
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* @package framework
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* @subpackage injector
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*/
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class AopProxyService {
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public $beforeCall = array();
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public $afterCall = array();
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public $proxied;
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/**
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* Because we don't know exactly how the proxied class is usually called,
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* provide a default constructor
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*/
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public function __construct() {
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}
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public function __call($method, $args) {
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if (method_exists($this->proxied, $method)) {
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$continue = true;
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$result = null;
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if (isset($this->beforeCall[$method])) {
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$methods = $this->beforeCall[$method];
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if (!is_array($methods)) {
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$methods = array($methods);
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}
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foreach ($methods as $handler) {
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$alternateReturn = null;
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$proceed = $handler->beforeCall($this->proxied, $method, $args, $alternateReturn);
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if ($proceed === false) {
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$continue = false;
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// if something is set in, use it
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if ($alternateReturn) {
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$result = $alternateReturn;
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}
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}
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}
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}
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if ($continue) {
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$result = call_user_func_array(array($this->proxied, $method), $args);
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if (isset($this->afterCall[$method])) {
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$methods = $this->afterCall[$method];
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if (!is_array($methods)) {
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$methods = array($methods);
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}
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foreach ($methods as $handler) {
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$return = $handler->afterCall($this->proxied, $method, $args, $result);
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if (!is_null($return)) {
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$result = $return;
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}
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}
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}
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}
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return $result;
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}
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}
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}
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