99 lines
2.9 KiB
PHP
99 lines
2.9 KiB
PHP
<?php
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/**
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* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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namespace Aws\Common\Waiter;
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use Aws\Common\Exception\InvalidArgumentException;
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use Guzzle\Inflection\Inflector;
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use Guzzle\Inflection\InflectorInterface;
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/**
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* Factory for creating {@see WaiterInterface} objects using a configuration DSL.
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*/
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class WaiterConfigFactory implements WaiterFactoryInterface
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{
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/**
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* @var array Configuration directives
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*/
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protected $config;
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/**
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* @var InflectorInterface Inflector used to inflect class names
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*/
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protected $inflector;
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/**
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* @param array $config Array of configuration directives
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* @param InflectorInterface $inflector Inflector used to resolve class names
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*/
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public function __construct(
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array $config,
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InflectorInterface $inflector = null
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) {
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$this->config = $config;
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$this->inflector = $inflector ?: Inflector::getDefault();
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}
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/**
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* {@inheritdoc}
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*/
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public function build($waiter)
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{
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return new ConfigResourceWaiter($this->getWaiterConfig($waiter));
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}
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/**
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* {@inheritdoc}
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*/
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public function canBuild($waiter)
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{
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return isset($this->config[$waiter]) || isset($this->config[$this->inflector->camel($waiter)]);
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}
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/**
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* Get waiter configuration data, taking __default__ and extensions into account
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*
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* @param string $name Waiter name
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*
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* @return WaiterConfig
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* @throws InvalidArgumentException
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*/
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protected function getWaiterConfig($name)
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{
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if (!$this->canBuild($name)) {
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throw new InvalidArgumentException('No waiter found matching "' . $name . '"');
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}
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// inflect the name if needed
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$name = isset($this->config[$name]) ? $name : $this->inflector->camel($name);
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$waiter = new WaiterConfig($this->config[$name]);
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$waiter['name'] = $name;
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// Always use __default__ as the basis if it's set
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if (isset($this->config['__default__'])) {
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$parentWaiter = new WaiterConfig($this->config['__default__']);
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$waiter = $parentWaiter->overwriteWith($waiter);
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}
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// Allow for configuration extensions
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if (isset($this->config[$name]['extends'])) {
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$waiter = $this->getWaiterConfig($this->config[$name]['extends'])->overwriteWith($waiter);
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}
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return $waiter;
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}
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}
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