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<?php |
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namespace Guzzle\Service\Builder; |
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use Guzzle\Service\AbstractConfigLoader; |
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use Guzzle\Service\Exception\ServiceNotFoundException; |
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/** |
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* Service builder config loader |
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*/ |
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class ServiceBuilderLoader extends AbstractConfigLoader |
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{ |
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protected function build($config, array $options) |
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{ |
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// A service builder class can be specified in the class field |
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$class = !empty($config['class']) ? $config['class'] : __NAMESPACE__ . '\\ServiceBuilder'; |
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// Account for old style configs that do not have a services array |
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$services = isset($config['services']) ? $config['services'] : $config; |
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// Validate the configuration and handle extensions |
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foreach ($services as $name => &$service) { |
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$service['params'] = isset($service['params']) ? $service['params'] : array(); |
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// Check if this client builder extends another client |
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if (!empty($service['extends'])) { |
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// Make sure that the service it's extending has been defined |
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if (!isset($services[$service['extends']])) { |
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throw new ServiceNotFoundException( |
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"{$name} is trying to extend a non-existent service: {$service['extends']}" |
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); |
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} |
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$extended = &$services[$service['extends']]; |
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// Use the correct class attribute |
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if (empty($service['class'])) { |
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$service['class'] = isset($extended['class']) ? $extended['class'] : ''; |
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} |
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if ($extendsParams = isset($extended['params']) ? $extended['params'] : false) { |
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$service['params'] = $service['params'] + $extendsParams; |
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} |
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} |
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// Overwrite default values with global parameter values |
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if (!empty($options)) { |
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$service['params'] = $options + $service['params']; |
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} |
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$service['class'] = isset($service['class']) ? $service['class'] : ''; |
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} |
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return new $class($services); |
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} |
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protected function mergeData(array $a, array $b) |
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{ |
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$result = $b + $a; |
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// Merge services using a recursive union of arrays |
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if (isset($a['services']) && $b['services']) { |
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// Get a union of the services of the two arrays |
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$result['services'] = $b['services'] + $a['services']; |
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// Merge each service in using a union of the two arrays |
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foreach ($result['services'] as $name => &$service) { |
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// By default, services completely override a previously defined service unless it extends itself |
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if (isset($a['services'][$name]['extends']) |
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&& isset($b['services'][$name]['extends']) |
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&& $b['services'][$name]['extends'] == $name |
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) { |
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$service += $a['services'][$name]; |
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// Use the `extends` attribute of the parent |
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$service['extends'] = $a['services'][$name]['extends']; |
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// Merge parameters using a union if both have parameters |
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if (isset($a['services'][$name]['params'])) { |
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$service['params'] += $a['services'][$name]['params']; |
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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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ForkNetwork /
guzzle3
