Differential D20980 Diff 49996 src/error/PhutilAggregateException.php

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				<?php

				/**
				* Exception that aggregates other exceptions into a single exception. For
				* example, if you have several objects which can perform a task and just want
				* at least one of them to succeed, you can do something like this:
				*
				* $exceptions = array();
				* $success = false;
				* foreach ($engines as $engine) {
				* try {
				* $engine->doSomething();
				* $success = true;
				* break;
				* } catch (Exception $ex) {
				* $exceptions[get_class($engine)] = $ex;
				* }
				* }
				*
				* if (!$success) {
				* throw new PhutilAggregateException("All engines failed:", $exceptions);
				* }
				*
				* @concrete-extensible
				*/
				class PhutilAggregateException extends Exception {

				private $exceptions = array();

				public function __construct($message, array $other_exceptions) {
				// We don't call assert_instances_of($other_exceptions, 'Exception') to not
				// throw another exception in this exception.

				$this->exceptions = $other_exceptions;

				$full_message = array();
				$full_message[] = $message;
				foreach ($other_exceptions as $key => $exception) {
				$ex_message =
				(is_string($key) ? $key.': ' : '').
				get_class($exception).': '.
				$exception->getMessage();
				$ex_message = ' - '.str_replace("\n", "\n ", $ex_message);

				$full_message[] = $ex_message;
				}

				parent::__construct(implode("\n", $full_message), count($other_exceptions));
				}

				public function getExceptions() {
				return $this->exceptions;
				}

				}