ConduitFuture.php
72a1ab7f3405production

ConduitFuture.php
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			<?php

			/*
			* Copyright 2011 Facebook, Inc.
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			/**
			* @group conduit
			*/
			class ConduitFuture extends FutureProxy {

			protected $client;
			protected $conduitMethod;

			public function setClient(ConduitClient $client, $method) {
			$this->client = $client;
			$this->conduitMethod = $method;
			return $this;
			}

			protected function didReceiveResult($result) {
			list($status, $body, $headers) = $result;
			if ($status->isError()) {
			throw $status;
			}

			$raw = $body;

			$shield = 'for(;;);';
			if (!strncmp($raw, $shield, strlen($shield))) {
			$raw = substr($raw, strlen($shield));
			}

			$data = json_decode($raw, true);
			if (!is_array($data)) {
			throw new Exception(
			"Host returned HTTP/200, but invalid JSON data in response to ".
			"a Conduit method call:\n{$raw}");
			}

			if ($data['error_code']) {
			throw new ConduitClientException(
			$data['error_code'],
			$data['error_info']);
			}

			$result = $data['result'];

			$result = $this->client->didReceiveResponse(
			$this->conduitMethod,
			$result);

			return $result;
			}

			}