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<?php |
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namespace Vectorface\SnappyRouter\Response; |
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use \stdClass; |
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use \Exception; |
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use Vectorface\SnappyRouter\Request\JsonRpcRequest; |
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/** |
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* The response to be returned to the client for JSON-RPC requests. |
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* |
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* @copyright Copyright (c) 2014, VectorFace, Inc. |
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*/ |
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class JsonRpcResponse extends Response |
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{ |
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/** |
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* Construct a Response from JSON-RPC style result, error, and JSON-RPC request. |
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* |
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* @param mixed $result The result of the remote procedure call. |
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* @param Exception $error The error, as an exception. (Requires code and message.) |
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* @param JsonRpcRequest $request The request that led to the generation of this response. |
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*/ |
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public function __construct($result, Exception $error = null, JsonRpcRequest $request = null) |
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{ |
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$response = new stdClass(); |
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/* JSON-RPC spec: either error or result, never both. */ |
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if ($error) { |
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$response->error = (object)array( |
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'code' => $error->getCode(), |
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'message' => $error->getMessage() |
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); |
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} else { |
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$response->result = $result; |
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} |
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if ($request) { |
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/* 1.0: omit version, 2.0 and newer, echo back version. */ |
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if ($request->getVersion() != "1.0") { |
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$response->jsonrpc = $request->getVersion(); |
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} |
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/* For notifications (null id), return nothing. Otherwise, pass back the id. */ |
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if ($request->getIdentifier() === null) { |
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$response = ""; |
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} else { |
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$response->id = $request->getIdentifier(); |
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} |
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} |
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parent::__construct($response); |
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} |
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} |
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