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<?php
namespace Aws\Exception;
use Aws\HasMonitoringEventsTrait;
use Aws\MonitoringEventsInterface;
use Aws\ResponseContainerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\RequestInterface;
use Aws\CommandInterface;
use Aws\ResultInterface;
/**
* Represents an AWS exception that is thrown when a command fails.
*/
class AwsException extends \RuntimeException implements
MonitoringEventsInterface,
ResponseContainerInterface
{
use HasMonitoringEventsTrait;
/** @var ResponseInterface */
private $response;
private $request;
private $result;
private $command;
private $requestId;
private $errorType;
private $errorCode;
private $connectionError;
private $transferInfo;
private $errorMessage;
private $maxRetriesExceeded;
/**
* @param string $message Exception message
* @param CommandInterface $command
* @param array $context Exception context
* @param \Exception $previous Previous exception (if any)
*/
public function __construct(
$message,
CommandInterface $command,
array $context = [],
\Exception $previous = null
) {
$this->command = $command;
$this->response = isset($context['response']) ? $context['response'] : null;
$this->request = isset($context['request']) ? $context['request'] : null;
$this->requestId = isset($context['request_id'])
? $context['request_id']
: null;
$this->errorType = isset($context['type']) ? $context['type'] : null;
$this->errorCode = isset($context['code']) ? $context['code'] : null;
$this->connectionError = !empty($context['connection_error']);
$this->result = isset($context['result']) ? $context['result'] : null;
$this->transferInfo = isset($context['transfer_stats'])
? $context['transfer_stats']
: [];
$this->errorMessage = isset($context['message'])
? $context['message']
: null;
$this->monitoringEvents = [];
$this->maxRetriesExceeded = false;
parent::__construct($message, 0, $previous);
}
public function __toString()
{
if (!$this->getPrevious()) {
return parent::__toString();
}
// PHP strangely shows the innermost exception first before the outer
// exception message. It also has a default character limit for
// exception message strings such that the "next" exception (this one)
// might not even get shown, causing developers to attempt to catch
// the inner exception instead of the actual exception because they
// can't see the outer exception's __toString output.
return sprintf(
"exception '%s' with message '%s'\n\n%s",
get_class($this),
$this->getMessage(),
parent::__toString()
);
}
/**
* Get the command that was executed.
*
* @return CommandInterface
*/
public function getCommand()
{
return $this->command;
}
/**
* Get the concise error message if any.
*
* @return string|null
*/
public function getAwsErrorMessage()
{
return $this->errorMessage;
}
/**
* Get the sent HTTP request if any.
*
* @return RequestInterface|null
*/
public function getRequest()
{
return $this->request;
}
/**
* Get the received HTTP response if any.
*
* @return ResponseInterface|null
*/
public function getResponse()
{
return $this->response;
}
/**
* Get the result of the exception if available
*
* @return ResultInterface|null
*/
public function getResult()
{
return $this->result;
}
/**
* Returns true if this is a connection error.
*
* @return bool
*/
public function isConnectionError()
{
return $this->connectionError;
}
/**
* If available, gets the HTTP status code of the corresponding response
*
* @return int|null
*/
public function getStatusCode()
{
return $this->response ? $this->response->getStatusCode() : null;
}
/**
* Get the request ID of the error. This value is only present if a
* response was received and is not present in the event of a networking
* error.
*
* @return string|null Returns null if no response was received
*/
public function getAwsRequestId()
{
return $this->requestId;
}
/**
* Get the AWS error type.
*
* @return string|null Returns null if no response was received
*/
public function getAwsErrorType()
{
return $this->errorType;
}
/**
* Get the AWS error code.
*
* @return string|null Returns null if no response was received
*/
public function getAwsErrorCode()
{
return $this->errorCode;
}
/**
* Get all transfer information as an associative array if no $name
* argument is supplied, or gets a specific transfer statistic if
* a $name attribute is supplied (e.g., 'retries_attempted').
*
* @param string $name Name of the transfer stat to retrieve
*
* @return mixed|null|array
*/
public function getTransferInfo($name = null)
{
if (!$name) {
return $this->transferInfo;
}
return isset($this->transferInfo[$name])
? $this->transferInfo[$name]
: null;
}
/**
* Replace the transfer information associated with an exception.
*
* @param array $info
*/
public function setTransferInfo(array $info)
{
$this->transferInfo = $info;
}
/**
* Returns whether the max number of retries is exceeded.
*
* @return bool
*/
public function isMaxRetriesExceeded()
{
return $this->maxRetriesExceeded;
}
/**
* Sets the flag for max number of retries exceeded.
*/
public function setMaxRetriesExceeded()
{
$this->maxRetriesExceeded = true;
}
}