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use hyper::status::StatusCode; use rustc_serialize::base64::FromBase64Error; use rustc_serialize::json::{Json, ToJson, ParserError, DecoderError}; use std::borrow::Cow; use std::collections::BTreeMap; use std::convert::From; use std::error::Error; use std::fmt; use std::io::Error as IoError; #[derive(PartialEq, Debug)] pub enum ErrorStatus { ElementNotSelectable, ElementNotVisible, InsecureCertificate, InvalidArgument, InvalidCookieDomain, InvalidElementCoordinates, InvalidElementState, InvalidSelector, InvalidSessionId, JavascriptError, MoveTargetOutOfBounds, NoSuchAlert, NoSuchElement, NoSuchFrame, NoSuchWindow, ScriptTimeout, SessionNotCreated, StaleElementReference, Timeout, UnableToSetCookie, UnexpectedAlertOpen, UnknownError, UnknownMethod, UnknownPath, UnsupportedOperation, } impl ErrorStatus { pub fn status_code(&self) -> &'static str { match self { &ErrorStatus::ElementNotSelectable => "element not selectable", &ErrorStatus::ElementNotVisible => "element not visible", &ErrorStatus::InsecureCertificate => "insecure certificate", &ErrorStatus::InvalidArgument => "invalid argument", &ErrorStatus::InvalidCookieDomain => "invalid cookie domain", &ErrorStatus::InvalidElementCoordinates => "invalid element coordinates", &ErrorStatus::InvalidElementState => "invalid element state", &ErrorStatus::InvalidSelector => "invalid selector", &ErrorStatus::InvalidSessionId => "invalid session id", &ErrorStatus::JavascriptError => "javascript error", &ErrorStatus::MoveTargetOutOfBounds => "move target out of bounds", &ErrorStatus::NoSuchAlert => "no such alert", &ErrorStatus::NoSuchElement => "no such element", &ErrorStatus::NoSuchFrame => "no such frame", &ErrorStatus::NoSuchWindow => "no such window", &ErrorStatus::ScriptTimeout => "script timeout", &ErrorStatus::SessionNotCreated => "session not created", &ErrorStatus::StaleElementReference => "stale element reference", &ErrorStatus::Timeout => "timeout", &ErrorStatus::UnableToSetCookie => "unable to set cookie", &ErrorStatus::UnexpectedAlertOpen => "unexpected alert open", &ErrorStatus::UnknownError => "unknown error", &ErrorStatus::UnknownMethod => "unknown command", &ErrorStatus::UnknownPath => "unknown command", &ErrorStatus::UnsupportedOperation => "unsupported operation", } } pub fn http_status(&self) -> StatusCode { match self { &ErrorStatus::ElementNotSelectable => StatusCode::BadRequest, &ErrorStatus::ElementNotVisible => StatusCode::BadRequest, &ErrorStatus::InsecureCertificate => StatusCode::BadRequest, &ErrorStatus::InvalidArgument => StatusCode::BadRequest, &ErrorStatus::InvalidCookieDomain => StatusCode::BadRequest, &ErrorStatus::InvalidElementCoordinates => StatusCode::BadRequest, &ErrorStatus::InvalidElementState => StatusCode::BadRequest, &ErrorStatus::InvalidSelector => StatusCode::BadRequest, &ErrorStatus::InvalidSessionId => StatusCode::NotFound, &ErrorStatus::JavascriptError => StatusCode::InternalServerError, &ErrorStatus::MoveTargetOutOfBounds => StatusCode::InternalServerError, &ErrorStatus::NoSuchAlert => StatusCode::BadRequest, &ErrorStatus::NoSuchElement => StatusCode::NotFound, &ErrorStatus::NoSuchFrame => StatusCode::BadRequest, &ErrorStatus::NoSuchWindow => StatusCode::BadRequest, &ErrorStatus::ScriptTimeout => StatusCode::RequestTimeout, &ErrorStatus::SessionNotCreated => StatusCode::InternalServerError, &ErrorStatus::StaleElementReference => StatusCode::BadRequest, &ErrorStatus::Timeout => StatusCode::RequestTimeout, &ErrorStatus::UnableToSetCookie => StatusCode::InternalServerError, &ErrorStatus::UnexpectedAlertOpen => StatusCode::InternalServerError, &ErrorStatus::UnknownError => StatusCode::InternalServerError, &ErrorStatus::UnknownMethod => StatusCode::MethodNotAllowed, &ErrorStatus::UnknownPath => StatusCode::NotFound, &ErrorStatus::UnsupportedOperation => StatusCode::InternalServerError, } } } pub type WebDriverResult<T> = Result<T, WebDriverError>; #[derive(Debug)] pub struct WebDriverError { pub error: ErrorStatus, pub message: Cow<'static, str>, delete_session: bool } impl fmt::Display for WebDriverError { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { self.message.fmt(f) } } impl WebDriverError { pub fn new<S>(error: ErrorStatus, message: S) -> WebDriverError where S: Into<Cow<'static, str>> { WebDriverError { error: error, message: message.into(), delete_session: false } } pub fn status_code(&self) -> &'static str { self.error.status_code() } pub fn http_status(&self) -> StatusCode { self.error.http_status() } pub fn to_json_string(&self) -> String { self.to_json().to_string() } pub fn set_delete_session(&mut self) { self.delete_session = true } pub fn delete_session(&self) -> bool { self.delete_session } } impl ToJson for WebDriverError { fn to_json(&self) -> Json { let mut data = BTreeMap::new(); data.insert("error".to_string(), self.status_code().to_json()); data.insert("message".to_string(), self.message.to_json()); Json::Object(data) } } impl Error for WebDriverError { fn description(&self) -> &str { self.status_code() } fn cause(&self) -> Option<&Error> { None } } impl From<ParserError> for WebDriverError { fn from(err: ParserError) -> WebDriverError { WebDriverError::new(ErrorStatus::UnknownError, err.description().to_string()) } } impl From<IoError> for WebDriverError { fn from(err: IoError) -> WebDriverError { WebDriverError::new(ErrorStatus::UnknownError, err.description().to_string()) } } impl From<DecoderError> for WebDriverError { fn from(err: DecoderError) -> WebDriverError { WebDriverError::new(ErrorStatus::UnknownError, err.description().to_string()) } } impl From<FromBase64Error> for WebDriverError { fn from(err: FromBase64Error) -> WebDriverError { WebDriverError::new(ErrorStatus::UnknownError, err.description().to_string()) } } impl From<Box<Error>> for WebDriverError { fn from(err: Box<Error>) -> WebDriverError { WebDriverError::new(ErrorStatus::UnknownError, err.description().to_string()) } }