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use serde_json::{Error as JsonError, Value};
use std::error::Error as StdError;
use std::fmt::{Display, Formatter, Error as FmtError, Result as FmtResult};
use std::io::Error as IoError;
use std::result::Result as StdResult;
#[cfg(feature = "hyper")]
use hyper::error::{Error as HyperError, UriError};
#[cfg(feature = "reqwest")]
use reqwest::Error as ReqwestError;
pub type Result<T> = StdResult<T, Error>;
#[derive(Debug)]
pub enum Error {
Decode(&'static str, Value),
Fmt(FmtError),
#[cfg(feature = "hyper")]
Hyper(HyperError),
Json(JsonError),
Io(IoError),
#[cfg(feature = "reqwest")]
Reqwest(ReqwestError),
#[cfg(feature = "hyper")]
Uri(UriError),
}
impl From<FmtError> for Error {
fn from(err: FmtError) -> Error {
Error::Fmt(err)
}
}
#[cfg(feature = "hyper")]
impl From<HyperError> for Error {
fn from(err: HyperError) -> Error {
Error::Hyper(err)
}
}
impl From<IoError> for Error {
fn from(err: IoError) -> Error {
Error::Io(err)
}
}
impl From<JsonError> for Error {
fn from(err: JsonError) -> Error {
Error::Json(err)
}
}
#[cfg(feature = "reqwest")]
impl From<ReqwestError> for Error {
fn from(err: ReqwestError) -> Error {
Error::Reqwest(err)
}
}
impl Display for Error {
fn fmt(&self, f: &mut Formatter) -> FmtResult {
f.write_str(self.description())
}
}
impl StdError for Error {
fn description(&self) -> &str {
match *self {
Error::Decode(msg, _) => msg,
Error::Fmt(ref inner) => inner.description(),
#[cfg(feature = "hyper")]
Error::Hyper(ref inner) => inner.description(),
Error::Json(ref inner) => inner.description(),
Error::Io(ref inner) => inner.description(),
#[cfg(feature = "reqwest")]
Error::Reqwest(ref inner) => inner.description(),
#[cfg(feature = "hyper")]
Error::Uri(ref inner) => inner.description(),
}
}
}