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use crate::http::transport::BuildError;
use serde_json;
use std::error;
use std::fmt;
use std::io;
#[derive(Debug)]
pub enum Error {
Build(BuildError),
Lib(String),
Http(reqwest::Error),
Io(io::Error),
Json(serde_json::error::Error),
}
impl From<io::Error> for Error {
fn from(err: io::Error) -> Error {
Error::Io(err)
}
}
impl From<reqwest::Error> for Error {
fn from(err: reqwest::Error) -> Error {
Error::Http(err)
}
}
impl From<serde_json::error::Error> for Error {
fn from(err: serde_json::error::Error) -> Error {
Error::Json(err)
}
}
impl From<url::ParseError> for Error {
fn from(err: url::ParseError) -> Error {
Error::Lib(err.to_string())
}
}
impl From<BuildError> for Error {
fn from(err: BuildError) -> Error {
Error::Build(err)
}
}
impl error::Error for Error {
fn description(&self) -> &str {
match *self {
Error::Build(ref err) => err.description(),
Error::Lib(ref err) => err,
Error::Http(ref err) => err.description(),
Error::Io(ref err) => err.description(),
Error::Json(ref err) => err.description(),
}
}
fn cause(&self) -> Option<&dyn error::Error> {
match *self {
Error::Build(ref err) => Some(err as &dyn error::Error),
Error::Lib(_) => None,
Error::Http(ref err) => Some(err as &dyn error::Error),
Error::Io(ref err) => Some(err as &dyn error::Error),
Error::Json(ref err) => Some(err as &dyn error::Error),
}
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::Build(ref err) => fmt::Display::fmt(err, f),
Error::Lib(ref s) => fmt::Display::fmt(s, f),
Error::Http(ref err) => fmt::Display::fmt(err, f),
Error::Io(ref err) => fmt::Display::fmt(err, f),
Error::Json(ref err) => fmt::Display::fmt(err, f),
}
}
}