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use std::error::Error as StdError;
use std::io::Error as IoError;
use serde_json::Error as SerdeError;
use openssl::error::ErrorStack;
use std::fmt;
use std::convert::From;
use crate::response::{Response, ErrorBody};
#[derive(Debug)]
pub enum Error {
SerializeError,
ConnectionError,
TimeoutError,
SignerError(String),
ResponseError(Response),
InvalidOptions(String),
TlsError(String),
ReadError(String),
}
impl<'a> fmt::Display for Error {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::ResponseError(Response { error: Some(ErrorBody { ref reason, .. }), .. }) => {
write!(fmt, "{} (reason: {:?})", self.description(), reason)
},
_ => write!(fmt, "{}", self.description()),
}
}
}
impl<'a> StdError for Error {
fn description(&self) -> &str {
match self {
Error::SerializeError => "Error serializing to JSON",
Error::ConnectionError => "Error connecting to APNs",
Error::SignerError(_) => "Error creating a signature",
Error::ResponseError(_) => "Notification was not accepted by APNs",
Error::InvalidOptions(_) => "Invalid options for APNs payload",
Error::TlsError(_) => "Error in creating a TLS connection",
Error::ReadError(_) => "Error in reading a certificate file",
Error::TimeoutError => "Timeout in sending a push notification",
}
}
fn cause(&self) -> Option<&dyn StdError> {
None
}
}
impl From<SerdeError> for Error {
fn from(_: SerdeError) -> Error {
Error::SerializeError
}
}
impl From<ErrorStack> for Error {
fn from(e: ErrorStack) -> Error {
Error::SignerError(format!("{}", e.description()))
}
}
impl From<IoError> for Error {
fn from(e: IoError) -> Error {
Error::ReadError(format!("{}", e.description()))
}
}
impl From<hyper::error::Error> for Error {
fn from(_: hyper::error::Error) -> Error {
Error::ConnectionError
}
}