Implemented std::error::Error for jwt::errors::Error
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4ce022fca2
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438d264fa9
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@ -1,4 +1,4 @@
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use std::string;
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use std::{string, fmt, error};
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use rustc_serialize::{json, base64};
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#[derive(Debug)]
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@ -28,3 +28,41 @@ impl_from_error!(json::EncoderError, Error::EncodeJSON);
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impl_from_error!(base64::FromBase64Error, Error::DecodeBase64);
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impl_from_error!(json::DecoderError, Error::DecodeJSON);
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impl_from_error!(string::FromUtf8Error, Error::Utf8);
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impl error::Error for Error {
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fn description(&self) -> &str {
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match *self {
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Error::EncodeJSON(ref err) => err.description(),
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Error::DecodeBase64(ref err) => err.description(),
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Error::DecodeJSON(ref err) => err.description(),
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Error::Utf8(ref err) => err.description(),
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Error::InvalidToken => "Invalid Token",
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Error::InvalidSignature => "Invalid Signature",
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Error::WrongAlgorithmHeader => "Wrong Algorithm Header",
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}
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}
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fn cause(&self) -> Option<&error::Error> {
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Some(match *self {
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Error::EncodeJSON(ref err) => err as &error::Error,
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Error::DecodeBase64(ref err) => err as &error::Error,
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Error::DecodeJSON(ref err) => err as &error::Error,
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Error::Utf8(ref err) => err as &error::Error,
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ref e => e as &error::Error,
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})
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}
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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Error::EncodeJSON(ref err) => fmt::Display::fmt(err, f),
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Error::DecodeBase64(ref err) => fmt::Display::fmt(err, f),
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Error::DecodeJSON(ref err) => fmt::Display::fmt(err, f),
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Error::Utf8(ref err) => fmt::Display::fmt(err, f),
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Error::InvalidToken => write!(f, "{}", error::Error::description(self)),
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Error::InvalidSignature => write!(f, "{}", error::Error::description(self)),
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Error::WrongAlgorithmHeader => write!(f, "{}", error::Error::description(self)),
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}
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}
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}
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