104 lines
3.6 KiB
Rust
104 lines
3.6 KiB
Rust
// Copyright 2020 Damir Jelić
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// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Error conditions.
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use std::error::Error as StdError;
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use std::fmt::{Display, Formatter, Result as FmtResult};
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use reqwest::Error as ReqwestError;
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use ruma_api::error::FromHttpResponseError as RumaResponseError;
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use ruma_api::error::IntoHttpError as RumaIntoHttpError;
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use serde_json::Error as SerdeJsonError;
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use serde_urlencoded::ser::Error as SerdeUrlEncodedSerializeError;
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use url::ParseError;
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/// An error that can occur during client operations.
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#[derive(Debug)]
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pub struct Error(pub(crate) InnerError);
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impl Display for Error {
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fn fmt(&self, f: &mut Formatter) -> FmtResult {
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let message = match self.0 {
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InnerError::AuthenticationRequired => "The queried endpoint requires authentication but was called with an anonymous client.",
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InnerError::Reqwest(_) => "An HTTP error occurred.",
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InnerError::Uri(_) => "Provided string could not be converted into a URI.",
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InnerError::RumaResponseError(_) => "An error occurred converting between ruma_client_api and hyper types.",
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InnerError::IntoHttpError(_) => "An error occurred converting between ruma_client_api and hyper types.",
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InnerError::SerdeJson(_) => "A serialization error occurred.",
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InnerError::SerdeUrlEncodedSerialize(_) => "An error occurred serializing data to a query string.",
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};
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write!(f, "{}", message)
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}
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}
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impl StdError for Error {}
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/// Internal representation of errors.
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#[derive(Debug)]
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pub(crate) enum InnerError {
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/// Queried endpoint requires authentication but was called on an anonymous client.
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AuthenticationRequired,
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/// An error at the HTTP layer.
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Reqwest(ReqwestError),
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/// An error when parsing a string as a URI.
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Uri(ParseError),
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/// An error converting between ruma_client_api types and Hyper types.
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RumaResponseError(RumaResponseError),
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/// An error converting between ruma_client_api types and Hyper types.
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IntoHttpError(RumaIntoHttpError),
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/// An error when serializing or deserializing a JSON value.
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SerdeJson(SerdeJsonError),
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/// An error when serializing a query string value.
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SerdeUrlEncodedSerialize(SerdeUrlEncodedSerializeError),
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}
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impl From<ParseError> for Error {
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fn from(error: ParseError) -> Self {
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Self(InnerError::Uri(error))
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}
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}
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impl From<RumaResponseError> for Error {
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fn from(error: RumaResponseError) -> Self {
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Self(InnerError::RumaResponseError(error))
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}
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}
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impl From<RumaIntoHttpError> for Error {
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fn from(error: RumaIntoHttpError) -> Self {
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Self(InnerError::IntoHttpError(error))
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}
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}
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impl From<SerdeJsonError> for Error {
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fn from(error: SerdeJsonError) -> Self {
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Self(InnerError::SerdeJson(error))
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}
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}
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impl From<SerdeUrlEncodedSerializeError> for Error {
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fn from(error: SerdeUrlEncodedSerializeError) -> Self {
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Self(InnerError::SerdeUrlEncodedSerialize(error))
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}
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}
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impl From<ReqwestError> for Error {
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fn from(error: ReqwestError) -> Self {
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Self(InnerError::Reqwest(error))
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}
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}
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