schema-registry-client 0.4.2

Serialize/deserialize data to/from Kafka using the Confluent Schema Registry
Documentation 
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use std::error;
use std::fmt;

#[derive(Clone, Debug)]
pub struct ResponseContent {
    pub status: reqwest::StatusCode,
    pub content: String,
    pub entity: Option<error_message::ErrorMessage>,
}

#[derive(Debug)]
pub enum Error {
    Reqwest(reqwest::Error),
    Serde(serde_json::Error),
    Io(std::io::Error),
    ResponseError(ResponseContent),
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let (module, e) = match self {
            Error::Reqwest(e) => ("reqwest", e.to_string()),
            Error::Serde(e) => ("serde", e.to_string()),
            Error::Io(e) => ("io", e.to_string()),
            Error::ResponseError(e) => ("response", format!("status code {}", e.status)),
        };
        write!(f, "error in {module}: {e}")
    }
}

impl error::Error for Error {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
        Some(match self {
            Error::Reqwest(e) => e,
            Error::Serde(e) => e,
            Error::Io(e) => e,
            Error::ResponseError(_) => return None,
        })
    }
}

impl From<reqwest::Error> for Error {
    fn from(e: reqwest::Error) -> Self {
        Error::Reqwest(e)
    }
}

impl From<serde_json::Error> for Error {
    fn from(e: serde_json::Error) -> Self {
        Error::Serde(e)
    }
}

impl From<std::io::Error> for Error {
    fn from(e: std::io::Error) -> Self {
        Error::Io(e)
    }
}

pub fn urlencode<T: AsRef<str>>(s: T) -> String {
    url::form_urlencoded::byte_serialize(s.as_ref().as_bytes()).collect()
}

pub mod error_message;