cratedb 1.1.0

CrateDB driver for Rust.
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// Copyright 2016 Claus Matzinger
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.


extern crate hyper;

use std::error::Error;
use std::fmt::{self, Debug};
use std::io;
use self::hyper::Error as TransportError;
use self::hyper::error::ParseError as HyperParseError;



#[derive(Debug, Clone, PartialEq, Deserialize)]
pub struct CrateDBError {
    pub message: String,
    pub code: String,
    pub description: String,
}

impl CrateDBError {
    pub fn new<S1, S2>(message: S1, code: S2) -> CrateDBError
        where S1: Into<String>,
              S2: Into<String>
    {
        let c = code.into();
        let m = message.into();
        let desc = format!("Error [Code {}]: {}", c, m);
        CrateDBError {
            message: m,
            code: c,
            description: desc,
        }
    }
}


impl fmt::Display for CrateDBError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        Debug::fmt(self, f)
    }
}

impl Error for CrateDBError {
    fn description(&self) -> &str {
        &self.description
    }
}


#[derive(Debug)]
pub struct CrateDBConfigurationError {
    pub description: String,
}

impl Error for CrateDBConfigurationError {
    fn description(&self) -> &str {
        &self.description
    }
}

impl fmt::Display for CrateDBConfigurationError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        Debug::fmt(&self.description, f)
    }
}


#[derive(Debug, Clone, PartialEq)]
pub struct BackendError {
    pub description: String,
}

impl BackendError {
    pub fn from_transport(error: TransportError) -> BackendError {
        BackendError { description: format!("Error on Transport: {:?}", error) }
    }

    pub fn from_parser(error: HyperParseError) -> BackendError {
        BackendError { description: format!("Error on Parse: {:?}", error) }
    }

    pub fn from_io(error: io::Error) -> BackendError {
        BackendError { description: format!("Error on I/O: {:?}", error) }
    }

    pub fn new(error: String) -> BackendError {
        BackendError { description: error }
    }
}


impl Error for BackendError {
    fn description(&self) -> &str {
        &self.description
    }
}

impl fmt::Display for BackendError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        Debug::fmt(&self.description, f)
    }
}
#[derive(Debug, Clone)]
pub enum BlobError {
    Action(CrateDBError),
    Transport(BackendError),
}