aws-sdk-rust 0.1.6

/*
 Copyright 2016 LambdaStack All rights reserved.

 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.
*/

use url::Url;
use aws::common::region::Region;

/// Endpoint allows you to set a custom endpoint and/or a proxy for a given region and associate this
/// as an endpoint of where S3Client will look for the data.
#[allow(dead_code)]
#[derive(Debug, Clone)]
pub struct Endpoint {
    pub region: Region,
    pub signature: String,
    pub endpoint: Option<Url>,
    pub proxy: Option<Url>
}

impl Endpoint {
    /// Endpoint::new accepts Region, an optional Url and an optional proxy url:port.
    pub fn new<S>(region: Region, signature: S, endpoint: Option<Url>, proxy: Option<Url>)
    -> Self where S:Into<String> {
        Endpoint{
            region: region,
            signature: signature.into(),
            endpoint: default_endpoint(region, endpoint),
            proxy: proxy }
    }

    pub fn hostname(&self) -> Option<String> {
        match self.endpoint {
            None => None,
            Some(ref url) => Some(url.host_str().unwrap().to_string()),
        }
    }
}

// This creates the default endpoint to be used on initial create if endpoint is None
fn default_endpoint(region: Region, endpoint: Option<Url>) -> Option<Url> {
    let final_endpoint: Url;
    match endpoint {
        Some(url) => final_endpoint = url,
        None => {
            // NOTE: Must include the correct scheme (http or https)
            let endpoint: String = match region {
                Region::UsEast1 => "https://s3.amazonaws.com".to_string(),
                Region::CnNorth1 => format!("https://s3.{}.amazonaws.com.cn", region),
                _ => format!("https://s3.amazonaws.com"),
            };
            final_endpoint = Url::parse(&endpoint).unwrap();
        }
    };

    Some(final_endpoint)
}