httpio 0.2.4

A transport-agnostic, async HTTP/1.1 client library for any runtime.
Documentation 
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use flate2::read::{GzDecoder, ZlibDecoder};
use futures::future::{BoxFuture, FutureExt};
use httpio::compression::traits::CompressionDecoder;
use httpio::enums::content_encoding::ContentEncoding;
use httpio::enums::http_error::HttpError;
use std::io::Read;

pub struct Flate2Decoder;

impl CompressionDecoder for Flate2Decoder {
    fn gzip_decode(&self, compressed: Vec<u8>) -> BoxFuture<'static, Result<Vec<u8>, HttpError>> {
        async move {
            let mut decoder = GzDecoder::new(&compressed[..]);
            let mut decompressed = Vec::new();
            decoder.read_to_end(&mut decompressed)?;
            Ok(decompressed)
        }
        .boxed()
    }

    fn zlib_decode(
        &self,
        compressed: Vec<u8>,
        size_hint: Option<usize>,
    ) -> BoxFuture<'static, Result<Vec<u8>, HttpError>> {
        async move {
            let mut decoder = ZlibDecoder::new(&compressed[..]);
            let mut decompressed = size_hint.map_or_else(Vec::new, Vec::with_capacity);
            decoder.read_to_end(&mut decompressed)?;
            Ok(decompressed)
        }
        .boxed()
    }

    fn supported_encodings(&self) -> Vec<ContentEncoding> {
        vec![ContentEncoding::Gzip, ContentEncoding::Deflate]
    }
}