asteris-llc/converge

// Copyright © 2016 Asteris, LLC
//
// 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.

package fetch

import (
    "fmt"
    "net/url"
    "path"

    "golang.org/x/net/context"
)

// Any fetches a path based on the scheme of the location
func Any(ctx context.Context, loc string) ([]byte, error) {
    url, err := url.Parse(loc)
    if err != nil {
        return nil, err
    }

    switch url.Scheme {
    case "file":
        return File(path.Join(url.Host, url.Path))
    case "http", "https":
        return HTTP(ctx, loc)
    default:
        return nil, fmt.Errorf("protocol %q is not implemented", url.Scheme)
    }
}