k3s/vendor/github.com/go-openapi/runtime/bytestream.go

46 lines
1.4 KiB
Go

// Copyright 2015 go-swagger maintainers
//
// 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 runtime
import (
"errors"
"io"
)
// ByteStreamConsumer creates a consmer for byte streams, takes a writer and reads from the provided reader
func ByteStreamConsumer() Consumer {
return ConsumerFunc(func(r io.Reader, v interface{}) error {
wrtr, ok := v.(io.Writer)
if !ok {
return errors.New("ByteStreamConsumer can only deal with io.Writer")
}
_, err := io.Copy(wrtr, r)
return err
})
}
// ByteStreamProducer creates a producer for byte streams, takes a reader, writes to a writer (essentially a pipe)
func ByteStreamProducer() Producer {
return ProducerFunc(func(w io.Writer, v interface{}) error {
rdr, ok := v.(io.Reader)
if !ok {
return errors.New("ByteStreamProducer can only deal with io.Reader")
}
_, err := io.Copy(w, rdr)
return err
})
}