youtubebeat/vendor/github.com/elastic/beats/filebeat/reader/readfile/encode.go

55 lines
1.7 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 readfile
import (
"io"
"time"
"github.com/elastic/beats/filebeat/reader"
"github.com/elastic/beats/filebeat/reader/readfile/encoding"
)
// Reader produces lines by reading lines from an io.Reader
// through a decoder converting the reader it's encoding to utf-8.
type EncoderReader struct {
reader *LineReader
}
// New creates a new Encode reader from input reader by applying
// the given codec.
func NewEncodeReader(
r io.Reader,
codec encoding.Encoding,
bufferSize int,
) (EncoderReader, error) {
eReader, err := NewLineReader(r, codec, bufferSize)
return EncoderReader{eReader}, err
}
// Next reads the next line from it's initial io.Reader
// This converts a io.Reader to a reader.reader
func (r EncoderReader) Next() (reader.Message, error) {
c, sz, err := r.reader.Next()
// Creating message object
return reader.Message{
Ts: time.Now(),
Content: c,
Bytes: sz,
}, err
}