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77 lines
1.9 KiB
77 lines
1.9 KiB
// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package runtime
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import (
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"bytes"
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"encoding/csv"
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"errors"
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"io"
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)
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// CSVConsumer creates a new CSV consumer
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func CSVConsumer() Consumer {
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return ConsumerFunc(func(reader io.Reader, data interface{}) error {
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if reader == nil {
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return errors.New("CSVConsumer requires a reader")
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}
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csvReader := csv.NewReader(reader)
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writer, ok := data.(io.Writer)
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if !ok {
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return errors.New("data type must be io.Writer")
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}
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csvWriter := csv.NewWriter(writer)
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records, err := csvReader.ReadAll()
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if err != nil {
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return err
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}
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for _, r := range records {
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if err := csvWriter.Write(r); err != nil {
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return err
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}
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}
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csvWriter.Flush()
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return nil
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})
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}
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// CSVProducer creates a new CSV producer
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func CSVProducer() Producer {
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return ProducerFunc(func(writer io.Writer, data interface{}) error {
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if writer == nil {
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return errors.New("CSVProducer requires a writer")
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}
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dataBytes, ok := data.([]byte)
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if !ok {
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return errors.New("data type must be byte array")
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}
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csvReader := csv.NewReader(bytes.NewBuffer(dataBytes))
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records, err := csvReader.ReadAll()
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if err != nil {
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return err
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}
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csvWriter := csv.NewWriter(writer)
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for _, r := range records {
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if err := csvWriter.Write(r); err != nil {
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return err
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}
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}
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csvWriter.Flush()
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return nil
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})
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}
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