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base64.go
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base64.go
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// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF 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 protox
import (
"encoding/base64"
"github.com/apache/beam/sdks/go/pkg/beam/internal/errors"
"github.com/golang/protobuf/proto"
)
// MustEncodeBase64 encodes a proto wrapped in base64 and panics on failure.
func MustEncodeBase64(msg proto.Message) string {
ret, err := EncodeBase64(msg)
if err != nil {
panic(err)
}
return ret
}
// EncodeBase64 encodes a proto wrapped in base64.
func EncodeBase64(msg proto.Message) (string, error) {
data, err := proto.Marshal(msg)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(data), nil
}
// DecodeBase64 decodes a base64 wrapped proto.
func DecodeBase64(data string, ret proto.Message) error {
decoded, err := base64.StdEncoding.DecodeString(data)
if err != nil {
return errors.Wrap(err, "base64 decoding failed")
}
return proto.Unmarshal(decoded, ret)
}