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75 lines
1.9 KiB
75 lines
1.9 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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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 msggateway
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import (
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"bytes"
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"encoding/gob"
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"encoding/json"
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"github.com/openimsdk/tools/errs"
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)
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type Encoder interface {
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Encode(data any) ([]byte, error)
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Decode(encodeData []byte, decodeData any) error
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}
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type GobEncoder struct{}
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func NewGobEncoder() Encoder {
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return GobEncoder{}
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}
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func (g GobEncoder) Encode(data any) ([]byte, error) {
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var buff bytes.Buffer
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enc := gob.NewEncoder(&buff)
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if err := enc.Encode(data); err != nil {
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return nil, errs.WrapMsg(err, "GobEncoder.Encode failed", "action", "encode")
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}
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return buff.Bytes(), nil
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}
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func (g GobEncoder) Decode(encodeData []byte, decodeData any) error {
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buff := bytes.NewBuffer(encodeData)
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dec := gob.NewDecoder(buff)
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if err := dec.Decode(decodeData); err != nil {
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return errs.WrapMsg(err, "GobEncoder.Decode failed", "action", "decode")
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}
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return nil
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}
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type JsonEncoder struct{}
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func NewJsonEncoder() Encoder {
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return JsonEncoder{}
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}
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func (g JsonEncoder) Encode(data any) ([]byte, error) {
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b, err := json.Marshal(data)
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if err != nil {
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return nil, errs.New("JsonEncoder.Encode failed", "action", "encode")
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}
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return b, nil
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}
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func (g JsonEncoder) Decode(encodeData []byte, decodeData any) error {
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err := json.Unmarshal(encodeData, decodeData)
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if err != nil {
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return errs.New("JsonEncoder.Decode failed", "action", "decode")
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}
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return nil
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}
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