github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/util/codec/bytes/marshaler.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/codec/bytes/marshaler.go
    14  
    15  package bytes
    16  
    17  import (
    18  	"github.com/tickoalcantara12/micro/v3/util/codec"
    19  )
    20  
    21  type Marshaler struct{}
    22  
    23  type Message struct {
    24  	Header map[string]string
    25  	Body   []byte
    26  }
    27  
    28  func (n Marshaler) Marshal(v interface{}) ([]byte, error) {
    29  	switch ve := v.(type) {
    30  	case *[]byte:
    31  		return *ve, nil
    32  	case []byte:
    33  		return ve, nil
    34  	case *Message:
    35  		return ve.Body, nil
    36  	}
    37  	return nil, codec.ErrInvalidMessage
    38  }
    39  
    40  func (n Marshaler) Unmarshal(d []byte, v interface{}) error {
    41  	switch ve := v.(type) {
    42  	case *[]byte:
    43  		*ve = d
    44  	case *Message:
    45  		ve.Body = d
    46  	}
    47  	return codec.ErrInvalidMessage
    48  }
    49  
    50  func (n Marshaler) String() string {
    51  	return "bytes"
    52  }