marshaler.go raw

   1  // Copyright (c) 2016 Uber Technologies, Inc.
   2  //
   3  // Permission is hereby granted, free of charge, to any person obtaining a copy
   4  // of this software and associated documentation files (the "Software"), to deal
   5  // in the Software without restriction, including without limitation the rights
   6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  // copies of the Software, and to permit persons to whom the Software is
   8  // furnished to do so, subject to the following conditions:
   9  //
  10  // The above copyright notice and this permission notice shall be included in
  11  // all copies or substantial portions of the Software.
  12  //
  13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  // THE SOFTWARE.
  20  
  21  package zapcore
  22  
  23  // ObjectMarshaler allows user-defined types to efficiently add themselves to the
  24  // logging context, and to selectively omit information which shouldn't be
  25  // included in logs (e.g., passwords).
  26  //
  27  // Note: ObjectMarshaler is only used when zap.Object is used or when
  28  // passed directly to zap.Any. It is not used when reflection-based
  29  // encoding is used.
  30  type ObjectMarshaler interface {
  31  	MarshalLogObject(ObjectEncoder) error
  32  }
  33  
  34  // ObjectMarshalerFunc is a type adapter that turns a function into an
  35  // ObjectMarshaler.
  36  type ObjectMarshalerFunc func(ObjectEncoder) error
  37  
  38  // MarshalLogObject calls the underlying function.
  39  func (f ObjectMarshalerFunc) MarshalLogObject(enc ObjectEncoder) error {
  40  	return f(enc)
  41  }
  42  
  43  // ArrayMarshaler allows user-defined types to efficiently add themselves to the
  44  // logging context, and to selectively omit information which shouldn't be
  45  // included in logs (e.g., passwords).
  46  //
  47  // Note: ArrayMarshaler is only used when zap.Array is used or when
  48  // passed directly to zap.Any. It is not used when reflection-based
  49  // encoding is used.
  50  type ArrayMarshaler interface {
  51  	MarshalLogArray(ArrayEncoder) error
  52  }
  53  
  54  // ArrayMarshalerFunc is a type adapter that turns a function into an
  55  // ArrayMarshaler.
  56  type ArrayMarshalerFunc func(ArrayEncoder) error
  57  
  58  // MarshalLogArray calls the underlying function.
  59  func (f ArrayMarshalerFunc) MarshalLogArray(enc ArrayEncoder) error {
  60  	return f(enc)
  61  }
  62