github.com/zntrio/harp/v2@v2.0.9/pkg/sdk/log/factory.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package log
    19  
    20  import (
    21  	"context"
    22  
    23  	"go.uber.org/zap"
    24  	"go.uber.org/zap/zapcore"
    25  )
    26  
    27  // Factory is the default logging wrapper that can create
    28  // logger instances either for a given Context or context-less.
    29  type factory struct {
    30  	logger *zap.Logger
    31  }
    32  
    33  // NewFactory creates a new Factory.
    34  func NewFactory(logger *zap.Logger) LoggerFactory {
    35  	return &factory{logger: logger}
    36  }
    37  
    38  // -----------------------------------------------------------------------------
    39  
    40  // Name returns the logger adapter name.
    41  func (b factory) Name() string {
    42  	return "zap"
    43  }
    44  
    45  // Bg creates a context-unaware logger.
    46  func (b factory) Bg() Logger {
    47  	return &logger{logger: b.logger}
    48  }
    49  
    50  // For returns a context-aware Logger.
    51  func (b factory) For(ctx context.Context) Logger {
    52  	return b.Bg()
    53  }
    54  
    55  // With creates a child logger, and optionally adds some context fields to that logger.
    56  func (b factory) With(fields ...zapcore.Field) LoggerFactory {
    57  	return &factory{logger: b.logger.With(fields...)}
    58  }