FileAppender.h

/*
 * Copyright (C) 2019-2021 HERE Europe B.V.
 *
 * Licensed 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * License-Filename: LICENSE
 */
 
#pragma once
 
#include <fstream>
#include <string>
#include <utility>
 
#include <olp/core/CoreApi.h>
#include <olp/core/logging/Appender.h>
#include <olp/core/logging/MessageFormatter.h>
 
namespace olp {
namespace logging {
class CORE_API FileAppender : public IAppender {
 public:
  explicit FileAppender(
      const std::string& fileName, bool append = false,
      MessageFormatter formatter = MessageFormatter::createDefault());
  ~FileAppender() override;
 
  bool isValid() const;
 
  inline const std::string& getFileName() const;
 
  inline bool getAppendFile() const;
 
  inline const MessageFormatter& getMessageFormatter() const;
 
  inline FileAppender& setMessageFormatter(MessageFormatter formatter);
 
  IAppender& append(const LogMessage& message) override;
 
 private:
  std::string m_fileName;
  bool m_appendFile;
  MessageFormatter m_formatter;
  std::ofstream m_stream;
 
  FileAppender(const FileAppender&) = delete;
  FileAppender& operator=(const FileAppender&) = delete;
};
 
inline const std::string& FileAppender::getFileName() const {
  return m_fileName;
}
 
inline bool FileAppender::getAppendFile() const { return m_appendFile; }
 
inline const MessageFormatter& FileAppender::getMessageFormatter() const {
  return m_formatter;
}
 
inline FileAppender& FileAppender::setMessageFormatter(
    MessageFormatter formatter) {
  m_formatter = std::move(formatter);
  return *this;
}
 
}  // namespace logging
}  // namespace olp