nulllogentrywriter.h

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#ifndef ION_BASE_NULLLOGENTRYWRITER_H_
#define ION_BASE_NULLLOGENTRYWRITER_H_

#include <ostream>  // NOLINT

#include "ion/base/logging.h"

namespace ion {
namespace base {

class ION_API NullLogEntryWriter : public port::LogEntryWriter {
 public:
  NullLogEntryWriter() : previous_writer_(GetLogEntryWriter()) {
    SetLogEntryWriter(this);
  }
  ~NullLogEntryWriter() override {
    SetLogEntryWriter(previous_writer_);
  }

  void Write(port::LogSeverity severity, const std::string& message) override {}

 private:
  port::LogEntryWriter* previous_writer_;
};

}  // namespace base
}  // namespace ion

#endif  // ION_BASE_NULLLOGENTRYWRITER_H_