1 /* 2 * Copyright 2022 Google LLC 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef FCP_BASE_TIME_UTIL_H_ 17 #define FCP_BASE_TIME_UTIL_H_ 18 19 #include "google/protobuf/duration.pb.h" 20 #include "google/protobuf/timestamp.pb.h" 21 #include "absl/time/time.h" 22 23 namespace fcp { 24 25 class TimeUtil { 26 public: 27 // Converts an absl::Time to a google::protobuf::Timestamp. 28 // Note that we assume the timestamps we deal with here are representable by 29 // both formats. If the resulted google::protobuf::Timestamp is invalid, it 30 // will lead to undefined behavior. 31 static google::protobuf::Timestamp ConvertAbslToProtoTimestamp(absl::Time t); 32 33 // Converts a google::protobuf::Timestamp to an absl::Time. 34 // Note that we assume the timestamps we deal with here are representable by 35 // both formats. If the resulted absl::Time is invalid, it will lead to 36 // undefined behavior. 37 static absl::Time ConvertProtoToAbslTime(google::protobuf::Timestamp proto); 38 39 // Converts an absl::Duration to a google::protobuf::Duration. 40 // Note that we assume the durations we deal with here are representable by 41 // both formats. If the resulted google::protobuf::Duration is invalid, it 42 // will lead to undefined behavior. 43 static google::protobuf::Duration ConvertAbslToProtoDuration( 44 absl::Duration absl_duration); 45 46 // Converts a google::protobuf::Duration to an absl::Duration. 47 // Note that we assume the timestamps we deal with here are representable by 48 // both formats. If the resulted google::protobuf::Duration is invalid, it 49 // will lead to undefined behavior. 50 static absl::Duration ConvertProtoToAbslDuration( 51 google::protobuf::Duration proto); 52 }; 53 54 } // namespace fcp 55 56 #endif // FCP_BASE_TIME_UTIL_H_ 57