TimeProvider.java
- /*
- * Copyright 2019 Heiko Scherrer
- *
- * 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.
- */
- package org.openwms.wms.api;
- import java.time.Instant;
- import java.time.LocalDateTime;
- import java.time.ZoneId;
- import java.time.ZonedDateTime;
- import java.util.Date;
- /**
- * A TimeProvider is able to provide dates and times.
- *
- * @author Heiko Scherrer
- */
- public interface TimeProvider {
- /** The format pattern for all date-time with milliseconds and timezone types. */
- String DATE_TIME_MILLIS_WITH_TIMEZONE = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
- /** The format pattern for all date-time with timezone types. */
- String DATE_TIME_WITH_TIMEZONE = "yyyy-MM-dd'T'HH:mm:ssXXX";
- /**
- * Returns the current date and time considering the configured timezone.
- *
- * @return Timezone aware Date
- */
- default Date nowAsDate() {
- return Date.from(ZonedDateTime.of(LocalDateTime.now(), ZoneId.systemDefault()).toInstant());
- }
- /**
- * Returns the current date and time considering the configured timezone.
- *
- * @return Timezone aware DateTime
- */
- default ZonedDateTime nowAsZonedDateTime() {
- return nowAsZonedDateTime(ZoneId.systemDefault());
- }
- /**
- * Returns the current date and time considering the configured timezone.
- *
- * @param zoneId ZoneId
- * @return Timezone aware DateTime
- */
- default ZonedDateTime nowAsZonedDateTime(ZoneId zoneId) {
- return ZonedDateTime.of(LocalDateTime.now(), zoneId);
- }
- /**
- * Returns the current date and time of the system considering the configured timezone.
- *
- * @return Timezone aware Date
- */
- default Instant now() {
- return ZonedDateTime.of(LocalDateTime.now(), ZoneId.systemDefault()).toInstant();
- }
- }