Java tutorial
/** * Copyright (C) 2014-2015 Philip Helger (www.helger.com) * philip[at]helger[dot]com * * 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 com.helger.datetime.period; import javax.annotation.Nonnull; import javax.annotation.Nullable; import javax.annotation.concurrent.NotThreadSafe; import org.joda.time.LocalDateTime; import org.joda.time.Period; import com.helger.datetime.PDTFactory; /** * Default implementation of the {@link ILocalDateTimePeriod} interface. * * @author Philip Helger */ @NotThreadSafe public class LocalDateTimePeriod extends AbstractFlexiblePeriod<LocalDateTime> implements ILocalDateTimePeriod { public LocalDateTimePeriod() { this(null, null); } public LocalDateTimePeriod(@Nullable final LocalDateTime aStart) { this(aStart, null); } public LocalDateTimePeriod(@Nullable final LocalDateTime aStart, @Nullable final LocalDateTime aEnd) { super(aStart, aEnd); } public final boolean isValidFor(@Nonnull final LocalDateTime aDate) { if (aDate == null) throw new NullPointerException("date"); final LocalDateTime aStart = getStart(); if (aStart != null && aStart.isAfter(aDate)) return false; final LocalDateTime aEnd = getEnd(); if (aEnd != null && aEnd.isBefore(aDate)) return false; return true; } public final boolean isValidForNow() { return isValidFor(PDTFactory.getCurrentLocalDateTime()); } public boolean canConvertToPeriod() { return getStart() != null && getEnd() != null; } @Nonnull public final Period getAsPeriod() { if (!canConvertToPeriod()) throw new IllegalStateException("Cannot convert to a Period!"); return new Period(getStart(), getEnd()); } }