| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.sis.xml.bind.gml; |
| |
| import java.util.Date; |
| import javax.xml.datatype.XMLGregorianCalendar; |
| import javax.xml.datatype.DatatypeConfigurationException; |
| import jakarta.xml.bind.annotation.XmlType; |
| import jakarta.xml.bind.annotation.XmlElement; |
| import jakarta.xml.bind.annotation.XmlRootElement; |
| import org.apache.sis.xml.bind.Context; |
| import org.apache.sis.util.privy.Strings; |
| import org.apache.sis.xml.privy.XmlUtilities; |
| |
| // Specific to the main branch: |
| import org.apache.sis.pending.geoapi.temporal.Instant; |
| |
| |
| /** |
| * Encapsulates a {@code gml:TimeInstant}. This element may be used alone, or included in a |
| * {@link TimePeriodBound.GML2} object. The latter is itself included in {@link TimePeriod}. |
| * Note that GML3 does not anymore include {@code TimeInstant} inside {@code TimePeriod}. |
| * |
| * @author Guilhem Legal (Geomatys) |
| */ |
| @XmlType(name = "TimeInstantType") |
| @XmlRootElement(name="TimeInstant") |
| public final class TimeInstant extends GMLAdapter { |
| /** |
| * The date, optionally with its time component. The time component is omitted |
| * if the hours, minutes, seconds and milliseconds fields are all set to 0. |
| * |
| * <p><strong>WARNING: The timezone information may be lost!</strong> This is because this field |
| * is derived from a {@link java.util.Date}, in which case we don't know if the time is really 0 |
| * or just unspecified. This class assumes that a time of zero means "unspecified". This will be |
| * revised after we implemented ISO 19108.</p> |
| */ |
| @XmlElement |
| public XMLGregorianCalendar timePosition; |
| |
| /** |
| * Empty constructor used by JAXB. |
| */ |
| public TimeInstant() { |
| } |
| |
| /** |
| * Creates a new time instant initialized to the given value. |
| * |
| * @param instant the initial instant value. |
| */ |
| public TimeInstant(final Instant instant) { |
| timePosition = toXML(instant); |
| } |
| |
| /** |
| * Creates a XML Gregorian Calendar from the given instants, if non-null. |
| * Otherwise returns {@code null}. |
| * |
| * <p><strong>WARNING: The timezone information may be lost!</strong> This is because this field |
| * is derived from a {@link java.util.Date}, in which case we don't know if the time is really 0 |
| * or just unspecified. This class assumes that a time of zero means "unspecified". This will be |
| * revised after we implemented ISO 19108.</p> |
| */ |
| static XMLGregorianCalendar toXML(final Instant instant) { |
| if (instant != null) { |
| final Date date = instant.getDate(); |
| if (date != null) { |
| final Context context = Context.current(); |
| try { |
| final XMLGregorianCalendar gc = XmlUtilities.toXML(context, date); |
| if (gc != null) { |
| XmlUtilities.trimTime(gc, false); |
| return gc; |
| } |
| } catch (DatatypeConfigurationException e) { |
| Context.warningOccured(context, TimeInstant.class, "toXML", e, true); |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Returns a string representation for debugging and formatting error message. |
| * |
| * @return a string representation of this time instant. |
| */ |
| @Override |
| public String toString() { |
| return Strings.bracket(getClass(), timePosition); |
| } |
| } |