| /* |
| * 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.internal.jaxb.gml; |
| |
| import javax.xml.bind.annotation.XmlValue; |
| import javax.xml.bind.annotation.XmlElement; |
| import javax.xml.bind.annotation.XmlAttribute; |
| import javax.xml.bind.annotation.XmlTransient; |
| import javax.xml.datatype.XMLGregorianCalendar; |
| |
| // Branch-dependent imports |
| import org.apache.sis.internal.geoapi.temporal.Instant; |
| |
| |
| /** |
| * The {@linkplain TimePeriod#begin begin} or {@linkplain TimePeriod#end end} position in |
| * a {@link TimePeriod}. This information is encoded in different way depending if we are |
| * reading or formatting a GML2 or GML3 file. |
| * |
| * @author Guilhem Legal (Geomatys) |
| * @author Martin Desruisseaux (Geomatys) |
| * @version 0.3 |
| * @since 0.3 |
| * @module |
| */ |
| @XmlTransient |
| public abstract class TimePeriodBound { |
| /** |
| * Empty constructor for subclasses only. |
| */ |
| TimePeriodBound() { |
| } |
| |
| /** |
| * Returns the XML calendar, or {@code null} if none. This information is encoded |
| * in different fields depending if we are reading/writing a GML2 or a GML3 file. |
| */ |
| abstract XMLGregorianCalendar calendar(); |
| |
| /** |
| * Returns a string representation of this bound for debugging purpose. |
| * |
| * @return a string representation of the time currently set. |
| */ |
| @Override |
| public String toString() { |
| return String.valueOf(calendar()); |
| } |
| |
| /** |
| * The begin or end position in a {@link TimePeriod}, expressed in the GML 3 way. |
| * Example: |
| * |
| * {@preformat xml |
| * <gml:TimePeriod> |
| * <gml:beginPosition>1992-01-01T01:00:00.000+01:00</gml:beginPosition> |
| * <gml:endPosition>2007-12-31T01:00:00.000+01:00</gml:endPosition> |
| * </gml:TimePeriod> |
| * } |
| */ |
| public static final class GML3 extends TimePeriodBound { |
| /** |
| * A textual indication of the time, usually {@code "before"}, {@code "after"} or {@code "now"}. |
| * This attribute and the {@linkplain #value} are mutually exclusive. |
| */ |
| @XmlAttribute |
| public String indeterminatePosition; |
| |
| /** |
| * The actual time position, or {@code null} for {@linkplain #indeterminatePosition indeterminate position}. |
| * |
| * <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> |
| */ |
| @XmlValue |
| public XMLGregorianCalendar value; |
| |
| /** |
| * Empty constructor used by JAXB. |
| */ |
| public GML3() { |
| } |
| |
| /** |
| * Creates a bound initialized to the given instant. |
| * |
| * @param instant the instant of the new bound, or {@code null}. |
| * @param indeterminate the value to give to {@link #indeterminatePosition} if the date is null. |
| */ |
| GML3(final Instant instant, final String indeterminate) { |
| value = TimeInstant.toXML(instant); |
| if (value == null) { |
| indeterminatePosition = indeterminate; |
| } |
| } |
| |
| /** |
| * Returns the XML calendar, or {@code null} if none or undetermined. |
| */ |
| @Override |
| XMLGregorianCalendar calendar() { |
| return value; |
| } |
| } |
| |
| /** |
| * The begin or end position in a {@link TimePeriod}, expressed in the GML 2 way. |
| * This object encapsulates a {@link TimeInstant} inside a {@code begin} or {@code end} |
| * element inside a GML 2 {@link TimePeriod} in GML 2. This is not used for GML 3. |
| * Example: |
| * |
| * {@preformat xml |
| * <gml:TimePeriod> |
| * <gml:begin> |
| * <gml:TimeInstant gml:id="begin"> |
| * <gml:timePosition>1992-01-01T01:00:00.000+01:00</gml:timePosition> |
| * </gml:TimeInstant> |
| * </gml:begin> |
| * <gml:end> |
| * <gml:TimeInstant gml:id="end"> |
| * <gml:timePosition>2007-12-31T01:00:00.000+01:00</gml:timePosition> |
| * </gml:TimeInstant> |
| * </gml:end> |
| * </gml:TimePeriod> |
| * } |
| */ |
| //@XmlType(name = "TimeInstantPropertyType") // TODO: Omitted for now for allowing external modules to define their own type. |
| public static final class GML2 extends TimePeriodBound { |
| /** |
| * The time. |
| */ |
| @XmlElement(name = "TimeInstant") |
| public TimeInstant timeInstant; |
| |
| /** |
| * Empty constructor used by JAXB. |
| */ |
| public GML2() { |
| } |
| |
| /** |
| * Creates a bound initialized to the given instant. |
| * |
| * @param instant The instant of the new bound, or {@code null}. |
| */ |
| GML2(final Instant instant) { |
| timeInstant = new TimeInstant(instant); |
| } |
| |
| /** |
| * Returns the XML calendar, or {@code null} if none. |
| */ |
| @Override |
| XMLGregorianCalendar calendar() { |
| final TimeInstant timeInstant = this.timeInstant; |
| return (timeInstant != null) ? timeInstant.timePosition : null; |
| } |
| } |
| } |