/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.temporal.reference;
import java.util.Date;
import org.geotools.util.Utilities;
import org.geotools.temporal.object.DefaultTemporalCoordinate;
import org.opengis.metadata.extent.Extent;
import org.opengis.referencing.ReferenceIdentifier;
import org.opengis.temporal.TemporalCoordinate;
import org.opengis.temporal.TemporalCoordinateSystem;
import org.opengis.util.InternationalString;
/**
*
* @author Mehdi Sidhoum (Geomatys)
*
*
* @source $URL$
*/
public class DefaultTemporalCoordinateSystem extends DefaultTemporalReferenceSystem implements TemporalCoordinateSystem {
/**
* The origin of the scale, it must be specified in the Gregorian calendar with time of day in UTC.
*/
private Date origin;
/**
* The name of a single unit of measure used as the base interval for the scale.
* it shall be one of those units of measure for time specified by ISO 31-1, or a multiple of one of those units, as specified by ISO 1000.
*/
private InternationalString interval;
public DefaultTemporalCoordinateSystem(ReferenceIdentifier name, Extent domainOfValidity, Date origin, InternationalString interval) {
super(name, domainOfValidity);
this.origin = origin;
this.interval = interval;
}
public void setOrigin(Date origin) {
this.origin = origin;
}
public void setInterval(InternationalString interval) {
this.interval = interval;
}
public Date getOrigin() {
return origin;
}
public InternationalString getInterval() {
return interval;
}
/**
* Returns the equivalent Date in the Gregorian calendar and UTC of a coordinate value defined in this temporal coordinate system.
* @param c_value
* @return
*/
public Date transformCoord(TemporalCoordinate c_value) {
Date response;
final long yearMS = 31536000000L;
final long monthMS = 2628000000L;
final long weekMS = 604800000L;
final long dayMS = 86400000L;
final long hourMS = 3600000L;
final long minMS = 60000L;
final long secondMS = 1000L;
DefaultTemporalCoordinate value = (DefaultTemporalCoordinate) c_value;
Number f = 0;
if (value.getFrame() != null && value.getFrame() instanceof TemporalCoordinateSystem) {
if (value.getCoordinateValue() != null) {
float n = value.getCoordinateValue().floatValue();
if (interval.toString().equals("year")) {
f = n * (float) yearMS;
} else if (interval.toString().equals("month")) {
f = n * (float) monthMS;
} else if (interval.toString().equals("week")) {
f = n * (float) weekMS;
} else if (interval.toString().equals("day")) {
f = n * (float) dayMS;
} else if (interval.toString().equals("hour")) {
f = n * (float) hourMS;
} else if (interval.toString().equals("minute")) {
f = n * (float) minMS;
} else if (interval.toString().equals("second")) {
f = n * (float) secondMS;
} else if (interval.toString().equals("millisecond")) {
f = n;
} else {
throw new IllegalArgumentException("The name of a single unit of measure used as the base interval for the scale in this current TemporalCoordinateSystem is not supported !");
}
response = new Date(origin.getTime() + f.longValue());
return response;
} else {
return null;
}
} else {
throw new IllegalArgumentException("The TemporalCoordinate argument must be a TemporalCoordinate ! ");
}
}
/**
* Returns the equivalent TemporalCoordinate of a Date in Gregorian Calendar.
* Default of unit is millisecond.
* @param dateTime
* @return
*/
public TemporalCoordinate transformDateTime(Date dateTime) {
TemporalCoordinate response;
final long yearMS = 31536000000L;
final long monthMS = 2628000000L;
final long weekMS = 604800000L;
final long dayMS = 86400000L;
final long hourMS = 3600000L;
final long minMS = 60000L;
final long secondMS = 1000L;
Number coordinateValue = Math.abs(dateTime.getTime() - origin.getTime());
if (interval.toString().equals("year")) {
coordinateValue = (float) coordinateValue.longValue() / (float) yearMS;
} else if (interval.toString().equals("month")) {
coordinateValue = (float) coordinateValue.longValue() / (float) monthMS;
} else if (interval.toString().equals("week")) {
coordinateValue = (float) coordinateValue.longValue() / (float) weekMS;
} else if (interval.toString().equals("day")) {
coordinateValue = (float) coordinateValue.longValue() / (float) dayMS;
} else if (interval.toString().equals("hour")) {
coordinateValue = (float) coordinateValue.longValue() / (float) hourMS;
} else if (interval.toString().equals("minute")) {
coordinateValue = (float) coordinateValue.longValue() / (float) minMS;
} else if (interval.toString().equals("second")) {
coordinateValue = (float) coordinateValue.longValue() / (float) secondMS;
}
response = new DefaultTemporalCoordinate(this, null, coordinateValue);
return response;
}
@Override
public boolean equals(final Object object) {
if (object == this) {
return true;
}
if (object instanceof DefaultTemporalCoordinateSystem && super.equals(object)) {
if (object instanceof DefaultTemporalCoordinateSystem) {
final DefaultTemporalCoordinateSystem that = (DefaultTemporalCoordinateSystem) object;
return Utilities.equals(this.interval, that.interval) &&
Utilities.equals(this.origin, that.origin);
}
}
return false;
}
@Override
public int hashCode() {
int hash = 5;
hash = 37 * hash + (this.interval != null ? this.interval.hashCode() : 0);
hash = 37 * hash + (this.origin != null ? this.origin.hashCode() : 0);
return hash;
}
@Override
public String toString() {
StringBuilder s = new StringBuilder("TemporalCoordinateSystem:").append('\n');
if (interval != null) {
s.append("interval:").append(interval).append('\n');
}
if (origin != null) {
s.append("origin:").append(origin).append('\n');
}
return s.toString();
}
}