ucar.nc2.geotiff.GeoKey Maven / Gradle / Ivy
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/*
* Copyright (c) 1998-2018 John Caron and University Corporation for Atmospheric Research/Unidata
* See LICENSE for license information.
*/
package ucar.nc2.geotiff;
import java.util.*;
/** A GeoKey is a GeoKey.Tag and a value.
* The value may be a String, an array of integers, or an array of doubles.
*
* @author caron
*/
class GeoKey {
boolean isDouble = false, isString = false;
private int count;
private int[] value;
private double[] dvalue;
private String valueS;
private GeoKey.Tag tag;
private GeoKey.TagValue tagValue;
private int id;
/**
* Construct a GeoKey with a Tag and TagValue
* @param tag GeoKey.Tag number
* @param tagValue value
*/
GeoKey( GeoKey.Tag tag, GeoKey.TagValue tagValue) {
this.tag = tag;
this.tagValue = tagValue;
count = 1;
}
GeoKey( GeoKey.Tag tag, int value) {
this.tag = tag;
this.value = new int[1];
this.value[0] = value;
count = 1;
}
GeoKey( GeoKey.Tag tag, int[] value) {
this.tag = tag;
this.value = value;
count = value.length;
}
GeoKey( GeoKey.Tag tag, double[] value) {
this.tag = tag;
this.dvalue = value;
count = value.length;
isDouble = true;
}
GeoKey( GeoKey.Tag tag, double value) {
this.tag = tag;
this.dvalue = new double[1];
this.dvalue[0] = value;
count = 1;
isDouble = true;
}
GeoKey( GeoKey.Tag tag, String value) {
this.tag = tag;
this.valueS = value;
count = 1;
isString = true;
}
int count() { return count; }
int tagCode() {
if (tag != null) return tag.code();
return id;
}
int value() {
if (tagValue != null) return tagValue.value();
return value[0];
}
int value(int idx) {
if (idx == 0)
return value();
return value[idx];
}
double valueD(int idx) {
return dvalue[idx];
}
String valueString() {
return valueS;
}
/**
* Construct a GeoKey with a single integer value.
* @param id GeoKey.Tag number
* @param v value
*/
GeoKey( int id, int v) {
this.id = id;
this.count = 1;
this.tag = GeoKey.Tag.get(id);
this.tagValue = TagValue.get(tag, v);
if (tagValue == null) {
this.value = new int[1];
this.value[0] = v;
}
}
public String toString() {
StringBuilder sbuf = new StringBuilder();
if (tag != null)
sbuf.append(" geoKey = "+tag);
else
sbuf.append(" geoKey = "+id);
if (tagValue != null)
sbuf.append(" value = "+tagValue);
else {
sbuf.append(" values = ");
if (valueS != null)
sbuf.append(valueS);
else if (isDouble)
for (int i=0; i