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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.geo;
public class ParseDistance {
// according to wikipedia:
// Earth's equatorial radius = 6378137 meter - not used
// meters per mile = 1609.344
// 180 degrees equals one half diameter equals PI*r
// Earth's polar radius = 6356752 meter
public final static double m2deg = 180.0 / (Math.PI * 6356752.0);
public final static double km2deg = 1000.000 * 180.0 / (Math.PI * 6356752.0);
public final static double mi2deg = 1609.344 * 180.0 / (Math.PI * 6356752.0);
public double degrees = 0.0;
public ParseDistance(String distance) {
if (distance.endsWith(" km")) {
double km = Double.valueOf(distance.substring(0, distance.length()-3));
degrees = km * km2deg;
} else if (distance.endsWith(" m")) {
double meters = Double.valueOf(distance.substring(0, distance.length()-2));
degrees = meters * m2deg;
} else if (distance.endsWith(" miles")) {
double miles = Double.valueOf(distance.substring(0, distance.length()-6));
degrees = miles * mi2deg;
} else if (distance.endsWith(" mi")) {
double miles = Double.valueOf(distance.substring(0, distance.length()-3));
degrees = miles * mi2deg;
} else if (distance.endsWith(" deg")) {
degrees = Double.valueOf(distance.substring(0, distance.length()-4));
} else if (distance.endsWith(" d")) {
degrees = Double.valueOf(distance.substring(0, distance.length()-2));
} else if (distance.endsWith("km")) {
double km = Double.valueOf(distance.substring(0, distance.length()-2));
degrees = km * km2deg;
} else if (distance.endsWith("m")) {
double meters = Double.valueOf(distance.substring(0, distance.length()-1));
degrees = meters * m2deg;
} else if (distance.endsWith("miles")) {
double miles = Double.valueOf(distance.substring(0, distance.length()-5));
degrees = miles * mi2deg;
} else if (distance.endsWith("mi")) {
double miles = Double.valueOf(distance.substring(0, distance.length()-2));
degrees = miles * mi2deg;
} else if (distance.endsWith("deg")) {
degrees = Double.valueOf(distance.substring(0, distance.length()-3));
} else if (distance.endsWith("d")) {
degrees = Double.valueOf(distance.substring(0, distance.length()-1));
} else {
degrees = Integer.parseInt(distance) * 0.000001;
}
}
}
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