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package cgeo.geocaching.connector.gc;
import cgeo.geocaching.utils.MatcherWrapper;
import java.util.regex.Pattern;
/**
* Representation of a position inside an UTFGrid
*/
final class UTFGridPosition {
final int x;
final int y;
private final static Pattern PATTERN_JSON_KEY = Pattern.compile("[^\\d]*" + "(\\d+),\\s*(\\d+)" + "[^\\d]*"); // (12, 34)
UTFGridPosition(final int x, final int y) {
if (x < 0 || x > UTFGrid.GRID_MAXX) {
throw new IllegalArgumentException("x outside bounds");
}
if (y < 0 || y > UTFGrid.GRID_MAXY) {
throw new IllegalArgumentException("y outside bounds");
}
this.x = x;
this.y = y;
}
public int getX() {
return x;
}
public int getY() {
return y;
}
/**
* @param key
* Key in the format (xx, xx)
*/
static UTFGridPosition fromString(final String key) {
final MatcherWrapper matcher = new MatcherWrapper(UTFGridPosition.PATTERN_JSON_KEY, key);
try {
if (matcher.matches()) {
final int x = Integer.parseInt(matcher.group(1));
final int y = Integer.parseInt(matcher.group(2));
return new UTFGridPosition(x, y);
}
} catch (final NumberFormatException ignored) {
}
return new UTFGridPosition(0, 0);
}
}
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