package cgeo.geocaching.utils;
import cgeo.geocaching.models.Geocache;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Patterns;
import java.util.regex.Matcher;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.commons.lang3.StringUtils;
public final class CheckerUtils {
private static final String[] CHECKERS = { "geocheck.org/geo_inputchkcoord.php?", "geochecker.com/index.php?", "certitudes.org/certitude?", "geochecker.gps-cache.de/check.aspx?", "gc-apps.com/geochecker" };
private CheckerUtils() {
// utility class
}
@Nullable
public static String getCheckerUrl(@NonNull final Geocache cache) {
final String description = cache.getDescription();
final Matcher matcher = Patterns.WEB_URL.matcher(description);
while (matcher.find()) {
final String url = matcher.group();
for (final String checker : CHECKERS) {
if (StringUtils.containsIgnoreCase(url, checker)) {
return StringEscapeUtils.unescapeHtml4(url);
}
}
}
return null;
}
}