package org.mafagafogigante.dungeon.commands;
import org.apache.commons.lang3.StringUtils;
class StringDistanceMetrics {
static int levenshteinDistance(final String a, final String b) {
if (!CommandLimits.isWithinMaximumCommandLength(a)) {
throw new IllegalArgumentException("input is too big.");
}
if (!CommandLimits.isWithinMaximumCommandLength(b)) {
throw new IllegalArgumentException("input is too big.");
}
return StringUtils.getLevenshteinDistance(a, b);
}
}