org.kiwiproject.consul.util.Lists Maven / Gradle / Ivy

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package org.kiwiproject.consul.util;

import static java.util.Objects.isNull;

import java.util.List;
import java.util.Optional;

public class Lists {

    private Lists() {
        // utility class
    }

    public static  Optional firstValueOrEmpty(List list) {
        return isNullOrEmpty(list) ? Optional.empty() : Optional.of(list.get(0));
    }

    public static  boolean isNullOrEmpty(List list) {
        return isNull(list) || list.isEmpty();
    }
}