ServiceProviderNameComparator.java

package com.tradecloud.domain.party;

import java.util.Comparator;

/**
 * Created by ds on 2016/08/02.
 */
public class ServiceProviderNameComparator implements Comparator<ServiceProvider> {

    @Override
    public int compare(ServiceProvider o1, ServiceProvider o2) {
        String partyName1 = o1.getName();
        String partyName2 = o2.getName();
        if (partyName1 != null && partyName2 != null) {
            return partyName1.compareTo(partyName2);
        } else if (partyName1 == null && partyName2 == null) {
            return 0;
        } else if (partyName1 != null) {
            return -1;
        } else if (partyName2 != null) {
            return 1;
        }
        return 0;
    }
}