/**
 * Copyright (C) 2012-2017 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * License version 2 and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 */
package org.n52.sos.ogc.sensorML;

import java.util.List;

import org.n52.sos.util.CollectionHelper;

import com.google.common.collect.Lists;

/**
 * Implementation for sml:ContactList
 * 
 * @author Shane StClair
 * 
 * @since 4.0.0
 */
public class SmlContactList extends SmlContact {
    private List<SmlContact> members;

    public boolean isSetMembers() {
        return !CollectionHelper.nullEmptyOrContainsOnlyNulls(members);
    }

    
    public List<SmlContact> getMembers() {
        return members;
    }

    public void setMembers(List<SmlContact> members) {
        if (isSetMembers()) {
            this.members.addAll(members);
        } else {
            this.members = members;
        }
    }

    public void addMember(SmlContact member) {
        if (!isSetMembers()) {
            this.members = Lists.newArrayList();
        }
        this.members.add(member);
    }
}