/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2017 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2017 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.core.xml;

import javax.xml.bind.annotation.adapters.XmlAdapter;

public class YesNoAdapter extends XmlAdapter<String, Boolean> {

    @Override
    public Boolean unmarshal(final String v) throws Exception {
        if ("yes".equalsIgnoreCase(v)) return true;
        if ("no".equalsIgnoreCase(v)) return false;
        return Boolean.valueOf(v);
    }

    @Override
    public String marshal(final Boolean v) throws Exception {
        if (v == null) {
            return null;
        }
        if (v) {
            return "yes";
        } else {
            return "no";
        }
    }

}

add an XML adapter for yes/no -> boolean