/**
 * Copyright (C) 2012-2013 Selventa, Inc.
 *
 * This file is part of the OpenBEL Framework.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The OpenBEL Framework 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the OpenBEL Framework. If not, see <http://www.gnu.org/licenses/>.
 *
 * Additional Terms under LGPL v3:
 *
 * This license does not authorize you and you are prohibited from using the
 * name, trademarks, service marks, logos or similar indicia of Selventa, Inc.,
 * or, in the discretion of other licensors or authors of the program, the
 * name, trademarks, service marks, logos or similar indicia of such authors or
 * licensors, in any marketing or advertising materials relating to your
 * distribution of the program or any covered product. This restriction does
 * not waive or limit your obligation to keep intact all copyright notices set
 * forth in the program as delivered to you.
 *
 * If you distribute the program in whole or in part, or any modified version
 * of the program, and you assume contractual liability to the recipient with
 * respect to the program or modified version, then you will indemnify the
 * authors and licensors of the program for any liabilities that these
 * contractual assumptions directly impose on those licensors and authors.
 */
package org.openbel.bel.model;

import java.io.Serializable;

public class BELObject implements Serializable {
    private static final long serialVersionUID = 5093228601825784970L;
    private static final String LINE_CONTINUATOR = "\\\\\\r?\\n";

    /**
     * Cleans the value of the following:<ol>
     * <li>Line continuator token - \\n or \\r\n</li>
     * <li>Leading / Trailing double quotes</li>
     * </ol>
     *
     * @param value {@link String} the value
     * @return {@link String} the cleaned string, or <tt>null</tt>
     * if <tt>value</tt> was <tt>null</tt>
     */
    protected String clean(String value) {
        if (value == null) {
            return null;
        }

        if (value.startsWith("\"")
                && value.endsWith("\"")) {
            value = value.substring(1, value.length() - 1);
        }

        return value.replaceAll(LINE_CONTINUATOR, "");
    }
}