com.liferay.portal.kernel.util.CSVUtil.java Source code

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Here is the source code for com.liferay.portal.kernel.util.CSVUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library 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 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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.
 */

package com.liferay.portal.kernel.util;

import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringPool;

/**
 * @author Samuel Kong
 */
public class CSVUtil {

    public static String encode(Object obj) {
        Class<?> clazz = obj.getClass();

        if (!clazz.isArray()) {
            return encode(String.valueOf(obj));
        }

        Object[] array = (Object[]) obj;

        return encode(StringUtil.merge(array));
    }

    public static String encode(String s) {
        if (s == null) {
            return null;
        }

        if ((s.indexOf(CharPool.COMMA) < 0) && (s.indexOf(CharPool.QUOTE) < 0) && (s.indexOf(CharPool.NEW_LINE) < 0)
                && (s.indexOf(CharPool.RETURN) < 0)) {

            return s;
        }

        s = StringUtil.replace(s, CharPool.QUOTE, StringPool.DOUBLE_QUOTE);

        return StringPool.QUOTE.concat(s.concat(StringPool.QUOTE));
    }

}