NumberUtils.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package net.sf.gridarta.utils;

import org.jetbrains.annotations.NotNull;

public class NumberUtils {

    private NumberUtils() {
    }

    public static int parseInt(@NotNull final String s) {
        return parseInt(s, 0);
    }

    public static int parseInt(@NotNull final String s, final int defaultValue) {
        if (s.isEmpty()) {
            return defaultValue;
        }

        try {
            return Integer.parseInt(s);
        } catch (final NumberFormatException ignored) {
            return defaultValue;
        }
    }

    public static long parseLong(@NotNull final String s) {
        if (s.isEmpty()) {
            return 0L;
        }

        try {
            return Long.parseLong(s);
        } catch (final NumberFormatException ignored) {
            return 0L;
        }
    }

    public static double parseDouble(@NotNull final String s) {
        if (s.isEmpty()) {
            return 0.0;
        }

        try {
            return Double.parseDouble(s);
        } catch (final NumberFormatException ignored) {
            return 0.0;
        }
    }

}