SafeParse.java

/*
 * Copyright (C) 2013 jonas.oreland@gmail.com
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

package org.runnerup.util;

import android.annotation.TargetApi;
import android.os.Build;

@TargetApi(Build.VERSION_CODES.FROYO)
public class SafeParse {

    public static int parseInt(String string, int defaultValue) {
        try {
            return Integer.parseInt(string);
        } catch (Exception ex) {
        }
        return defaultValue;
    }

    public static long parseLong(String string, long defaultValue) {
        try {
            return Long.parseLong(string);
        } catch (Exception ex) {
        }
        return defaultValue;
    }

    public static double parseDouble(String string, double defaultValue) {
        try {
            return Double.parseDouble(string);
        } catch (Exception ex) {
        }
        return defaultValue;
    }

    /**
     * @param string in form "HH:MM:SS"
     * @param defaultValue
     * @return
     */
    public static long parseSeconds(String string, long defaultValue) {
        try {
            String[] split = string.split(":");
            long mul = 1;
            long sum = 0;
            for (int i = split.length - 1; i >= 0; i--) {
                sum += Long.parseLong(split[i]) * mul;
                mul *= 60;
            }
            return sum;
        } catch (Exception ex) {
        }
        return defaultValue;
    }

    public static int[] parseIntList(final String str) {
        try {
            String[] split = str.split(",");
            int res[] = new int[split.length];
            for (int i = 0; i < split.length; i++) {
                res[i] = Integer.parseInt(split[i]);
            }
            return res;
        } catch (Exception ex) {

        }
        return null;
    }

    public static String storeIntList(int list[]) {
        StringBuilder buf = new StringBuilder();
        buf.append(Integer.toString(list[0]));
        for (int i = 1; i < list.length; i++) {
            buf.append(',').append(Integer.toString(list[i]));
        }
        return buf.toString();
    }
}