Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*************************************************************************************************
 * Java binding of Tokyo Cabinet
 *                                                               Copyright (C) 2006-2010 FAL Labs
 * This file is part of Tokyo Cabinet.
 * Tokyo Cabinet 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 any later version.  Tokyo Cabinet 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 Tokyo
 * Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA.
 *************************************************************************************************/

public class Main {
    /**
     * Convert a integer to string.
     * @param num a number.
     * @param cols the number of columns.  The result string may be longer than it.
     * @param padding a padding character to fulfil columns with.
     * @return the result string.
     */
    public static String itoa(long num, int cols, char padding) {
        StringBuffer sb = new StringBuffer(cols);
        boolean minus = false;
        if (num < 0) {
            num *= -1;
            cols--;
            minus = true;
        }
        int i = 0;
        while (num > 0) {
            sb.insert(0, num % 10);
            num /= 10;
            i++;
        }
        while (i < cols) {
            sb.insert(0, padding);
            i++;
        }
        if (minus)
            sb.insert(0, '-');
        return sb.toString();
    }
}