Java Number Format formatNumber(int value, int width, char c)

Description

format Number

License

Open Source License

Declaration

static public String formatNumber(int value, int width, char c) 

Method Source Code

//package com.java2s;
/*-GNU-GPL-BEGIN-*/*from www. java 2  s  . co  m*/
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*-GNU-GPL-END-*/

public class Main {
    static public String formatNumber(int value, int width, char c) {
        String str = String.valueOf(value);
        if (str.length() > width)
            str = str.substring(0, width);
        return leftPad(str, width, c);
    }

    static public String formatNumber(int value, int width) {
        return formatNumber(value, width, ' ');
    }

    static public String leftPad(String str, int width, char c) {
        int len = str.length();
        if (width <= len)
            return str;
        int pad = width - len;

        StringBuffer buf = new StringBuffer(width);

        for (int i = 0; i < pad; ++i)
            buf.append(c);
        buf.append(str);

        return buf.toString();
    }

    static public String leftPad(String str, int width) {
        return leftPad(str, width, ' ');
    }
}

Related

1. formatNumber(final StringBuilder buf, final long number)
2. formatNumber(float num, int fragmentSize)
3. formatNumber(int number)
4. formatNumber(int number, int zeros)
5. formatNumber(int theNumber, int theNumberOfDigits)
6. formatNumber(Integer i, int bisectNumber)
7. FormatNumber(Integer pNumber, int tolLen)
8. formatNumber(long i, int digits)
9. formatNumber(long number)