Here you can find the source of integerToBinString(final int aValue, final int aFieldWidth)
| Parameter | Description |
|---|---|
| aValue | integer value for conversion |
| aFieldWidth | number of charakters in field |
public static String integerToBinString(final int aValue, final int aFieldWidth)
//package com.java2s; /*//from w w w . ja v a 2 s.co m * OpenBench LogicSniffer / SUMP project * * 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 St, Fifth Floor, Boston, MA 02110, USA * * * Copyright (C) 2010-2011 J.W. Janssen, www.lxtreme.nl */ public class Main { /** * converts an integer to a bin string with leading zeros * * @param aValue * integer value for conversion * @param aFieldWidth * number of charakters in field * @return a nice string */ public static String integerToBinString(final int aValue, final int aFieldWidth) { // first build a mask to cut off the signed extension final long mask = (long) (Math.pow(2.0, aFieldWidth) - 1L); StringBuilder sb = new StringBuilder(Long.toBinaryString(aValue & mask)); int numberOfLeadingZeros = Math.max(0, aFieldWidth - sb.length()); for (; numberOfLeadingZeros > 0; numberOfLeadingZeros--) { sb.insert(0, '0'); } return sb.toString(); } }