Mega Code Archive
Pads the string with 0x and zeros on the left until it has the requested size
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/*
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*/
//package org.ancora.SharedLibrary;
/**
* Methods for bit manipulation.
*
* @author Joao Bispo
*/
public class Util{
private static final String ZERO = "0";
private static final String HEX_PREFIX = "0x";
/**
* Pads the string with 0x and zeros on the left until it has the
* requested size.
*
* @param hexNumber
* @param size
* @return
*/
public static String padHexString(String hexNumber, int size) {
int stringSize = hexNumber.length();
if(stringSize >= size) {
return hexNumber;
}
int numZeros = size - stringSize;
StringBuilder builder = new StringBuilder(numZeros+HEX_PREFIX.length());
builder.append(HEX_PREFIX);
for(int i=0; i<numZeros; i++) {
builder.append(ZERO);
}
return builder.toString() + hexNumber;
}
}
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