Get Percent Value
/*
* Cobertura - http://cobertura.sourceforge.net/
*
* Copyright (C) 2005 Jeremy Thomerson
*
* Note: This file is dual licensed under the GPL and the Apache
* Source License (so that it can be used from both the main
* Cobertura classes and the ant tasks).
*
* Cobertura 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.
*
* Cobertura 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 Cobertura; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
import java.text.NumberFormat;
/**
* Abstract, not to be instantiated utility class for String functions.
*
* @author Jeremy Thomerson
*/
public abstract class StringUtil
{
/**
* <p>
* Replaces all instances of "replace" with "with" from the "original"
* string.
* </p>
*
* <p>
* NOTE: it is known that a similar function is included in jdk 1.4 as replaceAll(),
* but is written here so as to allow backward compatibility to users using SDK's
* prior to 1.4
* </p>
*
* @param original The original string to do replacement on.
* @param replace The string to replace.
* @param with The string to replace "replace" with.
* @return The replaced string.
*/
public static String replaceAll(String original, String replace, String with)
{
if (original == null)
{
return original;
}
final int len = replace.length();
StringBuffer sb = new StringBuffer(original.length());
int start = 0;
int found = -1;
while ((found = original.indexOf(replace, start)) != -1)
{
sb.append(original.substring(start, found));
sb.append(with);
start = found + len;
}
sb.append(original.substring(start));
return sb.toString();
}
/**
* Takes a double and turns it into a percent string.
* Ex. 0.5 turns into 50%
*
* @param value
* @return corresponding percent string
*/
public static String getPercentValue(double value)
{
//moved from HTMLReport.getPercentValue()
value = Math.floor(value * 100) / 100; //to represent 199 covered lines from 200 as 99% covered, not 100 %
return NumberFormat.getPercentInstance().format(value);
}
}
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