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/*************************************************
*
* = PACKAGE
* ACE.OS
*
* = FILENAME
* OS.java
*
*@author Prashant Jain
*
*************************************************/
package ACE.OS;
import java.util.StringTokenizer;
/**
* <hr>
* <h2>SYNOPSIS</h2>
*<blockquote>
* Methods to extend the capabilities of the Java runtime system.
*</blockquote>
*
* <h2>DESCRIPTION</h2>
*<blockquote>
* This non-instantiable class contains little <q>utility functions</q>
* that should have been in Java to begin with :-)
*</blockquote>
*/
public class OS
{
/**
* Create an array of Strings from a single String using <delim> as
* the delimiter.
*@param args the String to break up to make an array of Strings
*@param delim the delimeter to use to break the String up
*@return an array containing the original String broken up
*/
public static String [] createStringArray (String args, String delim)
{
// First determine the number of arguments
int count = 0;
StringTokenizer tokens = new StringTokenizer (args, delim);
while (tokens.hasMoreTokens ())
{
tokens.nextToken ();
count++;
}
if (count == 0)
return null;
// Create argument array
String [] argArray = new String [count];
int index = 0;
tokens = new StringTokenizer (args, " ");
while (tokens.hasMoreTokens ())
{
argArray [index] = tokens.nextToken ();
index++;
}
// Assert index == count
if (index != count)
return null;
else
return argArray;
}
// Default private constructor to avoid instantiation
private OS ()
{
}
}
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