package com.mot.labs.ucsl.util;

public class StringTokenizer {

	private String left;
	private char delim;
	
	public StringTokenizer(String s, char delim) {
		this.left = s;
		if (this.left == null) {
			this.left = "";
		}
		this.delim = delim;
	}
	
	public boolean hasMoreTokens() {
		int i = left.length();
		if (i>0) {
			return true;
		}
		else {
			return false;
		}
	}
	
	public String nextToken() {
		StringBuffer s = new StringBuffer();
		boolean done = false;
		int pos = 0;
		boolean end = false;
		while(!done) {
			if (left.length() > pos) {
				char c = left.charAt(pos);
				if (c != delim) {
					s.append(c);
				}
				else if (!done && s.length() > 0) {
					done = true;
				}
				else if ((pos + 1) == left.length()) {
					done = true;
				}
			}
			else {
				done = true;
				end = true;
			}
			pos++;
		}
		String token = s.toString();
		if (end) {
			left = "";
		}
		else {
			left = left.substring(pos);
		}
		return token;
	}
}