package dk.thoerup.traininfo.util;


import java.util.TreeSet;

public class IntSet extends TreeSet<Integer> {
	

	private static final long serialVersionUID = 1L;

	public String toString() {
		StringBuffer sb = new StringBuffer();
		
		for (int i : this) {
			if (sb.length() > 0) {
				sb.append(",");
			}
			sb.append(i);
		}	
		
		return sb.toString();
	}
		
	public void fromString(String intStr) {
		this.clear();
		String parts[] = intStr.split(",");
		for (String istr : parts) {
			this.add( Integer.parseInt(istr));
		}
	}
	
}