public void setCategories(List categories) { this.categories = categories;
public void setCategories(String categories) { if(categories!=null){ ArrayList cats = new ArrayList(); StringTokenizer tokenizer = new StringTokenizer(categories,listDelim); while(tokenizer.hasMoreTokens()){ cats.add(tokenizer.nextToken()); } this.categories = (cats.isEmpty())?null:cats; } else { this.categories = null; }
	public void setCategories(List categories) {		this.categories = categories;	}