private LinkDecor getDecors1(String s) {
		if (s == null) {
			return LinkDecor.NONE;
		}
		s = s.trim();
		if ("<|".equals(s)) {
			return LinkDecor.EXTENDS;
		}
		if ("<".equals(s)) {
			return LinkDecor.ARROW;
		}
		if ("^".equals(s)) {
			return LinkDecor.EXTENDS;
		}
		if ("+".equals(s)) {
			return LinkDecor.PLUS;
		}
		if ("o".equals(s)) {
			return LinkDecor.AGREGATION;
		}
		if ("*".equals(s)) {
			return LinkDecor.COMPOSITION;
		}
		return LinkDecor.NONE;
	}