class CallStackElement {

	public String getShortSignature() {
		if (signature.indexOf('(') == -1 || signature.indexOf(':') != -1) {
			return null;
		}
		String[] split = signature.substring(0, signature.indexOf('(')).split("\\.");
		if (split.length > 1) {
			return split[split.length - 2] + '#' + split[split.length - 1];
		} else {
			return split.length == 1 ? split[0] : "null";
		}
	}

}