jodd-servlet/src/main/java/jodd/servlet/ServletUtil.java
public static Object getRequestParameter(final ServletRequest request, final String name) {
		String[] values = request.getParameterValues(name);
		if (values == null) {
			return null;
		}
		if (values.length == 1) {
			return values[0];
		}
		return values;
	}
public static Object getRequestParameter(final ServletRequest request, final String name) {
		String[] values = request.getParameterValues(name);
		if (values == null) {
			return null;
		}
		if (values.length == 1) {
			return values[0];
		}
		return values;
	}
Returns HTTP request parameter as String or String[].