Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Soyatec - initial API and implementation *******************************************************************************/ public class Main { private static Class<?> JFACES_VIEWER; public static boolean isViewer(Object obj) { if (JFACES_VIEWER == null || obj == null) return false; return JFACES_VIEWER.isAssignableFrom(obj.getClass()); } }