jaroslav@1646: /* jaroslav@1646: * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. jaroslav@1646: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. jaroslav@1646: * jaroslav@1646: * This code is free software; you can redistribute it and/or modify it jaroslav@1646: * under the terms of the GNU General Public License version 2 only, as jaroslav@1646: * published by the Free Software Foundation. Oracle designates this jaroslav@1646: * particular file as subject to the "Classpath" exception as provided jaroslav@1646: * by Oracle in the LICENSE file that accompanied this code. jaroslav@1646: * jaroslav@1646: * This code is distributed in the hope that it will be useful, but WITHOUT jaroslav@1646: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or jaroslav@1646: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License jaroslav@1646: * version 2 for more details (a copy is included in the LICENSE file that jaroslav@1646: * accompanied this code). jaroslav@1646: * jaroslav@1646: * You should have received a copy of the GNU General Public License version jaroslav@1646: * 2 along with this work; if not, write to the Free Software Foundation, jaroslav@1646: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. jaroslav@1646: * jaroslav@1646: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA jaroslav@1646: * or visit www.oracle.com if you need additional information or have any jaroslav@1646: * questions. jaroslav@1646: */ jaroslav@1646: jaroslav@1646: package sun.invoke.empty; jaroslav@1646: jaroslav@1646: /** jaroslav@1646: * An empty class in an empty package. jaroslav@1646: * Used as a proxy for unprivileged code, since making access checks jaroslav@1646: * against it will only succeed against public methods in public types. jaroslav@1646: *

jaroslav@1646: * This class also stands (internally to sun.invoke) for the type of a jaroslav@1646: * value that cannot be produced, because the expression of this type jaroslav@1646: * always returns abnormally. (Cf. Nothing in the closures proposal.) jaroslav@1646: * @author jrose jaroslav@1646: */ jaroslav@1646: public class Empty { jaroslav@1646: private Empty() { throw new InternalError(); } jaroslav@1646: }