/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package java.util; import org.apache.harmony.kernel.vm.LangAccess; /** * Holder for special cross-package access objects. */ /*package*/ final class SpecialAccess { /** non-null; package access to {@code java.lang} */ static /*package*/ final LangAccess LANG; static { /* * Force ClassCache to be initialized, which should set * EnumSet.LANG_BOOTSTRAP. */ try { Runnable.class.getMethod("run", (Class[]) null); } catch (NoSuchMethodException ex) { ex.printStackTrace(); throw new AssertionError(ex); } // This can only be assigned after the above bootstrap. LANG = EnumSet.LANG_BOOTSTRAP; if (LANG == null) { throw new AssertionError(); } } }