/* * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.reflect.generics.scope; import java.lang.reflect.Constructor;import java.lang.reflect.Method;  /** * This class represents the scope containing the type variables of * a class. */public class ClassScope extends AbstractScope<Class<?>> implements Scope {     // constructor is private to enforce use of factory method    private ClassScope(Class<?> c){        super(c);    }     /**     * Overrides the abstract method in the superclass.     * @return the enclosing scope     */    protected Scope computeEnclosingScope() {        Class<?> receiver = getRecvr();         Method m = receiver.getEnclosingMethod();        if (m != null)            // Receiver is a local or anonymous class enclosed in a            // method.            return MethodScope.make(m);         Constructor<?> cnstr = receiver.getEnclosingConstructor();        if (cnstr != null)            // Receiver is a local or anonymous class enclosed in a            // constructor.            return ConstructorScope.make(cnstr);         Class<?> c = receiver.getEnclosingClass();        // if there is a declaring class, recvr is a member class        // and its enclosing scope is that of the declaring class        if (c != null)            // Receiver is a local class, an anonymous class, or a            // member class (static or not).            return ClassScope.make(c);         // otherwise, recvr is a top level class, and it has no real        // enclosing scope.        return DummyScope.make();    }     /**     * Factory method. Takes a <tt>Class</tt> object and creates a     * scope for it.     * @param c - a Class whose scope we want to obtain     * @return The type-variable scope for the class c     */    public static ClassScope make(Class<?> c) { return new ClassScope(c);} }