Showing the changes to java/pkg/sun/reflect/generics/scope/ClassScope.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.reflect.generics.scope; | ||
| 27 | |||
| 28 | import java.lang.reflect.Constructor; | ||
| 29 | import java.lang.reflect.Method; | ||
| 30 | |||
| 31 | |||
| 32 | /** | ||
| 33 | * This class represents the scope containing the type variables of | ||
| 34 | * a class. | ||
| 35 | */ | ||
| 36 | public class ClassScope extends AbstractScope<Class<?>> implements Scope { | ||
| 37 | |||
| 38 | // constructor is private to enforce use of factory method | ||
| 39 | private ClassScope(Class<?> c){ | ||
| 40 | super(c); | ||
| 41 | } | ||
| 42 | |||
| 43 | /** | ||
| 44 | * Overrides the abstract method in the superclass. | ||
| 45 | * @return the enclosing scope | ||
| 46 | */ | ||
| 47 | protected Scope computeEnclosingScope() { | ||
| 48 | Class<?> receiver = getRecvr(); | ||
| 49 | |||
| 50 | Method m = receiver.getEnclosingMethod(); | ||
| 51 | if (m != null) | ||
| 52 | // Receiver is a local or anonymous class enclosed in a | ||
| 53 | // method. | ||
| 54 | return MethodScope.make(m); | ||
| 55 | |||
| 56 | Constructor<?> cnstr = receiver.getEnclosingConstructor(); | ||
| 57 | if (cnstr != null) | ||
| 58 | // Receiver is a local or anonymous class enclosed in a | ||
| 59 | // constructor. | ||
| 60 | return ConstructorScope.make(cnstr); | ||
| 61 | |||
| 62 | Class<?> c = receiver.getEnclosingClass(); | ||
| 63 | // if there is a declaring class, recvr is a member class | ||
| 64 | // and its enclosing scope is that of the declaring class | ||
| 65 | if (c != null) | ||
| 66 | // Receiver is a local class, an anonymous class, or a | ||
| 67 | // member class (static or not). | ||
| 68 | return ClassScope.make(c); | ||
| 69 | |||
| 70 | // otherwise, recvr is a top level class, and it has no real | ||
| 71 | // enclosing scope. | ||
| 72 | return DummyScope.make(); | ||
| 73 | } | ||
| 74 | |||
| 75 | /** | ||
| 76 | * Factory method. Takes a <tt>Class</tt> object and creates a | ||
| 77 | * scope for it. | ||
| 78 | * @param c - a Class whose scope we want to obtain | ||
| 79 | * @return The type-variable scope for the class c | ||
| 80 | */ | ||
| 81 | public static ClassScope make(Class<?> c) { return new ClassScope(c);} | ||
| 82 | |||
| 83 | } | ||