1 /* 2 * Copyright (c) 2003, 2011, 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 30 31 /** 32 * This class represents the scope containing the type variables of 33 * a constructor. 34 */ 35 public class ConstructorScope extends AbstractScope<Constructor<?>> { 36 37 // constructor is private to enforce use of factory method ConstructorScope(Constructor<?> c)38 private ConstructorScope(Constructor<?> c){ 39 super(c); 40 } 41 42 // utility method; computes enclosing class, from which we can 43 // derive enclosing scope. getEnclosingClass()44 private Class<?> getEnclosingClass(){ 45 return getRecvr().getDeclaringClass(); 46 } 47 48 /** 49 * Overrides the abstract method in the superclass. 50 * @return the enclosing scope 51 */ computeEnclosingScope()52 protected Scope computeEnclosingScope() { 53 // the enclosing scope of a (generic) constructor is the scope of the 54 // class in which it was declared. 55 return ClassScope.make(getEnclosingClass()); 56 } 57 58 /** 59 * Factory method. Takes a {@code Constructor} object and creates a 60 * scope for it. 61 * @param c - A Constructor whose scope we want to obtain 62 * @return The type-variable scope for the constructor m 63 */ make(Constructor<?> c)64 public static ConstructorScope make(Constructor<?> c) { 65 return new ConstructorScope(c); 66 } 67 } 68