0N/A/*
2362N/A * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
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2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/Apackage sun.reflect.generics.repository;
0N/A
0N/Aimport sun.reflect.generics.factory.GenericsFactory;
0N/Aimport sun.reflect.generics.tree.ClassSignature;
0N/Aimport sun.reflect.generics.tree.TypeTree;
0N/Aimport sun.reflect.generics.visitor.Reifier;
0N/Aimport sun.reflect.generics.parser.SignatureParser;
0N/Aimport java.lang.reflect.Type;
0N/A
0N/A
0N/A/**
0N/A * This class represents the generic type information for a class.
0N/A * The code is not dependent on a particular reflective implementation.
0N/A * It is designed to be used unchanged by at least core reflection and JDI.
0N/A */
0N/Apublic class ClassRepository extends GenericDeclRepository<ClassSignature> {
0N/A
0N/A private Type superclass; // caches the generic superclass info
0N/A private Type[] superInterfaces; // caches the generic superinterface info
0N/A
0N/A // private, to enforce use of static factory
0N/A private ClassRepository(String rawSig, GenericsFactory f) {
0N/A super(rawSig, f);
0N/A }
0N/A
0N/A protected ClassSignature parse(String s) {
0N/A return SignatureParser.make().parseClassSig(s);
0N/A }
0N/A
0N/A /**
0N/A * Static factory method.
0N/A * @param rawSig - the generic signature of the reflective object
0N/A * that this repository is servicing
0N/A * @param f - a factory that will provide instances of reflective
0N/A * objects when this repository converts its AST
0N/A * @return a <tt>ClassRepository</tt> that manages the generic type
0N/A * information represented in the signature <tt>rawSig</tt>
0N/A */
0N/A public static ClassRepository make(String rawSig, GenericsFactory f) {
0N/A return new ClassRepository(rawSig, f);
0N/A }
0N/A
0N/A // public API
0N/A /*
0N/A * When queried for a particular piece of type information, the
0N/A * general pattern is to consult the corresponding cached value.
0N/A * If the corresponding field is non-null, it is returned.
0N/A * If not, it is created lazily. This is done by selecting the appropriate
0N/A * part of the tree and transforming it into a reflective object
0N/A * using a visitor.
0N/A * a visitor, which is created by feeding it the factory
0N/A * with which the repository was created.
0N/A */
0N/A
0N/A public Type getSuperclass(){
0N/A if (superclass == null) { // lazily initialize superclass
0N/A Reifier r = getReifier(); // obtain visitor
0N/A // Extract superclass subtree from AST and reify
0N/A getTree().getSuperclass().accept(r);
0N/A // extract result from visitor and cache it
0N/A superclass = r.getResult();
0N/A }
0N/A return superclass; // return cached result
0N/A }
0N/A
0N/A public Type[] getSuperInterfaces(){
0N/A if (superInterfaces == null) { // lazily initialize super interfaces
0N/A // first, extract super interface subtree(s) from AST
0N/A TypeTree[] ts = getTree().getSuperInterfaces();
0N/A // create array to store reified subtree(s)
0N/A Type[] sis = new Type[ts.length];
0N/A // reify all subtrees
0N/A for (int i = 0; i < ts.length; i++) {
0N/A Reifier r = getReifier(); // obtain visitor
0N/A ts[i].accept(r);// reify subtree
0N/A // extract result from visitor and store it
0N/A sis[i] = r.getResult();
0N/A }
0N/A superInterfaces = sis; // cache overall result
0N/A }
0N/A return superInterfaces.clone(); // return cached result
0N/A }
0N/A}