0N/A/*
2362N/A * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
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,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 java.lang.reflect.Type;
0N/Aimport sun.reflect.generics.factory.GenericsFactory;
0N/Aimport sun.reflect.generics.parser.SignatureParser;
0N/Aimport sun.reflect.generics.tree.FieldTypeSignature;
0N/Aimport sun.reflect.generics.tree.MethodTypeSignature;
0N/Aimport sun.reflect.generics.tree.TypeSignature;
0N/Aimport sun.reflect.generics.visitor.Reifier;
0N/A
0N/A
0N/A
0N/A/**
0N/A * This class represents the generic type information for a constructor.
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 ConstructorRepository
0N/A extends GenericDeclRepository<MethodTypeSignature> {
0N/A
0N/A private Type[] paramTypes; // caches the generic parameter types info
0N/A private Type[] exceptionTypes; // caches the generic exception types info
0N/A
0N/A // protected, to enforce use of static factory yet allow subclassing
0N/A protected ConstructorRepository(String rawSig, GenericsFactory f) {
0N/A super(rawSig, f);
0N/A }
0N/A
0N/A protected MethodTypeSignature parse(String s) {
0N/A return SignatureParser.make().parseMethodSig(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>ConstructorRepository</tt> that manages the generic type
0N/A * information represented in the signature <tt>rawSig</tt>
0N/A */
0N/A public static ConstructorRepository make(String rawSig,
0N/A GenericsFactory f) {
0N/A return new ConstructorRepository(rawSig, f);
0N/A }
0N/A
0N/A // public API
0N/A
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[] getParameterTypes(){
0N/A if (paramTypes == null) { // lazily initialize parameter types
0N/A // first, extract parameter type subtree(s) from AST
0N/A TypeSignature[] pts = getTree().getParameterTypes();
0N/A // create array to store reified subtree(s)
0N/A Type[] ps = new Type[pts.length];
0N/A // reify all subtrees
0N/A for (int i = 0; i < pts.length; i++) {
0N/A Reifier r = getReifier(); // obtain visitor
0N/A pts[i].accept(r); // reify subtree
0N/A // extract result from visitor and store it
0N/A ps[i] = r.getResult();
0N/A }
0N/A paramTypes = ps; // cache overall result
0N/A }
0N/A return paramTypes.clone(); // return cached result
0N/A }
0N/A
0N/A public Type[] getExceptionTypes(){
0N/A if (exceptionTypes == null) { // lazily initialize exception types
0N/A // first, extract exception type subtree(s) from AST
0N/A FieldTypeSignature[] ets = getTree().getExceptionTypes();
0N/A // create array to store reified subtree(s)
0N/A Type[] es = new Type[ets.length];
0N/A // reify all subtrees
0N/A for (int i = 0; i < ets.length; i++) {
0N/A Reifier r = getReifier(); // obtain visitor
0N/A ets[i].accept(r); // reify subtree
0N/A // extract result from visitor and store it
0N/A es[i] = r.getResult();
0N/A }
0N/A exceptionTypes = es; // cache overall result
0N/A }
0N/A return exceptionTypes.clone(); // return cached result
0N/A }
0N/A}