| /* |
| * Copyright 2004-2005 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.tools.apt.mirror.declaration; |
| |
| |
| import java.util.Collection; |
| import java.util.ArrayList; |
| |
| import com.sun.mirror.declaration.*; |
| import com.sun.mirror.type.ReferenceType; |
| import com.sun.mirror.util.DeclarationVisitor; |
| import com.sun.tools.apt.mirror.AptEnv; |
| import com.sun.tools.javac.code.*; |
| import com.sun.tools.javac.code.Symbol.*; |
| |
| |
| /** |
| * Implementation of TypeParameterDeclaration |
| */ |
| |
| public class TypeParameterDeclarationImpl extends DeclarationImpl |
| implements TypeParameterDeclaration |
| { |
| protected TypeSymbol sym; |
| |
| |
| TypeParameterDeclarationImpl(AptEnv env, TypeSymbol sym) { |
| super(env, sym); |
| this.sym = sym; |
| } |
| |
| |
| /** |
| * Returns the type parameter's name along with any "extends" clause. |
| * Class names are qualified. No implicit "extends Object" is added. |
| */ |
| public String toString() { |
| return toString(env, (Type.TypeVar) sym.type); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Collection<ReferenceType> getBounds() { |
| ArrayList<ReferenceType> res = new ArrayList<ReferenceType>(); |
| for (Type t : env.jctypes.getBounds((Type.TypeVar) sym.type)) { |
| res.add((ReferenceType) env.typeMaker.getType(t)); |
| } |
| return res; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Declaration getOwner() { |
| Symbol owner = sym.owner; |
| return ((owner.kind & Kinds.TYP) != 0) |
| ? env.declMaker.getTypeDeclaration((ClassSymbol) owner) |
| : env.declMaker.getExecutableDeclaration((MethodSymbol) owner); |
| } |
| |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void accept(DeclarationVisitor v) { |
| v.visitTypeParameterDeclaration(this); |
| } |
| |
| |
| /** |
| * Returns the type parameter's name along with any "extends" clause. |
| * See {@link #toString()} for details. |
| */ |
| static String toString(AptEnv env, Type.TypeVar tv) { |
| StringBuilder s = new StringBuilder(); |
| s.append(tv); |
| boolean first = true; |
| for (Type bound : getExtendsBounds(env, tv)) { |
| s.append(first ? " extends " : " & "); |
| s.append(env.typeMaker.typeToString(bound)); |
| first = false; |
| } |
| return s.toString(); |
| } |
| |
| /** |
| * Returns the bounds of a type variable, eliding java.lang.Object |
| * if it appears alone. |
| */ |
| private static Iterable<Type> getExtendsBounds(AptEnv env, |
| Type.TypeVar tv) { |
| return (tv.getUpperBound().tsym == env.symtab.objectType.tsym) |
| ? com.sun.tools.javac.util.List.<Type>nil() |
| : env.jctypes.getBounds(tv); |
| } |
| } |