| /* |
| * Copyright 2004 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.type; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import com.sun.mirror.declaration.*; |
| import com.sun.mirror.type.*; |
| import com.sun.mirror.util.TypeVisitor; |
| import com.sun.tools.apt.mirror.AptEnv; |
| import com.sun.tools.javac.code.*; |
| import com.sun.tools.javac.code.Symbol.*; |
| |
| |
| /** |
| * Implementation of WildcardType |
| */ |
| |
| public class WildcardTypeImpl extends TypeMirrorImpl implements WildcardType { |
| |
| protected Type.WildcardType type; |
| |
| WildcardTypeImpl(AptEnv env, Type.WildcardType type) { |
| super(env, type); |
| this.type = type; |
| } |
| |
| |
| /** |
| * Returns the string form of a wildcard type, consisting of "?" |
| * and any "extends" or "super" clause. |
| * Delimiting brackets are not included. Class names are qualified. |
| */ |
| public String toString() { |
| return toString(env, type); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Collection<ReferenceType> getUpperBounds() { |
| return type.isSuperBound() |
| ? Collections.<ReferenceType>emptyList() |
| : typeToCollection(type.type); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Collection<ReferenceType> getLowerBounds() { |
| return type.isExtendsBound() |
| ? Collections.<ReferenceType>emptyList() |
| : typeToCollection(type.type); |
| } |
| |
| /** |
| * Gets the ReferenceType for a javac Type object, and returns |
| * it in a singleton collection. If type is null, returns an empty |
| * collection. |
| */ |
| private Collection<ReferenceType> typeToCollection(Type type) { |
| ArrayList<ReferenceType> res = new ArrayList<ReferenceType>(1); |
| if (type != null) { |
| res.add((ReferenceType) env.typeMaker.getType(type)); |
| } |
| return res; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void accept(TypeVisitor v) { |
| v.visitWildcardType(this); |
| } |
| |
| |
| /** |
| * Returns the string form of a wildcard type, consisting of "?" |
| * and any "extends" or "super" clause. |
| * See {@link #toString()} for details. |
| */ |
| static String toString(AptEnv env, Type.WildcardType wildThing) { |
| return wildThing.toString(); |
| } |
| } |