/*
* Copyright (c) 2003, 2004, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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.
*
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package sun.reflect.generics.tree;
import sun.reflect.generics.visitor.TypeTreeVisitor;
public class Wildcard implements TypeArgument {
private FieldTypeSignature[] upperBounds;
private FieldTypeSignature[] lowerBounds;
private Wildcard(FieldTypeSignature[] ubs, FieldTypeSignature[] lbs) {
upperBounds = ubs;
lowerBounds = lbs;
}
private static final FieldTypeSignature[] emptyBounds = new FieldTypeSignature[0];
public static Wildcard make(FieldTypeSignature[] ubs,
FieldTypeSignature[] lbs) {
return new Wildcard(ubs, lbs);
}
public FieldTypeSignature[] getUpperBounds(){
return upperBounds;
}
public FieldTypeSignature[] getLowerBounds(){
if (lowerBounds.length == 1 &&
lowerBounds[0] == BottomSignature.make())
return emptyBounds;
else
return lowerBounds;
}
public void accept(TypeTreeVisitor<?> v){v.visitWildcard(this);}
}