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59 lines
2.2 KiB
Java
59 lines
2.2 KiB
Java
/*
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* Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.reflect.generics.tree;
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import sun.reflect.generics.visitor.TypeTreeVisitor;
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public class Wildcard implements TypeArgument {
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private final FieldTypeSignature[] upperBounds;
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private final FieldTypeSignature[] lowerBounds;
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private Wildcard(FieldTypeSignature[] ubs, FieldTypeSignature[] lbs) {
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upperBounds = ubs;
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lowerBounds = lbs;
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}
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private static final FieldTypeSignature[] emptyBounds = new FieldTypeSignature[0];
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public static Wildcard make(FieldTypeSignature[] ubs,
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FieldTypeSignature[] lbs) {
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return new Wildcard(ubs, lbs);
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}
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public FieldTypeSignature[] getUpperBounds() {
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return upperBounds;
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}
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public FieldTypeSignature[] getLowerBounds() {
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if (lowerBounds.length == 1 &&
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lowerBounds[0] == BottomSignature.make())
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return emptyBounds;
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else
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return lowerBounds;
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}
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public void accept(TypeTreeVisitor<?> v){v.visitWildcard(this);}
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}
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