1 /*
   2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.xml.internal.bind.v2.model.nav;
  27 
  28 import java.lang.reflect.Type;
  29 import java.lang.reflect.WildcardType;
  30 import java.util.Arrays;
  31 
  32 /**
  33  * @author Kohsuke Kawaguchi
  34  */
  35 final class WildcardTypeImpl implements WildcardType {
  36 
  37     private final Type[] ub;
  38     private final Type[] lb;
  39 
  40     public WildcardTypeImpl(Type[] ub, Type[] lb) {
  41         this.ub = ub;
  42         this.lb = lb;
  43     }
  44 
  45     public Type[] getUpperBounds() {
  46         return ub;
  47     }
  48 
  49     public Type[] getLowerBounds() {
  50         return lb;
  51     }
  52 
  53     public int hashCode() {
  54         return Arrays.hashCode(lb) ^ Arrays.hashCode(ub);
  55     }
  56 
  57     public boolean equals(Object obj) {
  58         if (obj instanceof WildcardType) {
  59             WildcardType that = (WildcardType) obj;
  60             return Arrays.equals(that.getLowerBounds(),lb)
  61                 && Arrays.equals(that.getUpperBounds(),ub);
  62         }
  63         return false;
  64     }
  65 }