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.GenericArrayType;
  29 import java.lang.reflect.Type;
  30 
  31 /**
  32  * Implementation of GenericArrayType interface for core reflection.
  33  */
  34 final class GenericArrayTypeImpl implements GenericArrayType {
  35     private Type genericComponentType;
  36 
  37     GenericArrayTypeImpl(Type ct) {
  38         assert ct!=null;
  39         genericComponentType = ct;
  40     }
  41 
  42     /**
  43      * Returns  a {@code Type} object representing the component type
  44      * of this array.
  45      *
  46      * @return a {@code Type} object representing the component type
  47      *         of this array
  48      * @since 1.5
  49      */
  50     public Type getGenericComponentType() {
  51         return genericComponentType; // return cached component type
  52     }
  53 
  54     public String toString() {
  55         Type componentType = getGenericComponentType();
  56         StringBuilder sb = new StringBuilder();
  57 
  58         if (componentType instanceof Class)
  59             sb.append(((Class) componentType).getName());
  60         else
  61             sb.append(componentType.toString());
  62         sb.append("[]");
  63         return sb.toString();
  64     }
  65 
  66     @Override
  67     public boolean equals(Object o) {
  68         if (o instanceof GenericArrayType) {
  69             GenericArrayType that = (GenericArrayType) o;
  70 
  71             Type thatComponentType = that.getGenericComponentType();
  72             return genericComponentType.equals(thatComponentType);
  73         } else
  74             return false;
  75     }
  76 
  77     @Override
  78     public int hashCode() {
  79         return genericComponentType.hashCode();
  80     }
  81 }