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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2004, 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 sun.reflect.generics.reflectiveObjects; | ||
| 27 | |||
| 28 | import java.lang.reflect.GenericArrayType; | ||
| 29 | import java.lang.reflect.Type; | ||
| 30 | |||
| 31 | |||
| 32 | /** | ||
| 33 | * Implementation of GenericArrayType interface for core reflection. | ||
| 34 | */ | ||
| 35 | public class GenericArrayTypeImpl | ||
| 36 | implements GenericArrayType { | ||
| 37 | private Type genericComponentType; | ||
| 38 | |||
| 39 | // private constructor enforces use of static factory | ||
| 40 | private GenericArrayTypeImpl(Type ct) { | ||
| 41 | genericComponentType = ct; | ||
| 42 | } | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Factory method. | ||
| 46 | * @param ct - the desired component type of the generic array type | ||
| 47 | * being created | ||
| 48 | * @return a generic array type with the desired component type | ||
| 49 | */ | ||
| 50 | public static GenericArrayTypeImpl make(Type ct) { | ||
| 51 | return new GenericArrayTypeImpl(ct); | ||
| 52 | } | ||
| 53 | |||
| 54 | |||
| 55 | /** | ||
| 56 | * Returns a <tt>Type</tt> object representing the component type | ||
| 57 | * of this array. | ||
| 58 | * | ||
| 59 | * @return a <tt>Type</tt> object representing the component type | ||
| 60 | * of this array | ||
| 61 | * @since 1.5 | ||
| 62 | */ | ||
| 63 | public Type getGenericComponentType() { | ||
| 64 | return genericComponentType; // return cached component type | ||
| 65 | } | ||
| 66 | |||
| 67 | public String toString() { | ||
| 68 | Type componentType = getGenericComponentType(); | ||
| 69 | StringBuilder sb = new StringBuilder(); | ||
| 70 | |||
| 71 | if (componentType instanceof Class) | ||
| 72 | sb.append(((Class)componentType).getName() ); | ||
| 73 | else | ||
| 74 | sb.append(componentType.toString()); | ||
| 75 | sb.append("[]"); | ||
| 76 | return sb.toString(); | ||
| 77 | } | ||
| 78 | |||
| 79 | @Override | ||
| 80 | public boolean equals(Object o) { | ||
| 81 | if (o instanceof GenericArrayType) { | ||
| 82 | GenericArrayType that = (GenericArrayType) o; | ||
| 83 | |||
| 84 | Type thatComponentType = that.getGenericComponentType(); | ||
| 85 | return genericComponentType == null ? | ||
| 86 | thatComponentType == null : | ||
| 87 | genericComponentType.equals(thatComponentType); | ||
| 88 | } else | ||
| 89 | return false; | ||
| 90 | } | ||
| 91 | |||
| 92 | @Override | ||
| 93 | public int hashCode() { | ||
| 94 | return (genericComponentType == null) ? | ||
| 95 | 0: | ||
| 96 | genericComponentType.hashCode(); | ||
| 97 | } | ||
| 98 | } | ||