1 /* 2 * Copyright (c) 2003, 2013, 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 import java.util.Objects; 31 32 /** 33 * Implementation of GenericArrayType interface for core reflection. 34 */ 35 public class GenericArrayTypeImpl 36 implements GenericArrayType { 37 private final 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 {@code Type} object representing the component type 57 * of this array. 58 * 59 * @return a {@code Type} 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 return Objects.equals(genericComponentType, that.getGenericComponentType()); 85 } else 86 return false; 87 } 88 89 @Override 90 public int hashCode() { 91 return Objects.hashCode(genericComponentType); 92 } 93 }