1 /* 2 * Copyright (c) 2011, 2015, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package jdk.vm.ci.meta; 24 25 /** 26 * Implementation of {@link JavaType} for unresolved HotSpot classes. 27 */ 28 public final class UnresolvedJavaType implements JavaType { 29 private final String name; 30 31 @Override getName()32 public String getName() { 33 return name; 34 } 35 UnresolvedJavaType(String name)36 private UnresolvedJavaType(String name) { 37 this.name = name; 38 assert name.length() == 1 && JavaKind.fromPrimitiveOrVoidTypeChar(name.charAt(0)) != null || name.charAt(0) == '[' || name.charAt(name.length() - 1) == ';' : name; 39 } 40 41 /** 42 * Creates an unresolved type for a valid {@link JavaType#getName() type name}. 43 */ create(String name)44 public static UnresolvedJavaType create(String name) { 45 return new UnresolvedJavaType(name); 46 } 47 48 @Override getComponentType()49 public JavaType getComponentType() { 50 if (getName().charAt(0) == '[') { 51 return new UnresolvedJavaType(getName().substring(1)); 52 } 53 return null; 54 } 55 56 @Override getArrayClass()57 public JavaType getArrayClass() { 58 return new UnresolvedJavaType('[' + getName()); 59 } 60 61 @Override getJavaKind()62 public JavaKind getJavaKind() { 63 return JavaKind.Object; 64 } 65 66 @Override hashCode()67 public int hashCode() { 68 return getName().hashCode(); 69 } 70 71 @Override equals(Object obj)72 public boolean equals(Object obj) { 73 if (this == obj) { 74 return true; 75 } 76 if (obj == null || !(obj instanceof UnresolvedJavaType)) { 77 return false; 78 } 79 UnresolvedJavaType that = (UnresolvedJavaType) obj; 80 return this.getName().equals(that.getName()); 81 } 82 83 @Override toString()84 public String toString() { 85 return "UnresolvedJavaType<" + getName() + ">"; 86 } 87 88 @Override resolve(ResolvedJavaType accessingClass)89 public ResolvedJavaType resolve(ResolvedJavaType accessingClass) { 90 return accessingClass.lookupType(this, true); 91 } 92 } 93