1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.harmony.luni.lang.reflect; 18 19 import java.lang.reflect.ParameterizedType; 20 import java.lang.reflect.Type; 21 22 public final class ImplForType implements ParameterizedType { 23 private final ListOfTypes args; 24 private final ImplForType ownerType0; // Potentially unresolved. 25 private Type ownerTypeRes; 26 private Class rawType; // Already resolved. 27 private final String rawTypeName; 28 private ClassLoader loader; 29 30 31 public ImplForType(ImplForType ownerType, String rawTypeName, 32 ListOfTypes args, ClassLoader loader) { 33 this.ownerType0 = ownerType; 34 this.rawTypeName = rawTypeName; 35 this.args = args; 36 this.loader = loader; 37 } 38 39 40 public Type[] getActualTypeArguments() { 41 // ASSUMPTION: args is never null!!! 42 return args.getResolvedTypes().clone(); 43 } 44 45 public Type getOwnerType() { 46 if (ownerTypeRes == null) { 47 if (ownerType0 != null) { 48 ownerTypeRes = ownerType0.getResolvedType(); 49 } else { 50 ownerTypeRes = getRawType().getDeclaringClass(); 51 } 52 } 53 return ownerTypeRes; 54 } 55 56 public Class getRawType() { 57 if (rawType == null) { 58 // Here the actual loading of the class has to be performed and the 59 // Exceptions have to be re-thrown TypeNotPresent... 60 // How to deal with member (nested) classes? 61 try { 62 rawType = Class.forName(rawTypeName, false, loader); 63 } catch (ClassNotFoundException e) { 64 throw new TypeNotPresentException(rawTypeName, e); 65 } 66 } 67 return rawType; 68 } 69 70 71 Type getResolvedType() { 72 if (args.getResolvedTypes().length == 0) { 73 return getRawType(); 74 } else { 75 return this; 76 } 77 } 78 79 @Override 80 public String toString() { 81 StringBuilder sb = new StringBuilder(); 82 sb.append(rawTypeName); 83 if (args.length() > 0) { 84 sb.append("<").append(args).append(">"); 85 } 86 return sb.toString(); 87 } 88 } 89