1 /* 2 * Copyright (C) 2009 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 signature.compare.model.subst; 18 19 import signature.model.IClassReference; 20 import signature.model.IParameterizedType; 21 import signature.model.ITypeReference; 22 import signature.model.ITypeVariableDefinition; 23 import signature.model.impl.SigParameterizedType; 24 25 import java.util.List; 26 import java.util.Map; 27 28 public class ParameterizedTypeProjection implements IParameterizedType { 29 30 private final IParameterizedType original; 31 32 private final Map<ITypeVariableDefinition, ITypeReference> mappings; 33 34 public ParameterizedTypeProjection(IParameterizedType original, 35 Map<ITypeVariableDefinition, ITypeReference> mappings) { 36 this.original = original; 37 this.mappings = mappings; 38 } 39 40 public ITypeReference getOwnerType() { 41 ITypeReference ownerType = original.getOwnerType(); 42 if (ownerType == null) { 43 return null; 44 } 45 return ViewpointAdapter.substitutedTypeReference(ownerType, mappings); 46 } 47 48 private IClassReference rawType = null; 49 50 /** 51 * Returns the raw type with substituted type variables. 52 * 53 * @return the raw type with substituted type variables 54 */ 55 public IClassReference getRawType() { 56 if (rawType == null) { 57 rawType = (IClassReference) ViewpointAdapter 58 .substitutedTypeReference(original.getRawType(), 59 ViewpointAdapter.createTypeMapping(this, original 60 .getRawType().getClassDefinition())); 61 } 62 return rawType; 63 } 64 65 private List<ITypeReference> arguments = null; 66 67 public List<ITypeReference> getTypeArguments() { 68 if (arguments == null) { 69 arguments = ViewpointAdapter.substitutedTypeReferences(original 70 .getTypeArguments(), mappings); 71 } 72 return arguments; 73 } 74 75 @Override 76 public int hashCode() { 77 return SigParameterizedType.hashCode(this); 78 } 79 80 @Override 81 public boolean equals(Object obj) { 82 return SigParameterizedType.equals(this, obj); 83 } 84 85 @Override 86 public String toString() { 87 return SigParameterizedType.toString(this); 88 } 89 } 90