| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.web.bindery.requestfactory.apt; |
| |
| import java.util.Comparator; |
| |
| import javax.lang.model.element.TypeElement; |
| import javax.lang.model.type.DeclaredType; |
| |
| /** |
| * Orders TypeElements by assignability, with most-derived types ordered first, |
| * and then by name. |
| */ |
| class TypeComparator implements Comparator<TypeElement> { |
| private final State state; |
| |
| public TypeComparator(State state) { |
| this.state = state; |
| } |
| |
| @Override |
| public int compare(TypeElement a, TypeElement b) { |
| DeclaredType typeA = state.types.getDeclaredType(a); |
| DeclaredType typeB = state.types.getDeclaredType(b); |
| if (state.types.isSameType(typeA, typeB)) { |
| return 0; |
| } |
| if (state.types.isSubtype(typeA, typeB)) { |
| return -1; |
| } |
| if (state.types.isSubtype(typeB, typeA)) { |
| return 1; |
| } |
| return state.elements.getBinaryName(a).toString().compareTo( |
| state.elements.getBinaryName(b).toString()); |
| } |
| } |