| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * 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 org.apache.harmony.luni.lang.reflect; |
| |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public final class ListOfTypes { |
| public static final ListOfTypes EMPTY = new ListOfTypes(0); |
| |
| private final ArrayList<Type> types; |
| private Type[] resolvedTypes; |
| |
| ListOfTypes(int capacity) { |
| types = new ArrayList<Type>(capacity); |
| } |
| |
| ListOfTypes(Type[] types) { |
| this.types = new ArrayList<Type>(types.length); |
| for (Type type : types) { |
| this.types.add(type); |
| } |
| } |
| |
| void add(Type type) { |
| if (type == null) { |
| throw new NullPointerException("type == null"); |
| } |
| types.add(type); |
| } |
| |
| int length() { |
| return types.size(); |
| } |
| |
| public Type[] getResolvedTypes() { |
| Type[] result = resolvedTypes; |
| return result != null ? result : (resolvedTypes = resolveTypes(types)); |
| } |
| |
| private Type[] resolveTypes(List<Type> unresolved) { |
| Type[] result = new Type[unresolved.size()]; |
| for (int i = 0; i < unresolved.size(); i++) { |
| Type type = unresolved.get(i); |
| try { |
| result[i] = ((ImplForType) type).getResolvedType(); |
| } catch (ClassCastException e) { |
| result[i] = type; |
| } |
| } |
| return result; |
| } |
| |
| @Override public String toString() { |
| StringBuilder result = new StringBuilder(); |
| for (int i = 0; i < types.size(); i++) { |
| if (i > 0) { |
| result.append(", "); |
| } |
| result.append(types.get(i)); |
| } |
| return result.toString(); |
| } |
| } |