| /* |
| * Copyright (c) OSGi Alliance (2017). All Rights Reserved. |
| * |
| * 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.osgi.util.converter; |
| |
| import java.lang.reflect.Array; |
| import java.util.List; |
| |
| /** |
| * @author $Id$ |
| */ |
| class ArrayDelegate<T> extends AbstractCollectionDelegate<T> |
| implements List<T> { |
| // An array, either scalar or primitive |
| private final Object backingArray; |
| |
| ArrayDelegate(Object arr) { |
| backingArray = arr; |
| } |
| |
| @Override |
| public int size() { |
| return Array.getLength(backingArray); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return size() == 0; |
| } |
| |
| @Override |
| public Object[] toArray() { |
| Object[] arr = (Object[]) Array.newInstance(Object.class, size()); |
| for (int i = 0; i < size(); i++) { |
| arr[i] = Array.get(backingArray, i); |
| } |
| return arr; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public T get(int index) { |
| return (T) Array.get(backingArray, index); |
| } |
| } |