| /* |
| * 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.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ListIterator; |
| |
| /** |
| * @author $Id$ |
| */ |
| abstract class AbstractCollectionDelegate<T> implements List<T> { |
| @Override |
| public boolean add(T e) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean remove(Object o) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean contains(Object o) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean containsAll(Collection< ? > c) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean addAll(Collection< ? extends T> c) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean addAll(int index, Collection< ? extends T> c) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean removeAll(Collection< ? > c) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public boolean retainAll(Collection< ? > c) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public void clear() { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public Iterator<T> iterator() { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public T set(int index, T element) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public void add(int index, T element) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public T remove(int index) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public int indexOf(Object o) { |
| Object[] arr = toArray(); |
| for (int i = 0; i < arr.length; i++) { |
| if (o != null) { |
| if (o.equals(arr[i])) |
| return i; |
| } else { |
| if (arr[i] == null) |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public int lastIndexOf(Object o) { |
| Object[] arr = toArray(); |
| for (int i = arr.length - 1; i >= 0; i--) { |
| if (o != null) { |
| if (o.equals(arr[i])) |
| return i; |
| } else { |
| if (arr[i] == null) |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| @Override |
| public <X> X[] toArray(X[] a) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public ListIterator<T> listIterator() { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public ListIterator<T> listIterator(int index) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| |
| @Override |
| public List<T> subList(int fromIndex, int toIndex) { |
| throw new UnsupportedOperationException(); // Never called |
| } |
| } |