001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.utils;
018    
019    import org.jetbrains.annotations.NotNull;
020    
021    import java.util.AbstractList;
022    
023    public class ThrowingList<E> extends AbstractList<E> {
024        private static final ThrowingList<?> INSTANCE = new ThrowingList<Object>();
025    
026        private ThrowingList() {}
027    
028        @NotNull
029        public static <E> ThrowingList<E> instance() {
030            //noinspection unchecked
031            return (ThrowingList<E>) INSTANCE;
032        }
033    
034        @Override
035        public E get(int index) {
036            throw new UnsupportedOperationException(getClass().getName());
037        }
038    
039        @Override
040        public int size() {
041            throw new UnsupportedOperationException(getClass().getName());
042        }
043    }