    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 *  Unless required by applicable law or agreed to in writing, software
    012 *  distributed under the License is distributed on an "AS IS" BASIS,
    013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 *  See the License for the specific language governing permissions and
    015 *  limitations under the License.
    016 *
    017 */
    018package org.apache.bcel.verifier.statics;
    019
    020import java.util.ArrayList;
    021import java.util.List;
    022
    023/**
    024 * A small utility class representing a set of basic int values.
    025 *
    026 */
    027public class IntList {
    028
    029    /** The int are stored as Integer objects here. */
    030    private final List<Integer> list;
    031
    032    /** This constructor creates an empty list. */
    033    IntList() {
    034        list = new ArrayList<>();
    035    }
    036
    037    /** Adds an element to the list. */
    038    void add(final int i) {
    039        list.add(Integer.valueOf(i));
    040    }
    041
    042    /** Checks if the specified int is already in the list. */
    043    boolean contains(final int i) {
    044        return list.contains(i);
    045    }
    046}