    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 */
    017package org.apache.bcel.verifier.statics;
    018
    019import java.util.ArrayList;
    020import java.util.List;
    021
    022/**
    023 * A small utility class representing a set of basic int values.
    024 */
    025public class IntList {
    026
    027    /** The int are stored as Integer objects here. */
    028    private final List<Integer> list;
    029
    030    /** This constructor creates an empty list. */
    031    IntList() {
    032        list = new ArrayList<>();
    033    }
    034
    035    /** Adds an element to the list. */
    036    void add(final int i) {
    037        list.add(Integer.valueOf(i));
    038    }
    039
    040    /** Checks if the specified int is already in the list. */
    041    boolean contains(final int i) {
    042        return list.contains(i);
    043    }
    044}