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}