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
020
021import java.util.ArrayList;
022import java.util.List;
023
024/**
025 * A small utility class representing a set of basic int values.
026 *
027 */
028public class IntList{
029    /** The int are stored as Integer objects here. */
030    private final List<Integer> theList;
031    /** This constructor creates an empty list. */
032    IntList() {
033        theList = new ArrayList<>();
034    }
035    /** Adds an element to the list. */
036    void add(final int i) {
037        theList.add(Integer.valueOf(i));
038    }
039    /** Checks if the specified int is already in the list. */
040    boolean contains(final int i) {
041        final Integer[] ints = new Integer[theList.size()];
042        theList.toArray(ints);
043        for (final Integer k : ints) {
044            if (i == k.intValue()) {
045                return true;
046            }
047        }
048        return false;
049    }
050}