1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.bcel.verifier.statics;
20
21 import java.util.ArrayList;
22 import java.util.List;
23
24 /**
25 * A small utility class representing a set of basic int values.
26 */
27 public class IntList {
28
29 /** The int are stored as Integer objects here. */
30 private final List<Integer> list;
31
32 /** This constructor creates an empty list. */
33 IntList() {
34 list = new ArrayList<>();
35 }
36
37 /** Adds an element to the list. */
38 void add(final int i) {
39 list.add(Integer.valueOf(i));
40 }
41
42 /** Tests if the specified int is already in the list. */
43 boolean contains(final int i) {
44 return list.contains(i);
45 }
46 }