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