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 */
18 package org.apache.bcel.verifier.statics;
19
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 * @version $Id: IntList.java 1149459 2011-07-22 04:34:27Z dbrosius $
28 * @author Enver Haase
29 */
30 public class IntList{
31 /** The int are stored as Integer objects here. */
32 private List<Integer> theList;
33 /** This constructor creates an empty list. */
34 IntList(){
35 theList = new ArrayList<Integer>();
36 }
37 /** Adds an element to the list. */
38 void add(int i){
39 theList.add(Integer.valueOf(i));
40 }
41 /** Checks if the specified int is already in the list. */
42 boolean contains(int i){
43 Integer[] ints = new Integer[theList.size()];
44 theList.toArray(ints);
45 for (int j=0; j<ints.length; j++){
46 if (i == ints[j].intValue()) {
47 return true;
48 }
49 }
50 return false;
51 }
52 }