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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.html 992795 2016-07-14 11:53:52Z britter $
28   */
29  public class IntList{
30      /** The int are stored as Integer objects here. */
31      private final List<Integer> theList;
32      /** This constructor creates an empty list. */
33      IntList() {
34          theList = new ArrayList<>();
35      }
36      /** Adds an element to the list. */
37      void add(final int i) {
38          theList.add(Integer.valueOf(i));
39      }
40      /** Checks if the specified int is already in the list. */
41      boolean contains(final int i) {
42          final Integer[] ints = new Integer[theList.size()];
43          theList.toArray(ints);
44          for (final Integer k : ints) {
45              if (i == k.intValue()) {
46                  return true;
47              }
48          }
49          return false;
50      }
51  }