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Java > Open Source Codes > org > apache > bcel > verifier > statics > IntList


1 /*
2  * Copyright 2000-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */

17 package org.apache.bcel.verifier.statics;
18
19
20 import java.util.ArrayList JavaDoc;
21 import java.util.List JavaDoc;
22
23 /**
24  * A small utility class representing a set of basic int values.
25  *
26  * @version $Id: IntList.java 386056 2006-03-15 11:31:56Z tcurdt $
27  * @author Enver Haase
28  */

29 public class IntList{
30     /** The int are stored as Integer objects here. */
31     private List JavaDoc theList;
32     /** This constructor creates an empty list. */
33     IntList(){
34         theList = new ArrayList JavaDoc();
35     }
36     /** Adds an element to the list. */
37     void add(int i){
38         theList.add(new Integer JavaDoc(i));
39     }
40     /** Checks if the specified int is already in the list. */
41     boolean contains(int i){
42         Integer JavaDoc[] ints = new Integer JavaDoc[theList.size()];
43         theList.toArray(ints);
44         for (int j=0; j<ints.length; j++){
45             if (i == ints[j].intValue()) {
46                 return true;
47             }
48         }
49         return false;
50     }
51 }
52
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