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Java > Open Source Codes > com > sun > org > apache > bcel > internal > verifier > structurals > UninitializedObjectType


1 package com.sun.org.apache.bcel.internal.verifier.structurals;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 2001 The Apache Software Foundation. All rights
7  * reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution,
22  * if any, must include the following acknowledgment:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
27  *
28  * 4. The names "Apache" and "Apache Software Foundation" and
29  * "Apache BCEL" must not be used to endorse or promote products
30  * derived from this software without prior written permission. For
31  * written permission, please contact apache@apache.org.
32  *
33  * 5. Products derived from this software may not be called "Apache",
34  * "Apache BCEL", nor may "Apache" appear in their name, without
35  * prior written permission of the Apache Software Foundation.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48  * SUCH DAMAGE.
49  * ====================================================================
50  *
51  * This software consists of voluntary contributions made by many
52  * individuals on behalf of the Apache Software Foundation. For more
53  * information on the Apache Software Foundation, please see
54  * <http://www.apache.org/>.
55  */
56
57 import com.sun.org.apache.bcel.internal.*;
58 import com.sun.org.apache.bcel.internal.generic.*;
59
60 /**
61  * This class represents an uninitialized object type; see The Java
62  * Virtual Machine Specification, Second Edition, page 147: 4.9.4 for
63  * more details.
64  *
65  * @version $Id: UninitializedObjectType.java,v 1.1.1.1 2001/10/29 20:00:42 jvanzyl Exp $
66  * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A>
67  */
68 public class UninitializedObjectType extends ReferenceType implements Constants{
69
70     /** The "initialized" version. */
71     private ObjectType initialized;
72     
73     /** Creates a new instance. */
74     public UninitializedObjectType(ObjectType t){
75         super(T_UNKNOWN, "<UNINITIALIZED OBJECT OF TYPE '"+t.getClassName()+"'>");
76         initialized = t;
77     }
78
79     /**
80      * Returns the ObjectType of the same class as the one of the uninitialized object
81      * represented by this UninitializedObjectType instance.
82      */
83     public ObjectType getInitialized(){
84         return initialized;
85     }
86
87     /**
88      * Returns true on equality of this and o.
89      * Equality means the ObjectType instances of "initialized"
90      * equal one another in this and the o instance.
91      *
92      */
93     public boolean equals(Object JavaDoc o){
94         if (! (o instanceof UninitializedObjectType)) return false;
95         return initialized.equals(((UninitializedObjectType)o).initialized);
96     }
97 }
98
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