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.commons.javaflow.bytecode.transformation.bcel.analyser;
18
19 import org.apache.bcel.*;
20 import org.apache.bcel.generic.*;
21
22 /**
23 * This class represents an uninitialized object type; see The Java
24 * Virtual Machine Specification, Second Edition, page 147: 4.9.4 for
25 * more details.
26 *
27 * WARNING! These classes are a fork of the bcel verifier.
28 *
29 * @version $Id: UninitializedObjectType.java 480487 2006-11-29 08:54:42Z bayard $
30 * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A>
31 */
32 public class UninitializedObjectType extends ReferenceType implements Constants {
33
34 private static final long serialVersionUID = 1L;
35
36 /** The "initialized" version. */
37 private ObjectType initialized;
38
39 /** Creates a new instance. */
40 public UninitializedObjectType(ObjectType t){
41 super(T_UNKNOWN, "<UNINITIALIZED OBJECT OF TYPE '"+t.getClassName()+"'>");
42 initialized = t;
43 }
44
45 /**
46 * Returns the ObjectType of the same class as the one of the uninitialized object
47 * represented by this UninitializedObjectType instance.
48 */
49 public ObjectType getInitialized(){
50 return initialized;
51 }
52
53 /**
54 * Returns true on equality of this and o.
55 * Equality means the ObjectType instances of "initialized"
56 * equal one another in this and the o instance.
57 *
58 */
59 public boolean equals(Object o){
60 if (! (o instanceof UninitializedObjectType)) return false;
61 return initialized.equals(((UninitializedObjectType)o).initialized);
62 }
63 }