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Java > Open Source Codes > com > sun > org > apache > bcel > internal > generic > FieldGenOrMethodGen


1 package com.sun.org.apache.bcel.internal.generic;
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.classfile.*;
58 import java.util.ArrayList JavaDoc;
59
60 /**
61  * Super class for FieldGen and MethodGen objects, since they have
62  * some methods in common!
63  *
64  * @version $Id: FieldGenOrMethodGen.java,v 1.1.1.1 2001/10/29 20:00:12 jvanzyl Exp $
65  * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
66  */
67 public abstract class FieldGenOrMethodGen extends AccessFlags
68   implements NamedAndTyped, Cloneable JavaDoc
69 {
70   protected String JavaDoc name;
71   protected Type type;
72   protected ConstantPoolGen cp;
73   private ArrayList JavaDoc attribute_vec = new ArrayList JavaDoc();
74
75   protected FieldGenOrMethodGen() {}
76
77   public void setType(Type type) { this.type = type; }
78   public Type getType() { return type; }
79
80   /** @return name of method/field.
81    */
82   public String JavaDoc getName() { return name; }
83   public void setName(String JavaDoc name) { this.name = name; }
84
85   public ConstantPoolGen getConstantPool() { return cp; }
86   public void setConstantPool(ConstantPoolGen cp) { this.cp = cp; }
87
88   /**
89    * Add an attribute to this method. Currently, the JVM knows about
90    * the `Code', `ConstantValue', `Synthetic' and `Exceptions'
91    * attributes. Other attributes will be ignored by the JVM but do no
92    * harm.
93    *
94    * @param a attribute to be added
95    */
96   public void addAttribute(Attribute a) { attribute_vec.add(a); }
97
98   /**
99    * Remove an attribute.
100    */
101   public void removeAttribute(Attribute a) { attribute_vec.remove(a); }
102
103   /**
104    * Remove all attributes.
105    */
106   public void removeAttributes() { attribute_vec.clear(); }
107    
108   /**
109    * @return all attributes of this method.
110    */
111   public Attribute[] getAttributes() {
112     Attribute[] attributes = new Attribute[attribute_vec.size()];
113     attribute_vec.toArray(attributes);
114     return attributes;
115   }
116
117   /** @return signature of method/field.
118    */
119   public abstract String JavaDoc getSignature();
120
121   public Object JavaDoc clone() {
122     try {
123       return super.clone();
124     } catch(CloneNotSupportedException JavaDoc e) {
125       System.err.println(e);
126       return null;
127     }
128   }
129 }
130
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