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Java > Open Source Codes > com > sun > jdo > api > persistence > enhancer > classfile > SyntheticAttribute


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24
25 package com.sun.jdo.api.persistence.enhancer.classfile;
26
27 import java.io.*;
28
29 //@olsen: fix 4467428, added class for synthetic attribute to be added
30 // to generated jdo fields and methods
31
32 /**
33  * SyntheticAttribute represents a constant value attribute
34  * in a class file. These attributes are used as initialization
35  * values for static fields.
36  */
37
38 public class SyntheticAttribute extends ClassAttribute {
39   /* The expected name of this attribute */
40   public static final String JavaDoc expectedAttrName = "Synthetic";//NOI18N
41
42   /**
43    * Construct a constant value attribute
44    */
45   public SyntheticAttribute(ConstUtf8 attrName) {
46     super(attrName);
47     //System.out.println("new SyntheticAttribute()");
48 }
49
50   /* package local methods */
51
52   static SyntheticAttribute read (ConstUtf8 attrName,
53                                   DataInputStream data,
54                                   ConstantPool pool)
55     throws IOException {
56     return new SyntheticAttribute(attrName);
57   }
58
59   void write(DataOutputStream out) throws IOException {
60     out.writeShort(attrName().getIndex());
61     final int attributeBytesLength = 0;
62     out.writeInt(attributeBytesLength);
63   }
64
65   void print(PrintStream out, int indent) {
66     ClassPrint.spaces(out, indent);
67     out.println(expectedAttrName);
68   }
69 }
70
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