01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.bytecode;
30:
31: import com.caucho.log.Log;
32:
33: import java.io.IOException;
34: import java.util.logging.Logger;
35:
36: /**
37: * Represents a generic attribute
38: */
39: abstract public class Attribute {
40: static private final Logger log = Log.open(Attribute.class);
41:
42: private String _name;
43:
44: Attribute(String name) {
45: _name = name;
46: }
47:
48: /**
49: * Returns the attribute name.
50: */
51: public String getName() {
52: return _name;
53: }
54:
55: /**
56: * Update the JavaClass when adding.
57: */
58: public void addConstants(JavaClass javaClass) {
59: }
60:
61: /**
62: * Writes the field to the output.
63: */
64: abstract public void write(ByteCodeWriter out) throws IOException;
65:
66: /**
67: * Clones the attribute
68: */
69: public Attribute export(JavaClass cl, JavaClass target) {
70: throw new UnsupportedOperationException();
71: }
72:
73: public String toString() {
74: return "Attribute[" + _name + "]";
75: }
76: }
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