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: *
23: * Free SoftwareFoundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.bytecode;
31:
32: import com.caucho.log.Log;
33:
34: import java.io.IOException;
35: import java.util.logging.Logger;
36:
37: /**
38: * Represents a generic attribute
39: */
40: public class OpaqueAttribute extends Attribute {
41: static private final Logger log = Log.open(OpaqueAttribute.class);
42:
43: private byte[] _value;
44:
45: OpaqueAttribute(String name) {
46: super (name);
47: }
48:
49: /**
50: * Sets the opaque value.
51: */
52: public void setValue(byte[] value) {
53: _value = value;
54: }
55:
56: /**
57: * Gets the opaque value.
58: */
59: public byte[] getValue() {
60: return _value;
61: }
62:
63: /**
64: * Writes the field to the output.
65: */
66: public void write(ByteCodeWriter out) throws IOException {
67: out.writeUTF8Const(getName());
68: out.writeInt(_value.length);
69: out.write(_value, 0, _value.length);
70: }
71:
72: /**
73: * Clones the attribute
74: */
75: public Attribute export(JavaClass cl, JavaClass target) {
76: target.getConstantPool().addUTF8(getName());
77:
78: OpaqueAttribute attr = new OpaqueAttribute(getName());
79:
80: byte[] value = new byte[_value.length];
81: System.arraycopy(_value, 0, value, 0, _value.length);
82:
83: attr.setValue(value);
84:
85: return attr;
86: }
87:
88: public String toString() {
89: return "OpaqueAttribute[" + getName() + "]";
90: }
91: }
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