01: /**
02: * YGuard -- an obfuscation library for Java(TM) classfiles.
03: *
04: * Original Copyright (c) 1999 Mark Welsh (markw@retrologic.com)
05: * Modifications Copyright (c) 2002 yWorks GmbH (yguard@yworks.com)
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: *
21: * The author may be contacted at yguard@yworks.com
22: *
23: * Java and all Java-based marks are trademarks or registered
24: * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.
25: */package com.yworks.yguard.obf.classfile;
26:
27: import java.io.*;
28: import java.util.*;
29:
30: /**
31: * Representation of a 'double' entry in the ConstantPool (takes up two indices).
32: *
33: * @author Mark Welsh
34: */
35: public class DoubleCpInfo extends CpInfo {
36: // Constants -------------------------------------------------------------
37:
38: // Fields ----------------------------------------------------------------
39: private int u4highBytes;
40: private int u4lowBytes;
41:
42: // Class Methods ---------------------------------------------------------
43:
44: // Instance Methods ------------------------------------------------------
45: protected DoubleCpInfo() {
46: super (CONSTANT_Double);
47: }
48:
49: /** Read the 'info' data following the u1tag byte. */
50: protected void readInfo(DataInput din) throws java.io.IOException {
51: u4highBytes = din.readInt();
52: u4lowBytes = din.readInt();
53: }
54:
55: /** Write the 'info' data following the u1tag byte. */
56: protected void writeInfo(DataOutput dout)
57: throws java.io.IOException {
58: dout.writeInt(u4highBytes);
59: dout.writeInt(u4lowBytes);
60: }
61: }
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