diff options
Diffstat (limited to 'src/org/gnunet/construct/parsers/ByteFillParser.java')
-rw-r--r-- | src/org/gnunet/construct/parsers/ByteFillParser.java | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/org/gnunet/construct/parsers/ByteFillParser.java b/src/org/gnunet/construct/parsers/ByteFillParser.java deleted file mode 100644 index a581229..0000000 --- a/src/org/gnunet/construct/parsers/ByteFillParser.java +++ /dev/null | |||
@@ -1,100 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2011, 2012 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | package org.gnunet.construct.parsers; | ||
22 | |||
23 | import org.gnunet.construct.Message; | ||
24 | import org.gnunet.construct.ReflectUtil; | ||
25 | import org.gnunet.construct.ProtocolViolation; | ||
26 | import org.slf4j.Logger; | ||
27 | import org.slf4j.LoggerFactory; | ||
28 | |||
29 | import java.lang.reflect.Array; | ||
30 | import java.lang.reflect.Field; | ||
31 | import java.nio.ByteBuffer; | ||
32 | import java.util.List; | ||
33 | |||
34 | /** | ||
35 | * Parse a byte array that takes up all the remaining space in its frame. | ||
36 | * A 0-element array takes up no space. | ||
37 | * 'null' is an invalid value for a field of this type. | ||
38 | * | ||
39 | * @author Florian Dold | ||
40 | * | ||
41 | */ | ||
42 | public class ByteFillParser implements Parser { | ||
43 | private static final Logger logger = LoggerFactory | ||
44 | .getLogger(ByteFillParser.class); | ||
45 | |||
46 | private final Field targetField; | ||
47 | |||
48 | |||
49 | public ByteFillParser(Field field) { | ||
50 | targetField = field; | ||
51 | } | ||
52 | |||
53 | @Override | ||
54 | public int getSize(Message src) { | ||
55 | return Array.getLength(ReflectUtil.justGet(src, targetField)); | ||
56 | } | ||
57 | |||
58 | |||
59 | @Override | ||
60 | public int parse(ByteBuffer srcBuf, int frameOffset, Message frameObj, Message dst, List<Field> frameSizePath) { | ||
61 | int frameSize = ReflectUtil.justGetInt(frameObj, frameSizePath); | ||
62 | int remaining = frameOffset + frameSize - srcBuf.position(); | ||
63 | |||
64 | if (remaining < 0) { | ||
65 | throw new ProtocolViolation("negative size remaining for variable size message"); | ||
66 | } | ||
67 | |||
68 | if (remaining == 0) { | ||
69 | ReflectUtil.justSet(dst, targetField, new byte[0]); | ||
70 | return 0; | ||
71 | } | ||
72 | |||
73 | byte[] a = new byte[remaining]; | ||
74 | |||
75 | srcBuf.get(a); | ||
76 | |||
77 | ReflectUtil.justSet(dst, targetField, a); | ||
78 | |||
79 | return frameOffset; | ||
80 | } | ||
81 | |||
82 | @Override | ||
83 | public int write(ByteBuffer dstBuf, Message src) { | ||
84 | byte[] a = (byte[]) ReflectUtil.justGet(src, targetField); | ||
85 | dstBuf.put(a); | ||
86 | return a.length; | ||
87 | } | ||
88 | |||
89 | @Override | ||
90 | public void patch(Message message, int frameSize, List<Field> frameSizePath, Message frameObject) { | ||
91 | // the size field is contained in the frameObject | ||
92 | ReflectUtil.justSetInt(frameObject, frameSizePath, frameSize); | ||
93 | } | ||
94 | |||
95 | @Override | ||
96 | public int getStaticSize() { | ||
97 | // not known! | ||
98 | return 0; | ||
99 | } | ||
100 | } | ||