1 /**
2 This file is part of GoldenGate Project (named also GoldenGate or GG).
3
4 Copyright 2009, Frederic Bregier, and individual contributors by the @author
5 tags. See the COPYRIGHT.txt in the distribution for a full listing of
6 individual contributors.
7
8 All GoldenGate Project is free software: you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as published
10 by the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
12
13 GoldenGate is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GoldenGate . If not, see <http://www.gnu.org/licenses/>.
20 */
21 package openr66.protocol.localhandler.packet;
22
23 import openr66.protocol.exception.OpenR66ProtocolPacketException;
24
25 import org.jboss.netty.buffer.ChannelBuffer;
26 import org.jboss.netty.buffer.ChannelBuffers;
27
28 /**
29 * No Op class
30 *
31 * header = empty middle = empty end = empty
32 *
33 * @author frederic bregier
34 */
35 public class NoOpPacket extends AbstractLocalPacket {
36
37 /**
38 * @param headerLength
39 * @param middleLength
40 * @param endLength
41 * @param buf
42 * @return the new EndTransferPacket from buffer
43 * @throws OpenR66ProtocolPacketException
44 */
45 public static NoOpPacket createFromBuffer(int headerLength,
46 int middleLength, int endLength, ChannelBuffer buf)
47 throws OpenR66ProtocolPacketException {
48 return new NoOpPacket();
49 }
50
51 /*
52 * (non-Javadoc)
53 *
54 * @see openr66.protocol.localhandler.packet.AbstractLocalPacket#createEnd()
55 */
56 @Override
57 public void createEnd() {
58 end = ChannelBuffers.EMPTY_BUFFER;
59 }
60
61 /*
62 * (non-Javadoc)
63 *
64 * @see
65 * openr66.protocol.localhandler.packet.AbstractLocalPacket#createHeader()
66 */
67 @Override
68 public void createHeader() {
69 header = ChannelBuffers.EMPTY_BUFFER;
70 }
71
72 /*
73 * (non-Javadoc)
74 *
75 * @see
76 * openr66.protocol.localhandler.packet.AbstractLocalPacket#createMiddle()
77 */
78 @Override
79 public void createMiddle() {
80 middle = ChannelBuffers.EMPTY_BUFFER;
81 }
82
83 @Override
84 public byte getType() {
85 return LocalPacketFactory.NOOPPACKET;
86 }
87
88 /*
89 * (non-Javadoc)
90 *
91 * @see openr66.protocol.localhandler.packet.AbstractLocalPacket#toString()
92 */
93 @Override
94 public String toString() {
95 return "NoOpPacket";
96 }
97
98 }