1 /*
2 * This file is part of Waarp Project (named also Waarp or GG).
3 *
4 * Copyright (c) 2019, Waarp SAS, 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 Waarp Project is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version.
12 *
13 * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along with
18 * Waarp . If not, see <http://www.gnu.org/licenses/>.
19 */
20 package org.waarp.openr66.client;
21
22 import io.netty.buffer.ByteBuf;
23 import org.waarp.openr66.protocol.exception.OpenR66ProtocolBusinessException;
24
25 /**
26 * Class to be implemented for {@link RecvThroughClient}
27 */
28 public abstract class RecvThroughHandler {
29 /**
30 * This method will be called for each valid packet received to be written
31 *
32 * @param buffer
33 * @param length
34 *
35 * @throws OpenR66ProtocolBusinessException This exception has to be
36 * throw
37 * if any error occurs during write
38 * in business process.
39 */
40 public abstract void writeBytes(byte[] buffer, int length)
41 throws OpenR66ProtocolBusinessException;
42
43 /**
44 * Facility function to read from buffer and transfer to an array of bytes
45 *
46 * @param buffer
47 *
48 * @return the array of bytes
49 */
50 protected final byte[] getBytes(final ByteBuf buffer) {
51 final byte[] dst = new byte[buffer.readableBytes()];
52 buffer.readBytes(dst, 0, dst.length);
53 return dst;
54 }
55 }