/protocols/smpp/src/main/java/org/mobicents/protocols/smpp/gsm/PortAddressing8.java

 1/*
 2 * JBoss, Home of Professional Open Source
 3 * Copyright 2011, Red Hat, Inc. and individual contributors
 4 * by the @authors tag. See the copyright.txt in the distribution for a
 5 * full listing of individual contributors.
 6 *
 7 * This is free software; you can redistribute it and/or modify it
 8 * under the terms of the GNU Lesser General Public License as
 9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software 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 software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22
23package org.mobicents.protocols.smpp.gsm;
24
25import java.nio.ByteBuffer;
26
27/**
28 * 8-bit port addressing. 3GPP TS 23.040 9.2.3.24.3.
29 * @version $Id: PortAddressing8.java 484 2010-02-08 16:08:50Z orank $
30 */
31public class PortAddressing8 extends RecurringHeaderElement {
32
33    private int sourcePort;
34    private int destPort;
35    
36    public PortAddressing8() {
37        super(true);
38    }
39    
40    public PortAddressing8(int sourcePort, int destPort) {
41        super(true);
42        setSourcePort(sourcePort);
43        setDestPort(destPort);
44    }
45    
46    public int getLength() {
47        return 2;
48    }
49
50    public boolean write(int segmentNum, ByteBuffer buffer) {
51        buffer.put((byte) 4);
52        buffer.put((byte) 2);
53        buffer.put((byte) destPort);
54        buffer.put((byte) sourcePort);
55        return true;
56    }
57
58    public int getSourcePort() {
59        return sourcePort;
60    }
61
62    public void setSourcePort(int sourcePort) {
63        if (sourcePort < 0 || sourcePort > 0xff) {
64            throw new IllegalArgumentException(
65                    "Source port must be 0 <= port <= 0xff");
66        }
67        this.sourcePort = sourcePort;
68    }
69
70    public int getDestPort() {
71        return destPort;
72    }
73
74    public void setDestPort(int destPort) {
75        if (destPort < 0 || destPort > 0xff) {
76            throw new IllegalArgumentException(
77                    "Destination port must be 0 <= port <= 0xff");
78        }
79        this.destPort = destPort;
80    }
81}