/protocols/ss7/m3ua/impl/src/main/java/org/mobicents/protocols/ss7/m3ua/impl/parameter/ASPIdentifierImpl.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.ss7.m3ua.impl.parameter;
24
25import org.mobicents.protocols.ss7.m3ua.parameter.ASPIdentifier;
26import org.mobicents.protocols.ss7.m3ua.parameter.Parameter;
27
28public class ASPIdentifierImpl extends ParameterImpl implements ASPIdentifier {
29
30    private long aspID = 0;
31    private byte[] value;
32
33    protected ASPIdentifierImpl(byte[] value) {
34        this.tag = Parameter.ASP_Identifier;
35
36        this.aspID = 0;
37        this.aspID |= value[0] & 0xFF;
38        this.aspID <<= 8;
39        this.aspID |= value[1] & 0xFF;
40        this.aspID <<= 8;
41        this.aspID |= value[2] & 0xFF;
42        this.aspID <<= 8;
43        this.aspID |= value[3] & 0xFF;
44
45        this.value = value;
46    }
47
48    protected ASPIdentifierImpl(long id) {
49        this.tag = Parameter.ASP_Identifier;
50        aspID = id;
51        encode();
52    }
53
54    private void encode() {
55        // create byte array taking into account data, point codes and
56        // indicators;
57        this.value = new byte[4];
58
59        // encode asp identifier
60        value[0] = (byte) (aspID >> 24);
61        value[1] = (byte) (aspID >> 16);
62        value[2] = (byte) (aspID >> 8);
63        value[3] = (byte) (aspID);
64    }
65
66    public long getAspId() {
67        return aspID;
68    }
69
70    @Override
71    protected byte[] getValue() {
72        return value;
73    }
74
75    @Override
76    public String toString() {
77        return String.format("ASPIdentifier id=%d", aspID);
78    }
79}