/protocols/smpp/src/main/java/org/mobicents/protocols/smpp/version/VersionFactory.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.version;
24
25import org.mobicents.protocols.smpp.util.APIConfig;
26import org.mobicents.protocols.smpp.util.APIConfigFactory;
27import org.mobicents.protocols.smpp.util.PropertyNotFoundException;
28
29/**
30 * Factory class for SMPP versions.
31 * @version $Id: VersionFactory.java 452 2009-01-15 16:56:36Z orank $
32 */
33public class VersionFactory {
34    /**
35     * Get the default SMPP version implemented by this API. This APIs
36     * default is currently version 3.4.
37     * @return The default SMPP version.
38     */
39    public static SMPPVersion getDefaultVersion() {
40        APIConfig cfg = APIConfigFactory.getConfig();
41        try {
42            int versionNum = cfg.getInt(APIConfig.DEFAULT_VERSION);
43            return VersionFactory.getVersion(versionNum);
44        } catch (PropertyNotFoundException x) {
45            return SMPPVersion.VERSION_5_0;
46        }
47    }
48
49    /**
50     * Get the SMPP version for a particular version ID.
51     * @param id The version ID to get the SMPP version for,
52     * @return The matching SMPP version.
53     * @throws VersionException If the version ID is not known by this
54     * factory.
55     */
56    public static SMPPVersion getVersion(int id) {
57        if (id == SMPPVersion.VERSION_3_3.getVersionID()) {
58            return SMPPVersion.VERSION_3_3;
59        } else if (id == SMPPVersion.VERSION_3_4.getVersionID()) {
60            return SMPPVersion.VERSION_3_4;
61        } else if (id == SMPPVersion.VERSION_5_0.getVersionID()) {
62            return SMPPVersion.VERSION_5_0;
63        } else {
64            APIConfig cfg = APIConfigFactory.getConfig();
65            if (cfg.getBoolean(APIConfig.LAX_VERSIONS, false)) {
66                if (id >= 0x00 && id <= 0x32) {
67                    return SMPPVersion.VERSION_3_3;
68                }
69            }
70        }
71        throw new VersionException("Unknown version id: 0x"
72                + Integer.toHexString(id));
73    }
74}