1 /*
2 * Copyright 2010 Red Hat, Inc.
3 *
4 * Red Hat licenses this file to you under the Apache License, version 2.0
5 * (the "License"); you may not use this file except in compliance with the
6 * License. You may obtain a copy of the License at:
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations
14 * under the License.
15 */
16 package org.jboss.netty.handler.codec.rtsp;
17
18 import org.jboss.netty.handler.codec.http.HttpVersion;
19
20 /**
21 * The version of RTSP.
22 *
23 * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
24 * @author <a href="http://amitbhayani.blogspot.com/">Amit Bhayani</a>
25 * @author <a href="http://gleamynode.net/">Trustin Lee</a>
26 * @version $Rev: 2243 $, $Date: 2010-04-16 14:01:55 +0900 (Fri, 16 Apr 2010) $
27 *
28 * @apiviz.exclude
29 */
30 public final class RtspVersions {
31
32 /**
33 * RTSP/1.0
34 */
35 public static final HttpVersion RTSP_1_0 = new HttpVersion("RTSP", 1, 0, true);
36
37 /**
38 * Returns an existing or new {@link HttpVersion} instance which matches to
39 * the specified RTSP version string. If the specified {@code text} is
40 * equal to {@code "RTSP/1.0"}, {@link #RTSP_1_0} will be returned.
41 * Otherwise, a new {@link HttpVersion} instance will be returned.
42 */
43 public static HttpVersion valueOf(String text) {
44 if (text == null) {
45 throw new NullPointerException("text");
46 }
47
48 text = text.trim().toUpperCase();
49 if (text.equals("RTSP/1.0")) {
50 return RTSP_1_0;
51 }
52
53 return new HttpVersion(text, true);
54 }
55
56 private RtspVersions() {
57 super();
58 }
59 }