1 /*
2 * Copyright 2012 The Netty Project
3 *
4 * The Netty Project licenses this file to you under the Apache License,
5 * version 2.0 (the "License"); you may not use this file except in compliance
6 * with the 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 * @apiviz.exclude
23 */
24 public final class RtspVersions {
25
26 /**
27 * RTSP/1.0
28 */
29 public static final HttpVersion RTSP_1_0 = new HttpVersion("RTSP", 1, 0, true);
30
31 /**
32 * Returns an existing or new {@link HttpVersion} instance which matches to
33 * the specified RTSP version string. If the specified {@code text} is
34 * equal to {@code "RTSP/1.0"}, {@link #RTSP_1_0} will be returned.
35 * Otherwise, a new {@link HttpVersion} instance will be returned.
36 */
37 public static HttpVersion valueOf(String text) {
38 if (text == null) {
39 throw new NullPointerException("text");
40 }
41
42 text = text.trim().toUpperCase();
43 if ("RTSP/1.0".equals(text)) {
44 return RTSP_1_0;
45 }
46
47 return new HttpVersion(text, true);
48 }
49
50 private RtspVersions() {
51 }
52 }