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 io.netty.handler.codec.rtsp;
17
18 import io.netty.handler.codec.http.HttpVersion;
19
20 /**
21 * The version of RTSP.
22 */
23 public final class RtspVersions {
24
25 /**
26 * RTSP/1.0
27 */
28 public static final HttpVersion RTSP_1_0 = new HttpVersion("RTSP", 1, 0, true);
29
30 /**
31 * Returns an existing or new {@link HttpVersion} instance which matches to
32 * the specified RTSP version string. If the specified {@code text} is
33 * equal to {@code "RTSP/1.0"}, {@link #RTSP_1_0} will be returned.
34 * Otherwise, a new {@link HttpVersion} instance will be returned.
35 */
36 public static HttpVersion valueOf(String text) {
37 if (text == null) {
38 throw new NullPointerException("text");
39 }
40
41 text = text.trim().toUpperCase();
42 if ("RTSP/1.0".equals(text)) {
43 return RTSP_1_0;
44 }
45
46 return new HttpVersion(text, true);
47 }
48
49 private RtspVersions() {
50 }
51 }