1 package com.ericsson.research.transport.ws;
2
3 /*
4 * ##_BEGIN_LICENSE_##
5 * Transport Abstraction Package (trap)
6 * ----------
7 * Copyright (C) 2014 Ericsson AB
8 * ----------
9 * Redistribution and use in source and binary forms, with or without modification,
10 * are permitted provided that the following conditions are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright notice, this
13 * list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Ericsson AB nor the names of its contributors
20 * may be used to endorse or promote products derived from this software without
21 * specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
31 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
32 * OF THE POSSIBILITY OF SUCH DAMAGE.
33 * ##_END_LICENSE_##
34 */
35
36
37 public class WSURI
38 {
39
40 private static final String ERROR = "Wrong WebSocket URI: ";
41
42 private final String host;
43 private final int port;
44 private final String scheme;
45 private final String path;
46
47 public WSURI(String uri) throws IllegalArgumentException
48 {
49 int p = uri.indexOf("://");
50 if (p == -1)
51 throw new IllegalArgumentException(ERROR + uri);
52 this.scheme = uri.substring(0, p);
53 if (!"ws".equals(this.scheme) && !"wss".equals(this.scheme))
54 throw new IllegalArgumentException(ERROR + uri);
55 int q = uri.indexOf("/", p + 3);
56 if (q == -1)
57 q = uri.length();
58 String hostandport = uri.substring(p + 3, q);
59 int r = hostandport.lastIndexOf(":");
60 if (r != -1)
61 {
62 this.host = hostandport.substring(0, r);
63 try
64 {
65 this.port = Integer.parseInt(hostandport.substring(r + 1));
66 }
67 catch (NumberFormatException e)
68 {
69 throw new IllegalArgumentException(ERROR + uri);
70 }
71 }
72 else
73 {
74 this.host = hostandport;
75 if ("ws".equals(this.scheme))
76 this.port = 80;
77 else
78 this.port = 443;
79 }
80 if (q < uri.length())
81 this.path = uri.substring(q);
82 else
83 this.path = "/";
84 }
85
86 public String getHost()
87 {
88 return this.host;
89 }
90
91 public int getPort()
92 {
93 return this.port;
94 }
95
96 public String getScheme()
97 {
98 return this.scheme;
99 }
100
101 public String getPath()
102 {
103 return this.path;
104 }
105
106 public String toString()
107 {
108 StringBuffer sb = new StringBuffer();
109 sb.append(this.scheme);
110 sb.append("://");
111 sb.append(this.host);
112 if (!(this.port == 80 && "ws".equals(this.scheme)) && !(this.port == 443 && "wss".equals(this.scheme)))
113 {
114 sb.append(":");
115 sb.append(Integer.toString(this.port));
116 }
117 sb.append(this.path);
118 return sb.toString();
119 }
120
121 }