Mercurial > 510Connectbot
comparison src/com/five_ten_sg/connectbot/transport/TransportFactory.java @ 0:0ce5cc452d02
initial version
author | Carl Byington <carl@five-ten-sg.com> |
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date | Thu, 22 May 2014 10:41:19 -0700 |
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children | f3b3bbd227b8 |
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1 /* | |
2 * ConnectBot: simple, powerful, open-source SSH client for Android | |
3 * Copyright 2007 Kenny Root, Jeffrey Sharkey | |
4 * | |
5 * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 * you may not use this file except in compliance with the License. | |
7 * You may obtain a copy of the License at | |
8 * | |
9 * http://www.apache.org/licenses/LICENSE-2.0 | |
10 * | |
11 * Unless required by applicable law or agreed to in writing, software | |
12 * distributed under the License is distributed on an "AS IS" BASIS, | |
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 * See the License for the specific language governing permissions and | |
15 * limitations under the License. | |
16 */ | |
17 | |
18 package com.five_ten_sg.connectbot.transport; | |
19 | |
20 import java.util.HashMap; | |
21 import java.util.Map; | |
22 | |
23 import com.five_ten_sg.connectbot.bean.HostBean; | |
24 import com.five_ten_sg.connectbot.util.HostDatabase; | |
25 import android.content.Context; | |
26 import android.net.Uri; | |
27 import android.util.Log; | |
28 | |
29 | |
30 /** | |
31 * @author Kenny Root | |
32 * | |
33 */ | |
34 public class TransportFactory { | |
35 private static final String TAG = "ConnectBot.TransportFactory"; | |
36 | |
37 private static String[] transportNames = { | |
38 SSH.getProtocolName(), | |
39 Telnet.getProtocolName(), | |
40 Local.getProtocolName(), | |
41 }; | |
42 | |
43 /** | |
44 * @param protocol | |
45 * @return | |
46 */ | |
47 public static AbsTransport getTransport(String protocol) { | |
48 if (SSH.getProtocolName().equals(protocol)) { | |
49 return new SSH(); | |
50 } | |
51 else if (Telnet.getProtocolName().equals(protocol)) { | |
52 return new Telnet(); | |
53 } | |
54 else if (Local.getProtocolName().equals(protocol)) { | |
55 return new Local(); | |
56 } | |
57 else { | |
58 return null; | |
59 } | |
60 } | |
61 | |
62 public static Uri getUri(String scheme, String input) { | |
63 Log.d("TransportFactory", String.format( | |
64 "Attempting to discover URI for scheme=%s on input=%s", scheme, | |
65 input)); | |
66 | |
67 if (SSH.getProtocolName().equals(scheme)) | |
68 return SSH.getUri(input); | |
69 else if (Telnet.getProtocolName().equals(scheme)) | |
70 return Telnet.getUri(input); | |
71 else if (Local.getProtocolName().equals(scheme)) { | |
72 Log.d("TransportFactory", "Got to the local parsing area"); | |
73 return Local.getUri(input); | |
74 } | |
75 else | |
76 return null; | |
77 } | |
78 | |
79 public static String[] getTransportNames() { | |
80 return transportNames; | |
81 } | |
82 | |
83 public static boolean isSameTransportType(AbsTransport a, AbsTransport b) { | |
84 if (a == null || b == null) | |
85 return false; | |
86 | |
87 return a.getClass().equals(b.getClass()); | |
88 } | |
89 | |
90 public static boolean canForwardPorts(String protocol) { | |
91 // TODO uh, make this have less knowledge about its children | |
92 if (SSH.getProtocolName().equals(protocol)) { | |
93 return true; | |
94 } | |
95 else { | |
96 return false; | |
97 } | |
98 } | |
99 | |
100 /** | |
101 * @param protocol text name of protocol | |
102 * @param context | |
103 * @return expanded format hint | |
104 */ | |
105 public static String getFormatHint(String protocol, Context context) { | |
106 if (SSH.getProtocolName().equals(protocol)) { | |
107 return SSH.getFormatHint(context); | |
108 } | |
109 else if (Telnet.getProtocolName().equals(protocol)) { | |
110 return Telnet.getFormatHint(context); | |
111 } | |
112 else if (Local.getProtocolName().equals(protocol)) { | |
113 return Local.getFormatHint(context); | |
114 } | |
115 else { | |
116 return AbsTransport.getFormatHint(context); | |
117 } | |
118 } | |
119 | |
120 /** | |
121 * @param hostdb Handle to HostDatabase | |
122 * @param uri URI to target server | |
123 * @return HostBean or null | |
124 */ | |
125 public static HostBean findHost(HostDatabase hostdb, Uri uri) { | |
126 AbsTransport transport = getTransport(uri.getScheme()); | |
127 Map<String, String> selection = new HashMap<String, String>(); | |
128 transport.getSelectionArgs(uri, selection); | |
129 | |
130 if (selection.size() == 0) { | |
131 Log.e(TAG, String.format("Transport %s failed to do something useful with URI=%s", | |
132 uri.getScheme(), uri.toString())); | |
133 throw new IllegalStateException("Failed to get needed selection arguments"); | |
134 } | |
135 | |
136 return hostdb.findHost(selection); | |
137 } | |
138 } |