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annotate src/org/tn5250j/framework/transport/SocketConnector.java @ 221:70ecbf70eadb stable-1.8.4

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author Carl Byington <carl@five-ten-sg.com>
date Tue, 08 Jul 2014 11:13:35 -0700
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1
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2 /**
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3 * @(#)SocketConnector.java
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4 * @author Stephen M. Kennedy
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5 *
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6 * Copyright: Copyright (c) 2001
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7 *
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8 * This program is free software; you can redistribute it and/or modify
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9 * it under the terms of the GNU General Public License as published by
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10 * the Free Software Foundation; either version 2, or (at your option)
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11 * any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful,
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 * GNU General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU General Public License
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19 * along with this software; see the file COPYING. If not, write to
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20 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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21 * Boston, MA 02111-1307 USA
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22 *
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23 */
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24 package org.tn5250j.framework.transport;
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25
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26 import java.net.Socket;
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28 import com.five_ten_sg.connectbot.service.TerminalBridge;
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29 import com.five_ten_sg.connectbot.service.TerminalManager;
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31 import org.tn5250j.framework.transport.SSL.SSLImplementation;
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32 import org.tn5250j.TN5250jConstants;
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33 import android.util.Log;
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36 public class SocketConnector {
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37 private static final String TAG = "SocketConnector";
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39 /**
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40 * Creates a new instance that creates a plain socket by default.
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41 */
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42 public SocketConnector() {
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43 }
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45 /**
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46 * Create a new client Socket to the given destination, port and sslType of
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47 * encryption.
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48 * @param destination
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49 * @param port
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50 * @return a new client socket, or null if
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51 */
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52 public Socket createSocket(String destination, int port, String sslType, String homeDirectory, TerminalBridge bridge, TerminalManager manager) {
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53 Socket socket = null;
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54 Exception ex = null;
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56 if (sslType == null || sslType.trim().length() == 0 ||
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57 sslType.toUpperCase().equals(TN5250jConstants.SSL_TYPE_NONE)) {
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58 Log.i(TAG, "Creating Plain Socket");
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60 try {
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61 // Use Socket Constructor!!! SocketFactory for jdk 1.4
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62 socket = new Socket(destination, port);
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63 }
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64 catch (Exception e) {
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65 ex = e;
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66 }
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67 }
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68 else { //SSL SOCKET
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69 Log.i(TAG, "Creating SSL [" + sslType + "] Socket");
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70 SSLInterface sslIf = null;
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72 try {
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73 sslIf = (SSLInterface) new SSLImplementation(bridge, manager);
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74 }
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75 catch (Exception e) {
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76 ex = new Exception("Failed to create SSLInterface Instance. " +
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77 "Message is [" + e.getMessage() + "]");
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78 }
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80 if (sslIf != null) {
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81 sslIf.init(sslType, homeDirectory);
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82 socket = sslIf.createSSLSocket(destination, port);
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83 }
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84 }
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86 if (ex != null) {
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87 Log.e(TAG, "exception", ex);
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88 }
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89
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90 if (socket == null) {
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91 Log.w(TAG, "No socket was created");
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92 }
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93
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94 return socket;
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95 }
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98 }