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20
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1 /**
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2 * Title: GlobalConfigure.java
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3 * Copyright: Copyright (c) 2001, 2002, 2003
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4 * Company:
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5 * @author Kenneth J. Pouncey
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6 * @version 0.1
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7 *
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8 * Description:
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9 *
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10 * This program is free software; you can redistribute it and/or modify
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11 * it under the terms of the GNU General Public License as published by
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12 * the Free Software Foundation; either version 2, or (at your option)
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13 * any later version.
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14 *
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15 * This program is distributed in the hope that it will be useful,
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16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 * GNU General Public License for more details.
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19 *
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20 * You should have received a copy of the GNU General Public License
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21 * along with this software; see the file COPYING. If not, write to
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22 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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23 * Boston, MA 02111-1307 USA
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24 *
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25 */
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26 package org.tn5250j;
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27
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28 import java.io.BufferedReader;
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29 import java.io.File;
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30 import java.io.FileInputStream;
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31 import java.io.FileNotFoundException;
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32 import java.io.FileOutputStream;
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33 import java.io.FileReader;
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34 import java.io.FileWriter;
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35 import java.io.IOException;
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36 import java.io.PrintWriter;
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37 import java.util.Hashtable;
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38 import java.util.Properties;
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39
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40 import javax.swing.JOptionPane;
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41
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21
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42 import com.five_ten_sg.connectbot.TerminalView;
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20
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43 import org.tn5250j.interfaces.ConfigureFactory;
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44 import org.tn5250j.tools.logging.TN5250jLogFactory;
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45 import org.tn5250j.tools.logging.TN5250jLogger;
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46
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47 /**
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48 * Utility class for referencing global settings and functions of which at most
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49 * one instance can exist per VM.
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50 *
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51 * Use GlobalConfigure.instance() to access this instance.
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52 */
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53 public class GlobalConfigure extends ConfigureFactory {
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54
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55 public static final String TN5250J_FOLDER = ".tn5250j";
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56
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57 /**
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58 * A handle to the unique GlobalConfigure class
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59 */
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60 static private GlobalConfigure _instance;
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61
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62 /**
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63 * A handle to the the Global Properties
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64 */
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65 static private Properties settings;
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66
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67 static private Hashtable registry = new Hashtable();
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68 static private Hashtable headers = new Hashtable(); //LUC GORRENS
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69
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70 // Moved to ConfigureFactory
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71 // static final public String SESSIONS = "sessions";
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72 static final public File ses = new File(SESSIONS);
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73 // static final public String MACROS = "macros";
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74 // static final public String KEYMAP = "keymap";
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75
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76 private final TN5250jLogger log = TN5250jLogFactory.getLogger (this.getClass());
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77
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78 /**
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79 * The constructor is made protected to allow overriding.
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80 */
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81 public GlobalConfigure() {
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82 if (_instance == null) {
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83 // initialize the settings information
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84 initialize();
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85 // set our instance to this one.
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86 _instance = this;
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87 }
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88 }
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89
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90 /**
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91 *
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92 * @return The unique instance of this class.
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93 */
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94 static public GlobalConfigure instance() {
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95
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96 if (_instance == null) {
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97 _instance = new GlobalConfigure();
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98 }
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99 return _instance;
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100
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101 }
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102
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103 /**
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104 * Initialize the properties registry for use later.
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105 *
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106 */
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107 private void initialize() {
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108 verifySettingsFolder();
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109 loadSettings();
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110 loadSessions();
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111 loadMacros();
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112 loadKeyStrokes();
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113 }
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114
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115 /**
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116 * check if folder %USERPROFILE%/.tn5250j exists
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117 * and create if necessary
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118 */
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119 private void verifySettingsFolder() {
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120 final String settingsfolder = settingsFolder();
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121 final File f = new File (settingsfolder);
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122 if (!f.exists()) {
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123 try {
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124 if (log.isInfoEnabled()) {
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125 log.info("Settings folder '"+settingsfolder+"' doesn't exist. Will created now.");
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126 }
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127 f.mkdir();
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128 } catch (Exception e) {
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129 if (log.isWarnEnabled()) {
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130 log.warn("Couldn't create settings folder '"+settingsfolder+"'", e);
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131 }
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132 }
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133 }
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134 }
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135
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136 /**
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137 * Load the sessions properties
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138 */
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139 private void loadSessions() {
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140
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141 setProperties(SESSIONS,SESSIONS,"------ Sessions --------",true);
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142 }
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143
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144 /**
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145 * Load the macros
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146 */
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147 private void loadMacros() {
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148
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149 setProperties(MACROS,MACROS,"------ Macros --------",true);
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150
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151 }
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152
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153 private void loadKeyStrokes() {
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154
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155 setProperties(KEYMAP,KEYMAP,
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156 "------ Key Map key=keycode,isShiftDown,isControlDown,isAltDown,isAltGrDown --------",
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157 true);
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158
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159 }
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160
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161 /**
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162 * Reload the environment settings.
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163 */
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164 @Override
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165 public void reloadSettings() {
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166 if (log.isInfoEnabled()) {
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167 log.info("reloading settings");
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168 }
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169 loadSettings();
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170 loadSessions();
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171 loadMacros();
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172 loadKeyStrokes();
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173 if (log.isInfoEnabled()) {
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174 log.info("Done (reloading settings).");
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175 }
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176 }
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177
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178 /**
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179 * Loads the emulator setting from the setting(s) file
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180 */
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181 private void loadSettings() {
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182
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183 FileInputStream in = null;
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184 settings = new Properties();
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185
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186 try {
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187 in = new FileInputStream(settingsFile());
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188 settings.load(in);
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189 }
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190 catch (FileNotFoundException fnfea) {
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191 log.info(" Information Message: "
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192 + fnfea.getMessage() + ". The file " + settingsFile()
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193 + " will be created for first time use.");
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194 checkLegacy();
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195 saveSettings();
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196 }
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197 catch (IOException ioea) {
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198 log.warn("IO Exception accessing File "
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199 + settingsFile() + " for the following reason : "
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200 + ioea.getMessage());
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201 }
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202 catch (SecurityException sea) {
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203 log.warn("Security Exception for file "
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204 + settingsFile() + " This file can not be "
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205 + "accessed because : " + sea.getMessage());
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206 }
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207 }
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208
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209 private void checkDirs() {
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210 // we now check to see if the settings directory is a directory. If not then we create it
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211 File sd = new File(settings.getProperty("emulator.settingsDirectory"));
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212 if (!sd.isDirectory())
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213 sd.mkdirs();
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214 }
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215
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216 private void checkLegacy() {
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217 // we check if the sessions file already exists in the directory
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218 // if it does exist we are working with an old install so we
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219 // need to set the settings directory to the users directory
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220 // SESSIONS is declared as a string, so we just can use the keyword here.
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221 if(ses.exists()) {
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222 int cfc;
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223 cfc = JOptionPane.showConfirmDialog(null,
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224 "Dear User,\n\n" +
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225 "Seems you are using an old version of tn5250j.\n" +
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226 "In meanwhile the application became multi-user capable,\n" +
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227 "which means ALL the config- and settings-files are\n" +
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228 "placed in your home-dir to avoid further problems in\n" +
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229 "the near future.\n\n" +
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230 "You have the choice to choose if you want the files\n" +
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231 "to be copied or not, please make your choice !\n\n" +
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232 "Shall we copy the files to the new location ?",
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233 "Old install detected", JOptionPane.WARNING_MESSAGE,
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234 JOptionPane.YES_NO_OPTION);
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235 if (cfc == 0) {
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236 // Here we do a checkdir so we know the destination-dir exists
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237 checkDirs();
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238 copyConfigs(SESSIONS);
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239 copyConfigs(MACROS);
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240 copyConfigs(KEYMAP);
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241 }
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242 else {
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243 JOptionPane.showMessageDialog(null,
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244 "Dear User,\n\n" +
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245 "You choosed not to copy the file.\n" +
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246 "This means the program will end here.\n\n" +
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247 "To use this NON-STANDARD behaviour start tn5250j\n" +
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248 "with -Demulator.settingsDirectory=<settings-dir> \n" +
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249 "as a parameter to avoid this question all the time.",
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250 "Using NON-STANDARD behaviour", JOptionPane.WARNING_MESSAGE);
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251 System.exit(0);
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252 }
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253 }
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254 }
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255
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256 private void copyConfigs(String sesFile) {
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257 /** Copy the config-files to the user's home-dir */
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258 String srcFile = System.getProperty("user.dir") + File.separator + sesFile;
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259 String dest = System.getProperty("user.home") +
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260 File.separator + TN5250J_FOLDER + File.separator + sesFile;
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261 File rmvFile = new File(sesFile);
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262 try {
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263 FileReader r = new FileReader(srcFile);
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264 BufferedReader b = new BufferedReader(r);
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265
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266 FileWriter w = new FileWriter(dest);
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267 PrintWriter p = new PrintWriter(w);
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268 String regel = b.readLine();
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269 while (regel != null) {
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270 p.println(regel);
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271 regel = b.readLine();
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272 }
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273 b.close();
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274 p.close();
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275 rmvFile.delete();
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276 }
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277 catch (FileNotFoundException e) {
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278 log.warn(srcFile + " not found !");
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279 }
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280 catch (IOException e) {
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281 log.warn("Global io-error !");
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282 }
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283 catch (ArrayIndexOutOfBoundsException e) {
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284 }
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285 }
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286
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287 /**
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288 * Save the settings for the global configuration
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289 */
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290 @Override
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291 public void saveSettings() {
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292
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293 try {
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294 FileOutputStream out = new FileOutputStream(settingsFile());
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295 settings.store(out,"----------------- tn5250j Global Settings --------------");
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296 }
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297 catch (FileNotFoundException fnfe) {}
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298 catch (IOException ioe) {}
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299 }
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300
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301 /**
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302 * Save the setting in the registry using the key passed in with no header
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303 * output.
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304 *
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305 * @param regKey
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306 */
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307 @Override
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308 public void saveSettings(String regKey) {
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309
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310 saveSettings(regKey,"");
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311 }
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312
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313 /**
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314 * Save the settings in the registry using the key passed with a header
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315 * in the output.
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316 *
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317 * @param regKey
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318 * @param Header
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319 */
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320 @Override
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321 public void saveSettings(String regKey, String header) {
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322
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323 saveSettings(regKey,regKey,header);
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324 }
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325
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326 /**
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327 * Save the settings in the registry using the key passed with a header
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328 * in the output.
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329 *
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330 * @param regKey
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331 * @param Header
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332 */
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333 @Override
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334 public void saveSettings(String regKey, String fileName, String header) {
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335
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336 if (registry.containsKey(regKey)) {
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337 try {
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338 FileOutputStream out = new FileOutputStream(
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339 settingsDirectory() + fileName);
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340 Properties props = (Properties)registry.get(regKey);
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341 props.store(out,header);
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342 out.flush();
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343 out.close();
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344 }
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345 catch (FileNotFoundException fnfe) {
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346 log.warn("File not found : writing file "
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347 + fileName + ". Description of error is "
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348 + fnfe.getMessage());
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349 }
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350 catch (IOException ioe) {
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351 log.warn("IO Exception : writing file "
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352 + fileName + ". Description of error is "
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353 + ioe.getMessage());
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354 }
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355 catch (SecurityException se) {
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356 log.warn("Security Exception : writing file "
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357 + fileName + ". Description of error is "
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358 + se.getMessage());
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359 }
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360
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361 }
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362
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363 }
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364
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365 /**
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366 * Place the Properties in the registry under a given registry name
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367 *
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368 * @param regKey
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369 * @param regProps
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370 */
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371 @Override
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372 public void setProperties(String regKey, Properties regProps) {
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373
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374 registry.put(regKey, regProps);
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375
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376 }
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377
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378 /**
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379 * Set the properties for the given registry key.
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380 *
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381 * @param regKey
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382 * @param fileName
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383 * @param header
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384 */
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385 @Override
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386 public void setProperties(String regKey, String fileName, String header) { //LG NEW
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387 setProperties(regKey, fileName, header, false);
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388 }
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389
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390 /**
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391 * Set the properties for the given registry key.
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392 *
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393 * @param regKey
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394 * @param fileName
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395 * @param header
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396 * @param createFile
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397 */
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398 @Override
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399 public void setProperties(String regKey, String fileName, String header,
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400 boolean createFile) {
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401
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402 FileInputStream in = null;
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403 Properties props = new Properties();
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404 headers.put(regKey, header);
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405
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406 try {
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407 in = new FileInputStream(settingsDirectory() + fileName);
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408 props.load(in);
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409
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410 }
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411 catch (FileNotFoundException fnfe) {
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412
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413 if (createFile) {
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414 log.info(" Information Message: " + fnfe.getMessage()
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415 + ". The file " + fileName + " will"
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416 + " be created for first time use.");
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417
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418 saveSettings(regKey,header);
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419
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420 }
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421 else {
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422
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423 log.info(" Information Message: " + fnfe.getMessage()
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424 + ".");
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425
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426 }
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427 }
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428 catch (IOException ioe) {
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429 log.warn("IO Exception accessing File "+ fileName +
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430 " for the following reason : "
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431 + ioe.getMessage());
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432 }
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433 catch (SecurityException se) {
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434 log.warn("Security Exception for file "+ fileName
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435 + ". This file can not be accessed because : "
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436 + se.getMessage());
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437 }
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438
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439 registry.put(regKey,props);
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440
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441 }
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442
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443 /**
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444 * Returns the properties associated with a given registry key.
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445 *
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446 * @param regKey
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447 * @return
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448 */
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449 @Override
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450 public Properties getProperties(String regKey) {
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451
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452 if (registry.containsKey(regKey)) {
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453 return (Properties)registry.get(regKey);
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454 }
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455 return null;
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456 }
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457
|
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458 public Properties getProperties() {
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459 return settings;
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|
460 }
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|
461
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|
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462 @Override
|
|
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463 public Properties getProperties(String regKey,String fileName) {
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464 return getProperties(regKey,fileName,false,"",false);
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465 }
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466
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|
|
467 @Override
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|
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468 public Properties getProperties(String regKey,String fileName,
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|
|
469 boolean createFile, String header) {
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|
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470 return getProperties(regKey,fileName,false,"",false);
|
|
|
471 }
|
|
|
472
|
|
|
473 @Override
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|
|
474 public Properties getProperties(String regKey,String fileName,
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|
|
475 boolean createFile,String header,
|
|
|
476 boolean reloadIfLoaded) {
|
|
|
477
|
|
|
478 if (!registry.containsKey(regKey) || reloadIfLoaded) {
|
|
|
479
|
|
|
480 FileInputStream in = null;
|
|
|
481 Properties props = new Properties();
|
|
|
482 headers.put(regKey, header);
|
|
|
483
|
|
|
484 try {
|
|
|
485 in = new FileInputStream(settingsDirectory()
|
|
|
486 + fileName);
|
|
|
487 props.load(in);
|
|
|
488
|
|
|
489 }
|
|
|
490 catch (FileNotFoundException fnfe) {
|
|
|
491
|
|
|
492 if (createFile) {
|
|
|
493 log.info(" Information Message: " + fnfe.getMessage()
|
|
|
494 + ". The file " + fileName + " will"
|
|
|
495 + " be created for first time use.");
|
|
|
496
|
|
|
497 registry.put(regKey,props);
|
|
|
498
|
|
|
499 saveSettings(regKey,header);
|
|
|
500
|
|
|
501 return props;
|
|
|
502
|
|
|
503 }
|
|
|
504 else {
|
|
|
505
|
|
|
506 log.info(" Information Message: " + fnfe.getMessage()
|
|
|
507 + ".");
|
|
|
508
|
|
|
509 }
|
|
|
510 }
|
|
|
511 catch (IOException ioe) {
|
|
|
512 log.warn("IO Exception accessing File "+ fileName +
|
|
|
513 " for the following reason : "
|
|
|
514 + ioe.getMessage());
|
|
|
515 }
|
|
|
516 catch (SecurityException se) {
|
|
|
517 log.warn("Security Exception for file "+ fileName
|
|
|
518 + ". This file can not be accessed because : "
|
|
|
519 + se.getMessage());
|
|
|
520 }
|
|
|
521
|
|
|
522 registry.put(regKey,props);
|
|
|
523
|
|
|
524 return props;
|
|
|
525 }
|
|
|
526 else {
|
|
|
527 return (Properties)registry.get(regKey);
|
|
|
528 }
|
|
|
529 }
|
|
|
530
|
|
|
531 /**
|
|
|
532 * Returns the setting from the given key of the global properties or the
|
|
|
533 * default passed if the property does not exist.
|
|
|
534 *
|
|
|
535 * @param key
|
|
|
536 * @param def
|
|
|
537 * @return
|
|
|
538 */
|
|
|
539 @Override
|
|
|
540 public String getProperty(String key, String def) {
|
|
|
541 if (settings.containsKey(key))
|
|
|
542 return settings.getProperty(key);
|
|
|
543 else
|
|
|
544 return def;
|
|
|
545 }
|
|
|
546
|
|
|
547 /**
|
|
|
548 * Returns the setting from the given key of the global properties.
|
|
|
549 *
|
|
|
550 * @param key
|
|
|
551 * @return
|
|
|
552 */
|
|
|
553 @Override
|
|
|
554 public String getProperty(String key) {
|
|
|
555 return settings.getProperty(key);
|
|
|
556 }
|
|
|
557
|
|
|
558 /**
|
|
|
559 * Private helper to return the full path to the settings file
|
|
|
560 *
|
|
|
561 * @return
|
|
|
562 */
|
|
|
563 private String settingsFile() {
|
|
|
564 return settingsDirectory() + "tn5250jstartup.cfg";
|
|
|
565
|
|
|
566 }
|
|
|
567
|
|
|
568 /**
|
|
|
569 * Private helper to return the settings directory
|
|
|
570 *
|
|
|
571 * @return
|
|
|
572 */
|
|
|
573 private String settingsDirectory() {
|
|
|
574 return settingsFolder() + File.separator;
|
|
|
575
|
|
|
576 }
|
|
|
577
|
|
|
578 /**
|
|
|
579 * Private helper to return the settings folder path
|
|
|
580 *
|
|
|
581 * @return
|
|
|
582 */
|
|
|
583 private String settingsFolder() {
|
|
|
584 return TerminalView.android_home_directory + File.separator + TN5250J_FOLDER;
|
|
|
585
|
|
|
586 }
|
|
|
587
|
|
|
588 /**
|
|
|
589 * Not sure yet so be careful using this.
|
|
|
590 *
|
|
|
591 * @return
|
|
|
592 */
|
|
|
593 public ClassLoader getClassLoader() {
|
|
|
594
|
|
|
595 ClassLoader loader = GlobalConfigure.class.getClassLoader();
|
|
|
596 if (loader == null)
|
|
|
597 loader = ClassLoader.getSystemClassLoader();
|
|
|
598
|
|
|
599 return loader;
|
|
|
600 }
|
|
|
601
|
|
|
602 }
|
