Mercurial > 510Connectbot
annotate src/org/tn5250j/GlobalConfigure.java @ 78:044b1a951925 tn5250
convert 5250 to vt320 attributes
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Sun, 15 Jun 2014 11:05:06 -0700 |
| parents | b29b39f386a4 |
| children | 8f23b05a51f7 |
| rev | line source |
|---|---|
| 20 | 1 /** |
| 2 * Title: GlobalConfigure.java | |
| 3 * Copyright: Copyright (c) 2001, 2002, 2003 | |
| 4 * Company: | |
| 5 * @author Kenneth J. Pouncey | |
| 6 * @version 0.1 | |
| 7 * | |
| 8 * Description: | |
| 9 * | |
| 10 * This program is free software; you can redistribute it and/or modify | |
| 11 * it under the terms of the GNU General Public License as published by | |
| 12 * the Free Software Foundation; either version 2, or (at your option) | |
| 13 * any later version. | |
| 14 * | |
| 15 * This program is distributed in the hope that it will be useful, | |
| 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 * GNU General Public License for more details. | |
| 19 * | |
| 20 * You should have received a copy of the GNU General Public License | |
| 21 * along with this software; see the file COPYING. If not, write to | |
| 22 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, | |
| 23 * Boston, MA 02111-1307 USA | |
| 24 * | |
| 25 */ | |
| 26 package org.tn5250j; | |
| 27 | |
| 28 import java.io.BufferedReader; | |
| 29 import java.io.File; | |
| 30 import java.io.FileInputStream; | |
| 31 import java.io.FileNotFoundException; | |
| 32 import java.io.FileOutputStream; | |
| 33 import java.io.FileReader; | |
| 34 import java.io.FileWriter; | |
| 35 import java.io.IOException; | |
| 36 import java.io.PrintWriter; | |
| 37 import java.util.Hashtable; | |
| 38 import java.util.Properties; | |
| 39 | |
| 21 | 40 import com.five_ten_sg.connectbot.TerminalView; |
| 20 | 41 import org.tn5250j.interfaces.ConfigureFactory; |
|
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42 import android.util.Log; |
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43 |
| 20 | 44 |
| 45 /** | |
| 46 * Utility class for referencing global settings and functions of which at most | |
| 47 * one instance can exist per VM. | |
| 48 * | |
| 49 * Use GlobalConfigure.instance() to access this instance. | |
| 50 */ | |
| 51 public class GlobalConfigure extends ConfigureFactory { | |
|
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52 private static final String TAG = "GlobalConfigure"; |
| 20 | 53 public static final String TN5250J_FOLDER = ".tn5250j"; |
| 54 | |
| 55 /** | |
| 56 * A handle to the unique GlobalConfigure class | |
| 57 */ | |
| 58 static private GlobalConfigure _instance; | |
| 59 | |
| 60 /** | |
| 61 * A handle to the the Global Properties | |
| 62 */ | |
| 63 static private Properties settings; | |
| 64 | |
| 65 static private Hashtable registry = new Hashtable(); | |
| 66 static private Hashtable headers = new Hashtable(); //LUC GORRENS | |
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67 |
| 20 | 68 |
| 69 /** | |
| 70 * The constructor is made protected to allow overriding. | |
| 71 */ | |
| 72 public GlobalConfigure() { | |
| 73 if (_instance == null) { | |
| 74 // initialize the settings information | |
| 75 initialize(); | |
| 76 // set our instance to this one. | |
| 77 _instance = this; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 /** | |
| 82 * | |
| 83 * @return The unique instance of this class. | |
| 84 */ | |
| 85 static public GlobalConfigure instance() { | |
| 86 | |
| 87 if (_instance == null) { | |
| 88 _instance = new GlobalConfigure(); | |
| 89 } | |
| 90 return _instance; | |
| 91 | |
| 92 } | |
| 93 | |
| 94 /** | |
| 95 * Initialize the properties registry for use later. | |
| 96 * | |
| 97 */ | |
| 98 private void initialize() { | |
| 99 verifySettingsFolder(); | |
| 100 loadSettings(); | |
| 101 loadSessions(); | |
| 102 loadMacros(); | |
| 103 loadKeyStrokes(); | |
| 104 } | |
| 105 | |
| 106 /** | |
| 107 * check if folder %USERPROFILE%/.tn5250j exists | |
| 108 * and create if necessary | |
| 109 */ | |
| 110 private void verifySettingsFolder() { | |
| 111 final String settingsfolder = settingsFolder(); | |
| 112 final File f = new File (settingsfolder); | |
| 113 if (!f.exists()) { | |
| 114 try { | |
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115 Log.i(TAG,"Settings folder '"+settingsfolder+"' doesn't exist. Will created now."); |
| 20 | 116 f.mkdir(); |
| 117 } catch (Exception e) { | |
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118 Log.w(TAG,"Couldn't create settings folder '"+settingsfolder+"'", e); |
| 20 | 119 } |
| 120 } | |
| 121 } | |
| 122 | |
| 123 /** | |
| 124 * Load the sessions properties | |
| 125 */ | |
| 126 private void loadSessions() { | |
| 127 | |
| 128 setProperties(SESSIONS,SESSIONS,"------ Sessions --------",true); | |
| 129 } | |
| 130 | |
| 131 /** | |
| 132 * Load the macros | |
| 133 */ | |
| 134 private void loadMacros() { | |
| 135 | |
| 136 setProperties(MACROS,MACROS,"------ Macros --------",true); | |
| 137 | |
| 138 } | |
| 139 | |
| 140 private void loadKeyStrokes() { | |
| 141 | |
| 142 setProperties(KEYMAP,KEYMAP, | |
| 143 "------ Key Map key=keycode,isShiftDown,isControlDown,isAltDown,isAltGrDown --------", | |
| 144 true); | |
| 145 | |
| 146 } | |
| 147 | |
| 148 /** | |
| 149 * Reload the environment settings. | |
| 150 */ | |
| 151 @Override | |
| 152 public void reloadSettings() { | |
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153 Log.i(TAG,"reloading settings"); |
| 20 | 154 loadSettings(); |
| 155 loadSessions(); | |
| 156 loadMacros(); | |
| 157 loadKeyStrokes(); | |
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158 Log.i(TAG,"Done (reloading settings)."); |
| 20 | 159 } |
| 160 | |
| 161 /** | |
| 162 * Loads the emulator setting from the setting(s) file | |
| 163 */ | |
| 164 private void loadSettings() { | |
| 165 | |
| 166 FileInputStream in = null; | |
| 167 settings = new Properties(); | |
| 168 | |
| 169 try { | |
| 170 in = new FileInputStream(settingsFile()); | |
| 171 settings.load(in); | |
| 172 } | |
| 173 catch (FileNotFoundException fnfea) { | |
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174 Log.i(TAG," Information Message: " |
| 20 | 175 + fnfea.getMessage() + ". The file " + settingsFile() |
| 176 + " will be created for first time use."); | |
| 177 saveSettings(); | |
| 178 } | |
| 179 catch (IOException ioea) { | |
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180 Log.w(TAG,"IO Exception accessing File " |
| 20 | 181 + settingsFile() + " for the following reason : " |
| 182 + ioea.getMessage()); | |
| 183 } | |
| 184 catch (SecurityException sea) { | |
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185 Log.w(TAG,"Security Exception for file " |
| 20 | 186 + settingsFile() + " This file can not be " |
| 187 + "accessed because : " + sea.getMessage()); | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 /** | |
| 192 * Save the settings for the global configuration | |
| 193 */ | |
| 194 @Override | |
| 195 public void saveSettings() { | |
| 196 | |
| 197 try { | |
| 198 FileOutputStream out = new FileOutputStream(settingsFile()); | |
| 199 settings.store(out,"----------------- tn5250j Global Settings --------------"); | |
| 200 } | |
| 201 catch (FileNotFoundException fnfe) {} | |
| 202 catch (IOException ioe) {} | |
| 203 } | |
| 204 | |
| 205 /** | |
| 206 * Save the setting in the registry using the key passed in with no header | |
| 207 * output. | |
| 208 * | |
| 209 * @param regKey | |
| 210 */ | |
| 211 @Override | |
| 212 public void saveSettings(String regKey) { | |
| 213 | |
| 214 saveSettings(regKey,""); | |
| 215 } | |
| 216 | |
| 217 /** | |
| 218 * Save the settings in the registry using the key passed with a header | |
| 219 * in the output. | |
| 220 * | |
| 221 * @param regKey | |
| 222 * @param Header | |
| 223 */ | |
| 224 @Override | |
| 225 public void saveSettings(String regKey, String header) { | |
| 226 | |
| 227 saveSettings(regKey,regKey,header); | |
| 228 } | |
| 229 | |
| 230 /** | |
| 231 * Save the settings in the registry using the key passed with a header | |
| 232 * in the output. | |
| 233 * | |
| 234 * @param regKey | |
| 235 * @param Header | |
| 236 */ | |
| 237 @Override | |
| 238 public void saveSettings(String regKey, String fileName, String header) { | |
| 239 | |
| 240 if (registry.containsKey(regKey)) { | |
| 241 try { | |
| 242 FileOutputStream out = new FileOutputStream( | |
| 243 settingsDirectory() + fileName); | |
| 244 Properties props = (Properties)registry.get(regKey); | |
| 245 props.store(out,header); | |
| 246 out.flush(); | |
| 247 out.close(); | |
| 248 } | |
| 249 catch (FileNotFoundException fnfe) { | |
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250 Log.w(TAG,"File not found : writing file " |
| 20 | 251 + fileName + ". Description of error is " |
| 252 + fnfe.getMessage()); | |
| 253 } | |
| 254 catch (IOException ioe) { | |
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255 Log.w(TAG,"IO Exception : writing file " |
| 20 | 256 + fileName + ". Description of error is " |
| 257 + ioe.getMessage()); | |
| 258 } | |
| 259 catch (SecurityException se) { | |
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260 Log.w(TAG,"Security Exception : writing file " |
| 20 | 261 + fileName + ". Description of error is " |
| 262 + se.getMessage()); | |
| 263 } | |
| 264 | |
| 265 } | |
| 266 | |
| 267 } | |
| 268 | |
| 269 /** | |
| 270 * Place the Properties in the registry under a given registry name | |
| 271 * | |
| 272 * @param regKey | |
| 273 * @param regProps | |
| 274 */ | |
| 275 @Override | |
| 276 public void setProperties(String regKey, Properties regProps) { | |
| 277 | |
| 278 registry.put(regKey, regProps); | |
| 279 | |
| 280 } | |
| 281 | |
| 282 /** | |
| 283 * Set the properties for the given registry key. | |
| 284 * | |
| 285 * @param regKey | |
| 286 * @param fileName | |
| 287 * @param header | |
| 288 */ | |
| 289 @Override | |
| 290 public void setProperties(String regKey, String fileName, String header) { //LG NEW | |
| 291 setProperties(regKey, fileName, header, false); | |
| 292 } | |
| 293 | |
| 294 /** | |
| 295 * Set the properties for the given registry key. | |
| 296 * | |
| 297 * @param regKey | |
| 298 * @param fileName | |
| 299 * @param header | |
| 300 * @param createFile | |
| 301 */ | |
| 302 @Override | |
| 303 public void setProperties(String regKey, String fileName, String header, | |
| 304 boolean createFile) { | |
| 305 | |
| 306 FileInputStream in = null; | |
| 307 Properties props = new Properties(); | |
| 308 headers.put(regKey, header); | |
| 309 | |
| 310 try { | |
| 311 in = new FileInputStream(settingsDirectory() + fileName); | |
| 312 props.load(in); | |
| 313 | |
| 314 } | |
| 315 catch (FileNotFoundException fnfe) { | |
| 316 | |
| 317 if (createFile) { | |
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318 Log.i(TAG," Information Message: " + fnfe.getMessage() |
| 20 | 319 + ". The file " + fileName + " will" |
| 320 + " be created for first time use."); | |
| 321 | |
| 322 saveSettings(regKey,header); | |
| 323 | |
| 324 } | |
| 325 else { | |
| 326 | |
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327 Log.i(TAG," Information Message: " + fnfe.getMessage() |
| 20 | 328 + "."); |
| 329 | |
| 330 } | |
| 331 } | |
| 332 catch (IOException ioe) { | |
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333 Log.w(TAG,"IO Exception accessing File "+ fileName + |
| 20 | 334 " for the following reason : " |
| 335 + ioe.getMessage()); | |
| 336 } | |
| 337 catch (SecurityException se) { | |
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338 Log.w(TAG,"Security Exception for file "+ fileName |
| 20 | 339 + ". This file can not be accessed because : " |
| 340 + se.getMessage()); | |
| 341 } | |
| 342 | |
| 343 registry.put(regKey,props); | |
| 344 | |
| 345 } | |
| 346 | |
| 347 /** | |
| 348 * Returns the properties associated with a given registry key. | |
| 349 * | |
| 350 * @param regKey | |
| 351 * @return | |
| 352 */ | |
| 353 @Override | |
| 354 public Properties getProperties(String regKey) { | |
| 355 | |
| 356 if (registry.containsKey(regKey)) { | |
| 357 return (Properties)registry.get(regKey); | |
| 358 } | |
| 359 return null; | |
| 360 } | |
| 361 | |
| 362 public Properties getProperties() { | |
| 363 return settings; | |
| 364 } | |
| 365 | |
| 366 @Override | |
| 367 public Properties getProperties(String regKey,String fileName) { | |
| 368 return getProperties(regKey,fileName,false,"",false); | |
| 369 } | |
| 370 | |
| 371 @Override | |
| 372 public Properties getProperties(String regKey,String fileName, | |
| 373 boolean createFile, String header) { | |
| 374 return getProperties(regKey,fileName,false,"",false); | |
| 375 } | |
| 376 | |
| 377 @Override | |
| 22 | 378 public Properties getProperties(String regKey, |
| 379 String fileName, | |
| 380 boolean createFile, | |
| 381 String header, | |
| 382 boolean reloadIfLoaded) { | |
| 20 | 383 |
| 384 if (!registry.containsKey(regKey) || reloadIfLoaded) { | |
| 385 | |
| 386 FileInputStream in = null; | |
| 387 Properties props = new Properties(); | |
| 388 headers.put(regKey, header); | |
| 389 | |
| 390 try { | |
| 391 in = new FileInputStream(settingsDirectory() | |
| 392 + fileName); | |
| 393 props.load(in); | |
| 394 | |
| 395 } | |
| 396 catch (FileNotFoundException fnfe) { | |
| 397 | |
| 398 if (createFile) { | |
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399 Log.i(TAG," Information Message: " + fnfe.getMessage() |
| 20 | 400 + ". The file " + fileName + " will" |
| 401 + " be created for first time use."); | |
| 402 | |
| 403 registry.put(regKey,props); | |
| 404 | |
| 405 saveSettings(regKey,header); | |
| 406 | |
| 407 return props; | |
| 408 | |
| 409 } | |
| 410 else { | |
| 411 | |
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412 Log.i(TAG," Information Message: " + fnfe.getMessage() |
| 20 | 413 + "."); |
| 414 | |
| 415 } | |
| 416 } | |
| 417 catch (IOException ioe) { | |
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418 Log.w(TAG,"IO Exception accessing File "+ fileName + |
| 20 | 419 " for the following reason : " |
| 420 + ioe.getMessage()); | |
| 421 } | |
| 422 catch (SecurityException se) { | |
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423 Log.w(TAG,"Security Exception for file "+ fileName |
| 20 | 424 + ". This file can not be accessed because : " |
| 425 + se.getMessage()); | |
| 426 } | |
| 427 | |
| 428 registry.put(regKey,props); | |
| 429 | |
| 430 return props; | |
| 431 } | |
| 432 else { | |
| 433 return (Properties)registry.get(regKey); | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 /** | |
| 438 * Returns the setting from the given key of the global properties or the | |
| 439 * default passed if the property does not exist. | |
| 440 * | |
| 441 * @param key | |
| 442 * @param def | |
| 443 * @return | |
| 444 */ | |
| 445 @Override | |
| 446 public String getProperty(String key, String def) { | |
| 447 if (settings.containsKey(key)) | |
| 448 return settings.getProperty(key); | |
| 449 else | |
| 450 return def; | |
| 451 } | |
| 452 | |
| 453 /** | |
| 454 * Returns the setting from the given key of the global properties. | |
| 455 * | |
| 456 * @param key | |
| 457 * @return | |
| 458 */ | |
| 459 @Override | |
| 460 public String getProperty(String key) { | |
| 461 return settings.getProperty(key); | |
| 462 } | |
| 463 | |
| 464 /** | |
| 465 * Private helper to return the full path to the settings file | |
| 466 * | |
| 467 * @return | |
| 468 */ | |
| 469 private String settingsFile() { | |
| 470 return settingsDirectory() + "tn5250jstartup.cfg"; | |
| 471 | |
| 472 } | |
| 473 | |
| 474 /** | |
| 475 * Private helper to return the settings directory | |
| 476 * | |
| 477 * @return | |
| 478 */ | |
| 479 private String settingsDirectory() { | |
| 480 return settingsFolder() + File.separator; | |
| 481 | |
| 482 } | |
| 483 | |
| 484 /** | |
| 485 * Private helper to return the settings folder path | |
| 486 * | |
| 487 * @return | |
| 488 */ | |
| 489 private String settingsFolder() { | |
| 490 return TerminalView.android_home_directory + File.separator + TN5250J_FOLDER; | |
| 491 | |
| 492 } | |
| 493 | |
| 494 /** | |
| 495 * Not sure yet so be careful using this. | |
| 496 * | |
| 497 * @return | |
| 498 */ | |
| 499 public ClassLoader getClassLoader() { | |
| 500 | |
| 501 ClassLoader loader = GlobalConfigure.class.getClassLoader(); | |
| 502 if (loader == null) | |
| 503 loader = ClassLoader.getSystemClassLoader(); | |
| 504 | |
| 505 return loader; | |
| 506 } | |
| 507 | |
| 508 } |