Mercurial > 510Connectbot
annotate src/com/five_ten_sg/connectbot/HostEditorActivity.java @ 92:e5259eab903e
remove 5250 configuration
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Mon, 16 Jun 2014 16:22:34 -0700 |
| parents | bb27518ac2e9 |
| children | 77ac18bc1b2f |
| rev | line source |
|---|---|
| 0 | 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; | |
| 19 | |
| 20 import java.nio.charset.Charset; | |
| 21 import java.util.Arrays; | |
| 22 import java.util.HashMap; | |
| 23 import java.util.LinkedList; | |
| 24 import java.util.List; | |
| 25 import java.util.Map; | |
| 26 import java.util.Map.Entry; | |
| 27 import java.util.Set; | |
| 28 | |
| 29 import com.five_ten_sg.connectbot.bean.HostBean; | |
| 30 import com.five_ten_sg.connectbot.service.TerminalBridge; | |
| 31 import com.five_ten_sg.connectbot.service.TerminalManager; | |
| 32 import com.five_ten_sg.connectbot.util.HostDatabase; | |
| 33 import com.five_ten_sg.connectbot.util.PubkeyDatabase; | |
| 34 import android.content.ComponentName; | |
| 35 import android.content.ContentValues; | |
| 36 import android.content.Context; | |
| 37 import android.content.Intent; | |
| 38 import android.content.ServiceConnection; | |
| 39 import android.content.SharedPreferences; | |
| 40 import android.content.SharedPreferences.OnSharedPreferenceChangeListener; | |
| 41 import android.database.Cursor; | |
| 42 import android.database.sqlite.SQLiteDatabase; | |
| 43 import android.os.Bundle; | |
| 44 import android.os.IBinder; | |
| 45 import android.preference.CheckBoxPreference; | |
| 46 import android.preference.ListPreference; | |
| 47 import android.preference.Preference; | |
| 48 import android.preference.PreferenceActivity; | |
| 49 import android.util.Log; | |
| 50 | |
| 51 public class HostEditorActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener { | |
| 52 public class CursorPreferenceHack implements SharedPreferences { | |
| 53 protected final String table; | |
| 54 protected final long id; | |
| 55 | |
| 56 protected Map<String, String> values = new HashMap<String, String>(); | |
| 57 // protected Map<String, String> pubkeys = new HashMap<String, String>(); | |
| 58 | |
| 59 public CursorPreferenceHack(String table, long id) { | |
| 60 this.table = table; | |
| 61 this.id = id; | |
| 62 cacheValues(); | |
| 63 } | |
| 64 | |
| 65 protected final void cacheValues() { | |
| 66 // fill a cursor and cache the values locally | |
| 67 // this makes sure we dont have any floating cursor to dispose later | |
| 68 SQLiteDatabase db = hostdb.getReadableDatabase(); | |
| 69 Cursor cursor = db.query(table, null, "_id = ?", | |
| 70 new String[] { String.valueOf(id) }, null, null, null); | |
| 71 | |
| 72 if (cursor.moveToFirst()) { | |
| 73 for (int i = 0; i < cursor.getColumnCount(); i++) { | |
| 74 String key = cursor.getColumnName(i); | |
| 75 | |
| 76 if (key.equals(HostDatabase.FIELD_HOST_HOSTKEY)) continue; | |
| 77 | |
| 78 String value = cursor.getString(i); | |
| 79 values.put(key, value); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 cursor.close(); | |
| 84 db.close(); | |
| 85 // db = pubkeydb.getReadableDatabase(); | |
| 86 // cursor = db.query(PubkeyDatabase.TABLE_PUBKEYS, | |
| 87 // new String[] { "_id", PubkeyDatabase.FIELD_PUBKEY_NICKNAME }, | |
| 88 // null, null, null, null, null); | |
| 89 // | |
| 90 // if (cursor.moveToFirst()) { | |
| 91 // do { | |
| 92 // String pubkeyid = String.valueOf(cursor.getLong(0)); | |
| 93 // String value = cursor.getString(1); | |
| 94 // pubkeys.put(pubkeyid, value); | |
| 95 // } while (cursor.moveToNext()); | |
| 96 // } | |
| 97 // | |
| 98 // cursor.close(); | |
| 99 // db.close(); | |
| 100 } | |
| 101 | |
| 102 public boolean contains(String key) { | |
| 103 return values.containsKey(key); | |
| 104 } | |
| 105 | |
| 106 public class Editor implements SharedPreferences.Editor { | |
| 107 | |
| 108 private ContentValues update = new ContentValues(); | |
| 109 | |
| 110 public SharedPreferences.Editor clear() { | |
| 111 Log.d(this.getClass().toString(), "clear()"); | |
| 112 update = new ContentValues(); | |
| 113 return this; | |
| 114 } | |
| 115 | |
| 116 public boolean commit() { | |
| 117 //Log.d(this.getClass().toString(), "commit() changes back to database"); | |
| 118 SQLiteDatabase db = hostdb.getWritableDatabase(); | |
| 119 db.update(table, update, "_id = ?", new String[] { String.valueOf(id) }); | |
| 120 db.close(); | |
| 121 // make sure we refresh the parent cached values | |
| 122 cacheValues(); | |
| 123 | |
| 124 // and update any listeners | |
| 125 for (OnSharedPreferenceChangeListener listener : listeners) { | |
| 126 listener.onSharedPreferenceChanged(CursorPreferenceHack.this, null); | |
| 127 } | |
| 128 | |
| 129 return true; | |
| 130 } | |
| 131 | |
| 132 // Gingerbread compatibility | |
| 133 public void apply() { | |
| 134 commit(); | |
| 135 } | |
| 136 | |
| 137 public android.content.SharedPreferences.Editor putBoolean(String key, boolean value) { | |
| 138 return this.putString(key, Boolean.toString(value)); | |
| 139 } | |
| 140 | |
| 141 public android.content.SharedPreferences.Editor putFloat(String key, float value) { | |
| 142 return this.putString(key, Float.toString(value)); | |
| 143 } | |
| 144 | |
| 145 public android.content.SharedPreferences.Editor putInt(String key, int value) { | |
| 146 return this.putString(key, Integer.toString(value)); | |
| 147 } | |
| 148 | |
| 149 public android.content.SharedPreferences.Editor putLong(String key, long value) { | |
| 150 return this.putString(key, Long.toString(value)); | |
| 151 } | |
| 152 | |
| 153 public android.content.SharedPreferences.Editor putString(String key, String value) { | |
| 154 //Log.d(this.getClass().toString(), String.format("Editor.putString(key=%s, value=%s)", key, value)); | |
| 155 update.put(key, value); | |
| 156 return this; | |
| 157 } | |
| 158 | |
| 159 public android.content.SharedPreferences.Editor remove(String key) { | |
| 160 //Log.d(this.getClass().toString(), String.format("Editor.remove(key=%s)", key)); | |
| 161 update.remove(key); | |
| 162 return this; | |
| 163 } | |
| 164 | |
| 165 public android.content.SharedPreferences.Editor putStringSet(String key, Set<String> value) { | |
| 166 throw new UnsupportedOperationException("HostEditor Prefs do not support Set<String>"); | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 | |
| 171 public Editor edit() { | |
| 172 //Log.d(this.getClass().toString(), "edit()"); | |
| 173 return new Editor(); | |
| 174 } | |
| 175 | |
| 176 public Map<String, ?> getAll() { | |
| 177 return values; | |
| 178 } | |
| 179 | |
| 180 public boolean getBoolean(String key, boolean defValue) { | |
| 181 return Boolean.valueOf(this.getString(key, Boolean.toString(defValue))); | |
| 182 } | |
| 183 | |
| 184 public float getFloat(String key, float defValue) { | |
| 185 return Float.valueOf(this.getString(key, Float.toString(defValue))); | |
| 186 } | |
| 187 | |
| 188 public int getInt(String key, int defValue) { | |
| 189 return Integer.valueOf(this.getString(key, Integer.toString(defValue))); | |
| 190 } | |
| 191 | |
| 192 public long getLong(String key, long defValue) { | |
| 193 return Long.valueOf(this.getString(key, Long.toString(defValue))); | |
| 194 } | |
| 195 | |
| 196 public String getString(String key, String defValue) { | |
| 197 //Log.d(this.getClass().toString(), String.format("getString(key=%s, defValue=%s)", key, defValue)); | |
| 198 if (!values.containsKey(key)) return defValue; | |
| 199 | |
| 200 return values.get(key); | |
| 201 } | |
| 202 | |
| 203 public Set<String> getStringSet(String key, Set<String> defValue) { | |
| 204 throw new ClassCastException("HostEditor Prefs do not support Set<String>"); | |
| 205 } | |
| 206 | |
| 207 protected List<OnSharedPreferenceChangeListener> listeners = new LinkedList<OnSharedPreferenceChangeListener>(); | |
| 208 | |
| 209 public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) { | |
| 210 listeners.add(listener); | |
| 211 } | |
| 212 | |
| 213 public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) { | |
| 214 listeners.remove(listener); | |
| 215 } | |
| 216 | |
| 217 } | |
| 218 | |
| 219 @Override | |
| 220 public SharedPreferences getSharedPreferences(String name, int mode) { | |
| 221 //Log.d(this.getClass().toString(), String.format("getSharedPreferences(name=%s)", name)); | |
| 222 return this.pref; | |
| 223 } | |
| 224 | |
| 225 protected static final String TAG = "ConnectBot.HostEditorActivity"; | |
| 226 | |
| 227 protected HostDatabase hostdb = null; | |
| 228 private PubkeyDatabase pubkeydb = null; | |
| 229 | |
| 230 private CursorPreferenceHack pref; | |
| 231 private ServiceConnection connection; | |
| 232 | |
| 233 private HostBean host; | |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
234 private boolean enableSSHFeatures; |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
235 private boolean enable5250Features; |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
236 private boolean enableAsyncFeatures; |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
237 |
| 0 | 238 protected TerminalBridge hostBridge; |
| 239 | |
| 240 @Override | |
| 241 public void onCreate(Bundle icicle) { | |
| 242 super.onCreate(icicle); | |
| 243 long hostId = this.getIntent().getLongExtra(Intent.EXTRA_TITLE, -1); | |
| 244 // TODO: we could pass through a specific ContentProvider uri here | |
| 245 //this.getPreferenceManager().setSharedPreferencesName(uri); | |
| 246 this.hostdb = new HostDatabase(this); | |
| 247 this.pubkeydb = new PubkeyDatabase(this); | |
| 248 host = hostdb.findHostById(hostId); | |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
249 enableSSHFeatures = host.isSSH(); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
250 enable5250Features = host.is5250(); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
251 enableAsyncFeatures = host.isAsync(); |
| 0 | 252 connection = new ServiceConnection() { |
| 253 public void onServiceConnected(ComponentName className, IBinder service) { | |
| 254 TerminalManager bound = ((TerminalManager.TerminalBinder) service).getService(); | |
| 255 hostBridge = bound.getConnectedBridge(host); | |
| 256 } | |
| 257 public void onServiceDisconnected(ComponentName name) { | |
| 258 hostBridge = null; | |
| 259 } | |
| 260 }; | |
| 261 this.pref = new CursorPreferenceHack(HostDatabase.TABLE_HOSTS, hostId); | |
| 262 this.pref.registerOnSharedPreferenceChangeListener(this); | |
| 263 this.addPreferencesFromResource(R.xml.host_prefs); | |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
264 |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
265 // disable all preferences that are not applicable to this host |
|
88
1c22e6a7efff
convert ctrl keys to virtual keys; use proper android home directory
Carl Byington <carl@five-ten-sg.com>
parents:
83
diff
changeset
|
266 findPreference(HostDatabase.FIELD_HOST_PUBKEYID).setEnabled(enableSSHFeatures); |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
267 findPreference(HostDatabase.FIELD_HOST_USEAUTHAGENT).setEnabled(enableSSHFeatures); |
|
89
bb27518ac2e9
convert ctrl keys to virtual keys; use proper android home directory
Carl Byington <carl@five-ten-sg.com>
parents:
88
diff
changeset
|
268 findPreference(HostDatabase.FIELD_HOST_POSTLOGIN).setEnabled(!enable5250Features); |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
269 findPreference(HostDatabase.FIELD_HOST_COMPRESSION).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
270 findPreference(HostDatabase.FIELD_HOST_HTTPPROXY).setEnabled(enableAsyncFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
271 findPreference(HostDatabase.FIELD_HOST_WANTSESSION).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
272 findPreference(HostDatabase.FIELD_HOST_USERNAME).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
273 findPreference(HostDatabase.FIELD_HOST_EMULATION).setEnabled(!enable5250Features); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
274 findPreference(HostDatabase.FIELD_HOST_ENCRYPTION5250).setEnabled(enable5250Features); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
275 findPreference(HostDatabase.FIELD_HOST_WANTX11FORWARD).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
276 findPreference(HostDatabase.FIELD_HOST_X11HOST).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
277 findPreference(HostDatabase.FIELD_HOST_X11PORT).setEnabled(enableSSHFeatures); |
|
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
278 |
| 0 | 279 // add all existing pubkeys to our listpreference for user to choose from |
| 280 // TODO: may be an issue here when this activity is recycled after adding a new pubkey | |
| 281 // TODO: should consider moving into onStart, but we dont have a good way of resetting the listpref after filling once | |
|
88
1c22e6a7efff
convert ctrl keys to virtual keys; use proper android home directory
Carl Byington <carl@five-ten-sg.com>
parents:
83
diff
changeset
|
282 ListPreference pubkeyPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_PUBKEYID); |
| 0 | 283 List<CharSequence> pubkeyNicks = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntries())); |
| 284 pubkeyNicks.addAll(pubkeydb.allValues(PubkeyDatabase.FIELD_PUBKEY_NICKNAME)); | |
| 285 pubkeyPref.setEntries(pubkeyNicks.toArray(new CharSequence[pubkeyNicks.size()])); | |
| 286 List<CharSequence> pubkeyIds = new LinkedList<CharSequence> (Arrays.asList(pubkeyPref.getEntryValues())); | |
| 287 pubkeyIds.addAll(pubkeydb.allValues("_id")); | |
| 288 pubkeyPref.setEntryValues(pubkeyIds.toArray(new CharSequence[pubkeyIds.size()])); | |
| 289 // Populate the character set encoding list with all available | |
|
88
1c22e6a7efff
convert ctrl keys to virtual keys; use proper android home directory
Carl Byington <carl@five-ten-sg.com>
parents:
83
diff
changeset
|
290 final ListPreference charsetPref = (ListPreference)findPreference(HostDatabase.FIELD_HOST_ENCODING); |
| 0 | 291 |
| 292 if (CharsetHolder.isInitialized()) { | |
| 293 initCharsetPref(charsetPref); | |
| 294 } | |
| 295 else { | |
| 296 String[] currentCharsetPref = new String[1]; | |
| 297 currentCharsetPref[0] = charsetPref.getValue(); | |
| 298 charsetPref.setEntryValues(currentCharsetPref); | |
| 299 charsetPref.setEntries(currentCharsetPref); | |
| 300 new Thread(new Runnable() { | |
| 301 public void run() { | |
| 302 initCharsetPref(charsetPref); | |
| 303 } | |
| 304 }).start(); | |
| 305 } | |
| 306 | |
| 307 this.updateSummaries(); | |
| 308 } | |
| 309 | |
| 310 @Override | |
| 311 public void onStart() { | |
| 312 super.onStart(); | |
| 313 bindService(new Intent(this, TerminalManager.class), connection, Context.BIND_AUTO_CREATE); | |
| 314 | |
| 315 if (this.hostdb == null) | |
| 316 this.hostdb = new HostDatabase(this); | |
| 317 | |
| 318 if (this.pubkeydb == null) | |
| 319 this.pubkeydb = new PubkeyDatabase(this); | |
| 320 } | |
| 321 | |
| 322 @Override | |
| 323 public void onStop() { | |
| 324 super.onStop(); | |
| 325 unbindService(connection); | |
| 326 | |
| 327 if (this.hostdb != null) { | |
| 328 this.hostdb.close(); | |
| 329 this.hostdb = null; | |
| 330 } | |
| 331 | |
| 332 if (this.pubkeydb != null) { | |
| 333 this.pubkeydb.close(); | |
| 334 this.pubkeydb = null; | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 private void updateSummaries() { | |
| 339 // for all text preferences, set hint as current database value | |
| 340 for (String key : this.pref.values.keySet()) { | |
| 341 if (key.equals(HostDatabase.FIELD_HOST_POSTLOGIN)) continue; | |
|
83
4ccfde0bc506
disable host config items that are not applicable to the host protocol
Carl Byington <carl@five-ten-sg.com>
parents:
0
diff
changeset
|
342 if (key.equals(HostDatabase.FIELD_HOST_EMULATION)) continue; |
|
89
bb27518ac2e9
convert ctrl keys to virtual keys; use proper android home directory
Carl Byington <carl@five-ten-sg.com>
parents:
88
diff
changeset
|
343 if (key.equals(HostDatabase.FIELD_HOST_MONITOR)) continue; |
| 0 | 344 |
| 345 Preference pref = this.findPreference(key); | |
| 346 | |
| 347 if (pref == null) continue; | |
| 348 | |
| 349 if (pref instanceof CheckBoxPreference) continue; | |
| 350 | |
| 351 CharSequence value = this.pref.getString(key, ""); | |
| 352 | |
| 353 if (key.equals(HostDatabase.FIELD_HOST_PUBKEYID)) { | |
| 354 try { | |
| 355 int pubkeyId = Integer.parseInt((String) value); | |
| 356 | |
| 357 if (pubkeyId >= 0) | |
| 358 pref.setSummary(pubkeydb.getNickname(pubkeyId)); | |
| 359 else if (pubkeyId == HostDatabase.PUBKEYID_ANY) | |
| 360 pref.setSummary(R.string.list_pubkeyids_any); | |
| 361 else if (pubkeyId == HostDatabase.PUBKEYID_NEVER) | |
| 362 pref.setSummary(R.string.list_pubkeyids_none); | |
| 363 | |
| 364 continue; | |
| 365 } | |
| 366 catch (NumberFormatException nfe) { | |
| 367 // Fall through. | |
| 368 } | |
| 369 } | |
| 370 else if (pref instanceof ListPreference) { | |
| 371 ListPreference listPref = (ListPreference) pref; | |
| 372 int entryIndex = listPref.findIndexOfValue((String) value); | |
| 373 | |
| 374 if (entryIndex >= 0) | |
| 375 value = listPref.getEntries()[entryIndex]; | |
| 376 } | |
| 377 | |
| 378 pref.setSummary(value); | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 private void initCharsetPref(final ListPreference charsetPref) { | |
| 383 charsetPref.setEntryValues(CharsetHolder.getCharsetIds()); | |
| 384 charsetPref.setEntries(CharsetHolder.getCharsetNames()); | |
| 385 } | |
| 386 | |
| 387 public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { | |
| 388 // update values on changed preference | |
| 389 this.updateSummaries(); | |
| 390 | |
| 391 // Our CursorPreferenceHack always send null keys, so try to set charset anyway | |
| 392 if (hostBridge != null) | |
| 393 hostBridge.setCharset(sharedPreferences | |
| 394 .getString(HostDatabase.FIELD_HOST_ENCODING, HostDatabase.ENCODING_DEFAULT)); | |
| 395 } | |
| 396 | |
| 397 public static class CharsetHolder { | |
| 398 private static boolean initialized = false; | |
| 399 | |
| 400 private static CharSequence[] charsetIds; | |
| 401 private static CharSequence[] charsetNames; | |
| 402 | |
| 403 public static CharSequence[] getCharsetNames() { | |
| 404 if (charsetNames == null) | |
| 405 initialize(); | |
| 406 | |
| 407 return charsetNames; | |
| 408 } | |
| 409 | |
| 410 public static CharSequence[] getCharsetIds() { | |
| 411 if (charsetIds == null) | |
| 412 initialize(); | |
| 413 | |
| 414 return charsetIds; | |
| 415 } | |
| 416 | |
| 417 private synchronized static void initialize() { | |
| 418 if (initialized) | |
| 419 return; | |
| 420 | |
| 421 List<CharSequence> charsetIdsList = new LinkedList<CharSequence>(); | |
| 422 List<CharSequence> charsetNamesList = new LinkedList<CharSequence>(); | |
| 423 | |
| 424 for (Entry<String, Charset> entry : Charset.availableCharsets().entrySet()) { | |
| 425 Charset c = entry.getValue(); | |
| 426 | |
| 427 if (c.canEncode() && c.isRegistered()) { | |
| 428 String key = entry.getKey(); | |
| 429 | |
| 430 if (key.startsWith("cp")) { | |
| 431 // Custom CP437 charset changes | |
| 432 charsetIdsList.add("CP437"); | |
| 433 charsetNamesList.add("CP437"); | |
| 434 } | |
| 435 | |
| 436 charsetIdsList.add(entry.getKey()); | |
| 437 charsetNamesList.add(c.displayName()); | |
| 438 } | |
| 439 } | |
| 440 | |
| 441 charsetIds = charsetIdsList.toArray(new CharSequence[charsetIdsList.size()]); | |
| 442 charsetNames = charsetNamesList.toArray(new CharSequence[charsetNamesList.size()]); | |
| 443 initialized = true; | |
| 444 } | |
| 445 | |
| 446 public static boolean isInitialized() { | |
| 447 return initialized; | |
| 448 } | |
| 449 } | |
| 450 } |