| 1 | /* |
| 2 | * jDTAUS Banking RI DTAUS |
| 3 | * Copyright (C) 2005 Christian Schulte |
| 4 | * <cs@schulte.it> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | package org.jdtaus.banking.dtaus.ri.zka; |
| 22 | |
| 23 | import java.io.IOException; |
| 24 | import java.text.ParseException; |
| 25 | import java.util.Arrays; |
| 26 | import java.util.Calendar; |
| 27 | import java.util.Date; |
| 28 | import java.util.EventListener; |
| 29 | import java.util.Locale; |
| 30 | import javax.swing.event.EventListenerList; |
| 31 | import org.jdtaus.banking.AlphaNumericText27; |
| 32 | import org.jdtaus.banking.TextschluesselVerzeichnis; |
| 33 | import org.jdtaus.banking.dtaus.Checksum; |
| 34 | import org.jdtaus.banking.dtaus.CorruptedException; |
| 35 | import org.jdtaus.banking.dtaus.Header; |
| 36 | import org.jdtaus.banking.dtaus.LogicalFile; |
| 37 | import org.jdtaus.banking.dtaus.Transaction; |
| 38 | import org.jdtaus.banking.dtaus.spi.CurrencyCounter; |
| 39 | import org.jdtaus.banking.dtaus.spi.Fields; |
| 40 | import org.jdtaus.banking.dtaus.spi.HeaderValidator; |
| 41 | import org.jdtaus.banking.dtaus.spi.IllegalHeaderException; |
| 42 | import org.jdtaus.banking.dtaus.spi.IllegalTransactionException; |
| 43 | import org.jdtaus.banking.dtaus.spi.TransactionValidator; |
| 44 | import org.jdtaus.banking.messages.ChecksumErrorMessage; |
| 45 | import org.jdtaus.banking.messages.ChecksumsFileMessage; |
| 46 | import org.jdtaus.banking.messages.IllegalDataMessage; |
| 47 | import org.jdtaus.banking.spi.CurrencyMapper; |
| 48 | import org.jdtaus.core.container.ContainerFactory; |
| 49 | import org.jdtaus.core.container.Implementation; |
| 50 | import org.jdtaus.core.io.FileOperations; |
| 51 | import org.jdtaus.core.io.util.FlushableFileOperations; |
| 52 | import org.jdtaus.core.lang.spi.MemoryManager; |
| 53 | import org.jdtaus.core.logging.spi.Logger; |
| 54 | import org.jdtaus.core.messages.DeletesBlocksMessage; |
| 55 | import org.jdtaus.core.messages.InsertsBlocksMessage; |
| 56 | import org.jdtaus.core.monitor.spi.Task; |
| 57 | import org.jdtaus.core.monitor.spi.TaskMonitor; |
| 58 | import org.jdtaus.core.nio.util.Charsets; |
| 59 | import org.jdtaus.core.text.Message; |
| 60 | import org.jdtaus.core.text.spi.ApplicationLogger; |
| 61 | |
| 62 | /** |
| 63 | * Abstrakte Klasse für {@code LogicalFile}-Implementierungen. |
| 64 | * <p>Stellt diverse Hilfs-Methoden sowie die Überprüfung von Vor- und Nachbedingungen zur Verfügung.</p> |
| 65 | * <p><b>Hinweis:</b><br/> |
| 66 | * Implementierung ist nicht vor gleichzeitigen Zugriffen unterschiedlicher Threads geschützt.</p> |
| 67 | * |
| 68 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 69 | * @version $JDTAUS: AbstractLogicalFile.java 8810 2012-12-04 00:45:37Z schulte $ |
| 70 | */ |
| 71 | public abstract class AbstractLogicalFile implements LogicalFile |
| 72 | { |
| 73 | |
| 74 | public interface Listener extends EventListener |
| 75 | { |
| 76 | |
| 77 | /** |
| 78 | * Gets called whenever bytes were inserted into an instance the listener is registered with. The byte |
| 79 | * previously at {@code position} will have moved to {@code position + insertedBytes}. |
| 80 | * |
| 81 | * @param position The position of the first inserted byte. |
| 82 | * @param bytes The number of bytes which were inserted at {@code position}. |
| 83 | * |
| 84 | * @throws IOException if reading or writing fails. |
| 85 | */ |
| 86 | void bytesInserted( long position, long bytes ) throws IOException; |
| 87 | |
| 88 | /** |
| 89 | * Gets called whenever bytes were deleted an instance the listener is registered with. The byte previously at |
| 90 | * {@code position + bytes} will have moved to {@code position}. |
| 91 | * |
| 92 | * @param position The position of the first deleted byte. |
| 93 | * @param bytes The number of bytes which were deleted starting at {@code position} inclusive. |
| 94 | * |
| 95 | * @throws IOException if reading or writing fails. |
| 96 | */ |
| 97 | void bytesDeleted( long position, long bytes ) throws IOException; |
| 98 | |
| 99 | } |
| 100 | |
| 101 | /** Konstante für ASCII-Zeichensatz. */ |
| 102 | protected static final int ENCODING_ASCII = 1; |
| 103 | |
| 104 | /** Konstante für EBCDI-Zeichensatz. */ |
| 105 | protected static final int ENCODING_EBCDI = 2; |
| 106 | |
| 107 | /** Return-Code. */ |
| 108 | protected static final long NO_NUMBER = Long.MIN_VALUE; |
| 109 | |
| 110 | /** Maximum allowed days between create and execution date. */ |
| 111 | protected static final int MAX_SCHEDULEDAYS = 15; |
| 112 | |
| 113 | /** Maximale Anzahl unterstützter Transaktionen pro logischer Datei. */ |
| 114 | private static final int MAX_TRANSACTIONS = 9999999; |
| 115 | |
| 116 | /** 01/01/1980 00:00:00 CET. */ |
| 117 | private static final long VALID_DATES_START_MILLIS = 315529200000L; |
| 118 | |
| 119 | /** 12/31/2079 23:59:59 CET. */ |
| 120 | private static final long VALID_DATES_END_MILLIS = 3471289199999L; |
| 121 | |
| 122 | /** Anzahl Ziffern der größten, abbildbaren Zahl des Formats. */ |
| 123 | private static final int FORMAT_MAX_DIGITS = 17; |
| 124 | |
| 125 | /** Anzahl Zeichen der größten, abbildbaren Zeichenkette des Formats. */ |
| 126 | private static final int FORMAT_MAX_CHARS = 105; |
| 127 | |
| 128 | /** |
| 129 | * Index = Exponent, |
| 130 | * Wert = 10er Potenz. |
| 131 | */ |
| 132 | protected static final long[] EXP10 = new long[ FORMAT_MAX_DIGITS + 1 ]; |
| 133 | |
| 134 | /** |
| 135 | * Index = Ziffer, |
| 136 | * Wert = ASCII-Zeichen. |
| 137 | */ |
| 138 | private static final byte[] DIGITS_TO_ASCII = |
| 139 | { |
| 140 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57 |
| 141 | }; |
| 142 | |
| 143 | /** |
| 144 | * Index = ASCII-Code einer Ziffer, |
| 145 | * Wert = Ziffer. |
| 146 | */ |
| 147 | private static final byte[] ASCII_TO_DIGITS = new byte[ 60 ]; |
| 148 | |
| 149 | /** |
| 150 | * Index = Ziffer, |
| 151 | * Wert = EBCDI-Zeichen. |
| 152 | */ |
| 153 | private static final byte[] DIGITS_TO_EBCDI = |
| 154 | { |
| 155 | (byte) 0xF0, (byte) 0xF1, (byte) 0xF2, (byte) 0xF3, (byte) 0xF4, (byte) 0xF5, (byte) 0xF6, (byte) 0xF7, |
| 156 | (byte) 0xF8, (byte) 0xF9 |
| 157 | }; |
| 158 | |
| 159 | /** |
| 160 | * Index = EBCDI-Code einer Ziffer, |
| 161 | * Wert = Ziffer. |
| 162 | */ |
| 163 | private static final byte[] EBCDI_TO_DIGITS = new byte[ 0xFA ]; |
| 164 | |
| 165 | /** Charset name for the disk format. */ |
| 166 | private static final String DIN66003 = "ISO646-DE"; |
| 167 | |
| 168 | /** Charset name for the tape format. */ |
| 169 | private static final String IBM273 = "IBM273"; |
| 170 | |
| 171 | /** ASCII space character. */ |
| 172 | private static final byte ASCII_SPACE = (byte) 32; |
| 173 | |
| 174 | /** EBCDI space character. */ |
| 175 | private static final byte EBCDI_SPACE = (byte) 0x40; |
| 176 | |
| 177 | /** Verwendete {@code FileOperations} Implementierung. */ |
| 178 | private FileOperations fileOperations; |
| 179 | |
| 180 | /** Position des A-Datensatzes. */ |
| 181 | private long headerPosition; |
| 182 | |
| 183 | /** Position des E-Datensatzes. */ |
| 184 | private long checksumPosition; |
| 185 | |
| 186 | /** |
| 187 | * Index = laufende Transaktionsnummer, |
| 188 | * Wert = Position an der die Transaktion beginnt relativ zur Position des A-Datensatzes. |
| 189 | */ |
| 190 | private long[] index; |
| 191 | |
| 192 | /** Zwischengespeicherter A Datensatz. */ |
| 193 | private Header cachedHeader = null; |
| 194 | |
| 195 | /** Zwischengespeicherter E Datensatz. */ |
| 196 | private Checksum cachedChecksum = null; |
| 197 | |
| 198 | /** Calendar der Instanz. */ |
| 199 | private final Calendar calendar = Calendar.getInstance( Locale.GERMANY ); |
| 200 | |
| 201 | /** Puffer zum Lesen und Schreiben von Daten. */ |
| 202 | private final byte[] buffer = new byte[ FORMAT_MAX_CHARS + 1 ]; |
| 203 | |
| 204 | /** Hilfs-Puffer. */ |
| 205 | private final StringBuffer shortDateBuffer = new StringBuffer( 6 ); |
| 206 | |
| 207 | /** Hilfs-Puffer. */ |
| 208 | private final StringBuffer longDateBuffer = new StringBuffer( 8 ); |
| 209 | |
| 210 | /** Abbildung von ISO Währungs-Codes zur Anzahl der vorhandenen Zahlungen mit der entsprechenden Währung. */ |
| 211 | private CurrencyCounter counter; |
| 212 | |
| 213 | /** Implementation configuration. */ |
| 214 | private Configuration configuration; |
| 215 | |
| 216 | /** Mininum number of bytes to copy to start any task monitoring. */ |
| 217 | private Integer monitoringThreshold; |
| 218 | |
| 219 | /** {@code Listener}s of the instance. */ |
| 220 | private final EventListenerList listeners = new EventListenerList(); |
| 221 | |
| 222 | /** Pre-allocated temporary buffer. */ |
| 223 | private byte[] defaultBuffer; |
| 224 | |
| 225 | /** |
| 226 | * Maximal erlaubte Anzahl Erweiterungsteile in einem C-Datensatz. |
| 227 | * @since 1.12 |
| 228 | */ |
| 229 | private Long maximumExtensionCount; |
| 230 | |
| 231 | /** Statische Initialisierung der konstanten Felder. */ |
| 232 | static |
| 233 | { |
| 234 | for ( int i = 0; i <= FORMAT_MAX_DIGITS; i++ ) |
| 235 | { |
| 236 | EXP10[i] = (long) Math.floor( Math.pow( 10.00D, i ) ); |
| 237 | } |
| 238 | |
| 239 | Arrays.fill( ASCII_TO_DIGITS, (byte) -1 ); |
| 240 | Arrays.fill( EBCDI_TO_DIGITS, (byte) -1 ); |
| 241 | ASCII_TO_DIGITS[48] = 0; |
| 242 | ASCII_TO_DIGITS[49] = 1; |
| 243 | ASCII_TO_DIGITS[50] = 2; |
| 244 | ASCII_TO_DIGITS[51] = 3; |
| 245 | ASCII_TO_DIGITS[52] = 4; |
| 246 | ASCII_TO_DIGITS[53] = 5; |
| 247 | ASCII_TO_DIGITS[54] = 6; |
| 248 | ASCII_TO_DIGITS[55] = 7; |
| 249 | ASCII_TO_DIGITS[56] = 8; |
| 250 | ASCII_TO_DIGITS[57] = 9; |
| 251 | EBCDI_TO_DIGITS[0xF0] = 0; |
| 252 | EBCDI_TO_DIGITS[0xF1] = 1; |
| 253 | EBCDI_TO_DIGITS[0xF2] = 2; |
| 254 | EBCDI_TO_DIGITS[0xF3] = 3; |
| 255 | EBCDI_TO_DIGITS[0xF4] = 4; |
| 256 | EBCDI_TO_DIGITS[0xF5] = 5; |
| 257 | EBCDI_TO_DIGITS[0xF6] = 6; |
| 258 | EBCDI_TO_DIGITS[0xF7] = 7; |
| 259 | EBCDI_TO_DIGITS[0xF8] = 8; |
| 260 | EBCDI_TO_DIGITS[0xF9] = 9; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Erzeugt eine neue {@code AbstractLogicalFile} Instanz. |
| 265 | * |
| 266 | * @see #setHeaderPosition(long) |
| 267 | * @see #setChecksumPosition(long) |
| 268 | * @see #setFileOperations(org.jdtaus.core.io.FileOperations) |
| 269 | * @see #checksum() |
| 270 | */ |
| 271 | protected AbstractLogicalFile() |
| 272 | { |
| 273 | this.calendar.setLenient( false ); |
| 274 | Arrays.fill( this.buffer, (byte) -1 ); |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Gets the value of property {@code configuration}. |
| 279 | * |
| 280 | * @return Implementation configuration. |
| 281 | */ |
| 282 | protected Configuration getConfiguration() |
| 283 | { |
| 284 | if ( this.configuration == null ) |
| 285 | { |
| 286 | this.configuration = new Configuration(); |
| 287 | } |
| 288 | |
| 289 | return this.configuration; |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Sets the value of property {@code configuration}. |
| 294 | * |
| 295 | * @param configuration Implementation configuration. |
| 296 | */ |
| 297 | protected void setConfiguration( final Configuration configuration ) |
| 298 | { |
| 299 | this.configuration = configuration; |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * Liest den Wert der Property {@code headerPosition}. |
| 304 | * |
| 305 | * @return Position des A Datensatzes. |
| 306 | */ |
| 307 | protected long getHeaderPosition() |
| 308 | { |
| 309 | return this.headerPosition; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Schreibt den Wert der Property {@code headerPosition}. |
| 314 | * |
| 315 | * @param headerPosition Position des A Datensatzes. |
| 316 | * |
| 317 | * @throws IllegalArgumentException wenn {@code headerPosition} negativ ist. |
| 318 | * @throws IOException wenn die aktuelle Anzahl Bytes nicht ermittelt werden kann. |
| 319 | */ |
| 320 | protected void setHeaderPosition( final long headerPosition ) throws IOException |
| 321 | { |
| 322 | if ( headerPosition < 0L ) |
| 323 | { |
| 324 | throw new IllegalArgumentException( Long.toString( headerPosition ) ); |
| 325 | } |
| 326 | |
| 327 | this.headerPosition = headerPosition; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * Liest den Wert der Property {@code checksumPosition}. |
| 332 | * |
| 333 | * @return Position des E-Datensatzes. |
| 334 | */ |
| 335 | protected long getChecksumPosition() |
| 336 | { |
| 337 | return this.checksumPosition; |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Schreibt den Wert der Property {@code checksumPosition}. |
| 342 | * |
| 343 | * @param checksumPosition Position des E-Datensatzes. |
| 344 | * |
| 345 | * @throws IllegalArgumentException wenn {@code checksumPosition} negativ ist. |
| 346 | * @throws IOException wenn die aktuelle Anzahl Byte nicht ermittelt werden kann. |
| 347 | */ |
| 348 | protected void setChecksumPosition( final long checksumPosition ) throws IOException |
| 349 | { |
| 350 | if ( checksumPosition <= this.getHeaderPosition() ) |
| 351 | { |
| 352 | throw new IllegalArgumentException( Long.toString( checksumPosition ) ); |
| 353 | } |
| 354 | |
| 355 | this.checksumPosition = checksumPosition; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * Ermittelt die zugrunde liegende {@code FileOperations} Implementierung. |
| 360 | * |
| 361 | * @return zugrunde liegende {@code FileOperations} Implementierung. |
| 362 | */ |
| 363 | protected FileOperations getFileOperations() |
| 364 | { |
| 365 | return this.fileOperations; |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * Ändert die zu Grunde liegende {@code FileOperations} Implementierung. |
| 370 | * |
| 371 | * @param fileOperations neue {@code FileOperations} Implementierung. |
| 372 | * |
| 373 | * @throws NullPointerException wenn {@code fileOperations} {@code null} ist. |
| 374 | * @throws IOException wenn zwischengespeicherte Änderungen der vorherigen Instanz nicht geschrieben werden können. |
| 375 | */ |
| 376 | protected void setFileOperations( final FileOperations fileOperations ) throws IOException |
| 377 | { |
| 378 | if ( fileOperations == null ) |
| 379 | { |
| 380 | throw new NullPointerException( "fileOperations" ); |
| 381 | } |
| 382 | |
| 383 | if ( this.fileOperations != null && this.fileOperations instanceof FlushableFileOperations ) |
| 384 | { |
| 385 | ( (FlushableFileOperations) this.fileOperations ).flush(); |
| 386 | } |
| 387 | |
| 388 | this.fileOperations = fileOperations; |
| 389 | this.cachedHeader = null; |
| 390 | this.cachedChecksum = null; |
| 391 | this.index = null; |
| 392 | Arrays.fill( this.buffer, (byte) -1 ); |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Gets the value of property {@code monitoringThreshold}. |
| 397 | * |
| 398 | * @return The mininum number of bytes to copy to start any task monitoring. |
| 399 | */ |
| 400 | public int getMonitoringThreshold() |
| 401 | { |
| 402 | if ( this.monitoringThreshold == null ) |
| 403 | { |
| 404 | this.monitoringThreshold = this.getDefaultMonitoringThreshold(); |
| 405 | } |
| 406 | |
| 407 | return this.monitoringThreshold.intValue(); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Sets the value of property {@code monitoringThreshold}. |
| 412 | * |
| 413 | * @param value The mininum number of bytes to copy to start any task monitoring. |
| 414 | */ |
| 415 | public void setMonitoringThreshold( final int value ) |
| 416 | { |
| 417 | this.monitoringThreshold = new Integer( value ); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Gets the maximum allowed number of extensions. |
| 422 | * |
| 423 | * @return The maximum allowed number of extensions. |
| 424 | * |
| 425 | * @since 1.12 |
| 426 | */ |
| 427 | public long getMaximumExtensionCount() |
| 428 | { |
| 429 | if ( this.maximumExtensionCount == null ) |
| 430 | { |
| 431 | this.maximumExtensionCount = this.getDefaultMaximumExtensionCount(); |
| 432 | } |
| 433 | |
| 434 | return this.maximumExtensionCount.longValue(); |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Sets the maximum allowed number of extensions. |
| 439 | * |
| 440 | * @param value The new maximum allowed number of extensions or {@code null}. |
| 441 | * |
| 442 | * @since 1.12 |
| 443 | */ |
| 444 | public void setMaximumExtensionCount( final Long value ) |
| 445 | { |
| 446 | this.maximumExtensionCount = value; |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Adds a {@code Listener} to the listener list. |
| 451 | * |
| 452 | * @param listener The listener to be added to the listener list. |
| 453 | * |
| 454 | * @throws NullPointerException if {@code listener} is {@code null}. |
| 455 | */ |
| 456 | public void addListener( final Listener listener ) |
| 457 | { |
| 458 | this.listeners.add( Listener.class, listener ); |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Removes a {@code Listener} from the listener list. |
| 463 | * |
| 464 | * @param listener The listener to be removed from the listener list. |
| 465 | * |
| 466 | * @throws NullPointerException if {@code listener} is {@code null}. |
| 467 | */ |
| 468 | public void removeFileOperationsListener( final Listener listener ) |
| 469 | { |
| 470 | this.listeners.remove( Listener.class, listener ); |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Gets all currently registered {@code Listener}s. |
| 475 | * |
| 476 | * @return all currently registered {@code Listener}s. |
| 477 | */ |
| 478 | public Listener[] getListeners() |
| 479 | { |
| 480 | return (Listener[]) this.listeners.getListeners( Listener.class ); |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Notifies all registered listeners about inserted bytes. |
| 485 | * |
| 486 | * @param position The position of the first inserted byte. |
| 487 | * @param bytes The number of bytes which were inserted at {@code position}. |
| 488 | * |
| 489 | * @throws IOException if reading or writing fails. |
| 490 | */ |
| 491 | protected void fireBytesInserted( final long position, final long bytes ) throws IOException |
| 492 | { |
| 493 | final Object[] list = this.listeners.getListenerList(); |
| 494 | for ( int i = list.length - 2; i >= 0; i -= 2 ) |
| 495 | { |
| 496 | if ( list[i] == Listener.class ) |
| 497 | { |
| 498 | ( (Listener) list[i + 1] ).bytesInserted( position, bytes ); |
| 499 | } |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * Notifies all registered listeners about deleted bytes. |
| 505 | * |
| 506 | * @param position The position of the first deleted byte. |
| 507 | * @param bytes The number of bytes which were deleted starting at {@code position} inclusive. |
| 508 | * |
| 509 | * @throws IOException if reading or writing fails. |
| 510 | */ |
| 511 | protected void fireBytesDeleted( final long position, final long bytes ) throws IOException |
| 512 | { |
| 513 | final Object[] list = this.listeners.getListenerList(); |
| 514 | for ( int i = list.length - 2; i >= 0; i -= 2 ) |
| 515 | { |
| 516 | if ( list[i] == Listener.class ) |
| 517 | { |
| 518 | ( (Listener) list[i + 1] ).bytesDeleted( position, bytes ); |
| 519 | } |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | /** |
| 524 | * Hilfs-Methode zum Lesen von Zahlen. |
| 525 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code NO_NUMBER} zurückgeliefert und eine entsprechende |
| 526 | * {@code IllegalDataMessage} erzeugt.</p> |
| 527 | * |
| 528 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 529 | * @param position Position ab der Ziffern gelesen werden sollen. |
| 530 | * @param len Anzahl von Ziffern, die gelesen werden sollen. |
| 531 | * @param encoding zu verwendende Kodierung. |
| 532 | * |
| 533 | * @return gelesene Zahl oder {@code NO_NUMBER} wenn gelesene Daten nicht als Zahl interpretiert werden konnten. |
| 534 | * |
| 535 | * @throws CorruptedException wenn die Datei Fehler enthält und {@link ThreadLocalMessages#isErrorsEnabled()} gleich |
| 536 | * {@code true} ist. |
| 537 | * @throws IOException wenn nicht gelesen werden kann. |
| 538 | * |
| 539 | * @see #ENCODING_ASCII |
| 540 | * @see #ENCODING_EBCDI |
| 541 | * @see #NO_NUMBER |
| 542 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 543 | * @see ThreadLocalMessages#isErrorsEnabled() |
| 544 | */ |
| 545 | protected Long readNumber( final int field, final long position, final int len, final int encoding ) |
| 546 | throws IOException |
| 547 | { |
| 548 | return this.readNumber( |
| 549 | field, position, len, encoding, this.getConfiguration().isSpaceCharacterAllowed( field ) ); |
| 550 | |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Hilfs-Methode zum Lesen von Zahlen mit gegebenenfalls Konvertierung von Leerzeichen zu Nullen. |
| 555 | * <p>Die Verwendung dieser Methode mit {@code allowSpaces == true} entspricht einem Verstoß gegen die |
| 556 | * Spezifikation. Diese Methode existiert ausschließlich um ungültige Dateien lesen zu können und sollte nur in |
| 557 | * diesen Fällen verwendet werden.</p> |
| 558 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code NO_NUMBER} zurückgeliefert und eine entsprechende |
| 559 | * {@code IllegalDataMessage} erzeugt.</p> |
| 560 | * |
| 561 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 562 | * @param position Position aber der die Ziffern gelesen werden sollen. |
| 563 | * @param len Anzahl von Ziffern, die gelesen werden sollen. |
| 564 | * @param encoding Zu verwendende Kodierung. |
| 565 | * @param allowSpaces {@code true} wenn vorhandene Leerzeichen durch Nullen ersetzt werden sollen; {@code false} |
| 566 | * für eine strikte Einhaltung der Spezifikation. |
| 567 | * |
| 568 | * @return gelesene Zahl oder {@code NO_NUMBER} wenn gelesene Daten nicht als Zahl interpretiert werden konnten. |
| 569 | * |
| 570 | * @throws CorruptedException wenn die Datei Fehler enthält und {@link ThreadLocalMessages#isErrorsEnabled()} gleich |
| 571 | * {@code true} ist. |
| 572 | * @throws IOException wenn nicht gelesen werden kann. |
| 573 | * |
| 574 | * @see #ENCODING_ASCII |
| 575 | * @see #ENCODING_EBCDI |
| 576 | * @see #NO_NUMBER |
| 577 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 578 | * @see org.jdtaus.banking.dtaus.ri.zka.ThreadLocalMessages |
| 579 | */ |
| 580 | protected Long readNumber( final int field, final long position, final int len, final int encoding, |
| 581 | final boolean allowSpaces ) throws IOException |
| 582 | { |
| 583 | long ret = 0L; |
| 584 | final byte space; |
| 585 | final byte[] table; |
| 586 | final byte[] revTable; |
| 587 | final String cset; |
| 588 | String logViolation = null; // Wenn != null wird der Verstoß geloggt. |
| 589 | |
| 590 | if ( encoding == ENCODING_ASCII ) |
| 591 | { |
| 592 | table = DIGITS_TO_ASCII; |
| 593 | revTable = ASCII_TO_DIGITS; |
| 594 | space = ASCII_SPACE; |
| 595 | cset = DIN66003; |
| 596 | } |
| 597 | else if ( encoding == ENCODING_EBCDI ) |
| 598 | { |
| 599 | table = DIGITS_TO_EBCDI; |
| 600 | revTable = EBCDI_TO_DIGITS; |
| 601 | space = EBCDI_SPACE; |
| 602 | cset = IBM273; |
| 603 | } |
| 604 | else |
| 605 | { |
| 606 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 607 | } |
| 608 | |
| 609 | this.fileOperations.setFilePointer( position ); |
| 610 | this.fileOperations.read( this.buffer, 0, len ); |
| 611 | |
| 612 | for ( int read = 0; read < len; read++ ) |
| 613 | { |
| 614 | if ( allowSpaces && this.buffer[read] == space ) |
| 615 | { |
| 616 | if ( logViolation == null ) |
| 617 | { |
| 618 | logViolation = Charsets.decode( this.buffer, 0, len, cset ); |
| 619 | } |
| 620 | |
| 621 | this.buffer[read] = table[0]; |
| 622 | } |
| 623 | |
| 624 | if ( !( this.buffer[read] >= table[0] && this.buffer[read] <= table[9] ) ) |
| 625 | { |
| 626 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 627 | { |
| 628 | throw new CorruptedException( this.getImplementation(), position ); |
| 629 | } |
| 630 | else |
| 631 | { |
| 632 | final Message msg = new IllegalDataMessage( |
| 633 | field, IllegalDataMessage.TYPE_NUMERIC, position, |
| 634 | Charsets.decode( this.buffer, 0, len, cset ) ); |
| 635 | |
| 636 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 637 | } |
| 638 | |
| 639 | ret = NO_NUMBER; |
| 640 | logViolation = null; |
| 641 | break; |
| 642 | } |
| 643 | else |
| 644 | { |
| 645 | ret += revTable[this.buffer[read] & 0xFF] * EXP10[len - read - 1]; |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | if ( logViolation != null ) |
| 650 | { |
| 651 | if ( this.getLogger().isInfoEnabled() ) |
| 652 | { |
| 653 | this.getLogger().info( this.getReadNumberIllegalFileInfoMessage( |
| 654 | this.getLocale(), logViolation, new Long( ret ) ) ); |
| 655 | |
| 656 | } |
| 657 | } |
| 658 | |
| 659 | return new Long( ret ); |
| 660 | } |
| 661 | |
| 662 | /** |
| 663 | * Hilfs-Methode zum Schreiben von Zahlen. |
| 664 | * |
| 665 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 666 | * @param position Position ab der die Daten geschrieben werden sollen. |
| 667 | * @param len Anzahl an Ziffern die geschrieben werden sollen. Hierbei wird linksseitig mit Nullen aufgefüllt, so |
| 668 | * dass exakt {@code len} Ziffern geschrieben werden. |
| 669 | * @param number Die zu schreibende Zahl. |
| 670 | * @param encoding Zu verwendende Kodierung. |
| 671 | * |
| 672 | * @throws IllegalArgumentException wenn {@code number} nicht mit {@code len} Ziffern darstellbar ist. |
| 673 | * @throws IOException wenn nicht geschrieben werden kann. |
| 674 | * |
| 675 | * @see #ENCODING_ASCII |
| 676 | * @see #ENCODING_EBCDI |
| 677 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 678 | */ |
| 679 | protected void writeNumber( final int field, final long position, final int len, long number, final int encoding ) |
| 680 | throws IOException |
| 681 | { |
| 682 | int i; |
| 683 | int pos; |
| 684 | final long maxValue = EXP10[len] - 1L; |
| 685 | int digit; |
| 686 | final byte[] table; |
| 687 | |
| 688 | if ( number < 0L || number > maxValue ) |
| 689 | { |
| 690 | throw new IllegalArgumentException( Long.toString( number ) ); |
| 691 | } |
| 692 | |
| 693 | if ( encoding == ENCODING_ASCII ) |
| 694 | { |
| 695 | table = DIGITS_TO_ASCII; |
| 696 | } |
| 697 | else if ( encoding == ENCODING_EBCDI ) |
| 698 | { |
| 699 | table = DIGITS_TO_EBCDI; |
| 700 | } |
| 701 | else |
| 702 | { |
| 703 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 704 | } |
| 705 | |
| 706 | for ( i = len - 1, pos = 0; i >= 0; i--, pos++ ) |
| 707 | { |
| 708 | digit = (int) Math.floor( number / EXP10[i] ); |
| 709 | number -= ( digit * EXP10[i] ); |
| 710 | this.buffer[pos] = table[digit]; |
| 711 | } |
| 712 | |
| 713 | this.fileOperations.setFilePointer( position ); |
| 714 | this.fileOperations.write( this.buffer, 0, len ); |
| 715 | } |
| 716 | |
| 717 | /** |
| 718 | * Hilds-Methode zum Lesen einer alpha-numerischen Zeichenkette. |
| 719 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code null} zurückgeliefert und eine entsprechende |
| 720 | * {@code IllegalDataMessage} erzeugt.</p> |
| 721 | * |
| 722 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 723 | * @param position Position ab der die Zeichen gelesen werden sollen. |
| 724 | * @param len Anzahl von Zeichen, die gelesen werden sollen. |
| 725 | * @param encoding Zu verwendende Kodierung. |
| 726 | * |
| 727 | * @return gelesene Zeichenkette oder {@code null} wenn ungültige Zeichen gelesen werden. |
| 728 | * |
| 729 | * @throws CorruptedException wenn die Datei Fehler enthält und {@link ThreadLocalMessages#isErrorsEnabled()} gleich |
| 730 | * {@code true} ist. |
| 731 | * @throws IOException wenn nicht gelesen werden kann. |
| 732 | * |
| 733 | * @see #ENCODING_ASCII |
| 734 | * @see #ENCODING_EBCDI |
| 735 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 736 | * @see org.jdtaus.banking.dtaus.ri.zka.ThreadLocalMessages |
| 737 | */ |
| 738 | protected AlphaNumericText27 readAlphaNumeric( final int field, final long position, final int len, |
| 739 | final int encoding ) throws IOException |
| 740 | { |
| 741 | final String cset; |
| 742 | final String str; |
| 743 | AlphaNumericText27 txt = null; |
| 744 | |
| 745 | if ( encoding == ENCODING_ASCII ) |
| 746 | { |
| 747 | cset = DIN66003; |
| 748 | } |
| 749 | else if ( encoding == ENCODING_EBCDI ) |
| 750 | { |
| 751 | cset = IBM273; |
| 752 | } |
| 753 | else |
| 754 | { |
| 755 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 756 | } |
| 757 | |
| 758 | this.fileOperations.setFilePointer( position ); |
| 759 | this.fileOperations.read( this.buffer, 0, len ); |
| 760 | str = Charsets.decode( this.buffer, 0, len, cset ); |
| 761 | |
| 762 | try |
| 763 | { |
| 764 | txt = AlphaNumericText27.parse( str ); |
| 765 | } |
| 766 | catch ( ParseException e ) |
| 767 | { |
| 768 | if ( this.getLogger().isDebugEnabled() ) |
| 769 | { |
| 770 | this.getLogger().debug( e.toString() ); |
| 771 | } |
| 772 | |
| 773 | txt = null; |
| 774 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 775 | { |
| 776 | throw new CorruptedException( this.getImplementation(), position ); |
| 777 | } |
| 778 | else |
| 779 | { |
| 780 | final Message msg = |
| 781 | new IllegalDataMessage( field, IllegalDataMessage.TYPE_ALPHA_NUMERIC, position, str ); |
| 782 | |
| 783 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | return txt; |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * Hilfs-Methode zum Schreiben einer Zeichenkette. |
| 792 | * |
| 793 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 794 | * @param position Position ab der die Zeichen geschrieben werden sollen. |
| 795 | * @param len Anzahl von Zeichen die maximal geschrieben werden sollen. Sollte {@code str} kürzer als {@code len} |
| 796 | * sein, wird linksseitig mit Leerzeichen aufgefüllt. |
| 797 | * @param str Die zu schreibende Zeichenkette. |
| 798 | * @param encoding Zu verwendende Kodierung. |
| 799 | * |
| 800 | * @throws NullPointerException wenn {@code str null} ist. |
| 801 | * @throws IllegalArgumentException wenn {@code str} länger als {@code len} Zeichen lang ist oder ungültige Zeichen |
| 802 | * enthält. |
| 803 | * @throws IOException wenn nicht geschrieben werden kann. |
| 804 | * |
| 805 | * @see #ENCODING_ASCII |
| 806 | * @see #ENCODING_EBCDI |
| 807 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 808 | */ |
| 809 | protected void writeAlphaNumeric( final int field, final long position, final int len, final String str, |
| 810 | final int encoding ) throws IOException |
| 811 | { |
| 812 | final int length; |
| 813 | final int delta; |
| 814 | final char[] c; |
| 815 | final byte[] buf; |
| 816 | final byte space; |
| 817 | final String cset; |
| 818 | |
| 819 | if ( str == null ) |
| 820 | { |
| 821 | throw new NullPointerException( "str" ); |
| 822 | } |
| 823 | if ( ( length = str.length() ) > len ) |
| 824 | { |
| 825 | throw new IllegalArgumentException( str ); |
| 826 | } |
| 827 | |
| 828 | if ( encoding == ENCODING_ASCII ) |
| 829 | { |
| 830 | space = ASCII_SPACE; |
| 831 | cset = DIN66003; |
| 832 | } |
| 833 | else if ( encoding == ENCODING_EBCDI ) |
| 834 | { |
| 835 | space = EBCDI_SPACE; |
| 836 | cset = IBM273; |
| 837 | } |
| 838 | else |
| 839 | { |
| 840 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 841 | } |
| 842 | |
| 843 | c = str.toCharArray(); |
| 844 | for ( int i = c.length - 1; i >= 0; i-- ) |
| 845 | { |
| 846 | if ( !AlphaNumericText27.checkAlphaNumeric( c[i] ) ) |
| 847 | { |
| 848 | throw new IllegalArgumentException( Character.toString( c[i] ) ); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | buf = Charsets.encode( str, cset ); |
| 853 | if ( length < len ) |
| 854 | { |
| 855 | delta = len - length; |
| 856 | System.arraycopy( buf, 0, this.buffer, 0, buf.length ); |
| 857 | Arrays.fill( this.buffer, buf.length, buf.length + delta, space ); |
| 858 | } |
| 859 | else |
| 860 | { |
| 861 | System.arraycopy( buf, 0, this.buffer, 0, buf.length ); |
| 862 | } |
| 863 | |
| 864 | this.fileOperations.setFilePointer( position ); |
| 865 | this.fileOperations.write( this.buffer, 0, len ); |
| 866 | } |
| 867 | |
| 868 | /** |
| 869 | * Hilfs-Methode zum Lesen einer Datums-Angabe mit zweistelliger Jahres-Zahl. |
| 870 | * <p>Zweistellige Jahres-Angaben kleiner oder gleich 79 werden als {@code 2000 + zweistelliges Jahr} interpretiert. |
| 871 | * Zweistellige Jahres-Angaben größer oder gleich 80 werden als {@code 1900 + zweistelliges Jahr} interpretiert.</p> |
| 872 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code null} zurückgeliefert und eine entsprechende |
| 873 | * {@code IllegalDataMessage} erzeugt.</p> |
| 874 | * |
| 875 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 876 | * @param position Position ab der die Zeichen gelesen werden sollen. |
| 877 | * @param encoding Zu verwendende Kodierung. |
| 878 | * |
| 879 | * @return das gelesene Datum oder {@code null} wenn kein Datum gelesen werden kann. |
| 880 | * |
| 881 | * @throws CorruptedException wenn die Datei Fehler enthält und {@link ThreadLocalMessages#isErrorsEnabled()} gleich |
| 882 | * {@code true} ist. |
| 883 | * @throws IOException wenn nicht gelesen werden kann. |
| 884 | * |
| 885 | * @see #ENCODING_ASCII |
| 886 | * @see #ENCODING_EBCDI |
| 887 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 888 | * @see org.jdtaus.banking.dtaus.ri.zka.ThreadLocalMessages |
| 889 | */ |
| 890 | protected Date readShortDate( final int field, final long position, final int encoding ) throws IOException |
| 891 | { |
| 892 | final int len; |
| 893 | final String cset; |
| 894 | |
| 895 | Date ret = null; |
| 896 | String str = null; |
| 897 | boolean legal = false; |
| 898 | Message msg; |
| 899 | |
| 900 | if ( encoding == ENCODING_ASCII ) |
| 901 | { |
| 902 | cset = DIN66003; |
| 903 | } |
| 904 | else if ( encoding == ENCODING_EBCDI ) |
| 905 | { |
| 906 | cset = IBM273; |
| 907 | } |
| 908 | else |
| 909 | { |
| 910 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 911 | } |
| 912 | |
| 913 | try |
| 914 | { |
| 915 | this.fileOperations.setFilePointer( position ); |
| 916 | this.fileOperations.read( this.buffer, 0, 6 ); |
| 917 | str = Charsets.decode( this.buffer, 0, 6, cset ); |
| 918 | len = str.trim().length(); |
| 919 | |
| 920 | if ( len == 6 ) |
| 921 | { |
| 922 | this.calendar.clear(); |
| 923 | // Tag |
| 924 | this.calendar.set( Calendar.DAY_OF_MONTH, Integer.valueOf( str.substring( 0, 2 ) ).intValue() ); |
| 925 | |
| 926 | // Monat |
| 927 | this.calendar.set( Calendar.MONTH, Integer.valueOf( str.substring( 2, 4 ) ).intValue() - 1 ); |
| 928 | |
| 929 | // Jahr |
| 930 | int year = Integer.valueOf( str.substring( 4, 6 ) ).intValue(); |
| 931 | year = year <= 79 ? 2000 + year : 1900 + year; |
| 932 | |
| 933 | this.calendar.set( Calendar.YEAR, year ); |
| 934 | ret = this.calendar.getTime(); |
| 935 | |
| 936 | if ( !this.checkDate( ret ) ) |
| 937 | { |
| 938 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 939 | { |
| 940 | throw new CorruptedException( this.getImplementation(), position ); |
| 941 | } |
| 942 | else |
| 943 | { |
| 944 | msg = new IllegalDataMessage( field, IllegalDataMessage.TYPE_SHORTDATE, position, str ); |
| 945 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 946 | } |
| 947 | |
| 948 | ret = null; |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | if ( len == 0 || len == 6 ) |
| 953 | { |
| 954 | legal = true; |
| 955 | } |
| 956 | |
| 957 | } |
| 958 | catch ( NumberFormatException e ) |
| 959 | { |
| 960 | if ( this.getLogger().isDebugEnabled() ) |
| 961 | { |
| 962 | this.getLogger().debug( e.toString() ); |
| 963 | } |
| 964 | |
| 965 | ret = null; |
| 966 | legal = false; |
| 967 | } |
| 968 | |
| 969 | if ( !legal ) |
| 970 | { |
| 971 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 972 | { |
| 973 | throw new CorruptedException( this.getImplementation(), position ); |
| 974 | } |
| 975 | else |
| 976 | { |
| 977 | msg = new IllegalDataMessage( field, IllegalDataMessage.TYPE_SHORTDATE, position, str ); |
| 978 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 979 | } |
| 980 | } |
| 981 | |
| 982 | return ret; |
| 983 | } |
| 984 | |
| 985 | /** |
| 986 | * Hilfs-Methode zum Schreiben einer Datums-Angabe mit zweistelliger Jahres-Zahl. |
| 987 | * <p>Es werden nur Daten mit Jahren größer oder gleich 1980 und kleiner oder gleich 2079 akzeptiert.</p> |
| 988 | * |
| 989 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 990 | * @param position Position ab der die Zeichen geschrieben werden sollen. |
| 991 | * @param date Die zu schreibende Datums-Angabe oder {@code null} um eine optionale Datums-Angabe zu entfernen. |
| 992 | * @param encoding Zu verwendende Kodierung. |
| 993 | * |
| 994 | * @throws IllegalArgumentException wenn das Jahr von {@code date} nicht größer oder gleich 1980 und kleiner oder |
| 995 | * gleich 2079 ist. |
| 996 | * @throws IOException wenn nicht geschrieben werden kann. |
| 997 | * |
| 998 | * @see #ENCODING_ASCII |
| 999 | * @see #ENCODING_EBCDI |
| 1000 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1001 | */ |
| 1002 | protected void writeShortDate( final int field, final long position, final Date date, final int encoding ) |
| 1003 | throws IOException |
| 1004 | { |
| 1005 | int i; |
| 1006 | final byte[] buf; |
| 1007 | final String cset; |
| 1008 | |
| 1009 | if ( encoding == ENCODING_ASCII ) |
| 1010 | { |
| 1011 | cset = DIN66003; |
| 1012 | } |
| 1013 | else if ( encoding == ENCODING_EBCDI ) |
| 1014 | { |
| 1015 | cset = IBM273; |
| 1016 | } |
| 1017 | else |
| 1018 | { |
| 1019 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 1020 | } |
| 1021 | |
| 1022 | if ( date != null ) |
| 1023 | { |
| 1024 | if ( !this.checkDate( date ) ) |
| 1025 | { |
| 1026 | throw new IllegalArgumentException( date.toString() ); |
| 1027 | } |
| 1028 | |
| 1029 | this.shortDateBuffer.setLength( 0 ); |
| 1030 | this.calendar.clear(); |
| 1031 | this.calendar.setTime( date ); |
| 1032 | // Tag |
| 1033 | i = this.calendar.get( Calendar.DAY_OF_MONTH ); |
| 1034 | if ( i < 10 ) |
| 1035 | { |
| 1036 | this.shortDateBuffer.append( '0' ); |
| 1037 | } |
| 1038 | this.shortDateBuffer.append( i ); |
| 1039 | // Monat |
| 1040 | i = this.calendar.get( Calendar.MONTH ) + 1; |
| 1041 | if ( i < 10 ) |
| 1042 | { |
| 1043 | this.shortDateBuffer.append( '0' ); |
| 1044 | } |
| 1045 | this.shortDateBuffer.append( i ); |
| 1046 | // Jahr |
| 1047 | i = this.calendar.get( Calendar.YEAR ); |
| 1048 | this.shortDateBuffer.append( i >= 2000 && i <= 2009 ? "0" : "" ); |
| 1049 | this.shortDateBuffer.append( i >= 1980 && i < 2000 ? i - 1900 : i - 2000 ); |
| 1050 | |
| 1051 | buf = Charsets.encode( this.shortDateBuffer.toString(), cset ); |
| 1052 | } |
| 1053 | else |
| 1054 | { |
| 1055 | buf = Charsets.encode( " ", cset ); |
| 1056 | } |
| 1057 | |
| 1058 | this.fileOperations.setFilePointer( position ); |
| 1059 | this.fileOperations.write( buf, 0, 6 ); |
| 1060 | } |
| 1061 | |
| 1062 | /** |
| 1063 | * Hilfs-Methode zum Lesen einer Datums-Angabe mit vierstelliger Jahres-Zahl. |
| 1064 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code null} zurückgeliefert und eine entsprechende |
| 1065 | * {@code IllegalDataMessage} erzeugt.</p> |
| 1066 | * |
| 1067 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 1068 | * @param position Position ab der die Zeichen gelesen werden sollen. |
| 1069 | * @param encoding Zu verwendende Kodierung. |
| 1070 | * |
| 1071 | * @return gelesenes Datum oder {@code null} wenn nicht gelesen werden kann. |
| 1072 | * |
| 1073 | * @throws IOException wenn nicht gelesen werden kann. |
| 1074 | * |
| 1075 | * @see #ENCODING_ASCII |
| 1076 | * @see #ENCODING_EBCDI |
| 1077 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1078 | * @see org.jdtaus.banking.dtaus.ri.zka.ThreadLocalMessages |
| 1079 | */ |
| 1080 | protected Date readLongDate( final int field, final long position, final int encoding ) throws IOException |
| 1081 | { |
| 1082 | final int len; |
| 1083 | final String cset; |
| 1084 | |
| 1085 | boolean legal = false; |
| 1086 | Date ret = null; |
| 1087 | String str = null; |
| 1088 | Message msg; |
| 1089 | |
| 1090 | if ( encoding == ENCODING_ASCII ) |
| 1091 | { |
| 1092 | cset = DIN66003; |
| 1093 | } |
| 1094 | else if ( encoding == ENCODING_EBCDI ) |
| 1095 | { |
| 1096 | cset = IBM273; |
| 1097 | } |
| 1098 | else |
| 1099 | { |
| 1100 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 1101 | } |
| 1102 | |
| 1103 | try |
| 1104 | { |
| 1105 | this.fileOperations.setFilePointer( position ); |
| 1106 | this.fileOperations.read( this.buffer, 0, 8 ); |
| 1107 | str = Charsets.decode( this.buffer, 0, 8, cset ); |
| 1108 | len = str.trim().length(); |
| 1109 | if ( len == 8 ) |
| 1110 | { |
| 1111 | this.calendar.clear(); |
| 1112 | // Tag |
| 1113 | this.calendar.set( Calendar.DAY_OF_MONTH, Integer.valueOf( str.substring( 0, 2 ) ).intValue() ); |
| 1114 | |
| 1115 | // Monat |
| 1116 | this.calendar.set( Calendar.MONTH, Integer.valueOf( str.substring( 2, 4 ) ).intValue() - 1 ); |
| 1117 | |
| 1118 | // Jahr |
| 1119 | this.calendar.set( Calendar.YEAR, Integer.valueOf( str.substring( 4, 8 ) ).intValue() ); |
| 1120 | |
| 1121 | ret = this.calendar.getTime(); |
| 1122 | if ( !this.checkDate( ret ) ) |
| 1123 | { |
| 1124 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1125 | { |
| 1126 | throw new CorruptedException( this.getImplementation(), position ); |
| 1127 | } |
| 1128 | else |
| 1129 | { |
| 1130 | msg = new IllegalDataMessage( field, IllegalDataMessage.TYPE_LONGDATE, position, str ); |
| 1131 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1132 | } |
| 1133 | |
| 1134 | ret = null; |
| 1135 | } |
| 1136 | |
| 1137 | } |
| 1138 | |
| 1139 | if ( len == 0 || len == 8 ) |
| 1140 | { |
| 1141 | legal = true; |
| 1142 | } |
| 1143 | |
| 1144 | } |
| 1145 | catch ( NumberFormatException e ) |
| 1146 | { |
| 1147 | if ( this.getLogger().isDebugEnabled() ) |
| 1148 | { |
| 1149 | this.getLogger().debug( e.toString() ); |
| 1150 | } |
| 1151 | |
| 1152 | legal = false; |
| 1153 | ret = null; |
| 1154 | } |
| 1155 | |
| 1156 | if ( !legal ) |
| 1157 | { |
| 1158 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1159 | { |
| 1160 | throw new CorruptedException( this.getImplementation(), position ); |
| 1161 | } |
| 1162 | else |
| 1163 | { |
| 1164 | msg = new IllegalDataMessage( field, IllegalDataMessage.TYPE_LONGDATE, position, str ); |
| 1165 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1166 | } |
| 1167 | } |
| 1168 | |
| 1169 | return ret; |
| 1170 | } |
| 1171 | |
| 1172 | /** |
| 1173 | * Hilfs-Methode zum Schreiben einer Datums-Angabe mit vierstelliger Jahres-Zahl. |
| 1174 | * |
| 1175 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 1176 | * @param position Position ab der die Zeichen geschrieben werden sollen. |
| 1177 | * @param date Die zu schreibende Datums-Angabe oder {@code null} um eine optionale Datums-Angabe zu entfernen. |
| 1178 | * @param encoding Zu verwendende Kodierung. |
| 1179 | * |
| 1180 | * @throws IllegalArgumentException wenn das Jahr von {@code date} nicht größer oder gleich 1980 und kleiner oder |
| 1181 | * gleich 2079 ist. |
| 1182 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1183 | * |
| 1184 | * @see #ENCODING_ASCII |
| 1185 | * @see #ENCODING_EBCDI |
| 1186 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1187 | * @see org.jdtaus.banking.dtaus.ri.zka.ThreadLocalMessages |
| 1188 | */ |
| 1189 | protected void writeLongDate( final int field, final long position, final Date date, final int encoding ) |
| 1190 | throws IOException |
| 1191 | { |
| 1192 | int i; |
| 1193 | final byte[] buf; |
| 1194 | final String cset; |
| 1195 | |
| 1196 | if ( encoding == ENCODING_ASCII ) |
| 1197 | { |
| 1198 | cset = DIN66003; |
| 1199 | } |
| 1200 | else if ( encoding == ENCODING_EBCDI ) |
| 1201 | { |
| 1202 | cset = IBM273; |
| 1203 | } |
| 1204 | else |
| 1205 | { |
| 1206 | throw new IllegalArgumentException( Integer.toString( encoding ) ); |
| 1207 | } |
| 1208 | |
| 1209 | if ( date != null ) |
| 1210 | { |
| 1211 | if ( !this.checkDate( date ) ) |
| 1212 | { |
| 1213 | throw new IllegalArgumentException( date.toString() ); |
| 1214 | } |
| 1215 | |
| 1216 | this.longDateBuffer.setLength( 0 ); |
| 1217 | this.calendar.clear(); |
| 1218 | this.calendar.setTime( date ); |
| 1219 | // Tag |
| 1220 | i = this.calendar.get( Calendar.DAY_OF_MONTH ); |
| 1221 | if ( i < 10 ) |
| 1222 | { |
| 1223 | this.longDateBuffer.append( '0' ); |
| 1224 | } |
| 1225 | this.longDateBuffer.append( i ); |
| 1226 | // Monat |
| 1227 | i = this.calendar.get( Calendar.MONTH ) + 1; |
| 1228 | if ( i < 10 ) |
| 1229 | { |
| 1230 | this.longDateBuffer.append( '0' ); |
| 1231 | } |
| 1232 | this.longDateBuffer.append( i ); |
| 1233 | // Jahr |
| 1234 | i = this.calendar.get( Calendar.YEAR ); |
| 1235 | this.longDateBuffer.append( i ); |
| 1236 | buf = Charsets.encode( this.longDateBuffer.toString(), cset ); |
| 1237 | } |
| 1238 | else |
| 1239 | { |
| 1240 | buf = Charsets.encode( " ", cset ); |
| 1241 | } |
| 1242 | |
| 1243 | this.fileOperations.setFilePointer( position ); |
| 1244 | this.fileOperations.write( buf, 0, 8 ); |
| 1245 | } |
| 1246 | |
| 1247 | /** |
| 1248 | * Hilfs-Methode zum Lesen von gepackten EBCDI Zahlen. |
| 1249 | * <p>Sollten ungültige Daten gelesen werden, so wird {@code NO_NUMBER} zurückgeliefert und eine entsprechende |
| 1250 | * {@code IllegalDataMessage} erzeugt.</p> |
| 1251 | * |
| 1252 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 1253 | * @param position Position ab der die Daten gelesen werden sollen. |
| 1254 | * @param len Anzahl von Byte, die gelesen werden sollen. |
| 1255 | * @param sign {@code true} wenn ein Vorzeichen erwartet wird; {@code false} wenn kein Vorzeichen erwartet wird. |
| 1256 | * |
| 1257 | * @return gelesene Zahl oder {@code NO_NUMBER} wenn gelesene Daten nicht als Zahl interpretiert werden konnten. |
| 1258 | * |
| 1259 | * @throws CorruptedException wenn die Datei Fehler enthält und {@link ThreadLocalMessages#isErrorsEnabled()} gleich |
| 1260 | * {@code true} ist. |
| 1261 | * @throws IOException wenn nicht gelesen werden kann. |
| 1262 | * |
| 1263 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1264 | * @see ThreadLocalMessages#isErrorsEnabled() |
| 1265 | * @see #NO_NUMBER |
| 1266 | */ |
| 1267 | protected long readNumberPackedPositive( final int field, final long position, final int len, final boolean sign ) |
| 1268 | throws IOException |
| 1269 | { |
| 1270 | long ret = 0L; |
| 1271 | final int nibbles = 2 * len; |
| 1272 | int exp = nibbles - ( sign ? 2 : 1 ); |
| 1273 | boolean highNibble = true; |
| 1274 | int read = 0; |
| 1275 | Message msg; |
| 1276 | |
| 1277 | this.fileOperations.setFilePointer( position ); |
| 1278 | this.fileOperations.read( this.buffer, 0, len ); |
| 1279 | |
| 1280 | for ( int nibble = 0; nibble < nibbles; nibble++, exp-- ) |
| 1281 | { |
| 1282 | final int digit = highNibble ? ( ( this.buffer[read] & 0xF0 ) >> 4 ) : ( this.buffer[read++] & 0xF ); |
| 1283 | |
| 1284 | highNibble = !highNibble; |
| 1285 | |
| 1286 | // Vorzeichen des letzten Nibbles. |
| 1287 | if ( sign && exp < 0 ) |
| 1288 | { |
| 1289 | if ( digit != 0xC ) |
| 1290 | { |
| 1291 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1292 | { |
| 1293 | throw new CorruptedException( this.getImplementation(), position ); |
| 1294 | } |
| 1295 | else |
| 1296 | { |
| 1297 | msg = new IllegalDataMessage( |
| 1298 | field, IllegalDataMessage.TYPE_PACKET_POSITIVE, position, Integer.toString( digit ) ); |
| 1299 | |
| 1300 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1301 | } |
| 1302 | |
| 1303 | ret = NO_NUMBER; |
| 1304 | break; |
| 1305 | } |
| 1306 | } |
| 1307 | else |
| 1308 | { |
| 1309 | if ( digit < 0 || digit > 9 ) |
| 1310 | { |
| 1311 | if ( !ThreadLocalMessages.isErrorsEnabled() ) |
| 1312 | { |
| 1313 | throw new CorruptedException( this.getImplementation(), position ); |
| 1314 | } |
| 1315 | else |
| 1316 | { |
| 1317 | msg = new IllegalDataMessage( |
| 1318 | field, IllegalDataMessage.TYPE_PACKET_POSITIVE, position, Integer.toString( digit ) ); |
| 1319 | |
| 1320 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1321 | } |
| 1322 | |
| 1323 | ret = NO_NUMBER; |
| 1324 | break; |
| 1325 | } |
| 1326 | |
| 1327 | ret += ( digit * EXP10[exp] ); |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | return ret; |
| 1332 | } |
| 1333 | |
| 1334 | /** |
| 1335 | * Hilfs-Methode zum Schreiben von gepackten EBCDI-Zahlen. |
| 1336 | * |
| 1337 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 1338 | * @param position Position ab der die Daten geschrieben werden sollen. |
| 1339 | * @param len Anzahl an Byte die geschrieben werden sollen. Hierbei wird linksseitig mit Nullen aufgefüllt, so dass |
| 1340 | * exakt {@code len} Ziffern geschrieben werden. |
| 1341 | * @param number Die zu schreibende Zahl. |
| 1342 | * @param sign {@code true} wenn ein Vorzeichen geschrieben werden soll; {@code false} wenn kein Vorzeichen |
| 1343 | * geschrieben werden soll. |
| 1344 | * |
| 1345 | * @throws IllegalArgumentException wenn {@code number} nicht mit {@code len} Byte darstellbar ist. |
| 1346 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1347 | * |
| 1348 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1349 | */ |
| 1350 | protected void writeNumberPackedPositive( final int field, final long position, final int len, long number, |
| 1351 | final boolean sign ) throws IOException |
| 1352 | { |
| 1353 | int i; |
| 1354 | int pos = 0; |
| 1355 | final int nibbles = len * 2; |
| 1356 | final int digits = nibbles - ( sign ? 1 : 0 ); |
| 1357 | int exp = digits - 1; |
| 1358 | final long maxValue = EXP10[digits] - 1L; |
| 1359 | byte b = 0; |
| 1360 | boolean highNibble = true; |
| 1361 | |
| 1362 | if ( number < 0L || number > maxValue ) |
| 1363 | { |
| 1364 | throw new IllegalArgumentException( Long.toString( number ) ); |
| 1365 | } |
| 1366 | |
| 1367 | for ( i = 0; i < nibbles; i++, exp-- ) |
| 1368 | { |
| 1369 | final int digit; |
| 1370 | |
| 1371 | if ( sign && exp < 0 ) |
| 1372 | { |
| 1373 | digit = 0xC; |
| 1374 | } |
| 1375 | else |
| 1376 | { |
| 1377 | digit = (int) Math.floor( number / EXP10[exp] ); |
| 1378 | number -= ( digit * EXP10[exp] ); |
| 1379 | } |
| 1380 | if ( highNibble ) |
| 1381 | { |
| 1382 | b = (byte) ( ( digit << 4 ) & 0xF0 ); |
| 1383 | } |
| 1384 | else |
| 1385 | { |
| 1386 | this.buffer[pos++] = (byte) ( b | digit ); |
| 1387 | } |
| 1388 | |
| 1389 | highNibble = !highNibble; |
| 1390 | } |
| 1391 | |
| 1392 | this.fileOperations.setFilePointer( position ); |
| 1393 | this.fileOperations.write( this.buffer, 0, len ); |
| 1394 | } |
| 1395 | |
| 1396 | /** |
| 1397 | * Hilfs-Methode zum Lesen von binär gespeicherten Zahlen. |
| 1398 | * |
| 1399 | * @param field Feld-Konstante des zu lesenden Feldes. |
| 1400 | * @param position Position ab der die Daten gelesen werden sollen. |
| 1401 | * @param len Anzahl von Byte, die gelesen werden sollen. |
| 1402 | * |
| 1403 | * @return gelesene Zahl. |
| 1404 | * |
| 1405 | * @throws IllegalArgumentException wenn {@code len} negativ, {@code 0} oder größer als {@code 8} ist. |
| 1406 | * @throws IOException wenn nicht gelesen werden kann. |
| 1407 | * |
| 1408 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1409 | */ |
| 1410 | protected long readNumberBinary( final int field, final long position, final int len ) throws IOException |
| 1411 | { |
| 1412 | if ( len <= 0 || len > 8 ) |
| 1413 | { |
| 1414 | throw new IllegalArgumentException( Integer.toString( len ) ); |
| 1415 | } |
| 1416 | |
| 1417 | long ret = 0L; |
| 1418 | int shift = ( len - 1 ) * 8; |
| 1419 | |
| 1420 | this.fileOperations.setFilePointer( position ); |
| 1421 | this.fileOperations.read( this.buffer, 0, len ); |
| 1422 | |
| 1423 | for ( int i = 0; i < len; i++, shift -= 8 ) |
| 1424 | { |
| 1425 | ret |= ( ( this.buffer[i] & 0xFF ) << shift ); |
| 1426 | } |
| 1427 | |
| 1428 | return ret; |
| 1429 | } |
| 1430 | |
| 1431 | /** |
| 1432 | * Hilfs-Methode zum Schreiben von binär gespeicherten Zahlen. |
| 1433 | * |
| 1434 | * @param field Feld-Konstante des zu beschreibenden Feldes. |
| 1435 | * @param position Position ab der die Daten geschrieben werden sollen. |
| 1436 | * @param len Anzahl an Byte die geschrieben werden sollen. |
| 1437 | * @param number Die zu schreibende Zahl. |
| 1438 | * |
| 1439 | * @throws IllegalArgumentException wenn {@code len} negativ, {@code 0} oder größer als {@code 8} ist. |
| 1440 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1441 | * |
| 1442 | * @see org.jdtaus.banking.dtaus.spi.Fields |
| 1443 | */ |
| 1444 | protected void writeNumberBinary( final int field, final long position, final int len, final long number ) |
| 1445 | throws IOException |
| 1446 | { |
| 1447 | if ( len <= 0 || len > 8 ) |
| 1448 | { |
| 1449 | throw new IllegalArgumentException( Integer.toString( len ) ); |
| 1450 | } |
| 1451 | |
| 1452 | int shift = ( len - 1 ) * 8; |
| 1453 | int i; |
| 1454 | |
| 1455 | for ( i = 0; i < len; i++, shift -= 8 ) |
| 1456 | { |
| 1457 | this.buffer[i] = (byte) ( ( number >> shift ) & 0xFFL ); |
| 1458 | } |
| 1459 | |
| 1460 | this.fileOperations.setFilePointer( position ); |
| 1461 | this.fileOperations.write( this.buffer, 0, len ); |
| 1462 | } |
| 1463 | |
| 1464 | /** |
| 1465 | * Prüfung einer laufenden Transaktionsnummer. |
| 1466 | * |
| 1467 | * @param id zu prüfende Transaktionsnummer. |
| 1468 | * @param checksum aktuelle Prüfsumme. |
| 1469 | * |
| 1470 | * @throws NullPointerException {@code if(checksum == null)} |
| 1471 | */ |
| 1472 | protected boolean checkTransactionId( final int id, final Checksum checksum ) |
| 1473 | { |
| 1474 | if ( checksum == null ) |
| 1475 | { |
| 1476 | throw new NullPointerException( "checksum" ); |
| 1477 | } |
| 1478 | |
| 1479 | final int count = checksum.getTransactionCount(); |
| 1480 | return count > 0 && id >= 0 && id < count; |
| 1481 | } |
| 1482 | |
| 1483 | /** |
| 1484 | * Prüfung einer Menge von Transaktionen. |
| 1485 | * |
| 1486 | * @param transactionCount zu prüfende Menge Transaktionen. |
| 1487 | */ |
| 1488 | protected boolean checkTransactionCount( final int transactionCount ) |
| 1489 | { |
| 1490 | return transactionCount >= 0 && transactionCount <= MAX_TRANSACTIONS; |
| 1491 | } |
| 1492 | |
| 1493 | /** |
| 1494 | * Prüfung eines Datums. |
| 1495 | * |
| 1496 | * @param date zu prüfendes Datum. |
| 1497 | * |
| 1498 | * @return {@code true} wenn {@code date} im gültigen Bereich liegt; {@code false} wenn nicht, |
| 1499 | */ |
| 1500 | protected boolean checkDate( final Date date ) |
| 1501 | { |
| 1502 | boolean valid = false; |
| 1503 | |
| 1504 | if ( date != null ) |
| 1505 | { |
| 1506 | final long millis = date.getTime(); |
| 1507 | valid = millis >= VALID_DATES_START_MILLIS && millis <= VALID_DATES_END_MILLIS; |
| 1508 | } |
| 1509 | |
| 1510 | return valid; |
| 1511 | } |
| 1512 | |
| 1513 | /** |
| 1514 | * Hilfsmethode zum dynamischen Vergrössern des Index. |
| 1515 | * |
| 1516 | * @param index laufende Transaktionsnummer, für die der Index angepasst werden soll. |
| 1517 | * @param checksum aktuelle Prüfsumme zur Initialisierung des Index. |
| 1518 | */ |
| 1519 | protected void resizeIndex( final int index, final Checksum checksum ) |
| 1520 | { |
| 1521 | if ( this.index == null ) |
| 1522 | { |
| 1523 | this.index = this.getMemoryManager().allocateLongs( checksum.getTransactionCount() + 1 ); |
| 1524 | Arrays.fill( this.index, -1L ); |
| 1525 | } |
| 1526 | |
| 1527 | while ( this.index.length < index + 1 ) |
| 1528 | { |
| 1529 | int newLength = this.index.length * 2; |
| 1530 | if ( newLength <= index ) |
| 1531 | { |
| 1532 | newLength = index + 1; |
| 1533 | } |
| 1534 | else if ( newLength > MAX_TRANSACTIONS ) |
| 1535 | { |
| 1536 | newLength = MAX_TRANSACTIONS; |
| 1537 | } |
| 1538 | |
| 1539 | final long[] newIndex = this.getMemoryManager().allocateLongs( newLength ); |
| 1540 | System.arraycopy( this.index, 0, newIndex, 0, this.index.length ); |
| 1541 | Arrays.fill( newIndex, this.index.length, newIndex.length, -1L ); |
| 1542 | this.index = newIndex; |
| 1543 | } |
| 1544 | } |
| 1545 | |
| 1546 | /** |
| 1547 | * Inserts a given number of bytes at a given position. |
| 1548 | * |
| 1549 | * @param position The position to insert bytes at. |
| 1550 | * @param bytes The number of bytes to insert. |
| 1551 | * |
| 1552 | * @throws IOException if inserting bytes fails. |
| 1553 | */ |
| 1554 | protected void insertBytes( final long position, final long bytes ) throws IOException |
| 1555 | { |
| 1556 | final Task task = new Task(); |
| 1557 | long toMoveByte = this.getFileOperations().getLength() - position; |
| 1558 | long progress = 0L; |
| 1559 | long progressDivisor = 1L; |
| 1560 | long maxProgress = toMoveByte; |
| 1561 | |
| 1562 | if ( toMoveByte <= 0L ) |
| 1563 | { |
| 1564 | this.getFileOperations().setLength( this.getFileOperations().getLength() + bytes ); |
| 1565 | this.fireBytesInserted( position, bytes ); |
| 1566 | return; |
| 1567 | } |
| 1568 | |
| 1569 | final byte[] buf = this.getBuffer( toMoveByte > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) toMoveByte ); |
| 1570 | while ( maxProgress > Integer.MAX_VALUE ) |
| 1571 | { |
| 1572 | maxProgress /= 2L; |
| 1573 | progressDivisor *= 2L; |
| 1574 | } |
| 1575 | |
| 1576 | task.setIndeterminate( false ); |
| 1577 | task.setCancelable( false ); |
| 1578 | task.setMinimum( 0 ); |
| 1579 | task.setMaximum( (int) maxProgress ); |
| 1580 | task.setProgress( (int) progress ); |
| 1581 | task.setDescription( new InsertsBlocksMessage() ); |
| 1582 | |
| 1583 | final boolean monitoring = toMoveByte > this.getMonitoringThreshold(); |
| 1584 | if ( monitoring ) |
| 1585 | { |
| 1586 | this.getTaskMonitor().monitor( task ); |
| 1587 | } |
| 1588 | |
| 1589 | try |
| 1590 | { |
| 1591 | long readPos = this.getFileOperations().getLength(); |
| 1592 | while ( toMoveByte > 0L ) |
| 1593 | { |
| 1594 | final int moveLen = buf.length >= toMoveByte ? (int) toMoveByte : buf.length; |
| 1595 | readPos -= moveLen; |
| 1596 | final long writePos = readPos + bytes; |
| 1597 | |
| 1598 | this.getFileOperations().setFilePointer( readPos ); |
| 1599 | int read = 0; |
| 1600 | int total = 0; |
| 1601 | |
| 1602 | do |
| 1603 | { |
| 1604 | read = this.getFileOperations().read( buf, total, moveLen - total ); |
| 1605 | assert read != FileOperations.EOF : "Unexpected end of file."; |
| 1606 | total += read; |
| 1607 | } |
| 1608 | while ( total < moveLen ); |
| 1609 | |
| 1610 | this.getFileOperations().setFilePointer( writePos ); |
| 1611 | this.getFileOperations().write( buf, 0, moveLen ); |
| 1612 | |
| 1613 | toMoveByte -= moveLen; |
| 1614 | progress += moveLen; |
| 1615 | task.setProgress( (int) ( progress / progressDivisor ) ); |
| 1616 | } |
| 1617 | } |
| 1618 | finally |
| 1619 | { |
| 1620 | if ( monitoring ) |
| 1621 | { |
| 1622 | this.getTaskMonitor().finish( task ); |
| 1623 | } |
| 1624 | } |
| 1625 | |
| 1626 | this.fireBytesInserted( position, bytes ); |
| 1627 | } |
| 1628 | |
| 1629 | /** |
| 1630 | * Removes a given number of bytes at a given position. |
| 1631 | * |
| 1632 | * @param position The position to remove bytes at. |
| 1633 | * @param bytes The number of bytes to remove. |
| 1634 | * |
| 1635 | * @throws IOException if removing bytes fails. |
| 1636 | */ |
| 1637 | protected void removeBytes( final long position, final long bytes ) throws IOException |
| 1638 | { |
| 1639 | final Task task = new Task(); |
| 1640 | long toMoveByte = this.getFileOperations().getLength() - position - bytes; |
| 1641 | long progress = 0L; |
| 1642 | long progressDivisor = 1L; |
| 1643 | long maxProgress = toMoveByte; |
| 1644 | |
| 1645 | // No blocks are following the ones to remove. |
| 1646 | if ( toMoveByte == 0L ) |
| 1647 | { |
| 1648 | this.getFileOperations().setLength( this.getFileOperations().getLength() - bytes ); |
| 1649 | this.fireBytesDeleted( position, bytes ); |
| 1650 | return; |
| 1651 | } |
| 1652 | |
| 1653 | final byte[] buf = this.getBuffer( toMoveByte > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) toMoveByte ); |
| 1654 | while ( maxProgress > Integer.MAX_VALUE ) |
| 1655 | { |
| 1656 | maxProgress /= 2L; |
| 1657 | progressDivisor *= 2L; |
| 1658 | } |
| 1659 | |
| 1660 | task.setIndeterminate( false ); |
| 1661 | task.setCancelable( false ); |
| 1662 | task.setMinimum( 0 ); |
| 1663 | task.setMaximum( (int) maxProgress ); |
| 1664 | task.setProgress( (int) progress ); |
| 1665 | task.setDescription( new DeletesBlocksMessage() ); |
| 1666 | |
| 1667 | final boolean monitoring = toMoveByte > this.getMonitoringThreshold(); |
| 1668 | if ( monitoring ) |
| 1669 | { |
| 1670 | this.getTaskMonitor().monitor( task ); |
| 1671 | } |
| 1672 | |
| 1673 | try |
| 1674 | { |
| 1675 | long readPos = position + bytes; |
| 1676 | while ( toMoveByte > 0L ) |
| 1677 | { |
| 1678 | final int len = toMoveByte <= buf.length ? (int) toMoveByte : buf.length; |
| 1679 | final long writePos = readPos - bytes; |
| 1680 | |
| 1681 | this.getFileOperations().setFilePointer( readPos ); |
| 1682 | |
| 1683 | int read = 0; |
| 1684 | int total = 0; |
| 1685 | do |
| 1686 | { |
| 1687 | read = this.getFileOperations().read( buf, total, len - total ); |
| 1688 | assert read != FileOperations.EOF : "Unexpected end of file."; |
| 1689 | total += read; |
| 1690 | |
| 1691 | } |
| 1692 | while ( total < len ); |
| 1693 | |
| 1694 | // Move the block count blocks to the beginning. |
| 1695 | this.getFileOperations().setFilePointer( writePos ); |
| 1696 | this.getFileOperations().write( buf, 0, len ); |
| 1697 | |
| 1698 | toMoveByte -= len; |
| 1699 | readPos += len; |
| 1700 | progress += len; |
| 1701 | task.setProgress( (int) ( progress / progressDivisor ) ); |
| 1702 | } |
| 1703 | |
| 1704 | this.getFileOperations().setLength( this.getFileOperations().getLength() - bytes ); |
| 1705 | } |
| 1706 | finally |
| 1707 | { |
| 1708 | if ( monitoring ) |
| 1709 | { |
| 1710 | this.getTaskMonitor().finish( task ); |
| 1711 | } |
| 1712 | } |
| 1713 | |
| 1714 | this.fireBytesDeleted( position, bytes ); |
| 1715 | } |
| 1716 | |
| 1717 | private byte[] getBuffer( final int requested ) throws IOException |
| 1718 | { |
| 1719 | final long length = this.getFileOperations().getLength(); |
| 1720 | |
| 1721 | if ( requested <= 0 || requested > length ) |
| 1722 | { |
| 1723 | throw new IllegalArgumentException( Integer.toString( requested ) ); |
| 1724 | } |
| 1725 | |
| 1726 | if ( this.defaultBuffer == null ) |
| 1727 | { |
| 1728 | this.defaultBuffer = this.getMemoryManager().allocateBytes( this.getDefaultBufferSize() ); |
| 1729 | } |
| 1730 | |
| 1731 | return requested <= this.defaultBuffer.length || this.getMemoryManager().getAvailableBytes() < requested |
| 1732 | ? this.defaultBuffer : this.getMemoryManager().allocateBytes( requested ); |
| 1733 | |
| 1734 | } |
| 1735 | |
| 1736 | /** |
| 1737 | * Ermittelt die Größe eines Satzabschnitts. |
| 1738 | * |
| 1739 | * @return Größe eines Satzabschnitts in Byte. |
| 1740 | */ |
| 1741 | protected abstract int getBlockSize(); |
| 1742 | |
| 1743 | /** |
| 1744 | * Ermittelt den Typ eines Satzabschnitts. |
| 1745 | * |
| 1746 | * @param position Position des zu lesenden Satzabschnitts. |
| 1747 | * |
| 1748 | * @return Datensatztyp des an {@code position} beginnenden Satzabschnitts {@code position}. |
| 1749 | * |
| 1750 | * @throws IOException wenn nicht gelesen werden kann. |
| 1751 | */ |
| 1752 | protected abstract char getBlockType( long position ) throws IOException; |
| 1753 | |
| 1754 | /** |
| 1755 | * Ermittlung der Bytes einer Transaktion. |
| 1756 | * |
| 1757 | * @param transaction Transaktion, für die die Anzahl benötigter Bytes ermittelt werden soll. |
| 1758 | *s |
| 1759 | * @return Anzahl der von {@code transaction} belegten Bytes. |
| 1760 | */ |
| 1761 | protected abstract int byteCount( Transaction transaction ); |
| 1762 | |
| 1763 | /** |
| 1764 | * Gets implementation meta-data. |
| 1765 | * |
| 1766 | * @return implementation meta-data. |
| 1767 | */ |
| 1768 | protected abstract Implementation getImplementation(); |
| 1769 | |
| 1770 | /** |
| 1771 | * Liest den A Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1772 | * {@link AbstractLogicalFile#getHeader()} geprüft. |
| 1773 | * |
| 1774 | * @return A Datensatz. |
| 1775 | * |
| 1776 | * @throws IOException wenn nicht gelesen werden kann. |
| 1777 | * |
| 1778 | * @see #getHeaderPosition() |
| 1779 | */ |
| 1780 | protected abstract Header readHeader() throws IOException; |
| 1781 | |
| 1782 | /** |
| 1783 | * Schreibt den A Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1784 | * {@link AbstractLogicalFile#setHeader(Header)} geprüft. |
| 1785 | * |
| 1786 | * @param header A Datensatz. |
| 1787 | * |
| 1788 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1789 | * |
| 1790 | * @see #getHeaderPosition() |
| 1791 | */ |
| 1792 | protected abstract void writeHeader( Header header ) throws IOException; |
| 1793 | |
| 1794 | /** |
| 1795 | * Liest den E Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1796 | * {@link AbstractLogicalFile#getChecksum()} geprüft. |
| 1797 | * |
| 1798 | * @return E Datensatz. |
| 1799 | * |
| 1800 | * @throws IOException wenn nicht gelesen werden kann. |
| 1801 | * |
| 1802 | * @see #getChecksumPosition() |
| 1803 | */ |
| 1804 | protected abstract Checksum readChecksum() throws IOException; |
| 1805 | |
| 1806 | /** |
| 1807 | * Schreibt den E Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1808 | * {@link AbstractLogicalFile#setChecksum(Checksum)} geprüft. |
| 1809 | * |
| 1810 | * @param checksum E Datensatz. |
| 1811 | * |
| 1812 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1813 | * |
| 1814 | * @see #getChecksumPosition() |
| 1815 | */ |
| 1816 | protected abstract void writeChecksum( Checksum checksum ) throws IOException; |
| 1817 | |
| 1818 | /** |
| 1819 | * Liest einen C Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1820 | * {@link AbstractLogicalFile#getTransaction(int)} geprüft. |
| 1821 | * |
| 1822 | * @param position Position des C Datensatzes. |
| 1823 | * @param transaction Instanz, die die gelesenen Daten aufnehmen soll. |
| 1824 | * |
| 1825 | * @return an {@code position} beginnender C Datensatz. |
| 1826 | * |
| 1827 | * @throws IOException wenn nicht gelesen werden kann. |
| 1828 | */ |
| 1829 | protected abstract Transaction readTransaction( long position, Transaction transaction ) throws IOException; |
| 1830 | |
| 1831 | /** |
| 1832 | * Schreibt einen C Datensatz. Die entsprechenden Vor- und Nachbedingungen werden in |
| 1833 | * {@link AbstractLogicalFile#setTransaction(int, Transaction)} geprüft. |
| 1834 | * |
| 1835 | * @param position Position des C Datensatzes. |
| 1836 | * @param transaction Daten des C Datensatzes. |
| 1837 | * |
| 1838 | * @throws IOException wenn nicht geschrieben werden kann. |
| 1839 | */ |
| 1840 | protected abstract void writeTransaction( long position, Transaction transaction ) throws IOException; |
| 1841 | |
| 1842 | public Header getHeader() throws IOException |
| 1843 | { |
| 1844 | if ( this.cachedHeader == null ) |
| 1845 | { |
| 1846 | this.cachedHeader = this.readHeader(); |
| 1847 | } |
| 1848 | |
| 1849 | return (Header) this.cachedHeader.clone(); |
| 1850 | } |
| 1851 | |
| 1852 | public Header setHeader( final Header header ) throws IOException |
| 1853 | { |
| 1854 | IllegalHeaderException result = null; |
| 1855 | final Header old = this.getHeader(); |
| 1856 | final HeaderValidator[] validators = this.getHeaderValidator(); |
| 1857 | |
| 1858 | for ( int i = validators.length - 1; i >= 0; i-- ) |
| 1859 | { |
| 1860 | result = validators[i].assertValidHeader( this, header, this.counter, result ); |
| 1861 | } |
| 1862 | |
| 1863 | if ( result != null && result.getMessages().length > 0 ) |
| 1864 | { |
| 1865 | throw result; |
| 1866 | } |
| 1867 | |
| 1868 | this.writeHeader( header ); |
| 1869 | this.cachedHeader = (Header) header.clone(); |
| 1870 | return old; |
| 1871 | } |
| 1872 | |
| 1873 | public Checksum getChecksum() throws IOException |
| 1874 | { |
| 1875 | if ( this.cachedChecksum == null ) |
| 1876 | { |
| 1877 | this.cachedChecksum = this.readChecksum(); |
| 1878 | } |
| 1879 | |
| 1880 | return (Checksum) this.cachedChecksum.clone(); |
| 1881 | } |
| 1882 | |
| 1883 | protected void setChecksum( final Checksum checksum ) throws IOException |
| 1884 | { |
| 1885 | this.writeChecksum( checksum ); |
| 1886 | this.cachedChecksum = (Checksum) checksum.clone(); |
| 1887 | } |
| 1888 | |
| 1889 | protected void checksum() throws IOException |
| 1890 | { |
| 1891 | final Checksum c = new Checksum(); |
| 1892 | Transaction t = new Transaction(); |
| 1893 | final Task task = new Task(); |
| 1894 | task.setIndeterminate( true ); |
| 1895 | task.setCancelable( false ); |
| 1896 | task.setDescription( new ChecksumsFileMessage() ); |
| 1897 | |
| 1898 | try |
| 1899 | { |
| 1900 | this.getTaskMonitor().monitor( task ); |
| 1901 | |
| 1902 | final long fileLength = this.fileOperations.getLength(); |
| 1903 | long position = this.getHeaderPosition(); |
| 1904 | char type = this.getBlockType( position ); |
| 1905 | this.setChecksumPosition( position + this.getBlockSize() ); |
| 1906 | this.counter = new CurrencyCounter(); |
| 1907 | |
| 1908 | if ( type == 'A' ) |
| 1909 | { |
| 1910 | this.getHeader(); // A-Datensatz prüfen. |
| 1911 | |
| 1912 | position += this.getBlockSize(); |
| 1913 | int transactionIndex = 0; |
| 1914 | |
| 1915 | while ( position < fileLength && ( type = this.getBlockType( position ) ) == 'C' ) |
| 1916 | { |
| 1917 | this.resizeIndex( transactionIndex, c ); |
| 1918 | this.index[transactionIndex] = position - this.getHeaderPosition(); |
| 1919 | t = this.readTransaction( this.getHeaderPosition() + this.index[transactionIndex++], t ); |
| 1920 | final int len = this.byteCount( t ); |
| 1921 | |
| 1922 | if ( t.getCurrency() != null ) |
| 1923 | { |
| 1924 | this.counter.add( t.getCurrency() ); |
| 1925 | } |
| 1926 | if ( t.getAmount() != null && t.getTargetAccount() != null && t.getTargetBank() != null ) |
| 1927 | { |
| 1928 | c.add( t ); |
| 1929 | } |
| 1930 | |
| 1931 | position += len; |
| 1932 | this.setChecksumPosition( position ); |
| 1933 | c.setTransactionCount( transactionIndex ); |
| 1934 | } |
| 1935 | |
| 1936 | this.setChecksumPosition( position ); |
| 1937 | if ( type == 'E' ) |
| 1938 | { |
| 1939 | final Checksum stored = this.getChecksum(); |
| 1940 | if ( !stored.equals( c ) ) |
| 1941 | { |
| 1942 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1943 | { |
| 1944 | throw new CorruptedException( this.getImplementation(), position ); |
| 1945 | } |
| 1946 | else |
| 1947 | { |
| 1948 | final Message msg = new ChecksumErrorMessage( stored, c, this.getHeaderPosition() ); |
| 1949 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1950 | } |
| 1951 | } |
| 1952 | } |
| 1953 | else |
| 1954 | { |
| 1955 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1956 | { |
| 1957 | throw new CorruptedException( |
| 1958 | this.getImplementation(), position + DTAUSDisk.ERECORD_OFFSETS[1] ); |
| 1959 | |
| 1960 | } |
| 1961 | else |
| 1962 | { |
| 1963 | final Message msg = new IllegalDataMessage( |
| 1964 | Fields.FIELD_E2, IllegalDataMessage.TYPE_CONSTANT, position + DTAUSDisk.ERECORD_OFFSETS[1], |
| 1965 | Character.toString( type ) ); |
| 1966 | |
| 1967 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1968 | } |
| 1969 | } |
| 1970 | } |
| 1971 | else |
| 1972 | { |
| 1973 | if ( ThreadLocalMessages.isErrorsEnabled() ) |
| 1974 | { |
| 1975 | throw new CorruptedException( this.getImplementation(), position + DTAUSDisk.ARECORD_OFFSETS[1] ); |
| 1976 | } |
| 1977 | else |
| 1978 | { |
| 1979 | final Message msg = new IllegalDataMessage( |
| 1980 | Fields.FIELD_A2, IllegalDataMessage.TYPE_CONSTANT, position + DTAUSDisk.ARECORD_OFFSETS[1], |
| 1981 | Character.toString( type ) ); |
| 1982 | |
| 1983 | ThreadLocalMessages.getMessages().addMessage( msg ); |
| 1984 | } |
| 1985 | } |
| 1986 | } |
| 1987 | finally |
| 1988 | { |
| 1989 | this.getTaskMonitor().finish( task ); |
| 1990 | } |
| 1991 | } |
| 1992 | |
| 1993 | public final void createTransaction( final Transaction transaction ) throws IOException |
| 1994 | { |
| 1995 | this.addTransaction( transaction ); |
| 1996 | } |
| 1997 | |
| 1998 | public int addTransaction( final Transaction transaction ) throws IOException |
| 1999 | { |
| 2000 | final Checksum checksum = this.getChecksum(); |
| 2001 | final int newCount = checksum.getTransactionCount() + 1; |
| 2002 | |
| 2003 | if ( !this.checkTransactionCount( newCount ) ) |
| 2004 | { |
| 2005 | throw new ArrayIndexOutOfBoundsException( newCount ); |
| 2006 | } |
| 2007 | |
| 2008 | IllegalTransactionException result = null; |
| 2009 | final TransactionValidator[] validators = this.getTransactionValidator(); |
| 2010 | |
| 2011 | for ( int i = validators.length - 1; i >= 0; i-- ) |
| 2012 | { |
| 2013 | result = validators[i].assertValidTransaction( this, transaction, result ); |
| 2014 | } |
| 2015 | |
| 2016 | if ( result != null && result.getMessages().length > 0 ) |
| 2017 | { |
| 2018 | throw result; |
| 2019 | } |
| 2020 | |
| 2021 | this.counter.add( transaction.getCurrency() ); |
| 2022 | checksum.setTransactionCount( newCount ); |
| 2023 | checksum.add( transaction ); |
| 2024 | |
| 2025 | final int transactionIndex = checksum.getTransactionCount() - 1; |
| 2026 | final int len = this.byteCount( transaction ); |
| 2027 | this.insertBytes( this.getChecksumPosition(), len ); |
| 2028 | this.setChecksumPosition( this.getChecksumPosition() + len ); |
| 2029 | this.resizeIndex( transactionIndex, checksum ); |
| 2030 | this.index[transactionIndex] = this.getChecksumPosition() - len - this.getHeaderPosition(); |
| 2031 | this.writeTransaction( this.getHeaderPosition() + this.index[transactionIndex], transaction ); |
| 2032 | this.writeChecksum( checksum ); |
| 2033 | this.cachedChecksum = checksum; |
| 2034 | return transactionIndex; |
| 2035 | } |
| 2036 | |
| 2037 | public Transaction getTransaction( final int index ) throws IOException |
| 2038 | { |
| 2039 | final Checksum checksum = this.getChecksum(); |
| 2040 | if ( !this.checkTransactionId( index, checksum ) ) |
| 2041 | { |
| 2042 | throw new ArrayIndexOutOfBoundsException( index ); |
| 2043 | } |
| 2044 | |
| 2045 | return this.readTransaction( this.index[index] + this.getHeaderPosition(), new Transaction() ); |
| 2046 | } |
| 2047 | |
| 2048 | public Transaction setTransaction( final int index, final Transaction transaction ) throws IOException |
| 2049 | { |
| 2050 | final Checksum checksum = this.getChecksum(); |
| 2051 | if ( !this.checkTransactionId( index, checksum ) ) |
| 2052 | { |
| 2053 | throw new ArrayIndexOutOfBoundsException( index ); |
| 2054 | } |
| 2055 | |
| 2056 | IllegalTransactionException result = null; |
| 2057 | final TransactionValidator[] validators = this.getTransactionValidator(); |
| 2058 | |
| 2059 | for ( int i = validators.length - 1; i >= 0; i-- ) |
| 2060 | { |
| 2061 | result = validators[i].assertValidTransaction( this, transaction, result ); |
| 2062 | } |
| 2063 | |
| 2064 | if ( result != null && result.getMessages().length > 0 ) |
| 2065 | { |
| 2066 | throw result; |
| 2067 | } |
| 2068 | |
| 2069 | final Transaction old = this.getTransaction( index ); |
| 2070 | |
| 2071 | if ( !old.getCurrency().getCurrencyCode().equals( transaction.getCurrency().getCurrencyCode() ) ) |
| 2072 | { |
| 2073 | this.counter.substract( old.getCurrency() ); |
| 2074 | this.counter.add( transaction.getCurrency() ); |
| 2075 | } |
| 2076 | |
| 2077 | int i; |
| 2078 | checksum.subtract( old ); |
| 2079 | checksum.add( transaction ); |
| 2080 | final int oldLen = this.byteCount( old ); |
| 2081 | final int newLen = this.byteCount( transaction ); |
| 2082 | if ( oldLen < newLen ) |
| 2083 | { |
| 2084 | final int delta = newLen - oldLen; |
| 2085 | this.insertBytes( this.getHeaderPosition() + this.index[index], delta ); |
| 2086 | |
| 2087 | for ( i = index + 1; i < this.index.length; i++ ) |
| 2088 | { |
| 2089 | if ( this.index[i] != -1L ) |
| 2090 | { |
| 2091 | this.index[i] += delta; |
| 2092 | } |
| 2093 | } |
| 2094 | |
| 2095 | this.setChecksumPosition( this.getChecksumPosition() + delta ); |
| 2096 | } |
| 2097 | else if ( oldLen > newLen ) |
| 2098 | { |
| 2099 | final int delta = oldLen - newLen; |
| 2100 | this.removeBytes( this.getHeaderPosition() + this.index[index], delta ); |
| 2101 | |
| 2102 | for ( i = index + 1; i < this.index.length; i++ ) |
| 2103 | { |
| 2104 | if ( this.index[i] != -1L ) |
| 2105 | { |
| 2106 | this.index[i] -= delta; |
| 2107 | } |
| 2108 | } |
| 2109 | |
| 2110 | this.setChecksumPosition( this.getChecksumPosition() - delta ); |
| 2111 | } |
| 2112 | |
| 2113 | this.writeTransaction( this.getHeaderPosition() + this.index[index], transaction ); |
| 2114 | this.writeChecksum( checksum ); |
| 2115 | this.cachedChecksum = checksum; |
| 2116 | return old; |
| 2117 | } |
| 2118 | |
| 2119 | public Transaction removeTransaction( final int index ) throws IOException |
| 2120 | { |
| 2121 | final Checksum checksum = this.getChecksum(); |
| 2122 | if ( !this.checkTransactionId( index, checksum ) ) |
| 2123 | { |
| 2124 | throw new ArrayIndexOutOfBoundsException( index ); |
| 2125 | } |
| 2126 | |
| 2127 | final Transaction removed = this.getTransaction( index ); |
| 2128 | checksum.setTransactionCount( checksum.getTransactionCount() - 1 ); |
| 2129 | checksum.subtract( removed ); |
| 2130 | this.counter.substract( removed.getCurrency() ); |
| 2131 | |
| 2132 | final int len = this.byteCount( removed ); |
| 2133 | this.removeBytes( this.getHeaderPosition() + this.index[index], len ); |
| 2134 | this.setChecksumPosition( this.getChecksumPosition() - len ); |
| 2135 | for ( int i = index + 1; i < this.index.length; i++ ) |
| 2136 | { |
| 2137 | if ( this.index[i] != -1L ) |
| 2138 | { |
| 2139 | this.index[i] -= len; |
| 2140 | } |
| 2141 | |
| 2142 | this.index[i - 1] = this.index[i]; |
| 2143 | } |
| 2144 | |
| 2145 | this.writeChecksum( checksum ); |
| 2146 | this.cachedChecksum = checksum; |
| 2147 | return removed; |
| 2148 | } |
| 2149 | |
| 2150 | //--Dependencies------------------------------------------------------------ |
| 2151 | |
| 2152 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausDependencies |
| 2153 | // This section is managed by jdtaus-container-mojo. |
| 2154 | |
| 2155 | /** |
| 2156 | * Gets the configured <code>Logger</code> implementation. |
| 2157 | * |
| 2158 | * @return The configured <code>Logger</code> implementation. |
| 2159 | */ |
| 2160 | protected Logger getLogger() |
| 2161 | { |
| 2162 | return (Logger) ContainerFactory.getContainer(). |
| 2163 | getDependency( this, "Logger" ); |
| 2164 | |
| 2165 | } |
| 2166 | |
| 2167 | /** |
| 2168 | * Gets the configured <code>MemoryManager</code> implementation. |
| 2169 | * |
| 2170 | * @return The configured <code>MemoryManager</code> implementation. |
| 2171 | */ |
| 2172 | protected MemoryManager getMemoryManager() |
| 2173 | { |
| 2174 | return (MemoryManager) ContainerFactory.getContainer(). |
| 2175 | getDependency( this, "MemoryManager" ); |
| 2176 | |
| 2177 | } |
| 2178 | |
| 2179 | /** |
| 2180 | * Gets the configured <code>ApplicationLogger</code> implementation. |
| 2181 | * |
| 2182 | * @return The configured <code>ApplicationLogger</code> implementation. |
| 2183 | */ |
| 2184 | protected ApplicationLogger getApplicationLogger() |
| 2185 | { |
| 2186 | return (ApplicationLogger) ContainerFactory.getContainer(). |
| 2187 | getDependency( this, "ApplicationLogger" ); |
| 2188 | |
| 2189 | } |
| 2190 | |
| 2191 | /** |
| 2192 | * Gets the configured <code>TaskMonitor</code> implementation. |
| 2193 | * |
| 2194 | * @return The configured <code>TaskMonitor</code> implementation. |
| 2195 | */ |
| 2196 | protected TaskMonitor getTaskMonitor() |
| 2197 | { |
| 2198 | return (TaskMonitor) ContainerFactory.getContainer(). |
| 2199 | getDependency( this, "TaskMonitor" ); |
| 2200 | |
| 2201 | } |
| 2202 | |
| 2203 | /** |
| 2204 | * Gets the configured <code>TextschluesselVerzeichnis</code> implementation. |
| 2205 | * |
| 2206 | * @return The configured <code>TextschluesselVerzeichnis</code> implementation. |
| 2207 | */ |
| 2208 | protected TextschluesselVerzeichnis getTextschluesselVerzeichnis() |
| 2209 | { |
| 2210 | return (TextschluesselVerzeichnis) ContainerFactory.getContainer(). |
| 2211 | getDependency( this, "TextschluesselVerzeichnis" ); |
| 2212 | |
| 2213 | } |
| 2214 | |
| 2215 | /** |
| 2216 | * Gets the configured <code>CurrencyMapper</code> implementation. |
| 2217 | * |
| 2218 | * @return The configured <code>CurrencyMapper</code> implementation. |
| 2219 | */ |
| 2220 | protected CurrencyMapper getCurrencyMapper() |
| 2221 | { |
| 2222 | return (CurrencyMapper) ContainerFactory.getContainer(). |
| 2223 | getDependency( this, "CurrencyMapper" ); |
| 2224 | |
| 2225 | } |
| 2226 | |
| 2227 | /** |
| 2228 | * Gets the configured <code>HeaderValidator</code> implementation. |
| 2229 | * |
| 2230 | * @return The configured <code>HeaderValidator</code> implementation. |
| 2231 | */ |
| 2232 | protected HeaderValidator[] getHeaderValidator() |
| 2233 | { |
| 2234 | return (HeaderValidator[]) ContainerFactory.getContainer(). |
| 2235 | getDependency( this, "HeaderValidator" ); |
| 2236 | |
| 2237 | } |
| 2238 | |
| 2239 | /** |
| 2240 | * Gets the configured <code>TransactionValidator</code> implementation. |
| 2241 | * |
| 2242 | * @return The configured <code>TransactionValidator</code> implementation. |
| 2243 | */ |
| 2244 | protected TransactionValidator[] getTransactionValidator() |
| 2245 | { |
| 2246 | return (TransactionValidator[]) ContainerFactory.getContainer(). |
| 2247 | getDependency( this, "TransactionValidator" ); |
| 2248 | |
| 2249 | } |
| 2250 | |
| 2251 | /** |
| 2252 | * Gets the configured <code>Locale</code> implementation. |
| 2253 | * |
| 2254 | * @return The configured <code>Locale</code> implementation. |
| 2255 | */ |
| 2256 | protected Locale getLocale() |
| 2257 | { |
| 2258 | return (Locale) ContainerFactory.getContainer(). |
| 2259 | getDependency( this, "Locale" ); |
| 2260 | |
| 2261 | } |
| 2262 | |
| 2263 | // </editor-fold>//GEN-END:jdtausDependencies |
| 2264 | |
| 2265 | //------------------------------------------------------------Dependencies-- |
| 2266 | //--Properties-------------------------------------------------------------- |
| 2267 | |
| 2268 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausProperties |
| 2269 | // This section is managed by jdtaus-container-mojo. |
| 2270 | |
| 2271 | /** |
| 2272 | * Gets the value of property <code>defaultMonitoringThreshold</code>. |
| 2273 | * |
| 2274 | * @return Number of bytes which need to minimally be copied to enable any task monitoring during copy operations. |
| 2275 | */ |
| 2276 | protected java.lang.Integer getDefaultMonitoringThreshold() |
| 2277 | { |
| 2278 | return (java.lang.Integer) ContainerFactory.getContainer(). |
| 2279 | getProperty( this, "defaultMonitoringThreshold" ); |
| 2280 | |
| 2281 | } |
| 2282 | |
| 2283 | /** |
| 2284 | * Gets the value of property <code>defaultMaximumExtensionCount</code>. |
| 2285 | * |
| 2286 | * @return Default maximum number of extensions allowed in a C record (field C18). |
| 2287 | */ |
| 2288 | protected java.lang.Long getDefaultMaximumExtensionCount() |
| 2289 | { |
| 2290 | return (java.lang.Long) ContainerFactory.getContainer(). |
| 2291 | getProperty( this, "defaultMaximumExtensionCount" ); |
| 2292 | |
| 2293 | } |
| 2294 | |
| 2295 | /** |
| 2296 | * Gets the value of property <code>defaultBufferSize</code>. |
| 2297 | * |
| 2298 | * @return Size of the pre-alocated default buffer in byte. |
| 2299 | */ |
| 2300 | protected int getDefaultBufferSize() |
| 2301 | { |
| 2302 | return ( (java.lang.Integer) ContainerFactory.getContainer(). |
| 2303 | getProperty( this, "defaultBufferSize" ) ).intValue(); |
| 2304 | |
| 2305 | } |
| 2306 | |
| 2307 | // </editor-fold>//GEN-END:jdtausProperties |
| 2308 | |
| 2309 | //--------------------------------------------------------------Properties-- |
| 2310 | //--Messages---------------------------------------------------------------- |
| 2311 | |
| 2312 | // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:jdtausMessages |
| 2313 | // This section is managed by jdtaus-container-mojo. |
| 2314 | |
| 2315 | /** |
| 2316 | * Gets the text of message <code>readNumberIllegalFileInfo</code>. |
| 2317 | * <blockquote><pre>Ein ungültiges Leerzeichen in einem numerischen Feld wurde zu einer Null konvertiert. Gelesene Zeichenkette "{0}" wurde zur Zahl "{1,number}" konvertiert.</pre></blockquote> |
| 2318 | * <blockquote><pre>An illegal space character in a numeric field has been converted to zero. Converted string "{0}" to number "{1,number}".</pre></blockquote> |
| 2319 | * |
| 2320 | * @param locale The locale of the message instance to return. |
| 2321 | * @param readString format parameter. |
| 2322 | * @param convertedNumber format parameter. |
| 2323 | * |
| 2324 | * @return the text of message <code>readNumberIllegalFileInfo</code>. |
| 2325 | */ |
| 2326 | protected String getReadNumberIllegalFileInfoMessage( final Locale locale, |
| 2327 | final java.lang.String readString, |
| 2328 | final java.lang.Number convertedNumber ) |
| 2329 | { |
| 2330 | return ContainerFactory.getContainer(). |
| 2331 | getMessage( this, "readNumberIllegalFileInfo", locale, |
| 2332 | new Object[] |
| 2333 | { |
| 2334 | readString, |
| 2335 | convertedNumber |
| 2336 | }); |
| 2337 | |
| 2338 | } |
| 2339 | |
| 2340 | // </editor-fold>//GEN-END:jdtausMessages |
| 2341 | |
| 2342 | //----------------------------------------------------------------Messages-- |
| 2343 | } |