| 1 | /* |
| 2 | * Copyright (C) Christian Schulte, 2005-206 |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * o Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * o Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in |
| 14 | * the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 18 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
| 19 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | * $JOMC: ResourceFileProcessor.java 4670 2012-12-23 01:20:36Z schulte $ |
| 29 | * |
| 30 | */ |
| 31 | package org.jomc.tools; |
| 32 | |
| 33 | import java.io.ByteArrayOutputStream; |
| 34 | import java.io.Closeable; |
| 35 | import java.io.File; |
| 36 | import java.io.IOException; |
| 37 | import java.io.RandomAccessFile; |
| 38 | import java.nio.ByteBuffer; |
| 39 | import java.nio.channels.FileChannel; |
| 40 | import java.nio.channels.FileLock; |
| 41 | import java.text.MessageFormat; |
| 42 | import java.util.HashMap; |
| 43 | import java.util.Locale; |
| 44 | import java.util.Map; |
| 45 | import java.util.Properties; |
| 46 | import java.util.ResourceBundle; |
| 47 | import java.util.logging.Level; |
| 48 | import org.apache.velocity.VelocityContext; |
| 49 | import org.jomc.model.Implementation; |
| 50 | import org.jomc.model.JavaTypeName; |
| 51 | import org.jomc.model.Message; |
| 52 | import org.jomc.model.Messages; |
| 53 | import org.jomc.model.ModelObjectException; |
| 54 | import org.jomc.model.Module; |
| 55 | import org.jomc.model.Specification; |
| 56 | import org.jomc.model.Text; |
| 57 | |
| 58 | /** |
| 59 | * Processes resource files. |
| 60 | * |
| 61 | * <p><b>Use Cases:</b><br/><ul> |
| 62 | * <li>{@link #writeResourceBundleResourceFiles(File) }</li> |
| 63 | * <li>{@link #writeResourceBundleResourceFiles(Module, File) }</li> |
| 64 | * <li>{@link #writeResourceBundleResourceFiles(Specification, File) }</li> |
| 65 | * <li>{@link #writeResourceBundleResourceFiles(Implementation, File) }</li> |
| 66 | * </ul></p> |
| 67 | * |
| 68 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 69 | * @version $JOMC: ResourceFileProcessor.java 4670 2012-12-23 01:20:36Z schulte $ |
| 70 | * |
| 71 | * @see #getModules() |
| 72 | */ |
| 73 | public class ResourceFileProcessor extends JomcTool |
| 74 | { |
| 75 | |
| 76 | /** The language of the default language properties file of generated resource bundle resources. */ |
| 77 | private Locale resourceBundleDefaultLocale; |
| 78 | |
| 79 | /** Creates a new {@code ResourceFileProcessor} instance. */ |
| 80 | public ResourceFileProcessor() |
| 81 | { |
| 82 | super(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Creates a new {@code ResourceFileProcessor} instance taking a {@code ResourceFileProcessor} instance to |
| 87 | * initialize the instance with. |
| 88 | * |
| 89 | * @param tool The instance to initialize the new instance with. |
| 90 | * |
| 91 | * @throws NullPointerException if {@code tool} is {@code null}. |
| 92 | * @throws IOException if copying {@code tool} fails. |
| 93 | */ |
| 94 | public ResourceFileProcessor( final ResourceFileProcessor tool ) throws IOException |
| 95 | { |
| 96 | super( tool ); |
| 97 | this.resourceBundleDefaultLocale = tool.resourceBundleDefaultLocale; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Gets the language of the default language properties file of generated resource bundle resource files. |
| 102 | * |
| 103 | * @return The language of the default language properties file of generated resource bundle resource files. |
| 104 | * |
| 105 | * @see #setResourceBundleDefaultLocale(java.util.Locale) |
| 106 | */ |
| 107 | public final Locale getResourceBundleDefaultLocale() |
| 108 | { |
| 109 | if ( this.resourceBundleDefaultLocale == null ) |
| 110 | { |
| 111 | this.resourceBundleDefaultLocale = Locale.ENGLISH; |
| 112 | |
| 113 | if ( this.isLoggable( Level.CONFIG ) ) |
| 114 | { |
| 115 | this.log( Level.CONFIG, getMessage( "defaultResourceBundleDefaultLocale", |
| 116 | this.resourceBundleDefaultLocale ), null ); |
| 117 | |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | return this.resourceBundleDefaultLocale; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Sets the language of the default language properties file of generated resource bundle resource files. |
| 126 | * |
| 127 | * @param value The language of the default language properties file of generated resource bundle resource files. |
| 128 | * |
| 129 | * @see #getResourceBundleDefaultLocale() |
| 130 | */ |
| 131 | public final void setResourceBundleDefaultLocale( final Locale value ) |
| 132 | { |
| 133 | this.resourceBundleDefaultLocale = value; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Writes resource bundle resource files of the modules of the instance to a given directory. |
| 138 | * |
| 139 | * @param resourcesDirectory The directory to write resource bundle resource files to. |
| 140 | * |
| 141 | * @throws NullPointerException if {@code resourcesDirectory} is {@code null}. |
| 142 | * @throws IOException if writing resource bundle resource files fails. |
| 143 | * @throws ModelObjectException if compiling the name of a referenced type fails. |
| 144 | * |
| 145 | * @see #writeResourceBundleResourceFiles(org.jomc.model.Module, java.io.File) |
| 146 | */ |
| 147 | public void writeResourceBundleResourceFiles( final File resourcesDirectory ) |
| 148 | throws IOException, ModelObjectException |
| 149 | { |
| 150 | if ( resourcesDirectory == null ) |
| 151 | { |
| 152 | throw new NullPointerException( "resourcesDirectory" ); |
| 153 | } |
| 154 | |
| 155 | if ( this.getModules() != null ) |
| 156 | { |
| 157 | for ( int i = 0, s0 = this.getModules().getModule().size(); i < s0; i++ ) |
| 158 | { |
| 159 | this.writeResourceBundleResourceFiles( this.getModules().getModule().get( i ), resourcesDirectory ); |
| 160 | } |
| 161 | } |
| 162 | else if ( this.isLoggable( Level.WARNING ) ) |
| 163 | { |
| 164 | this.log( Level.WARNING, getMessage( "modulesNotFound", this.getModel().getIdentifier() ), null ); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Writes resource bundle resource files of a given module from the modules of the instance to a given directory. |
| 170 | * |
| 171 | * @param module The module to process. |
| 172 | * @param resourcesDirectory The directory to write resource bundle resource files to. |
| 173 | * |
| 174 | * @throws NullPointerException if {@code module} or {@code resourcesDirectory} is {@code null}. |
| 175 | * @throws IOException if writing resource bundle resource files fails. |
| 176 | * @throws ModelObjectException if compiling the name of a referenced type fails. |
| 177 | * |
| 178 | * @see #writeResourceBundleResourceFiles(org.jomc.model.Specification, java.io.File) |
| 179 | * @see #writeResourceBundleResourceFiles(org.jomc.model.Implementation, java.io.File) |
| 180 | */ |
| 181 | public void writeResourceBundleResourceFiles( final Module module, final File resourcesDirectory ) |
| 182 | throws IOException, ModelObjectException |
| 183 | { |
| 184 | if ( module == null ) |
| 185 | { |
| 186 | throw new NullPointerException( "module" ); |
| 187 | } |
| 188 | if ( resourcesDirectory == null ) |
| 189 | { |
| 190 | throw new NullPointerException( "resourcesDirectory" ); |
| 191 | } |
| 192 | |
| 193 | if ( this.getModules() != null && this.getModules().getModule( module.getName() ) != null ) |
| 194 | { |
| 195 | if ( module.getSpecifications() != null ) |
| 196 | { |
| 197 | for ( int i = 0, s0 = module.getSpecifications().getSpecification().size(); i < s0; i++ ) |
| 198 | { |
| 199 | this.writeResourceBundleResourceFiles( module.getSpecifications().getSpecification().get( i ), |
| 200 | resourcesDirectory ); |
| 201 | |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | if ( module.getImplementations() != null ) |
| 206 | { |
| 207 | for ( int i = 0, s0 = module.getImplementations().getImplementation().size(); i < s0; i++ ) |
| 208 | { |
| 209 | this.writeResourceBundleResourceFiles( module.getImplementations().getImplementation().get( i ), |
| 210 | resourcesDirectory ); |
| 211 | |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | else if ( this.isLoggable( Level.WARNING ) ) |
| 216 | { |
| 217 | this.log( Level.WARNING, getMessage( "moduleNotFound", module.getName() ), null ); |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Writes resource bundle resource files of a given specification from the modules of the instance to a directory. |
| 223 | * |
| 224 | * @param specification The specification to process. |
| 225 | * @param resourcesDirectory The directory to write resource bundle resource files to. |
| 226 | * |
| 227 | * @throws NullPointerException if {@code specification} or {@code resourcesDirectory} is {@code null}. |
| 228 | * @throws IOException if writing resource bundle resource files fails. |
| 229 | * @throws ModelObjectException if compiling the name of the type referenced by the specification fails. |
| 230 | * |
| 231 | * @see #getResourceBundleResources(org.jomc.model.Specification) |
| 232 | */ |
| 233 | public void writeResourceBundleResourceFiles( final Specification specification, final File resourcesDirectory ) |
| 234 | throws IOException, ModelObjectException |
| 235 | { |
| 236 | if ( specification == null ) |
| 237 | { |
| 238 | throw new NullPointerException( "implementation" ); |
| 239 | } |
| 240 | if ( resourcesDirectory == null ) |
| 241 | { |
| 242 | throw new NullPointerException( "resourcesDirectory" ); |
| 243 | } |
| 244 | |
| 245 | if ( this.getModules() != null |
| 246 | && this.getModules().getSpecification( specification.getIdentifier() ) != null ) |
| 247 | { |
| 248 | if ( specification.isClassDeclaration() ) |
| 249 | { |
| 250 | if ( !resourcesDirectory.isDirectory() ) |
| 251 | { |
| 252 | throw new IOException( getMessage( "directoryNotFound", resourcesDirectory.getAbsolutePath() ) ); |
| 253 | } |
| 254 | |
| 255 | this.assertValidTemplates( specification ); |
| 256 | |
| 257 | final JavaTypeName javaTypeName = specification.getJavaTypeName(); |
| 258 | |
| 259 | if ( javaTypeName != null ) |
| 260 | { |
| 261 | final String bundlePath = javaTypeName.getQualifiedName().replace( '.', File.separatorChar ); |
| 262 | this.writeResourceBundleResourceFiles( |
| 263 | this.getResourceBundleResources( specification ), resourcesDirectory, bundlePath ); |
| 264 | |
| 265 | } |
| 266 | } |
| 267 | } |
| 268 | else if ( this.isLoggable( Level.WARNING ) ) |
| 269 | { |
| 270 | this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null ); |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Writes resource bundle resource files of a given implementation from the modules of the instance to a directory. |
| 276 | * |
| 277 | * @param implementation The implementation to process. |
| 278 | * @param resourcesDirectory The directory to write resource bundle resource files to. |
| 279 | * |
| 280 | * @throws NullPointerException if {@code implementation} or {@code resourcesDirectory} is {@code null}. |
| 281 | * @throws IOException if writing resource bundle resource files fails. |
| 282 | * @throws ModelObjectException if compiling the name of the type referenced by the implementation fails. |
| 283 | * |
| 284 | * @see #getResourceBundleResources(org.jomc.model.Implementation) |
| 285 | */ |
| 286 | public void writeResourceBundleResourceFiles( final Implementation implementation, final File resourcesDirectory ) |
| 287 | throws IOException, ModelObjectException |
| 288 | { |
| 289 | if ( implementation == null ) |
| 290 | { |
| 291 | throw new NullPointerException( "implementation" ); |
| 292 | } |
| 293 | if ( resourcesDirectory == null ) |
| 294 | { |
| 295 | throw new NullPointerException( "resourcesDirectory" ); |
| 296 | } |
| 297 | |
| 298 | if ( this.getModules() != null |
| 299 | && this.getModules().getImplementation( implementation.getIdentifier() ) != null ) |
| 300 | { |
| 301 | if ( implementation.isClassDeclaration() ) |
| 302 | { |
| 303 | if ( !resourcesDirectory.isDirectory() ) |
| 304 | { |
| 305 | throw new IOException( getMessage( "directoryNotFound", resourcesDirectory.getAbsolutePath() ) ); |
| 306 | } |
| 307 | |
| 308 | this.assertValidTemplates( implementation ); |
| 309 | |
| 310 | final JavaTypeName javaTypeName = implementation.getJavaTypeName(); |
| 311 | |
| 312 | if ( javaTypeName != null ) |
| 313 | { |
| 314 | final String bundlePath = javaTypeName.getQualifiedName().replace( '.', File.separatorChar ); |
| 315 | this.writeResourceBundleResourceFiles( |
| 316 | this.getResourceBundleResources( implementation ), resourcesDirectory, bundlePath ); |
| 317 | |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | else if ( this.isLoggable( Level.WARNING ) ) |
| 322 | { |
| 323 | this.log( Level.WARNING, getMessage( "implementationNotFound", implementation.getIdentifier() ), null ); |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | /** |
| 328 | * Gets resource bundle properties resources of a given specification. |
| 329 | * |
| 330 | * @param specification The specification to get resource bundle properties resources of. |
| 331 | * |
| 332 | * @return Resource bundle properties resources of {@code specification} or {@code null}, if no model objects are |
| 333 | * found. |
| 334 | * |
| 335 | * @throws NullPointerException if {@code specification} is {@code null}. |
| 336 | * @throws IOException if getting the resource bundle properties resources fails. |
| 337 | */ |
| 338 | public Map<Locale, Properties> getResourceBundleResources( final Specification specification ) |
| 339 | throws IOException |
| 340 | { |
| 341 | if ( specification == null ) |
| 342 | { |
| 343 | throw new NullPointerException( "specification" ); |
| 344 | } |
| 345 | |
| 346 | Map<Locale, Properties> properties = null; |
| 347 | |
| 348 | if ( this.getModules() != null |
| 349 | && this.getModules().getSpecification( specification.getIdentifier() ) != null ) |
| 350 | { |
| 351 | properties = new HashMap<Locale, Properties>(); |
| 352 | } |
| 353 | else if ( this.isLoggable( Level.WARNING ) ) |
| 354 | { |
| 355 | this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null ); |
| 356 | } |
| 357 | |
| 358 | return properties; |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Gets resource bundle properties resources of a given implementation. |
| 363 | * |
| 364 | * @param implementation The implementation to get resource bundle properties resources of. |
| 365 | * |
| 366 | * @return Resource bundle properties resources of {@code implementation} or {@code null}, if no model objects are |
| 367 | * found. |
| 368 | * |
| 369 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 370 | * @throws IOException if getting the resource bundle properties resources fails. |
| 371 | */ |
| 372 | public Map<Locale, Properties> getResourceBundleResources( final Implementation implementation ) |
| 373 | throws IOException |
| 374 | { |
| 375 | if ( implementation == null ) |
| 376 | { |
| 377 | throw new NullPointerException( "implementation" ); |
| 378 | } |
| 379 | |
| 380 | Map<Locale, Properties> properties = null; |
| 381 | |
| 382 | if ( this.getModules() != null |
| 383 | && this.getModules().getImplementation( implementation.getIdentifier() ) != null ) |
| 384 | { |
| 385 | properties = new HashMap<Locale, java.util.Properties>( 10 ); |
| 386 | final Messages messages = this.getModules().getMessages( implementation.getIdentifier() ); |
| 387 | |
| 388 | if ( messages != null ) |
| 389 | { |
| 390 | for ( int i = 0, s0 = messages.getMessage().size(); i < s0; i++ ) |
| 391 | { |
| 392 | final Message message = messages.getMessage().get( i ); |
| 393 | |
| 394 | if ( message.getTemplate() != null ) |
| 395 | { |
| 396 | for ( int j = 0, s1 = message.getTemplate().getText().size(); j < s1; j++ ) |
| 397 | { |
| 398 | final Text text = message.getTemplate().getText().get( j ); |
| 399 | final Locale locale = new Locale( text.getLanguage().toLowerCase() ); |
| 400 | Properties bundleProperties = properties.get( locale ); |
| 401 | |
| 402 | if ( bundleProperties == null ) |
| 403 | { |
| 404 | bundleProperties = new Properties(); |
| 405 | properties.put( locale, bundleProperties ); |
| 406 | } |
| 407 | |
| 408 | bundleProperties.setProperty( message.getName(), text.getValue() ); |
| 409 | } |
| 410 | } |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | else if ( this.isLoggable( Level.WARNING ) ) |
| 415 | { |
| 416 | this.log( Level.WARNING, getMessage( "implementationNotFound", implementation.getIdentifier() ), null ); |
| 417 | } |
| 418 | |
| 419 | return properties; |
| 420 | } |
| 421 | |
| 422 | private void writeResourceBundleResourceFiles( final Map<Locale, Properties> resources, |
| 423 | final File resourcesDirectory, final String bundlePath ) |
| 424 | throws IOException |
| 425 | { |
| 426 | if ( resources == null ) |
| 427 | { |
| 428 | throw new NullPointerException( "resources" ); |
| 429 | } |
| 430 | if ( resourcesDirectory == null ) |
| 431 | { |
| 432 | throw new NullPointerException( "resourcesDirectory" ); |
| 433 | } |
| 434 | if ( bundlePath == null ) |
| 435 | { |
| 436 | throw new NullPointerException( "bundlePath" ); |
| 437 | } |
| 438 | |
| 439 | Properties defProperties = null; |
| 440 | Properties fallbackProperties = null; |
| 441 | |
| 442 | final VelocityContext ctx = this.getVelocityContext(); |
| 443 | final String toolName = ctx.get( "toolName" ).toString(); |
| 444 | final String toolVersion = ctx.get( "toolVersion" ).toString(); |
| 445 | final String toolUrl = ctx.get( "toolUrl" ).toString(); |
| 446 | |
| 447 | for ( Map.Entry<Locale, Properties> e : resources.entrySet() ) |
| 448 | { |
| 449 | final String language = e.getKey().getLanguage().toLowerCase(); |
| 450 | final Properties p = e.getValue(); |
| 451 | final File file = new File( resourcesDirectory, bundlePath + "_" + language + ".properties" ); |
| 452 | |
| 453 | if ( this.getResourceBundleDefaultLocale().getLanguage().equalsIgnoreCase( language ) ) |
| 454 | { |
| 455 | defProperties = p; |
| 456 | } |
| 457 | |
| 458 | fallbackProperties = p; |
| 459 | |
| 460 | if ( !file.getParentFile().exists() && !file.getParentFile().mkdirs() ) |
| 461 | { |
| 462 | throw new IOException( getMessage( "failedCreatingDirectory", |
| 463 | file.getParentFile().getAbsolutePath() ) ); |
| 464 | |
| 465 | } |
| 466 | |
| 467 | if ( this.isLoggable( Level.INFO ) ) |
| 468 | { |
| 469 | this.log( Level.INFO, getMessage( "writing", file.getCanonicalPath() ), null ); |
| 470 | } |
| 471 | |
| 472 | this.writePropertiesFile( p, toolName + ' ' + toolVersion + " - See " + toolUrl, file ); |
| 473 | } |
| 474 | |
| 475 | if ( defProperties == null ) |
| 476 | { |
| 477 | defProperties = fallbackProperties; |
| 478 | } |
| 479 | |
| 480 | if ( defProperties != null ) |
| 481 | { |
| 482 | final File file = new File( resourcesDirectory, bundlePath + ".properties" ); |
| 483 | |
| 484 | if ( !file.getParentFile().exists() && !file.getParentFile().mkdirs() ) |
| 485 | { |
| 486 | throw new IOException( getMessage( "failedCreatingDirectory", |
| 487 | file.getParentFile().getAbsolutePath() ) ); |
| 488 | |
| 489 | } |
| 490 | |
| 491 | if ( this.isLoggable( Level.INFO ) ) |
| 492 | { |
| 493 | this.log( Level.INFO, getMessage( "writing", file.getCanonicalPath() ), null ); |
| 494 | } |
| 495 | |
| 496 | this.writePropertiesFile( defProperties, toolName + ' ' + toolVersion + " - See " + toolUrl, file ); |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | private void assertValidTemplates( final Specification specification ) |
| 501 | { |
| 502 | if ( specification == null ) |
| 503 | { |
| 504 | throw new NullPointerException( "specification" ); |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | private void assertValidTemplates( final Implementation implementation ) |
| 509 | { |
| 510 | if ( implementation == null ) |
| 511 | { |
| 512 | throw new NullPointerException( "implementation" ); |
| 513 | } |
| 514 | |
| 515 | final Messages messages = this.getModules().getMessages( implementation.getIdentifier() ); |
| 516 | |
| 517 | if ( messages != null ) |
| 518 | { |
| 519 | for ( int i = messages.getMessage().size() - 1; i >= 0; i-- ) |
| 520 | { |
| 521 | final Message m = messages.getMessage().get( i ); |
| 522 | |
| 523 | if ( m.getTemplate() != null ) |
| 524 | { |
| 525 | for ( int j = m.getTemplate().getText().size() - 1; j >= 0; j-- ) |
| 526 | { |
| 527 | new MessageFormat( m.getTemplate().getText().get( j ).getValue() ); |
| 528 | } |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | private void writePropertiesFile( final Properties properties, final String comments, final File propertiesFile ) |
| 535 | throws IOException |
| 536 | { |
| 537 | RandomAccessFile randomAccessFile = null; |
| 538 | FileChannel fileChannel = null; |
| 539 | FileLock fileLock = null; |
| 540 | boolean suppressExceptionOnClose = true; |
| 541 | |
| 542 | final ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); |
| 543 | properties.store( byteStream, comments ); |
| 544 | byteStream.close(); |
| 545 | |
| 546 | final byte[] bytes = byteStream.toByteArray(); |
| 547 | |
| 548 | try |
| 549 | { |
| 550 | randomAccessFile = new RandomAccessFile( propertiesFile, "rw" ); |
| 551 | fileChannel = randomAccessFile.getChannel(); |
| 552 | fileLock = fileChannel.lock(); |
| 553 | fileChannel.truncate( bytes.length ); |
| 554 | fileChannel.position( 0L ); |
| 555 | fileChannel.write( ByteBuffer.wrap( bytes ) ); |
| 556 | fileChannel.force( true ); |
| 557 | suppressExceptionOnClose = false; |
| 558 | } |
| 559 | finally |
| 560 | { |
| 561 | this.releaseAndClose( fileLock, fileChannel, randomAccessFile, suppressExceptionOnClose ); |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | private void releaseAndClose( final FileLock fileLock, final FileChannel fileChannel, |
| 566 | final Closeable closeable, final boolean suppressExceptions ) |
| 567 | throws IOException |
| 568 | { |
| 569 | try |
| 570 | { |
| 571 | if ( fileLock != null ) |
| 572 | { |
| 573 | fileLock.release(); |
| 574 | } |
| 575 | } |
| 576 | catch ( final IOException e ) |
| 577 | { |
| 578 | if ( suppressExceptions ) |
| 579 | { |
| 580 | this.log( Level.SEVERE, null, e ); |
| 581 | } |
| 582 | else |
| 583 | { |
| 584 | throw e; |
| 585 | } |
| 586 | } |
| 587 | finally |
| 588 | { |
| 589 | try |
| 590 | { |
| 591 | if ( fileChannel != null ) |
| 592 | { |
| 593 | fileChannel.close(); |
| 594 | } |
| 595 | } |
| 596 | catch ( final IOException e ) |
| 597 | { |
| 598 | if ( suppressExceptions ) |
| 599 | { |
| 600 | this.log( Level.SEVERE, null, e ); |
| 601 | } |
| 602 | else |
| 603 | { |
| 604 | throw e; |
| 605 | } |
| 606 | } |
| 607 | finally |
| 608 | { |
| 609 | try |
| 610 | { |
| 611 | if ( closeable != null ) |
| 612 | { |
| 613 | closeable.close(); |
| 614 | } |
| 615 | } |
| 616 | catch ( final IOException e ) |
| 617 | { |
| 618 | if ( suppressExceptions ) |
| 619 | { |
| 620 | this.log( Level.SEVERE, null, e ); |
| 621 | } |
| 622 | else |
| 623 | { |
| 624 | throw e; |
| 625 | } |
| 626 | } |
| 627 | } |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | private static String getMessage( final String key, final Object... arguments ) |
| 632 | { |
| 633 | if ( key == null ) |
| 634 | { |
| 635 | throw new NullPointerException( "key" ); |
| 636 | } |
| 637 | |
| 638 | return MessageFormat.format( ResourceBundle.getBundle( |
| 639 | ResourceFileProcessor.class.getName().replace( '.', '/' ) ).getString( key ), arguments ); |
| 640 | |
| 641 | } |
| 642 | |
| 643 | } |