| 1 | /* |
| 2 | * Copyright (c) 2009 The JOMC Project |
| 3 | * Copyright (c) 2005 Christian Schulte <cs@jomc.org> |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * |
| 10 | * o Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * |
| 13 | * o Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in |
| 15 | * the documentation and/or other materials provided with the |
| 16 | * distribution. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE JOMC PROJECT AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 20 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 21 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE JOMC PROJECT OR |
| 22 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 23 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 24 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 25 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 26 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 27 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 28 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | * |
| 30 | * $Id: JavaBundles.java 1435 2010-01-30 01:52:40Z schulte2005 $ |
| 31 | * |
| 32 | */ |
| 33 | package org.jomc.tools; |
| 34 | |
| 35 | import java.io.File; |
| 36 | import java.io.FileOutputStream; |
| 37 | import java.io.IOException; |
| 38 | import java.io.OutputStream; |
| 39 | import java.io.StringWriter; |
| 40 | import java.text.MessageFormat; |
| 41 | import java.util.HashMap; |
| 42 | import java.util.Locale; |
| 43 | import java.util.Map; |
| 44 | import java.util.Properties; |
| 45 | import java.util.ResourceBundle; |
| 46 | import java.util.logging.Level; |
| 47 | import org.apache.commons.io.FileUtils; |
| 48 | import org.apache.velocity.Template; |
| 49 | import org.apache.velocity.VelocityContext; |
| 50 | import org.jomc.model.Implementation; |
| 51 | import org.jomc.model.Message; |
| 52 | import org.jomc.model.Messages; |
| 53 | import org.jomc.model.Module; |
| 54 | import org.jomc.model.Text; |
| 55 | |
| 56 | /** |
| 57 | * Generates Java bundles. |
| 58 | * |
| 59 | * <p><b>Use cases</b><br/><ul> |
| 60 | * <li>{@link #writeBundleResources(java.io.File) }</li> |
| 61 | * <li>{@link #writeBundleResources(org.jomc.model.Module, java.io.File) }</li> |
| 62 | * <li>{@link #writeBundleResources(org.jomc.model.Implementation, java.io.File) }</li> |
| 63 | * <li>{@link #writeBundleSources(java.io.File) }</li> |
| 64 | * <li>{@link #writeBundleSources(org.jomc.model.Module, java.io.File) }</li> |
| 65 | * <li>{@link #writeBundleSources(org.jomc.model.Implementation, java.io.File) }</li> |
| 66 | * </ul></p> |
| 67 | * |
| 68 | * @author <a href="mailto:cs@jomc.org">Christian Schulte</a> |
| 69 | * @version $Id: JavaBundles.java 1435 2010-01-30 01:52:40Z schulte2005 $ |
| 70 | * |
| 71 | * @see #getModules() |
| 72 | */ |
| 73 | public class JavaBundles extends JomcTool |
| 74 | { |
| 75 | |
| 76 | /** Name of the generator. */ |
| 77 | private static final String GENERATOR_NAME = JavaBundles.class.getName(); |
| 78 | |
| 79 | /** Constant for the version of the generator. */ |
| 80 | private static final String GENERATOR_VERSION = "1.0"; |
| 81 | |
| 82 | /** Location of the {@code Bundle.java.vm} template. */ |
| 83 | private static final String BUNDLE_TEMPLATE = "Bundle.java.vm"; |
| 84 | |
| 85 | /** Constant for the suffix appended to implementation identifiers. */ |
| 86 | private static final String BUNDLE_SUFFIX = "Bundle"; |
| 87 | |
| 88 | /** The language of the default language properties file of the bundle. */ |
| 89 | private Locale defaultLocale; |
| 90 | |
| 91 | /** Creates a new {@code JavaBundles} instance. */ |
| 92 | public JavaBundles() |
| 93 | { |
| 94 | super(); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Creates a new {@code JavaBundles} instance taking a {@code JavaBundles} instance to initialize the instance with. |
| 99 | * |
| 100 | * @param tool The instance to initialize the new instance with, |
| 101 | */ |
| 102 | public JavaBundles( final JavaBundles tool ) |
| 103 | { |
| 104 | super( tool ); |
| 105 | this.setDefaultLocale( tool.getDefaultLocale() ); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Gets the language of the default language properties file of the bundle. |
| 110 | * |
| 111 | * @return The language of the default language properties file of the bundle. |
| 112 | * |
| 113 | * @see #setDefaultLocale(java.util.Locale) |
| 114 | */ |
| 115 | public Locale getDefaultLocale() |
| 116 | { |
| 117 | if ( this.defaultLocale == null ) |
| 118 | { |
| 119 | this.defaultLocale = Locale.getDefault(); |
| 120 | if ( this.isLoggable( Level.CONFIG ) ) |
| 121 | { |
| 122 | this.log( Level.CONFIG, getMessage( "defaultLocale", this.defaultLocale ), null ); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | return this.defaultLocale; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Sets the language of the default language properties file of the bundle. |
| 131 | * |
| 132 | * @param value The language of the default language properties file of the bundle. |
| 133 | * |
| 134 | * @see #getDefaultLocale() |
| 135 | */ |
| 136 | public void setDefaultLocale( final Locale value ) |
| 137 | { |
| 138 | this.defaultLocale = value; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Writes bundle sources of the modules of the instance to a given directory. |
| 143 | * |
| 144 | * @param sourcesDirectory The directory to write sources to. |
| 145 | * |
| 146 | * @throws NullPointerException if {@code sourcesDirectory} is {@code null}. |
| 147 | * @throws ToolException if writing fails. |
| 148 | * |
| 149 | * @see #writeBundleSources(org.jomc.model.Module, java.io.File) |
| 150 | */ |
| 151 | public void writeBundleSources( final File sourcesDirectory ) throws ToolException |
| 152 | { |
| 153 | if ( sourcesDirectory == null ) |
| 154 | { |
| 155 | throw new NullPointerException( "sourcesDirectory" ); |
| 156 | } |
| 157 | |
| 158 | for ( Module m : this.getModules().getModule() ) |
| 159 | { |
| 160 | this.writeBundleSources( m, sourcesDirectory ); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Writes bundle sources of a given module from the modules of the instance to a given directory. |
| 166 | * |
| 167 | * @param module The module to process. |
| 168 | * @param sourcesDirectory The directory to write sources to. |
| 169 | * |
| 170 | * @throws NullPointerException if {@code module} or {@code sourcesDirectory} is {@code null}. |
| 171 | * @throws ToolException if writing fails. |
| 172 | * |
| 173 | * @see #writeBundleSources(org.jomc.model.Implementation, java.io.File) |
| 174 | */ |
| 175 | public void writeBundleSources( final Module module, final File sourcesDirectory ) throws ToolException |
| 176 | { |
| 177 | if ( module == null ) |
| 178 | { |
| 179 | throw new NullPointerException( "module" ); |
| 180 | } |
| 181 | if ( sourcesDirectory == null ) |
| 182 | { |
| 183 | throw new NullPointerException( "sourcesDirectory" ); |
| 184 | } |
| 185 | |
| 186 | if ( module.getImplementations() != null ) |
| 187 | { |
| 188 | for ( Implementation i : module.getImplementations().getImplementation() ) |
| 189 | { |
| 190 | this.writeBundleSources( i, sourcesDirectory ); |
| 191 | } |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Writes bundle sources of a given implementation from the modules of the instance to a given directory. |
| 197 | * |
| 198 | * @param implementation The implementation to process. |
| 199 | * @param sourcesDirectory The directory to write sources to. |
| 200 | * |
| 201 | * @throws NullPointerException if {@code implementation} or {@code sourcesDirectory} is {@code null}. |
| 202 | * @throws ToolException if writing fails. |
| 203 | * |
| 204 | * @see #getResourceBundleSources(org.jomc.model.Implementation) |
| 205 | */ |
| 206 | public void writeBundleSources( final Implementation implementation, final File sourcesDirectory ) |
| 207 | throws ToolException |
| 208 | { |
| 209 | if ( implementation == null ) |
| 210 | { |
| 211 | throw new NullPointerException( "implementation" ); |
| 212 | } |
| 213 | if ( sourcesDirectory == null ) |
| 214 | { |
| 215 | throw new NullPointerException( "sourcesDirectory" ); |
| 216 | } |
| 217 | |
| 218 | try |
| 219 | { |
| 220 | if ( implementation.isClassDeclaration() ) |
| 221 | { |
| 222 | this.assertValidTemplates( implementation ); |
| 223 | |
| 224 | final String bundlePath = |
| 225 | ( this.getJavaTypeName( implementation, true ) + BUNDLE_SUFFIX ).replace( '.', File.separatorChar ); |
| 226 | |
| 227 | final File bundleFile = new File( sourcesDirectory, bundlePath + ".java" ); |
| 228 | |
| 229 | if ( !bundleFile.getParentFile().exists() && !bundleFile.getParentFile().mkdirs() ) |
| 230 | { |
| 231 | throw new ToolException( getMessage( "failedCreatingDirectory", |
| 232 | bundleFile.getParentFile().getAbsolutePath() ) ); |
| 233 | |
| 234 | } |
| 235 | |
| 236 | if ( this.isLoggable( Level.INFO ) ) |
| 237 | { |
| 238 | this.log( Level.INFO, getMessage( "writing", bundleFile.getCanonicalPath() ), null ); |
| 239 | } |
| 240 | |
| 241 | FileUtils.writeStringToFile( bundleFile, this.getResourceBundleSources( implementation ), |
| 242 | this.getOutputEncoding() ); |
| 243 | |
| 244 | } |
| 245 | } |
| 246 | catch ( final IOException e ) |
| 247 | { |
| 248 | throw new ToolException( e ); |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * Writes bundle resources of the modules of the instance to a given directory. |
| 254 | * |
| 255 | * @param resourcesDirectory The directory to write resources to. |
| 256 | * |
| 257 | * @throws NullPointerException if {@code resourcesDirectory} is {@code null}. |
| 258 | * @throws ToolException if writing fails. |
| 259 | * |
| 260 | * @see #writeBundleResources(org.jomc.model.Module, java.io.File) |
| 261 | */ |
| 262 | public void writeBundleResources( final File resourcesDirectory ) throws ToolException |
| 263 | { |
| 264 | if ( resourcesDirectory == null ) |
| 265 | { |
| 266 | throw new NullPointerException( "resourcesDirectory" ); |
| 267 | } |
| 268 | |
| 269 | for ( Module m : this.getModules().getModule() ) |
| 270 | { |
| 271 | this.writeBundleResources( m, resourcesDirectory ); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | /** |
| 276 | * Writes bundle resources of a given module from the modules of the instance to a given directory. |
| 277 | * |
| 278 | * @param module The module to process. |
| 279 | * @param resourcesDirectory The directory to write resources to. |
| 280 | * |
| 281 | * @throws NullPointerException if {@code module} or {@code resourcesDirectory} is {@code null}. |
| 282 | * @throws ToolException if writing fails. |
| 283 | * |
| 284 | * @see #writeBundleResources(org.jomc.model.Implementation, java.io.File) |
| 285 | */ |
| 286 | public void writeBundleResources( final Module module, final File resourcesDirectory ) throws ToolException |
| 287 | { |
| 288 | if ( module == null ) |
| 289 | { |
| 290 | throw new NullPointerException( "module" ); |
| 291 | } |
| 292 | if ( resourcesDirectory == null ) |
| 293 | { |
| 294 | throw new NullPointerException( "resourcesDirectory" ); |
| 295 | } |
| 296 | |
| 297 | if ( module.getImplementations() != null ) |
| 298 | { |
| 299 | for ( Implementation i : module.getImplementations().getImplementation() ) |
| 300 | { |
| 301 | this.writeBundleResources( i, resourcesDirectory ); |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * Writes the bundle resources of a given implementation from the modules of the instance to a directory. |
| 308 | * |
| 309 | * @param implementation The implementation to process. |
| 310 | * @param resourcesDirectory The directory to write resources to. |
| 311 | * |
| 312 | * @throws NullPointerException if {@code implementation} or {@code resourcesDirectory} is {@code null}. |
| 313 | * @throws ToolException if writing fails. |
| 314 | * |
| 315 | * @see #getResourceBundleResources(org.jomc.model.Implementation) |
| 316 | */ |
| 317 | public void writeBundleResources( final Implementation implementation, final File resourcesDirectory ) |
| 318 | throws ToolException |
| 319 | { |
| 320 | if ( implementation == null ) |
| 321 | { |
| 322 | throw new NullPointerException( "implementation" ); |
| 323 | } |
| 324 | if ( resourcesDirectory == null ) |
| 325 | { |
| 326 | throw new NullPointerException( "resourcesDirectory" ); |
| 327 | } |
| 328 | |
| 329 | try |
| 330 | { |
| 331 | if ( implementation.isClassDeclaration() ) |
| 332 | { |
| 333 | this.assertValidTemplates( implementation ); |
| 334 | |
| 335 | final String bundlePath = |
| 336 | ( this.getJavaTypeName( implementation, true ) + BUNDLE_SUFFIX ).replace( '.', File.separatorChar ); |
| 337 | |
| 338 | Properties defProperties = null; |
| 339 | Properties fallbackProperties = null; |
| 340 | |
| 341 | for ( Map.Entry<Locale, Properties> e : this.getResourceBundleResources( implementation ).entrySet() ) |
| 342 | { |
| 343 | final String language = e.getKey().getLanguage().toLowerCase(); |
| 344 | final java.util.Properties p = e.getValue(); |
| 345 | final File file = new File( resourcesDirectory, bundlePath + "_" + language + ".properties" ); |
| 346 | |
| 347 | if ( !file.getParentFile().exists() && !file.getParentFile().mkdirs() ) |
| 348 | { |
| 349 | throw new ToolException( getMessage( "failedCreatingDirectory", |
| 350 | file.getParentFile().getAbsolutePath() ) ); |
| 351 | |
| 352 | } |
| 353 | |
| 354 | if ( this.isLoggable( Level.INFO ) ) |
| 355 | { |
| 356 | this.log( Level.INFO, getMessage( "writing", file.getCanonicalPath() ), null ); |
| 357 | } |
| 358 | |
| 359 | OutputStream out = null; |
| 360 | try |
| 361 | { |
| 362 | out = new FileOutputStream( file ); |
| 363 | p.store( out, GENERATOR_NAME + ' ' + GENERATOR_VERSION ); |
| 364 | } |
| 365 | finally |
| 366 | { |
| 367 | if ( out != null ) |
| 368 | { |
| 369 | out.close(); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | if ( this.getDefaultLocale().getLanguage().equalsIgnoreCase( language ) ) |
| 374 | { |
| 375 | defProperties = p; |
| 376 | } |
| 377 | |
| 378 | fallbackProperties = p; |
| 379 | } |
| 380 | |
| 381 | if ( defProperties == null ) |
| 382 | { |
| 383 | defProperties = fallbackProperties; |
| 384 | } |
| 385 | |
| 386 | if ( defProperties != null ) |
| 387 | { |
| 388 | final File file = new File( resourcesDirectory, bundlePath + ".properties" ); |
| 389 | if ( !file.getParentFile().exists() && !file.getParentFile().mkdirs() ) |
| 390 | { |
| 391 | throw new ToolException( getMessage( "failedCreatingDirectory", |
| 392 | file.getParentFile().getAbsolutePath() ) ); |
| 393 | |
| 394 | } |
| 395 | |
| 396 | if ( this.isLoggable( Level.INFO ) ) |
| 397 | { |
| 398 | this.log( Level.INFO, getMessage( "writing", file.getCanonicalPath() ), null ); |
| 399 | } |
| 400 | |
| 401 | OutputStream out = null; |
| 402 | try |
| 403 | { |
| 404 | out = new FileOutputStream( file ); |
| 405 | defProperties.store( out, GENERATOR_NAME + ' ' + GENERATOR_VERSION ); |
| 406 | } |
| 407 | finally |
| 408 | { |
| 409 | if ( out != null ) |
| 410 | { |
| 411 | out.close(); |
| 412 | } |
| 413 | } |
| 414 | } |
| 415 | } |
| 416 | } |
| 417 | catch ( final IOException e ) |
| 418 | { |
| 419 | throw new ToolException( e ); |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | /** |
| 424 | * Gets the source code of the Java class for accessing the resource bundle of a given implementation. |
| 425 | * |
| 426 | * @param implementation The implementation to get the source code of. |
| 427 | * |
| 428 | * @return The source code of the Java class for accessing the resource bundle of {@code implementation}. |
| 429 | * |
| 430 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 431 | * @throws ToolException if getting the source code fails. |
| 432 | */ |
| 433 | public String getResourceBundleSources( final Implementation implementation ) throws ToolException |
| 434 | { |
| 435 | if ( implementation == null ) |
| 436 | { |
| 437 | throw new NullPointerException( "implementation" ); |
| 438 | } |
| 439 | |
| 440 | try |
| 441 | { |
| 442 | final StringWriter writer = new StringWriter(); |
| 443 | final VelocityContext ctx = this.getVelocityContext(); |
| 444 | final Template template = this.getVelocityTemplate( BUNDLE_TEMPLATE ); |
| 445 | ctx.put( "implementation", implementation ); |
| 446 | ctx.put( "template", template ); |
| 447 | template.merge( ctx, writer ); |
| 448 | writer.close(); |
| 449 | return writer.toString(); |
| 450 | } |
| 451 | catch ( final IOException e ) |
| 452 | { |
| 453 | throw new ToolException( e ); |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Gets the resource bundle properties of a given implementation. |
| 459 | * |
| 460 | * @param implementation The implementation to get resource bundle properties of. |
| 461 | * |
| 462 | * @return Resource bundle properties of {@code implementation}. |
| 463 | * |
| 464 | * @throws NullPointerException if {@code implementation} is {@code null}. |
| 465 | * @throws ToolException if getting the resources fails. |
| 466 | */ |
| 467 | public Map<Locale, Properties> getResourceBundleResources( final Implementation implementation ) |
| 468 | throws ToolException |
| 469 | { |
| 470 | if ( implementation == null ) |
| 471 | { |
| 472 | throw new NullPointerException( "implementation" ); |
| 473 | } |
| 474 | |
| 475 | final Map<Locale, java.util.Properties> properties = new HashMap<Locale, java.util.Properties>( 10 ); |
| 476 | final Messages messages = this.getModules().getMessages( implementation.getIdentifier() ); |
| 477 | |
| 478 | if ( messages != null ) |
| 479 | { |
| 480 | for ( Message message : messages.getMessage() ) |
| 481 | { |
| 482 | if ( message.getTemplate() != null ) |
| 483 | { |
| 484 | for ( Text text : message.getTemplate().getText() ) |
| 485 | { |
| 486 | final Locale locale = new Locale( text.getLanguage().toLowerCase() ); |
| 487 | Properties bundleProperties = properties.get( locale ); |
| 488 | |
| 489 | if ( bundleProperties == null ) |
| 490 | { |
| 491 | bundleProperties = new Properties(); |
| 492 | properties.put( locale, bundleProperties ); |
| 493 | } |
| 494 | |
| 495 | bundleProperties.setProperty( message.getName(), text.getValue() ); |
| 496 | } |
| 497 | } |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | return properties; |
| 502 | } |
| 503 | |
| 504 | /** |
| 505 | * Gets the velocity context used for merging templates. |
| 506 | * |
| 507 | * @return The velocity context used for merging templates. |
| 508 | */ |
| 509 | @Override |
| 510 | public VelocityContext getVelocityContext() |
| 511 | { |
| 512 | final VelocityContext ctx = super.getVelocityContext(); |
| 513 | ctx.put( "classSuffix", BUNDLE_SUFFIX ); |
| 514 | ctx.put( "comment", Boolean.TRUE ); |
| 515 | return ctx; |
| 516 | } |
| 517 | |
| 518 | private void assertValidTemplates( final Implementation implementation ) |
| 519 | { |
| 520 | if ( implementation == null ) |
| 521 | { |
| 522 | throw new NullPointerException( "implementation" ); |
| 523 | } |
| 524 | |
| 525 | final Messages messages = this.getModules().getMessages( implementation.getIdentifier() ); |
| 526 | if ( messages != null ) |
| 527 | { |
| 528 | for ( Message m : messages.getMessage() ) |
| 529 | { |
| 530 | if ( m.getTemplate() != null ) |
| 531 | { |
| 532 | for ( Text t : m.getTemplate().getText() ) |
| 533 | { |
| 534 | new MessageFormat( t.getValue() ); |
| 535 | } |
| 536 | } |
| 537 | } |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | private static String getMessage( final String key, final Object... arguments ) |
| 542 | { |
| 543 | if ( key == null ) |
| 544 | { |
| 545 | throw new NullPointerException( "key" ); |
| 546 | } |
| 547 | |
| 548 | return MessageFormat.format( ResourceBundle.getBundle( JavaBundles.class.getName().replace( '.', '/' ) ). |
| 549 | getString( key ), arguments ); |
| 550 | |
| 551 | } |
| 552 | |
| 553 | } |