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: SourceFileProcessor.java 4861 2014-02-13 23:23:29Z schulte $ |
29 | * |
30 | */ |
31 | package org.jomc.tools; |
32 | |
33 | import java.io.File; |
34 | import java.io.IOException; |
35 | import java.io.RandomAccessFile; |
36 | import java.io.StringWriter; |
37 | import java.nio.ByteBuffer; |
38 | import java.nio.channels.FileChannel; |
39 | import java.nio.channels.FileLock; |
40 | import java.text.MessageFormat; |
41 | import java.util.LinkedList; |
42 | import java.util.List; |
43 | import java.util.ResourceBundle; |
44 | import java.util.logging.Level; |
45 | import org.apache.commons.lang.StringUtils; |
46 | import org.apache.velocity.Template; |
47 | import org.apache.velocity.VelocityContext; |
48 | import org.apache.velocity.exception.VelocityException; |
49 | import org.jomc.model.Implementation; |
50 | import org.jomc.model.Implementations; |
51 | import org.jomc.model.Instance; |
52 | import org.jomc.model.Module; |
53 | import org.jomc.model.Specification; |
54 | import org.jomc.tools.model.SourceFileType; |
55 | import org.jomc.tools.model.SourceFilesType; |
56 | import org.jomc.tools.model.SourceSectionType; |
57 | import org.jomc.tools.model.SourceSectionsType; |
58 | import org.jomc.util.LineEditor; |
59 | import org.jomc.util.Section; |
60 | import org.jomc.util.SectionEditor; |
61 | import org.jomc.util.TrailingWhitespaceEditor; |
62 | |
63 | /** |
64 | * Processes source code files. |
65 | * |
66 | * <p><b>Use Cases:</b><br/><ul> |
67 | * <li>{@link #manageSourceFiles(File) }</li> |
68 | * <li>{@link #manageSourceFiles(Module, File) }</li> |
69 | * <li>{@link #manageSourceFiles(Specification, File) }</li> |
70 | * <li>{@link #manageSourceFiles(Implementation, File) }</li> |
71 | * </ul></p> |
72 | * |
73 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
74 | * @version $JOMC: SourceFileProcessor.java 4861 2014-02-13 23:23:29Z schulte $ |
75 | */ |
76 | public class SourceFileProcessor extends JomcTool |
77 | { |
78 | |
79 | /** The source file editor of the instance. */ |
80 | private SourceFileProcessor.SourceFileEditor sourceFileEditor; |
81 | |
82 | /** Source files model. */ |
83 | @Deprecated |
84 | private SourceFilesType sourceFilesType; |
85 | |
86 | /** Creates a new {@code SourceFileProcessor} instance. */ |
87 | public SourceFileProcessor() |
88 | { |
89 | super(); |
90 | } |
91 | |
92 | /** |
93 | * Creates a new {@code SourceFileProcessor} instance taking a {@code SourceFileProcessor} instance to initialize |
94 | * the instance with. |
95 | * |
96 | * @param tool The instance to initialize the new instance with, |
97 | * |
98 | * @throws NullPointerException if {@code tool} is {@code null}. |
99 | * @throws IOException if copying {@code tool} fails. |
100 | */ |
101 | public SourceFileProcessor( final SourceFileProcessor tool ) throws IOException |
102 | { |
103 | super( tool ); |
104 | this.sourceFilesType = tool.sourceFilesType != null ? tool.sourceFilesType.clone() : null; |
105 | this.sourceFileEditor = tool.sourceFileEditor; |
106 | } |
107 | |
108 | /** |
109 | * Gets the source files model of the instance. |
110 | * <p>This accessor method returns a reference to the live object, not a snapshot. Therefore any modification you |
111 | * make to the returned object will be present inside the object. This is why there is no {@code set} method.</p> |
112 | * |
113 | * @return The source files model of the instance. |
114 | * |
115 | * @see #getSourceFileType(org.jomc.model.Specification) |
116 | * @see #getSourceFileType(org.jomc.model.Implementation) |
117 | * |
118 | * @deprecated As of JOMC 1.2, please add source file models to {@code Specification}s and {@code Implementation}s |
119 | * directly. This method will be removed in version 2.0. |
120 | */ |
121 | @Deprecated |
122 | public SourceFilesType getSourceFilesType() |
123 | { |
124 | if ( this.sourceFilesType == null ) |
125 | { |
126 | this.sourceFilesType = new SourceFilesType(); |
127 | } |
128 | |
129 | return this.sourceFilesType; |
130 | } |
131 | |
132 | /** |
133 | * Gets the model of a specification source file of the modules of the instance. |
134 | * |
135 | * @param specification The specification to get a source file model for. |
136 | * |
137 | * @return The source file model for {@code specification}. As of JOMC 1.2, this method returns {@code null} if no |
138 | * source file model is found. |
139 | * |
140 | * @throws NullPointerException if {@code specification} is {@code null}. |
141 | * |
142 | * @deprecated As of JOMC 1.2, please use method {@link #getSourceFilesType(org.jomc.model.Specification)}. This |
143 | * method will be removed in version 2.0. |
144 | */ |
145 | @Deprecated |
146 | public SourceFileType getSourceFileType( final Specification specification ) |
147 | { |
148 | if ( specification == null ) |
149 | { |
150 | throw new NullPointerException( "specification" ); |
151 | } |
152 | |
153 | SourceFileType sourceFileType = null; |
154 | |
155 | if ( this.getModules() != null |
156 | && this.getModules().getSpecification( specification.getIdentifier() ) != null ) |
157 | { |
158 | sourceFileType = this.getSourceFilesType().getSourceFile( specification.getIdentifier() ); |
159 | |
160 | if ( sourceFileType == null ) |
161 | { |
162 | sourceFileType = specification.getAnyObject( SourceFileType.class ); |
163 | } |
164 | } |
165 | else if ( this.isLoggable( Level.WARNING ) ) |
166 | { |
167 | this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null ); |
168 | } |
169 | |
170 | return sourceFileType; |
171 | } |
172 | |
173 | /** |
174 | * Gets the source files model of a specification of the modules of the instance. |
175 | * |
176 | * @param specification The specification to get a source files model for. |
177 | * |
178 | * @return The source files model for {@code specification} or {@code null}, if no source files model is found. |
179 | * |
180 | * @throws NullPointerException if {@code specification} is {@code null}. |
181 | * |
182 | * @since 1.2 |
183 | */ |
184 | public SourceFilesType getSourceFilesType( final Specification specification ) |
185 | { |
186 | if ( specification == null ) |
187 | { |
188 | throw new NullPointerException( "specification" ); |
189 | } |
190 | |
191 | SourceFilesType model = null; |
192 | |
193 | if ( this.getModules() != null |
194 | && this.getModules().getSpecification( specification.getIdentifier() ) != null ) |
195 | { |
196 | final SourceFileType sourceFileType = this.getSourceFileType( specification ); |
197 | |
198 | if ( sourceFileType != null ) |
199 | { |
200 | model = new SourceFilesType(); |
201 | model.getSourceFile().add( sourceFileType ); |
202 | } |
203 | else |
204 | { |
205 | model = specification.getAnyObject( SourceFilesType.class ); |
206 | } |
207 | } |
208 | else if ( this.isLoggable( Level.WARNING ) ) |
209 | { |
210 | this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null ); |
211 | } |
212 | |
213 | return model; |
214 | } |
215 | |
216 | /** |
217 | * Gets the model of an implementation source file of the modules of the instance. |
218 | * |
219 | * @param implementation The implementation to get a source file model for. |
220 | * |
221 | * @return The source file model for {@code implementation}. As of JOMC 1.2, this method returns {@code null} if no |
222 | * source file model is found. |
223 | * |
224 | * @throws NullPointerException if {@code implementation} is {@code null}. |
225 | * |
226 | * @deprecated As of JOMC 1.2, please use method {@link #getSourceFilesType(org.jomc.model.Implementation)}. This |
227 | * method will be removed in version 2.0. |
228 | */ |
229 | @Deprecated |
230 | public SourceFileType getSourceFileType( final Implementation implementation ) |
231 | { |
232 | if ( implementation == null ) |
233 | { |
234 | throw new NullPointerException( "implementation" ); |
235 | } |
236 | |
237 | SourceFileType sourceFileType = null; |
238 | |
239 | if ( this.getModules() != null |
240 | && this.getModules().getImplementation( implementation.getIdentifier() ) != null ) |
241 | { |
242 | sourceFileType = this.getSourceFilesType().getSourceFile( implementation.getIdentifier() ); |
243 | |
244 | if ( sourceFileType == null ) |
245 | { |
246 | sourceFileType = implementation.getAnyObject( SourceFileType.class ); |
247 | } |
248 | } |
249 | else if ( this.isLoggable( Level.WARNING ) ) |
250 | { |
251 | this.log( Level.WARNING, getMessage( "implementationNotFound", implementation.getIdentifier() ), null ); |
252 | } |
253 | |
254 | return sourceFileType; |
255 | } |
256 | |
257 | /** |
258 | * Gets the source files model of an implementation of the modules of the instance. |
259 | * |
260 | * @param implementation The implementation to get a source files model for. |
261 | * |
262 | * @return The source files model for {@code implementation} or {@code null}, if no source files model is found. |
263 | * |
264 | * @throws NullPointerException if {@code implementation} is {@code null}. |
265 | * |
266 | * @since 1.2 |
267 | */ |
268 | public SourceFilesType getSourceFilesType( final Implementation implementation ) |
269 | { |
270 | if ( implementation == null ) |
271 | { |
272 | throw new NullPointerException( "implementation" ); |
273 | } |
274 | |
275 | SourceFilesType model = null; |
276 | |
277 | if ( this.getModules() != null |
278 | && this.getModules().getImplementation( implementation.getIdentifier() ) != null ) |
279 | { |
280 | final SourceFileType sourceFileType = this.getSourceFileType( implementation ); |
281 | |
282 | if ( sourceFileType != null ) |
283 | { |
284 | model = new SourceFilesType(); |
285 | model.getSourceFile().add( sourceFileType ); |
286 | } |
287 | else |
288 | { |
289 | final Instance instance = this.getModules().getInstance( implementation.getIdentifier() ); |
290 | assert instance != null : "Instance '" + implementation.getIdentifier() + "' not found."; |
291 | model = instance.getAnyObject( SourceFilesType.class ); |
292 | } |
293 | } |
294 | else if ( this.isLoggable( Level.WARNING ) ) |
295 | { |
296 | this.log( Level.WARNING, getMessage( "implementationNotFound", implementation.getIdentifier() ), null ); |
297 | } |
298 | |
299 | return model; |
300 | } |
301 | |
302 | /** |
303 | * Gets the source file editor of the instance. |
304 | * |
305 | * @return The source file editor of the instance. |
306 | * |
307 | * @since 1.2 |
308 | * |
309 | * @see #setSourceFileEditor(org.jomc.tools.SourceFileProcessor.SourceFileEditor) |
310 | */ |
311 | public final SourceFileProcessor.SourceFileEditor getSourceFileEditor() |
312 | { |
313 | if ( this.sourceFileEditor == null ) |
314 | { |
315 | this.sourceFileEditor = |
316 | new SourceFileProcessor.SourceFileEditor( new TrailingWhitespaceEditor( this.getLineSeparator() ), |
317 | this.getLineSeparator() ); |
318 | |
319 | } |
320 | |
321 | return this.sourceFileEditor; |
322 | } |
323 | |
324 | /** |
325 | * Sets the source file editor of the instance. |
326 | * |
327 | * @param value The new source file editor of the instance or {@code null}. |
328 | * |
329 | * @since 1.2 |
330 | * |
331 | * @see #getSourceFileEditor() |
332 | */ |
333 | public final void setSourceFileEditor( final SourceFileProcessor.SourceFileEditor value ) |
334 | { |
335 | this.sourceFileEditor = value; |
336 | } |
337 | |
338 | /** |
339 | * Gets a new editor for editing the source file of a given specification of the modules of the instance. |
340 | * |
341 | * @param specification The specification whose source file to edit. |
342 | * |
343 | * @return A new editor for editing the source file of {@code specification}. |
344 | * |
345 | * @throws NullPointerException if {@code specification} is {@code null}. |
346 | * |
347 | * @deprecated As of JOMC 1.2, please use method {@link #getSourceFileEditor()}. This method will be removed in |
348 | * version 2.0. |
349 | * |
350 | * @see SourceFileEditor#edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File) |
351 | */ |
352 | @Deprecated |
353 | public SourceFileProcessor.SourceFileEditor getSourceFileEditor( final Specification specification ) |
354 | { |
355 | if ( specification == null ) |
356 | { |
357 | throw new NullPointerException( "specification" ); |
358 | } |
359 | |
360 | return this.getSourceFileEditor(); |
361 | } |
362 | |
363 | /** |
364 | * Gets a new editor for editing the source file of a given implementation of the modules of the instance. |
365 | * |
366 | * @param implementation The implementation whose source file to edit. |
367 | * |
368 | * @return A new editor for editing the source file of {@code implementation}. |
369 | * |
370 | * @throws NullPointerException if {@code implementation} is {@code null}. |
371 | * |
372 | * @deprecated As of JOMC 1.2, please use method {@link #getSourceFileEditor()}. This method will be removed in |
373 | * version 2.0. |
374 | * |
375 | * @see SourceFileEditor#edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File) |
376 | */ |
377 | @Deprecated |
378 | public SourceFileProcessor.SourceFileEditor getSourceFileEditor( final Implementation implementation ) |
379 | { |
380 | if ( implementation == null ) |
381 | { |
382 | throw new NullPointerException( "implementation" ); |
383 | } |
384 | |
385 | return this.getSourceFileEditor(); |
386 | } |
387 | |
388 | /** |
389 | * Manages the source files of the modules of the instance. |
390 | * |
391 | * @param sourcesDirectory The directory holding the source files to manage. |
392 | * |
393 | * @throws NullPointerException if {@code sourcesDirectory} is {@code null}. |
394 | * @throws IOException if managing source files fails. |
395 | * |
396 | * @see #manageSourceFiles(org.jomc.model.Module, java.io.File) |
397 | */ |
398 | public void manageSourceFiles( final File sourcesDirectory ) throws IOException |
399 | { |
400 | if ( sourcesDirectory == null ) |
401 | { |
402 | throw new NullPointerException( "sourcesDirectory" ); |
403 | } |
404 | |
405 | if ( this.getModules() != null ) |
406 | { |
407 | for ( int i = this.getModules().getModule().size() - 1; i >= 0; i-- ) |
408 | { |
409 | this.manageSourceFiles( this.getModules().getModule().get( i ), sourcesDirectory ); |
410 | } |
411 | } |
412 | else if ( this.isLoggable( Level.WARNING ) ) |
413 | { |
414 | this.log( Level.WARNING, getMessage( "modulesNotFound", this.getModel().getIdentifier() ), null ); |
415 | } |
416 | } |
417 | |
418 | /** |
419 | * Manages the source files of a given module of the modules of the instance. |
420 | * |
421 | * @param module The module to process. |
422 | * @param sourcesDirectory The directory holding the source files to manage. |
423 | * |
424 | * @throws NullPointerException if {@code module} or {@code sourcesDirectory} is {@code null}. |
425 | * @throws IOException if managing source files fails. |
426 | * |
427 | * @see #manageSourceFiles(org.jomc.model.Specification, java.io.File) |
428 | * @see #manageSourceFiles(org.jomc.model.Implementation, java.io.File) |
429 | */ |
430 | public void manageSourceFiles( final Module module, final File sourcesDirectory ) throws IOException |
431 | { |
432 | if ( module == null ) |
433 | { |
434 | throw new NullPointerException( "module" ); |
435 | } |
436 | if ( sourcesDirectory == null ) |
437 | { |
438 | throw new NullPointerException( "sourcesDirectory" ); |
439 | } |
440 | |
441 | if ( this.getModules() != null && this.getModules().getModule( module.getName() ) != null ) |
442 | { |
443 | if ( module.getSpecifications() != null ) |
444 | { |
445 | for ( int i = 0, s0 = module.getSpecifications().getSpecification().size(); i < s0; i++ ) |
446 | { |
447 | this.manageSourceFiles( module.getSpecifications().getSpecification().get( i ), sourcesDirectory ); |
448 | } |
449 | } |
450 | if ( module.getImplementations() != null ) |
451 | { |
452 | for ( int i = 0, s0 = module.getImplementations().getImplementation().size(); i < s0; i++ ) |
453 | { |
454 | this.manageSourceFiles( module.getImplementations().getImplementation().get( i ), sourcesDirectory ); |
455 | } |
456 | } |
457 | } |
458 | else if ( this.isLoggable( Level.WARNING ) ) |
459 | { |
460 | this.log( Level.WARNING, getMessage( "moduleNotFound", module.getName() ), null ); |
461 | } |
462 | } |
463 | |
464 | /** |
465 | * Manages the source files of a given specification of the modules of the instance. |
466 | * |
467 | * @param specification The specification to process. |
468 | * @param sourcesDirectory The directory holding the source files to manage. |
469 | * |
470 | * @throws NullPointerException if {@code specification} or {@code sourcesDirectory} is {@code null}. |
471 | * @throws IOException if managing source files fails. |
472 | * |
473 | * @see #getSourceFileEditor() |
474 | * @see #getSourceFilesType(org.jomc.model.Specification) |
475 | */ |
476 | public void manageSourceFiles( final Specification specification, final File sourcesDirectory ) throws IOException |
477 | { |
478 | if ( specification == null ) |
479 | { |
480 | throw new NullPointerException( "specification" ); |
481 | } |
482 | if ( sourcesDirectory == null ) |
483 | { |
484 | throw new NullPointerException( "sourcesDirectory" ); |
485 | } |
486 | |
487 | if ( this.getModules() != null |
488 | && this.getModules().getSpecification( specification.getIdentifier() ) != null ) |
489 | { |
490 | if ( specification.isClassDeclaration() ) |
491 | { |
492 | boolean manage = true; |
493 | final Implementations implementations = this.getModules().getImplementations(); |
494 | |
495 | if ( implementations != null ) |
496 | { |
497 | for ( int i = 0, s0 = implementations.getImplementation().size(); i < s0; i++ ) |
498 | { |
499 | final Implementation impl = implementations.getImplementation().get( i ); |
500 | |
501 | if ( impl.isClassDeclaration() && specification.getClazz().equals( impl.getClazz() ) ) |
502 | { |
503 | this.manageSourceFiles( impl, sourcesDirectory ); |
504 | manage = false; |
505 | break; |
506 | } |
507 | } |
508 | } |
509 | |
510 | if ( manage ) |
511 | { |
512 | final SourceFilesType model = this.getSourceFilesType( specification ); |
513 | |
514 | if ( model != null ) |
515 | { |
516 | for ( int i = 0, s0 = model.getSourceFile().size(); i < s0; i++ ) |
517 | { |
518 | this.getSourceFileEditor().edit( |
519 | specification, model.getSourceFile().get( i ), sourcesDirectory ); |
520 | |
521 | } |
522 | } |
523 | } |
524 | } |
525 | } |
526 | else if ( this.isLoggable( Level.WARNING ) ) |
527 | { |
528 | this.log( Level.WARNING, getMessage( "specificationNotFound", specification.getIdentifier() ), null ); |
529 | } |
530 | } |
531 | |
532 | /** |
533 | * Manages the source files of a given implementation of the modules of the instance. |
534 | * |
535 | * @param implementation The implementation to process. |
536 | * @param sourcesDirectory The directory holding the source files to manage. |
537 | * |
538 | * @throws NullPointerException if {@code implementation} or {@code sourcesDirectory} is {@code null}. |
539 | * @throws IOException if managing source files fails. |
540 | * |
541 | * @see #getSourceFileEditor() |
542 | * @see #getSourceFilesType(org.jomc.model.Implementation) |
543 | */ |
544 | public void manageSourceFiles( final Implementation implementation, final File sourcesDirectory ) |
545 | throws IOException |
546 | { |
547 | if ( implementation == null ) |
548 | { |
549 | throw new NullPointerException( "implementation" ); |
550 | } |
551 | if ( sourcesDirectory == null ) |
552 | { |
553 | throw new NullPointerException( "sourcesDirectory" ); |
554 | } |
555 | |
556 | if ( this.getModules() != null |
557 | && this.getModules().getImplementation( implementation.getIdentifier() ) != null ) |
558 | { |
559 | if ( implementation.isClassDeclaration() ) |
560 | { |
561 | final SourceFilesType model = this.getSourceFilesType( implementation ); |
562 | |
563 | if ( model != null ) |
564 | { |
565 | for ( int i = 0, s0 = model.getSourceFile().size(); i < s0; i++ ) |
566 | { |
567 | this.getSourceFileEditor().edit( |
568 | implementation, model.getSourceFile().get( i ), sourcesDirectory ); |
569 | |
570 | } |
571 | } |
572 | } |
573 | } |
574 | else if ( this.isLoggable( Level.WARNING ) ) |
575 | { |
576 | this.log( Level.WARNING, getMessage( "implementationNotFound", implementation.getIdentifier() ), null ); |
577 | } |
578 | } |
579 | |
580 | private static String getMessage( final String key, final Object... arguments ) |
581 | { |
582 | if ( key == null ) |
583 | { |
584 | throw new NullPointerException( "key" ); |
585 | } |
586 | |
587 | return MessageFormat.format( ResourceBundle.getBundle( |
588 | SourceFileProcessor.class.getName().replace( '.', '/' ) ).getString( key ), arguments ); |
589 | |
590 | } |
591 | |
592 | private static String getMessage( final Throwable t ) |
593 | { |
594 | return t != null |
595 | ? t.getMessage() != null && t.getMessage().trim().length() > 0 |
596 | ? t.getMessage() |
597 | : getMessage( t.getCause() ) |
598 | : null; |
599 | |
600 | } |
601 | |
602 | /** |
603 | * Extension to {@code SectionEditor} adding support for editing source code files. |
604 | * |
605 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
606 | * @version $JOMC: SourceFileProcessor.java 4861 2014-02-13 23:23:29Z schulte $ |
607 | * |
608 | * @see #edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File) |
609 | * @see #edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File) |
610 | */ |
611 | public class SourceFileEditor extends SectionEditor |
612 | { |
613 | |
614 | /** {@code Specification} of the instance or {@code null}. */ |
615 | private Specification specification; |
616 | |
617 | /** {@code Implementation} of the instance or {@code null}. */ |
618 | private Implementation implementation; |
619 | |
620 | /** The source code file to edit. */ |
621 | private SourceFileType sourceFileType; |
622 | |
623 | /** The {@code VelocityContext} of the instance. */ |
624 | private VelocityContext velocityContext; |
625 | |
626 | /** List of sections added to the input. */ |
627 | @Deprecated |
628 | private List<Section> addedSections; |
629 | |
630 | /** List of sections without corresponding model entry. */ |
631 | @Deprecated |
632 | private List<Section> unknownSections; |
633 | |
634 | /** |
635 | * Creates a new {@code SourceFileEditor} instance. |
636 | * |
637 | * @since 1.2 |
638 | */ |
639 | public SourceFileEditor() |
640 | { |
641 | this( (LineEditor) null, (String) null ); |
642 | } |
643 | |
644 | /** |
645 | * Creates a new {@code SourceFileEditor} instance taking a string to use for separating lines. |
646 | * |
647 | * @param lineSeparator String to use for separating lines. |
648 | * |
649 | * @since 1.2 |
650 | */ |
651 | public SourceFileEditor( final String lineSeparator ) |
652 | { |
653 | this( (LineEditor) null, lineSeparator ); |
654 | } |
655 | |
656 | /** |
657 | * Creates a new {@code SourceFileEditor} instance taking an editor to chain. |
658 | * |
659 | * @param editor The editor to chain. |
660 | * |
661 | * @since 1.2 |
662 | */ |
663 | public SourceFileEditor( final LineEditor editor ) |
664 | { |
665 | this( editor, null ); |
666 | } |
667 | |
668 | /** |
669 | * Creates a new {@code SourceFileEditor} instance taking an editor to chain and a string to use for separating |
670 | * lines. |
671 | * |
672 | * @param editor The editor to chain. |
673 | * @param lineSeparator String to use for separating lines. |
674 | * |
675 | * @since 1.2 |
676 | */ |
677 | public SourceFileEditor( final LineEditor editor, final String lineSeparator ) |
678 | { |
679 | super( editor, lineSeparator ); |
680 | } |
681 | |
682 | /** |
683 | * Creates a new {@code SourceFileEditor} taking a {@code Specification} to edit source code of. |
684 | * |
685 | * @param specification The specification to edit source code of. |
686 | * |
687 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File)}. |
688 | * This constructor will be removed in version 2.0. |
689 | */ |
690 | @Deprecated |
691 | public SourceFileEditor( final Specification specification ) |
692 | { |
693 | this( specification, null, null ); |
694 | } |
695 | |
696 | /** |
697 | * Creates a new {@code SourceFileEditor} taking a {@code Specification} to edit source code of and a line |
698 | * separator. |
699 | * |
700 | * @param specification The specification to edit source code of. |
701 | * @param lineSeparator The line separator of the editor. |
702 | * |
703 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File)}. |
704 | * This constructor will be removed in version 2.0. |
705 | */ |
706 | @Deprecated |
707 | public SourceFileEditor( final Specification specification, final String lineSeparator ) |
708 | { |
709 | this( specification, null, lineSeparator ); |
710 | } |
711 | |
712 | /** |
713 | * Creates a new {@code SourceFileEditor} taking a {@code Specification} to edit source code of and an editor to |
714 | * chain. |
715 | * |
716 | * @param specification The specification backing the editor. |
717 | * @param lineEditor The editor to chain. |
718 | * |
719 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File)}. |
720 | * This constructor will be removed in version 2.0. |
721 | */ |
722 | @Deprecated |
723 | public SourceFileEditor( final Specification specification, final LineEditor lineEditor ) |
724 | { |
725 | this( specification, lineEditor, null ); |
726 | } |
727 | |
728 | /** |
729 | * Creates a new {@code SourceFileEditor} taking a {@code Specification} to edit source code of, an editor to |
730 | * chain and a line separator. |
731 | * |
732 | * @param specification The specification backing the editor. |
733 | * @param lineEditor The editor to chain. |
734 | * @param lineSeparator The line separator of the editor. |
735 | * |
736 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Specification, org.jomc.tools.model.SourceFileType, java.io.File)}. |
737 | * This constructor will be removed in version 2.0. |
738 | */ |
739 | @Deprecated |
740 | public SourceFileEditor( final Specification specification, final LineEditor lineEditor, |
741 | final String lineSeparator ) |
742 | { |
743 | super( lineEditor, lineSeparator ); |
744 | this.specification = specification; |
745 | this.implementation = null; |
746 | |
747 | assert getModules().getSpecification( specification.getIdentifier() ) != null : |
748 | "Specification '" + specification.getIdentifier() + "' not found."; |
749 | |
750 | } |
751 | |
752 | /** |
753 | * Creates a new {@code SourceFileEditor} taking an {@code Implementation} to edit source code of. |
754 | * |
755 | * @param implementation The implementation to edit source code of. |
756 | * |
757 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File)}. |
758 | * This constructor will be removed in version 2.0. |
759 | */ |
760 | @Deprecated |
761 | public SourceFileEditor( final Implementation implementation ) |
762 | { |
763 | this( implementation, null, null ); |
764 | } |
765 | |
766 | /** |
767 | * Creates a new {@code SourceFileEditor} taking an {@code Implementation} to edit source code of and a line |
768 | * separator. |
769 | * |
770 | * @param implementation The implementation to edit source code of. |
771 | * @param lineSeparator The line separator of the editor. |
772 | * |
773 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File)}. |
774 | * This constructor will be removed in version 2.0. |
775 | */ |
776 | @Deprecated |
777 | public SourceFileEditor( final Implementation implementation, final String lineSeparator ) |
778 | { |
779 | this( implementation, null, lineSeparator ); |
780 | } |
781 | |
782 | /** |
783 | * Creates a new {@code SourceFileEditor} taking an {@code Implementation} to edit source code of and an editor |
784 | * to chain. |
785 | * |
786 | * @param implementation The implementation to edit source code of. |
787 | * @param lineEditor The editor to chain. |
788 | * |
789 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File)}. |
790 | * This constructor will be removed in version 2.0. |
791 | */ |
792 | @Deprecated |
793 | public SourceFileEditor( final Implementation implementation, final LineEditor lineEditor ) |
794 | { |
795 | this( implementation, lineEditor, null ); |
796 | } |
797 | |
798 | /** |
799 | * Creates a new {@code SourceFileEditor} taking an {@code Implementation} to edit source code of, an editor |
800 | * to chain and a line separator. |
801 | * |
802 | * @param implementation The implementation to edit source code of. |
803 | * @param lineEditor The editor to chain. |
804 | * @param lineSeparator The line separator of the editor. |
805 | * |
806 | * @deprecated As of JOMC 1.2, please use method {@link #edit(org.jomc.model.Implementation, org.jomc.tools.model.SourceFileType, java.io.File)}. |
807 | * This constructor will be removed in version 2.0. |
808 | */ |
809 | @Deprecated |
810 | public SourceFileEditor( final Implementation implementation, final LineEditor lineEditor, |
811 | final String lineSeparator ) |
812 | { |
813 | super( lineEditor, lineSeparator ); |
814 | this.implementation = implementation; |
815 | this.specification = null; |
816 | |
817 | assert getModules().getImplementation( implementation.getIdentifier() ) != null : |
818 | "Implementation '" + implementation.getIdentifier() + "' not found."; |
819 | |
820 | } |
821 | |
822 | /** |
823 | * Edits a source file of a given specification. |
824 | * |
825 | * @param specification The specification to edit a source file of. |
826 | * @param sourceFileType The model of the source file to edit. |
827 | * @param sourcesDirectory The directory holding the source file to edit. |
828 | * |
829 | * @throws NullPointerException if {@code specification}, {@code sourceFileType} or {@code sourcesDirectory} is |
830 | * {@code null}. |
831 | * @throws IOException if editing fails. |
832 | * |
833 | * @since 1.2 |
834 | */ |
835 | public final void edit( final Specification specification, final SourceFileType sourceFileType, |
836 | final File sourcesDirectory ) throws IOException |
837 | { |
838 | if ( specification == null ) |
839 | { |
840 | throw new NullPointerException( "specification" ); |
841 | } |
842 | if ( sourceFileType == null ) |
843 | { |
844 | throw new NullPointerException( "sourceFileType" ); |
845 | } |
846 | if ( sourcesDirectory == null ) |
847 | { |
848 | throw new NullPointerException( "sourcesDirectory" ); |
849 | } |
850 | |
851 | try |
852 | { |
853 | if ( getModules() != null |
854 | && getModules().getSpecification( specification.getIdentifier() ) != null ) |
855 | { |
856 | this.specification = specification; |
857 | this.sourceFileType = sourceFileType; |
858 | this.velocityContext = SourceFileProcessor.this.getVelocityContext(); |
859 | this.velocityContext.put( "specification", specification ); |
860 | this.velocityContext.put( "smodel", sourceFileType ); |
861 | |
862 | this.editSourceFile( sourcesDirectory ); |
863 | } |
864 | else |
865 | { |
866 | throw new IOException( getMessage( "specificationNotFound", specification.getIdentifier() ) ); |
867 | } |
868 | } |
869 | finally |
870 | { |
871 | this.specification = null; |
872 | this.implementation = null; |
873 | this.sourceFileType = null; |
874 | this.velocityContext = null; |
875 | } |
876 | } |
877 | |
878 | /** |
879 | * Edits a source file of a given implementation. |
880 | * |
881 | * @param implementation The implementation to edit a source file of. |
882 | * @param sourceFileType The model of the source file to edit. |
883 | * @param sourcesDirectory The directory holding the source file to edit. |
884 | * |
885 | * @throws NullPointerException if {@code implementation}, {@code sourceFileType} or {@code sourcesDirectory} is |
886 | * {@code null}. |
887 | * @throws IOException if editing fails. |
888 | * |
889 | * @since 1.2 |
890 | */ |
891 | public final void edit( final Implementation implementation, final SourceFileType sourceFileType, |
892 | final File sourcesDirectory ) throws IOException |
893 | { |
894 | if ( implementation == null ) |
895 | { |
896 | throw new NullPointerException( "implementation" ); |
897 | } |
898 | if ( sourceFileType == null ) |
899 | { |
900 | throw new NullPointerException( "sourceFileType" ); |
901 | } |
902 | if ( sourcesDirectory == null ) |
903 | { |
904 | throw new NullPointerException( "sourcesDirectory" ); |
905 | } |
906 | |
907 | try |
908 | { |
909 | if ( getModules() != null |
910 | && getModules().getImplementation( implementation.getIdentifier() ) != null ) |
911 | { |
912 | this.implementation = implementation; |
913 | this.sourceFileType = sourceFileType; |
914 | this.velocityContext = SourceFileProcessor.this.getVelocityContext(); |
915 | this.velocityContext.put( "implementation", implementation ); |
916 | this.velocityContext.put( "smodel", sourceFileType ); |
917 | |
918 | this.editSourceFile( sourcesDirectory ); |
919 | } |
920 | else |
921 | { |
922 | throw new IOException( getMessage( "implementationNotFound", implementation.getIdentifier() ) ); |
923 | } |
924 | } |
925 | finally |
926 | { |
927 | this.specification = null; |
928 | this.implementation = null; |
929 | this.sourceFileType = null; |
930 | this.velocityContext = null; |
931 | } |
932 | } |
933 | |
934 | /** |
935 | * Gets a list of sections added to the input. |
936 | * <p>This accessor method returns a reference to the live list, not a snapshot. Therefore any modification you |
937 | * make to the returned list will be present inside the object. This is why there is no {@code set} method |
938 | * for the added sections property.</p> |
939 | * |
940 | * @return A list of sections added to the input. |
941 | * |
942 | * @deprecated As of JOMC 1.2, deprecated without replacement. This method will be removed in version 2.0. |
943 | */ |
944 | @Deprecated |
945 | public List<Section> getAddedSections() |
946 | { |
947 | if ( this.addedSections == null ) |
948 | { |
949 | this.addedSections = new LinkedList<Section>(); |
950 | } |
951 | |
952 | return this.addedSections; |
953 | } |
954 | |
955 | /** |
956 | * Gets a list of sections without corresponding model entry. |
957 | * <p>This accessor method returns a reference to the live list, not a snapshot. Therefore any modification you |
958 | * make to the returned list will be present inside the object. This is why there is no {@code set} method |
959 | * for the unknown sections property.</p> |
960 | * |
961 | * @return A list of sections without corresponding model entry. |
962 | * |
963 | * @deprecated As of JOMC 1.2, deprecated without replacement. This method will be removed in version 2.0. |
964 | */ |
965 | @Deprecated |
966 | public List<Section> getUnknownSections() |
967 | { |
968 | if ( this.unknownSections == null ) |
969 | { |
970 | this.unknownSections = new LinkedList<Section>(); |
971 | } |
972 | |
973 | return this.unknownSections; |
974 | } |
975 | |
976 | /** |
977 | * Gets the currently edited source code file. |
978 | * |
979 | * @return The currently edited source code file. |
980 | * |
981 | * @deprecated As of JOMC 1.2, deprecated without replacement. This method will be removed in version 2.0. |
982 | */ |
983 | @Deprecated |
984 | protected SourceFileType getSourceFileType() |
985 | { |
986 | if ( this.sourceFileType == null ) |
987 | { |
988 | if ( this.specification != null ) |
989 | { |
990 | return SourceFileProcessor.this.getSourceFileType( this.specification ); |
991 | } |
992 | |
993 | if ( this.implementation != null ) |
994 | { |
995 | return SourceFileProcessor.this.getSourceFileType( this.implementation ); |
996 | } |
997 | } |
998 | |
999 | return this.sourceFileType; |
1000 | } |
1001 | |
1002 | /** |
1003 | * Gets a new velocity context used for merging templates. |
1004 | * |
1005 | * @return A new velocity context used for merging templates. |
1006 | * |
1007 | * @throws IOException if creating a new context instance fails. |
1008 | * |
1009 | * @deprecated As of JOMC 1.2, deprecated without replacement. This method will be removed in version 2.0. |
1010 | */ |
1011 | @Deprecated |
1012 | protected VelocityContext getVelocityContext() throws IOException |
1013 | { |
1014 | if ( this.velocityContext == null ) |
1015 | { |
1016 | final VelocityContext ctx = SourceFileProcessor.this.getVelocityContext(); |
1017 | |
1018 | if ( this.specification != null ) |
1019 | { |
1020 | ctx.put( "specification", this.specification ); |
1021 | } |
1022 | |
1023 | if ( this.implementation != null ) |
1024 | { |
1025 | ctx.put( "implementation", this.implementation ); |
1026 | } |
1027 | |
1028 | return ctx; |
1029 | } |
1030 | |
1031 | return this.velocityContext; |
1032 | } |
1033 | |
1034 | /** |
1035 | * {@inheritDoc} |
1036 | * <p>This method creates any sections declared in the model of the source file as returned by method |
1037 | * {@code getSourceFileType} prior to rendering the output of the editor.</p> |
1038 | * |
1039 | * @param section The section to start rendering the editor's output with. |
1040 | * |
1041 | * @see #createSection(java.lang.String, java.lang.String, org.jomc.tools.model.SourceSectionType) |
1042 | */ |
1043 | @Override |
1044 | protected String getOutput( final Section section ) throws IOException |
1045 | { |
1046 | this.getAddedSections().clear(); |
1047 | this.getUnknownSections().clear(); |
1048 | |
1049 | final SourceFileType model = this.getSourceFileType(); |
1050 | |
1051 | if ( model != null ) |
1052 | { |
1053 | this.createSections( model, model.getSourceSections(), section ); |
1054 | } |
1055 | |
1056 | return super.getOutput( section ); |
1057 | } |
1058 | |
1059 | /** |
1060 | * {@inheritDoc} |
1061 | * <p>This method searches the model of the source file for a section matching {@code s} and updates properties |
1062 | * {@code headContent} and {@code tailContent} of {@code s} according to the templates declared in the model |
1063 | * as returned by method {@code getSourceFileType}.</p> |
1064 | * |
1065 | * @param s The section to edit. |
1066 | */ |
1067 | @Override |
1068 | protected void editSection( final Section s ) throws IOException |
1069 | { |
1070 | try |
1071 | { |
1072 | super.editSection( s ); |
1073 | |
1074 | final SourceFileType model = this.getSourceFileType(); |
1075 | |
1076 | if ( s.getName() != null && model != null && model.getSourceSections() != null ) |
1077 | { |
1078 | final SourceSectionType sourceSectionType = |
1079 | model.getSourceSections().getSourceSection( s.getName() ); |
1080 | |
1081 | if ( sourceSectionType != null ) |
1082 | { |
1083 | if ( s.getStartingLine() != null ) |
1084 | { |
1085 | s.setStartingLine( getIndentation( sourceSectionType.getIndentationLevel() ) |
1086 | + s.getStartingLine().trim() ); |
1087 | |
1088 | } |
1089 | if ( s.getEndingLine() != null ) |
1090 | { |
1091 | s.setEndingLine( getIndentation( sourceSectionType.getIndentationLevel() ) |
1092 | + s.getEndingLine().trim() ); |
1093 | |
1094 | } |
1095 | |
1096 | if ( sourceSectionType.getHeadTemplate() != null |
1097 | && ( !sourceSectionType.isEditable() |
1098 | || s.getHeadContent().toString().trim().length() == 0 ) ) |
1099 | { |
1100 | final StringWriter writer = new StringWriter(); |
1101 | final Template template = getVelocityTemplate( sourceSectionType.getHeadTemplate() ); |
1102 | final VelocityContext ctx = getVelocityContext(); |
1103 | ctx.put( "template", template ); |
1104 | ctx.put( "ssection", sourceSectionType ); |
1105 | template.merge( ctx, writer ); |
1106 | writer.close(); |
1107 | s.getHeadContent().setLength( 0 ); |
1108 | s.getHeadContent().append( writer.toString() ); |
1109 | ctx.remove( "template" ); |
1110 | ctx.remove( "ssection" ); |
1111 | } |
1112 | |
1113 | if ( sourceSectionType.getTailTemplate() != null |
1114 | && ( !sourceSectionType.isEditable() |
1115 | || s.getTailContent().toString().trim().length() == 0 ) ) |
1116 | { |
1117 | final StringWriter writer = new StringWriter(); |
1118 | final Template template = getVelocityTemplate( sourceSectionType.getTailTemplate() ); |
1119 | final VelocityContext ctx = getVelocityContext(); |
1120 | ctx.put( "template", template ); |
1121 | ctx.put( "ssection", sourceSectionType ); |
1122 | template.merge( ctx, writer ); |
1123 | writer.close(); |
1124 | s.getTailContent().setLength( 0 ); |
1125 | s.getTailContent().append( writer.toString() ); |
1126 | ctx.remove( "template" ); |
1127 | ctx.remove( "ssection" ); |
1128 | } |
1129 | } |
1130 | else |
1131 | { |
1132 | if ( isLoggable( Level.WARNING ) ) |
1133 | { |
1134 | if ( this.implementation != null ) |
1135 | { |
1136 | log( Level.WARNING, getMessage( |
1137 | "unknownImplementationSection", this.implementation.getIdentifier(), |
1138 | model.getIdentifier(), s.getName() ), null ); |
1139 | |
1140 | } |
1141 | else if ( this.specification != null ) |
1142 | { |
1143 | log( Level.WARNING, getMessage( |
1144 | "unknownSpecificationSection", this.specification.getIdentifier(), |
1145 | model.getIdentifier(), s.getName() ), null ); |
1146 | |
1147 | } |
1148 | } |
1149 | |
1150 | this.getUnknownSections().add( s ); |
1151 | } |
1152 | } |
1153 | } |
1154 | catch ( final VelocityException e ) |
1155 | { |
1156 | // JDK: As of JDK 6, "new IOException( message, cause )". |
1157 | throw (IOException) new IOException( getMessage( e ) ).initCause( e ); |
1158 | } |
1159 | } |
1160 | |
1161 | private void createSections( final SourceFileType sourceFileType, final SourceSectionsType sourceSectionsType, |
1162 | final Section section ) throws IOException |
1163 | { |
1164 | if ( sourceSectionsType != null && section != null ) |
1165 | { |
1166 | for ( int i = 0, s0 = sourceSectionsType.getSourceSection().size(); i < s0; i++ ) |
1167 | { |
1168 | final SourceSectionType sourceSectionType = sourceSectionsType.getSourceSection().get( i ); |
1169 | Section childSection = section.getSection( sourceSectionType.getName() ); |
1170 | |
1171 | if ( childSection == null && !sourceSectionType.isOptional() ) |
1172 | { |
1173 | childSection = this.createSection( StringUtils.defaultString( sourceFileType.getHeadComment() ), |
1174 | StringUtils.defaultString( sourceFileType.getTailComment() ), |
1175 | sourceSectionType ); |
1176 | |
1177 | section.getSections().add( childSection ); |
1178 | |
1179 | if ( isLoggable( Level.FINE ) ) |
1180 | { |
1181 | log( Level.FINE, getMessage( |
1182 | "addedSection", sourceFileType.getIdentifier(), childSection.getName() ), null ); |
1183 | |
1184 | } |
1185 | |
1186 | this.getAddedSections().add( childSection ); |
1187 | } |
1188 | |
1189 | this.createSections( sourceFileType, sourceSectionType.getSourceSections(), childSection ); |
1190 | } |
1191 | } |
1192 | } |
1193 | |
1194 | /** |
1195 | * Creates a new {@code Section} instance for a given {@code SourceSectionType}. |
1196 | * |
1197 | * @param headComment Characters to use to start a comment in the source file. |
1198 | * @param tailComment Characters to use to end a comment in the source file. |
1199 | * @param sourceSectionType The {@code SourceSectionType} to create a new {@code Section} instance for. |
1200 | * |
1201 | * @return A new {@code Section} instance for {@code sourceSectionType}. |
1202 | * |
1203 | * @throws NullPointerException if {@code headComment}, {@code tailComment} or {@code sourceSectionType} is |
1204 | * {@code null}. |
1205 | * @throws IOException if creating a new {@code Section} instance fails. |
1206 | * |
1207 | * @since 1.2 |
1208 | */ |
1209 | private Section createSection( final String headComment, final String tailComment, |
1210 | final SourceSectionType sourceSectionType ) throws IOException |
1211 | { |
1212 | if ( headComment == null ) |
1213 | { |
1214 | throw new NullPointerException( "headComment" ); |
1215 | } |
1216 | if ( tailComment == null ) |
1217 | { |
1218 | throw new NullPointerException( "tailComment" ); |
1219 | } |
1220 | if ( sourceSectionType == null ) |
1221 | { |
1222 | throw new NullPointerException( "sourceSectionType" ); |
1223 | } |
1224 | |
1225 | final Section s = new Section(); |
1226 | s.setName( sourceSectionType.getName() ); |
1227 | |
1228 | final StringBuilder head = new StringBuilder( 255 ); |
1229 | head.append( getIndentation( sourceSectionType.getIndentationLevel() ) ).append( headComment ); |
1230 | |
1231 | s.setStartingLine( head + " SECTION-START[" + sourceSectionType.getName() + ']' + tailComment ); |
1232 | s.setEndingLine( head + " SECTION-END" + tailComment ); |
1233 | |
1234 | return s; |
1235 | } |
1236 | |
1237 | private void editSourceFile( final File sourcesDirectory ) throws IOException |
1238 | { |
1239 | if ( sourcesDirectory == null ) |
1240 | { |
1241 | throw new NullPointerException( "sourcesDirectory" ); |
1242 | } |
1243 | if ( !sourcesDirectory.isDirectory() ) |
1244 | { |
1245 | throw new IOException( getMessage( "directoryNotFound", sourcesDirectory.getAbsolutePath() ) ); |
1246 | } |
1247 | |
1248 | final SourceFileType model = this.getSourceFileType(); |
1249 | |
1250 | if ( model != null && model.getLocation() != null ) |
1251 | { |
1252 | final File f = new File( sourcesDirectory, model.getLocation() ); |
1253 | |
1254 | try |
1255 | { |
1256 | String content = ""; |
1257 | String edited = null; |
1258 | boolean creating = false; |
1259 | |
1260 | if ( !f.exists() ) |
1261 | { |
1262 | if ( model.getTemplate() != null ) |
1263 | { |
1264 | final StringWriter writer = new StringWriter(); |
1265 | final Template template = getVelocityTemplate( model.getTemplate() ); |
1266 | final VelocityContext ctx = this.getVelocityContext(); |
1267 | ctx.put( "template", template ); |
1268 | template.merge( ctx, writer ); |
1269 | writer.close(); |
1270 | content = writer.toString(); |
1271 | ctx.remove( "template" ); |
1272 | creating = true; |
1273 | } |
1274 | } |
1275 | else |
1276 | { |
1277 | if ( isLoggable( Level.FINER ) ) |
1278 | { |
1279 | log( Level.FINER, getMessage( "reading", f.getAbsolutePath() ), null ); |
1280 | } |
1281 | |
1282 | content = this.readSourceFile( f ); |
1283 | } |
1284 | |
1285 | try |
1286 | { |
1287 | edited = super.edit( content ); |
1288 | } |
1289 | catch ( final IOException e ) |
1290 | { |
1291 | // JDK: As of JDK 6, "new IOException( message, cause )". |
1292 | throw (IOException) new IOException( getMessage( |
1293 | "failedEditing", f.getAbsolutePath(), getMessage( e ) ) ).initCause( e ); |
1294 | |
1295 | } |
1296 | |
1297 | if ( !edited.equals( content ) || edited.length() == 0 ) |
1298 | { |
1299 | if ( !f.getParentFile().exists() && !f.getParentFile().mkdirs() ) |
1300 | { |
1301 | throw new IOException( getMessage( |
1302 | "failedCreatingDirectory", f.getParentFile().getAbsolutePath() ) ); |
1303 | |
1304 | } |
1305 | |
1306 | if ( isLoggable( Level.INFO ) ) |
1307 | { |
1308 | log( Level.INFO, getMessage( |
1309 | creating ? "creating" : "editing", f.getAbsolutePath() ), null ); |
1310 | |
1311 | } |
1312 | |
1313 | this.writeSourceFile( f, edited ); |
1314 | } |
1315 | else if ( isLoggable( Level.FINER ) ) |
1316 | { |
1317 | log( Level.FINER, getMessage( "unchanged", f.getAbsolutePath() ), null ); |
1318 | } |
1319 | } |
1320 | catch ( final VelocityException e ) |
1321 | { |
1322 | // JDK: As of JDK 6, "new IOException( message, cause )". |
1323 | throw (IOException) new IOException( getMessage( |
1324 | "failedEditing", f.getAbsolutePath(), getMessage( e ) ) ).initCause( e ); |
1325 | |
1326 | } |
1327 | } |
1328 | } |
1329 | |
1330 | private String readSourceFile( final File file ) throws IOException |
1331 | { |
1332 | if ( file == null ) |
1333 | { |
1334 | throw new NullPointerException( "file" ); |
1335 | } |
1336 | |
1337 | RandomAccessFile randomAccessFile = null; |
1338 | FileChannel fileChannel = null; |
1339 | FileLock fileLock = null; |
1340 | boolean suppressExceptionOnClose = true; |
1341 | |
1342 | //final Charset charset = Charset.forName( getInputEncoding() ); |
1343 | final int length = file.length() > 0L ? Long.valueOf( file.length() ).intValue() : 1; |
1344 | final ByteBuffer buf = ByteBuffer.allocate( length ); |
1345 | final StringBuilder appendable = new StringBuilder( length ); |
1346 | |
1347 | try |
1348 | { |
1349 | randomAccessFile = new RandomAccessFile( file, "r" ); |
1350 | fileChannel = randomAccessFile.getChannel(); |
1351 | fileLock = fileChannel.lock( 0L, file.length(), true ); |
1352 | fileChannel.position( 0L ); |
1353 | |
1354 | buf.clear(); |
1355 | int read = fileChannel.read( buf ); |
1356 | |
1357 | while ( read != -1 ) |
1358 | { |
1359 | // JDK: As of JDK 6, new String( byte[], int, int, Charset ) |
1360 | appendable.append( new String( buf.array(), buf.arrayOffset(), read, getInputEncoding() ) ); |
1361 | buf.clear(); |
1362 | read = fileChannel.read( buf ); |
1363 | } |
1364 | |
1365 | suppressExceptionOnClose = false; |
1366 | return appendable.toString(); |
1367 | } |
1368 | finally |
1369 | { |
1370 | this.releaseAndClose( fileLock, fileChannel, randomAccessFile, suppressExceptionOnClose ); |
1371 | } |
1372 | } |
1373 | |
1374 | private void writeSourceFile( final File file, final String content ) throws IOException |
1375 | { |
1376 | if ( file == null ) |
1377 | { |
1378 | throw new NullPointerException( "file" ); |
1379 | } |
1380 | if ( content == null ) |
1381 | { |
1382 | throw new NullPointerException( "content" ); |
1383 | } |
1384 | |
1385 | RandomAccessFile randomAccessFile = null; |
1386 | FileChannel fileChannel = null; |
1387 | FileLock fileLock = null; |
1388 | boolean suppressExceptionOnClose = true; |
1389 | final byte[] bytes = content.getBytes( getOutputEncoding() ); |
1390 | |
1391 | try |
1392 | { |
1393 | randomAccessFile = new RandomAccessFile( file, "rw" ); |
1394 | fileChannel = randomAccessFile.getChannel(); |
1395 | fileLock = fileChannel.lock( 0L, bytes.length, false ); |
1396 | fileChannel.truncate( bytes.length ); |
1397 | fileChannel.position( 0L ); |
1398 | fileChannel.write( ByteBuffer.wrap( bytes ) ); |
1399 | fileChannel.force( true ); |
1400 | suppressExceptionOnClose = false; |
1401 | } |
1402 | finally |
1403 | { |
1404 | this.releaseAndClose( fileLock, fileChannel, randomAccessFile, suppressExceptionOnClose ); |
1405 | } |
1406 | } |
1407 | |
1408 | private void releaseAndClose( final FileLock fileLock, final FileChannel fileChannel, |
1409 | final RandomAccessFile randomAccessFile, final boolean suppressExceptions ) |
1410 | throws IOException |
1411 | { |
1412 | try |
1413 | { |
1414 | if ( fileLock != null ) |
1415 | { |
1416 | fileLock.release(); |
1417 | } |
1418 | } |
1419 | catch ( final IOException e ) |
1420 | { |
1421 | if ( suppressExceptions ) |
1422 | { |
1423 | log( Level.SEVERE, null, e ); |
1424 | } |
1425 | else |
1426 | { |
1427 | throw e; |
1428 | } |
1429 | } |
1430 | finally |
1431 | { |
1432 | try |
1433 | { |
1434 | if ( fileChannel != null ) |
1435 | { |
1436 | fileChannel.close(); |
1437 | } |
1438 | } |
1439 | catch ( final IOException e ) |
1440 | { |
1441 | if ( suppressExceptions ) |
1442 | { |
1443 | log( Level.SEVERE, null, e ); |
1444 | } |
1445 | else |
1446 | { |
1447 | throw e; |
1448 | } |
1449 | } |
1450 | finally |
1451 | { |
1452 | try |
1453 | { |
1454 | if ( randomAccessFile != null ) |
1455 | { |
1456 | randomAccessFile.close(); |
1457 | } |
1458 | } |
1459 | catch ( final IOException e ) |
1460 | { |
1461 | if ( suppressExceptions ) |
1462 | { |
1463 | log( Level.SEVERE, null, e ); |
1464 | } |
1465 | else |
1466 | { |
1467 | throw e; |
1468 | } |
1469 | } |
1470 | } |
1471 | } |
1472 | } |
1473 | |
1474 | } |
1475 | |
1476 | } |