1 | /* |
---|---|
2 | * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser. |
3 | * Copyright (C) 2011, 2013-2020 The JavaParser Team. |
4 | * |
5 | * This file is part of JavaParser. |
6 | * |
7 | * JavaParser can be used either under the terms of |
8 | * a) the GNU Lesser General Public License as published by |
9 | * the Free Software Foundation, either version 3 of the License, or |
10 | * (at your option) any later version. |
11 | * b) the terms of the Apache License |
12 | * |
13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
14 | * LICENCE.APACHE. Please refer to those files for details. |
15 | * |
16 | * JavaParser is distributed in the hope that it will be useful, |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
19 | * GNU Lesser General Public License for more details. |
20 | */ |
21 | package com.github.javaparser.ast; |
22 | |
23 | import static com.github.javaparser.JavaToken.Kind.EOF; |
24 | import static com.github.javaparser.Providers.UTF8; |
25 | import static com.github.javaparser.Providers.provider; |
26 | import static com.github.javaparser.Range.range; |
27 | import static com.github.javaparser.StaticJavaParser.parseImport; |
28 | import static com.github.javaparser.StaticJavaParser.parseName; |
29 | import static com.github.javaparser.ast.Modifier.createModifierList; |
30 | import static com.github.javaparser.utils.CodeGenerationUtils.subtractPaths; |
31 | import static com.github.javaparser.utils.Utils.assertNotNull; |
32 | |
33 | import java.io.IOException; |
34 | import java.nio.charset.Charset; |
35 | import java.nio.file.Files; |
36 | import java.nio.file.Path; |
37 | import java.nio.file.Paths; |
38 | import java.util.List; |
39 | import java.util.Objects; |
40 | import java.util.Optional; |
41 | import java.util.function.Function; |
42 | |
43 | import com.github.javaparser.JavaParser; |
44 | import com.github.javaparser.JavaToken; |
45 | import com.github.javaparser.ParseResult; |
46 | import com.github.javaparser.ParseStart; |
47 | import com.github.javaparser.Position; |
48 | import com.github.javaparser.TokenRange; |
49 | import com.github.javaparser.ast.body.AnnotationDeclaration; |
50 | import com.github.javaparser.ast.body.ClassOrInterfaceDeclaration; |
51 | import com.github.javaparser.ast.body.EnumDeclaration; |
52 | import com.github.javaparser.ast.body.TypeDeclaration; |
53 | import com.github.javaparser.ast.comments.Comment; |
54 | import com.github.javaparser.ast.comments.JavadocComment; |
55 | import com.github.javaparser.ast.expr.Name; |
56 | import com.github.javaparser.ast.modules.ModuleDeclaration; |
57 | import com.github.javaparser.ast.nodeTypes.NodeWithName; |
58 | import com.github.javaparser.ast.observer.ObservableProperty; |
59 | import com.github.javaparser.ast.visitor.CloneVisitor; |
60 | import com.github.javaparser.ast.visitor.GenericVisitor; |
61 | import com.github.javaparser.ast.visitor.VoidVisitor; |
62 | import com.github.javaparser.metamodel.CompilationUnitMetaModel; |
63 | import com.github.javaparser.metamodel.InternalProperty; |
64 | import com.github.javaparser.metamodel.JavaParserMetaModel; |
65 | import com.github.javaparser.metamodel.OptionalProperty; |
66 | import com.github.javaparser.printer.PrettyPrinter; |
67 | import com.github.javaparser.utils.ClassUtils; |
68 | import com.github.javaparser.utils.CodeGenerationUtils; |
69 | import com.github.javaparser.utils.Utils; |
70 | |
71 | /** |
72 | * <p> |
73 | * This class represents the entire compilation unit. Each java file denotes a |
74 | * compilation unit. |
75 | * </p> |
76 | * A compilation unit start with an optional package declaration, |
77 | * followed by zero or more import declarations, |
78 | * followed by zero or more type declarations. |
79 | * |
80 | * @author Julio Vilmar Gesser |
81 | * @see PackageDeclaration |
82 | * @see ImportDeclaration |
83 | * @see TypeDeclaration |
84 | * @see Storage |
85 | */ |
86 | public class CompilationUnit extends Node { |
87 | |
88 | private static final String JAVA_LANG = "java.lang"; |
89 | |
90 | @OptionalProperty |
91 | private PackageDeclaration packageDeclaration; |
92 | |
93 | private NodeList<ImportDeclaration> imports; |
94 | |
95 | private NodeList<TypeDeclaration<?>> types; |
96 | |
97 | @OptionalProperty |
98 | private ModuleDeclaration module; |
99 | |
100 | @InternalProperty |
101 | private Storage storage; |
102 | |
103 | public CompilationUnit() { |
104 | this(null, null, new NodeList<>(), new NodeList<>(), null); |
105 | } |
106 | |
107 | public CompilationUnit(String packageDeclaration) { |
108 | this(null, new PackageDeclaration(new Name(packageDeclaration)), new NodeList<>(), new NodeList<>(), null); |
109 | } |
110 | |
111 | @AllFieldsConstructor |
112 | public CompilationUnit(PackageDeclaration packageDeclaration, NodeList<ImportDeclaration> imports, NodeList<TypeDeclaration<?>> types, ModuleDeclaration module) { |
113 | this(null, packageDeclaration, imports, types, module); |
114 | } |
115 | |
116 | /** |
117 | * This constructor is used by the parser and is considered private. |
118 | */ |
119 | @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") |
120 | public CompilationUnit(TokenRange tokenRange, PackageDeclaration packageDeclaration, NodeList<ImportDeclaration> imports, NodeList<TypeDeclaration<?>> types, ModuleDeclaration module) { |
121 | super(tokenRange); |
122 | setPackageDeclaration(packageDeclaration); |
123 | setImports(imports); |
124 | setTypes(types); |
125 | setModule(module); |
126 | customInitialization(); |
127 | } |
128 | |
129 | @Override |
130 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
131 | public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { |
132 | return v.visit(this, arg); |
133 | } |
134 | |
135 | @Override |
136 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
137 | public <A> void accept(final VoidVisitor<A> v, final A arg) { |
138 | v.visit(this, arg); |
139 | } |
140 | |
141 | /** |
142 | * @deprecated getComments was a too generic name and it could be confused with getComment |
143 | * or getAllContainedComments |
144 | * Use {@link #getAllComments()} instead |
145 | */ |
146 | @Deprecated |
147 | public List<Comment> getComments() { |
148 | List<Comment> comments = this.getAllContainedComments(); |
149 | this.getComment().ifPresent(comments::add); |
150 | return comments; |
151 | } |
152 | |
153 | /** |
154 | * Return a list containing all comments declared in this compilation unit. |
155 | * Including javadocs, line comments and block comments of all types, |
156 | * inner-classes and other members.<br> |
157 | * If there is no comment, an empty list is returned. |
158 | * |
159 | * @return list with all comments of this compilation unit. |
160 | * @see JavadocComment |
161 | * @see com.github.javaparser.ast.comments.LineComment |
162 | * @see com.github.javaparser.ast.comments.BlockComment |
163 | */ |
164 | public List<Comment> getAllComments() { |
165 | List<Comment> comments = this.getAllContainedComments(); |
166 | this.getComment().ifPresent(comments::add); |
167 | return comments; |
168 | } |
169 | |
170 | /** |
171 | * Retrieves the list of imports declared in this compilation unit or |
172 | * {@code null} if there is no import. |
173 | * |
174 | * @return the list of imports or {@code none} if there is no import |
175 | */ |
176 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
177 | public NodeList<ImportDeclaration> getImports() { |
178 | return imports; |
179 | } |
180 | |
181 | public ImportDeclaration getImport(int i) { |
182 | return getImports().get(i); |
183 | } |
184 | |
185 | /** |
186 | * Retrieves the package declaration of this compilation unit.<br> |
187 | * If this compilation unit has no package declaration (default package), |
188 | * {@code Optional.none()} is returned. |
189 | * |
190 | * @return the package declaration or {@code none} |
191 | */ |
192 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
193 | public Optional<PackageDeclaration> getPackageDeclaration() { |
194 | return Optional.ofNullable(packageDeclaration); |
195 | } |
196 | |
197 | /** |
198 | * Return the list of top level types declared in this compilation unit.<br> |
199 | * If there are no types declared, {@code none} is returned. |
200 | * |
201 | * @return the list of types or {@code none} null if there is no type |
202 | * @see AnnotationDeclaration |
203 | * @see ClassOrInterfaceDeclaration |
204 | * @see EnumDeclaration |
205 | */ |
206 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
207 | public NodeList<TypeDeclaration<?>> getTypes() { |
208 | return types; |
209 | } |
210 | |
211 | /** |
212 | * Convenience method that wraps {@code getTypes()}.<br> |
213 | * If {@code i} is out of bounds, throws <code>IndexOutOfBoundsException.</code> |
214 | * |
215 | * @param i the index of the type declaration to retrieve |
216 | */ |
217 | public TypeDeclaration<?> getType(int i) { |
218 | return getTypes().get(i); |
219 | } |
220 | |
221 | /** |
222 | * Sets the list of imports of this compilation unit. The list is initially |
223 | * {@code null}. |
224 | * |
225 | * @param imports the list of imports |
226 | */ |
227 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
228 | public CompilationUnit setImports(final NodeList<ImportDeclaration> imports) { |
229 | assertNotNull(imports); |
230 | if (imports == this.imports) { |
231 | return (CompilationUnit) this; |
232 | } |
233 | notifyPropertyChange(ObservableProperty.IMPORTS, this.imports, imports); |
234 | if (this.imports != null) |
235 | this.imports.setParentNode(null); |
236 | this.imports = imports; |
237 | setAsParentNodeOf(imports); |
238 | return this; |
239 | } |
240 | |
241 | public CompilationUnit setImport(int i, ImportDeclaration imports) { |
242 | getImports().set(i, imports); |
243 | return this; |
244 | } |
245 | |
246 | /** |
247 | * adds an import if not implicitly imported by java (i.e. java.lang) or |
248 | * added before. Asterisk imports overrule the other imports within the same package. |
249 | * |
250 | * @param importDeclaration |
251 | * @return {@code this} |
252 | */ |
253 | public CompilationUnit addImport(ImportDeclaration importDeclaration) { |
254 | if (importDeclaration.isAsterisk()) { |
255 | getImports().removeIf(im -> Objects.equals(getImportPackageName(im).get(), getImportPackageName(importDeclaration).orElse(null))); |
256 | } |
257 | if (!isImplicitImport(importDeclaration) && getImports().stream().noneMatch(im -> im.equals(importDeclaration) || (im.isAsterisk() && Objects.equals(getImportPackageName(im).get(), getImportPackageName(importDeclaration).orElse(null))))) { |
258 | getImports().add(importDeclaration); |
259 | } |
260 | return this; |
261 | } |
262 | |
263 | /** |
264 | * @param importDeclaration |
265 | * @return {@code true}, if the import is implicit |
266 | */ |
267 | private boolean isImplicitImport(ImportDeclaration importDeclaration) { |
268 | Optional<Name> importPackageName = getImportPackageName(importDeclaration); |
269 | if (importPackageName.isPresent()) { |
270 | if (parseName(JAVA_LANG).equals(importPackageName.get())) { |
271 | // java.lang is implicitly imported |
272 | return true; |
273 | } |
274 | if (packageDeclaration != null) { |
275 | // the import is within the same package |
276 | Name currentPackageName = packageDeclaration.getName(); |
277 | return currentPackageName.equals(importPackageName.get()); |
278 | } |
279 | return false; |
280 | } else { |
281 | // imports of unnamed package are not allowed |
282 | return true; |
283 | } |
284 | } |
285 | |
286 | private static Optional<Name> getImportPackageName(ImportDeclaration importDeclaration) { |
287 | return (importDeclaration.isAsterisk() ? new Name(importDeclaration.getName(), "*") : importDeclaration.getName()).getQualifier(); |
288 | } |
289 | |
290 | /** |
291 | * Sets or clear the package declarations of this compilation unit. |
292 | * |
293 | * @param packageDeclaration the packageDeclaration declaration to set or {@code null} to default package |
294 | */ |
295 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
296 | public CompilationUnit setPackageDeclaration(final PackageDeclaration packageDeclaration) { |
297 | if (packageDeclaration == this.packageDeclaration) { |
298 | return (CompilationUnit) this; |
299 | } |
300 | notifyPropertyChange(ObservableProperty.PACKAGE_DECLARATION, this.packageDeclaration, packageDeclaration); |
301 | if (this.packageDeclaration != null) |
302 | this.packageDeclaration.setParentNode(null); |
303 | this.packageDeclaration = packageDeclaration; |
304 | setAsParentNodeOf(packageDeclaration); |
305 | return this; |
306 | } |
307 | |
308 | /** |
309 | * Sets the list of types declared in this compilation unit. |
310 | */ |
311 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
312 | public CompilationUnit setTypes(final NodeList<TypeDeclaration<?>> types) { |
313 | assertNotNull(types); |
314 | if (types == this.types) { |
315 | return (CompilationUnit) this; |
316 | } |
317 | notifyPropertyChange(ObservableProperty.TYPES, this.types, types); |
318 | if (this.types != null) |
319 | this.types.setParentNode(null); |
320 | this.types = types; |
321 | setAsParentNodeOf(types); |
322 | return this; |
323 | } |
324 | |
325 | public CompilationUnit setType(int i, TypeDeclaration<?> type) { |
326 | NodeList<TypeDeclaration<?>> copy = new NodeList<>(); |
327 | copy.addAll(getTypes()); |
328 | getTypes().set(i, type); |
329 | notifyPropertyChange(ObservableProperty.TYPES, copy, types); |
330 | return this; |
331 | } |
332 | |
333 | public CompilationUnit addType(TypeDeclaration<?> type) { |
334 | NodeList<TypeDeclaration<?>> copy = new NodeList<>(); |
335 | copy.addAll(getTypes()); |
336 | getTypes().add(type); |
337 | notifyPropertyChange(ObservableProperty.TYPES, copy, types); |
338 | return this; |
339 | } |
340 | |
341 | /** |
342 | * sets the package declaration of this compilation unit |
343 | * |
344 | * @param name the name of the package |
345 | * @return this, the {@link CompilationUnit} |
346 | */ |
347 | public CompilationUnit setPackageDeclaration(String name) { |
348 | setPackageDeclaration(new PackageDeclaration(parseName(name))); |
349 | return this; |
350 | } |
351 | |
352 | /** |
353 | * Add an import to the list of {@link ImportDeclaration} of this compilation unit<br> |
354 | * shorthand for {@link #addImport(String, boolean, boolean)} with name,false,false |
355 | * |
356 | * @param name the import name |
357 | * @return this, the {@link CompilationUnit} |
358 | */ |
359 | public CompilationUnit addImport(String name) { |
360 | return addImport(name, false, false); |
361 | } |
362 | |
363 | /** |
364 | * Add an import to the list of {@link ImportDeclaration} of this compilation unit<br> |
365 | * shorthand for {@link #addImport(String)} with clazz.getName() |
366 | * |
367 | * @param clazz the class to import |
368 | * @return this, the {@link CompilationUnit} |
369 | * @throws IllegalArgumentException if clazz is an anonymous or local class |
370 | */ |
371 | public CompilationUnit addImport(Class<?> clazz) { |
372 | if (clazz.isArray()) { |
373 | return addImport(clazz.getComponentType()); |
374 | } |
375 | if (ClassUtils.isPrimitiveOrWrapper(clazz) || JAVA_LANG.equals(clazz.getPackage().getName())) |
376 | return this; |
377 | else if (clazz.isAnonymousClass() || clazz.isLocalClass()) |
378 | throw new IllegalArgumentException(clazz.getName() + " is an anonymous or local class therefore it can't be added with addImport"); |
379 | return addImport(clazz.getCanonicalName()); |
380 | } |
381 | |
382 | /** |
383 | * Add an import to the list of {@link ImportDeclaration} of this compilation unit<br> |
384 | * <b>This method check if no import with the same name is already in the list</b> |
385 | * |
386 | * @param name the import name |
387 | * @param isStatic is it an "import static" |
388 | * @param isAsterisk does the import end with ".*" |
389 | * @return this, the {@link CompilationUnit} |
390 | */ |
391 | public CompilationUnit addImport(String name, boolean isStatic, boolean isAsterisk) { |
392 | if (name == null) { |
393 | return this; |
394 | } |
395 | final StringBuilder i = new StringBuilder("import "); |
396 | if (isStatic) { |
397 | i.append("static "); |
398 | } |
399 | i.append(name); |
400 | if (isAsterisk) { |
401 | i.append(".*"); |
402 | } |
403 | i.append(";"); |
404 | return addImport(parseImport(i.toString())); |
405 | } |
406 | |
407 | /** |
408 | * Add a public class to the types of this compilation unit |
409 | * |
410 | * @param name the class name |
411 | * @return the newly created class |
412 | */ |
413 | public ClassOrInterfaceDeclaration addClass(String name) { |
414 | return addClass(name, Modifier.Keyword.PUBLIC); |
415 | } |
416 | |
417 | /** |
418 | * Add a class to the types of this compilation unit |
419 | * |
420 | * @param name the class name |
421 | * @param modifiers the modifiers (like Modifier.PUBLIC) |
422 | * @return the newly created class |
423 | */ |
424 | public ClassOrInterfaceDeclaration addClass(String name, Modifier.Keyword... modifiers) { |
425 | ClassOrInterfaceDeclaration classOrInterfaceDeclaration = new ClassOrInterfaceDeclaration(createModifierList(modifiers), false, name); |
426 | getTypes().add(classOrInterfaceDeclaration); |
427 | return classOrInterfaceDeclaration; |
428 | } |
429 | |
430 | /** |
431 | * Add a public interface class to the types of this compilation unit |
432 | * |
433 | * @param name the interface name |
434 | * @return the newly created class |
435 | */ |
436 | public ClassOrInterfaceDeclaration addInterface(String name) { |
437 | return addInterface(name, Modifier.Keyword.PUBLIC); |
438 | } |
439 | |
440 | /** |
441 | * Add an interface to the types of this compilation unit |
442 | * |
443 | * @param name the interface name |
444 | * @param modifiers the modifiers (like Modifier.PUBLIC) |
445 | * @return the newly created class |
446 | */ |
447 | public ClassOrInterfaceDeclaration addInterface(String name, Modifier.Keyword... modifiers) { |
448 | ClassOrInterfaceDeclaration classOrInterfaceDeclaration = new ClassOrInterfaceDeclaration(createModifierList(modifiers), true, name); |
449 | getTypes().add(classOrInterfaceDeclaration); |
450 | return classOrInterfaceDeclaration; |
451 | } |
452 | |
453 | /** |
454 | * Add a public enum to the types of this compilation unit |
455 | * |
456 | * @param name the enum name |
457 | * @return the newly created class |
458 | */ |
459 | public EnumDeclaration addEnum(String name) { |
460 | return addEnum(name, Modifier.Keyword.PUBLIC); |
461 | } |
462 | |
463 | /** |
464 | * Add an enum to the types of this compilation unit |
465 | * |
466 | * @param name the enum name |
467 | * @param modifiers the modifiers (like Modifier.PUBLIC) |
468 | * @return the newly created class |
469 | */ |
470 | public EnumDeclaration addEnum(String name, Modifier.Keyword... modifiers) { |
471 | EnumDeclaration enumDeclaration = new EnumDeclaration(createModifierList(modifiers), name); |
472 | getTypes().add(enumDeclaration); |
473 | return enumDeclaration; |
474 | } |
475 | |
476 | /** |
477 | * Add a public annotation declaration to the types of this compilation unit |
478 | * |
479 | * @param name the annotation name |
480 | * @return the newly created class |
481 | */ |
482 | public AnnotationDeclaration addAnnotationDeclaration(String name) { |
483 | return addAnnotationDeclaration(name, Modifier.Keyword.PUBLIC); |
484 | } |
485 | |
486 | /** |
487 | * Add an annotation declaration to the types of this compilation unit |
488 | * |
489 | * @param name the annotation name |
490 | * @param modifiers the modifiers (like Modifier.PUBLIC) |
491 | * @return the newly created class |
492 | */ |
493 | public AnnotationDeclaration addAnnotationDeclaration(String name, Modifier.Keyword... modifiers) { |
494 | AnnotationDeclaration annotationDeclaration = new AnnotationDeclaration(createModifierList(modifiers), name); |
495 | getTypes().add(annotationDeclaration); |
496 | return annotationDeclaration; |
497 | } |
498 | |
499 | /** |
500 | * Try to get a top level class declaration by its name |
501 | * |
502 | * @param className the class name (case-sensitive) |
503 | */ |
504 | public Optional<ClassOrInterfaceDeclaration> getClassByName(String className) { |
505 | return getTypes().stream().filter(type -> type.getNameAsString().equals(className) && type instanceof ClassOrInterfaceDeclaration && !((ClassOrInterfaceDeclaration) type).isInterface()).findFirst().map(t -> (ClassOrInterfaceDeclaration) t); |
506 | } |
507 | |
508 | /** |
509 | * Try to get a locally class declaration by its name (top level or inner class) |
510 | * |
511 | * @param className the class name (case-sensitive) |
512 | */ |
513 | public Optional<ClassOrInterfaceDeclaration> getLocaleDeclarationFromClassname(String className) { |
514 | return findAll(ClassOrInterfaceDeclaration.class).stream().filter(cid->cid.getNameAsString().equals(className)).findFirst(); |
515 | } |
516 | |
517 | /** |
518 | * Try to get a top level interface declaration by its name |
519 | * |
520 | * @param interfaceName the interface name (case-sensitive) |
521 | */ |
522 | public Optional<ClassOrInterfaceDeclaration> getInterfaceByName(String interfaceName) { |
523 | return getTypes().stream().filter(type -> type.getNameAsString().equals(interfaceName) && type instanceof ClassOrInterfaceDeclaration && ((ClassOrInterfaceDeclaration) type).isInterface()).findFirst().map(t -> (ClassOrInterfaceDeclaration) t); |
524 | } |
525 | |
526 | /** |
527 | * Try to get a top level enum declaration by its name |
528 | * |
529 | * @param enumName the enum name (case-sensitive) |
530 | */ |
531 | public Optional<EnumDeclaration> getEnumByName(String enumName) { |
532 | return getTypes().stream().filter(type -> type.getNameAsString().equals(enumName) && type instanceof EnumDeclaration).findFirst().map(t -> (EnumDeclaration) t); |
533 | } |
534 | |
535 | /** |
536 | * @return the name that the primary type in this file should have, according to the filename in {@link Storage#getFileName()}. |
537 | * Empty if no file information is present (when this compilation unit wasn't parsed from a file.) |
538 | */ |
539 | public Optional<String> getPrimaryTypeName() { |
540 | return getStorage().map(Storage::getFileName).map(Utils::removeFileExtension); |
541 | } |
542 | |
543 | /** |
544 | * @return the type whose name corresponds to the file name. |
545 | * Empty if no file information is present (when this compilation unit wasn't parsed from a file.) |
546 | * If for some strange reason there are multiple types of this name, the first one is returned. |
547 | */ |
548 | public Optional<TypeDeclaration<?>> getPrimaryType() { |
549 | return getPrimaryTypeName().flatMap(name -> getTypes().stream().filter(t -> t.getNameAsString().equals(name)).findFirst()); |
550 | } |
551 | |
552 | /** |
553 | * Try to get a top level annotation type declaration by its name |
554 | * |
555 | * @param annotationName the annotation name (case-sensitive) |
556 | */ |
557 | public Optional<AnnotationDeclaration> getAnnotationDeclarationByName(String annotationName) { |
558 | return getTypes().stream().filter(type -> type.getNameAsString().equals(annotationName) && type instanceof AnnotationDeclaration).findFirst().map(t -> (AnnotationDeclaration) t); |
559 | } |
560 | |
561 | @Override |
562 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
563 | public boolean remove(Node node) { |
564 | if (node == null) |
565 | return false; |
566 | for (int i = 0; i < imports.size(); i++) { |
567 | if (imports.get(i) == node) { |
568 | imports.remove(i); |
569 | return true; |
570 | } |
571 | } |
572 | if (module != null) { |
573 | if (node == module) { |
574 | removeModule(); |
575 | return true; |
576 | } |
577 | } |
578 | if (packageDeclaration != null) { |
579 | if (node == packageDeclaration) { |
580 | removePackageDeclaration(); |
581 | return true; |
582 | } |
583 | } |
584 | for (int i = 0; i < types.size(); i++) { |
585 | if (types.get(i) == node) { |
586 | types.remove(i); |
587 | return true; |
588 | } |
589 | } |
590 | return super.remove(node); |
591 | } |
592 | |
593 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
594 | public CompilationUnit removePackageDeclaration() { |
595 | return setPackageDeclaration((PackageDeclaration) null); |
596 | } |
597 | |
598 | /** |
599 | * @return the module declared in this compilation unit. |
600 | */ |
601 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
602 | public Optional<ModuleDeclaration> getModule() { |
603 | return Optional.ofNullable(module); |
604 | } |
605 | |
606 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
607 | public CompilationUnit setModule(final ModuleDeclaration module) { |
608 | if (module == this.module) { |
609 | return (CompilationUnit) this; |
610 | } |
611 | notifyPropertyChange(ObservableProperty.MODULE, this.module, module); |
612 | if (this.module != null) |
613 | this.module.setParentNode(null); |
614 | this.module = module; |
615 | setAsParentNodeOf(module); |
616 | return this; |
617 | } |
618 | |
619 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
620 | public CompilationUnit removeModule() { |
621 | return setModule((ModuleDeclaration) null); |
622 | } |
623 | |
624 | /** |
625 | * @return information about where this compilation unit was loaded from, or empty if it wasn't loaded from a file. |
626 | */ |
627 | public Optional<Storage> getStorage() { |
628 | return Optional.ofNullable(storage); |
629 | } |
630 | |
631 | public CompilationUnit setStorage(Path path) { |
632 | this.storage = new Storage(this, path); |
633 | return this; |
634 | } |
635 | |
636 | public CompilationUnit setStorage(Path path, Charset charset) { |
637 | this.storage = new Storage(this, path, charset); |
638 | return this; |
639 | } |
640 | |
641 | /** |
642 | * Create (or overwrite) a module declaration in this compilation unit with name "name". |
643 | * |
644 | * @return the module |
645 | */ |
646 | public ModuleDeclaration setModule(String name) { |
647 | final ModuleDeclaration module = new ModuleDeclaration(parseName(name), false); |
648 | setModule(module); |
649 | return module; |
650 | } |
651 | |
652 | /** |
653 | * Recalculates the ranges of all nodes by looking at the sizes of the tokens. |
654 | * This is useful when you have manually inserted or deleted tokens and still want to use the ranges. |
655 | */ |
656 | public void recalculatePositions() { |
657 | if (!getTokenRange().isPresent()) { |
658 | throw new IllegalStateException("Can't recalculate positions without tokens."); |
659 | } |
660 | Position cursor = Position.HOME; |
661 | for (JavaToken t : getTokenRange().get()) { |
662 | int tokenLength = t.getKind() == EOF.getKind() ? 0 : t.getText().length() - 1; |
663 | t.setRange(range(cursor, cursor.right(tokenLength))); |
664 | if (t.getCategory().isEndOfLine()) { |
665 | cursor = cursor.nextLine(); |
666 | } else { |
667 | cursor = cursor.right(tokenLength + 1); |
668 | } |
669 | } |
670 | } |
671 | |
672 | /** |
673 | * Information about where this compilation unit was loaded from. |
674 | * This class only stores the absolute location. |
675 | * For more flexibility use SourceRoot. |
676 | */ |
677 | public static class Storage { |
678 | |
679 | private final CompilationUnit compilationUnit; |
680 | |
681 | private final Path path; |
682 | |
683 | private final Charset encoding; |
684 | |
685 | private Storage(CompilationUnit compilationUnit, Path path) { |
686 | this.compilationUnit = compilationUnit; |
687 | this.path = path.toAbsolutePath(); |
688 | this.encoding = UTF8; |
689 | } |
690 | |
691 | private Storage(CompilationUnit compilationUnit, Path path, Charset encoding) { |
692 | this.compilationUnit = compilationUnit; |
693 | this.path = path.toAbsolutePath(); |
694 | this.encoding = encoding; |
695 | } |
696 | |
697 | /** |
698 | * @return the path to the source for this CompilationUnit |
699 | */ |
700 | public Path getPath() { |
701 | return path; |
702 | } |
703 | |
704 | /** |
705 | * @return the CompilationUnit this Storage is about. |
706 | */ |
707 | public CompilationUnit getCompilationUnit() { |
708 | return compilationUnit; |
709 | } |
710 | |
711 | /** |
712 | * @return the encoding used to read the file. |
713 | */ |
714 | public Charset getEncoding() { |
715 | return encoding; |
716 | } |
717 | |
718 | /** |
719 | * @return the source root directory, calculated from the path of this compiation unit, and the package |
720 | * declaration of this compilation unit. If the package declaration is invalid (when it does not match the end |
721 | * of the path) a RuntimeException is thrown. |
722 | */ |
723 | public Path getSourceRoot() { |
724 | final Optional<String> pkgAsString = compilationUnit.getPackageDeclaration().map(NodeWithName::getNameAsString); |
725 | return pkgAsString.map(p -> Paths.get(CodeGenerationUtils.packageToPath(p))).map(pkg -> subtractPaths(getDirectory(), pkg)).orElse(getDirectory()); |
726 | } |
727 | |
728 | public String getFileName() { |
729 | return path.getFileName().toString(); |
730 | } |
731 | |
732 | public Path getDirectory() { |
733 | return path.getParent(); |
734 | } |
735 | |
736 | /** |
737 | * Saves the compilation unit to its original location |
738 | */ |
739 | public void save() { |
740 | save(cu -> new PrettyPrinter().print(cu)); |
741 | } |
742 | |
743 | /** |
744 | * Saves a compilation unit to its original location with formatting according to the function passed as a |
745 | * parameter. |
746 | * |
747 | * @param makeOutput a function that formats the compilation unit |
748 | */ |
749 | public void save(Function<CompilationUnit, String> makeOutput) { |
750 | save(makeOutput, encoding); |
751 | } |
752 | |
753 | /** |
754 | * Saves a compilation unit to its original location with formatting and encoding according to the function and |
755 | * encoding passed as a parameter. |
756 | * |
757 | * @param makeOutput a function that formats the compilation unit |
758 | * @param encoding the encoding to use for the saved file |
759 | */ |
760 | public void save(Function<CompilationUnit, String> makeOutput, Charset encoding) { |
761 | try { |
762 | Files.createDirectories(path.getParent()); |
763 | final String code = makeOutput.apply(getCompilationUnit()); |
764 | Files.write(path, code.getBytes(encoding)); |
765 | } catch (IOException e) { |
766 | throw new RuntimeException(e); |
767 | } |
768 | } |
769 | |
770 | public ParseResult<CompilationUnit> reparse(JavaParser javaParser) { |
771 | try { |
772 | return javaParser.parse(ParseStart.COMPILATION_UNIT, provider(getPath())); |
773 | } catch (IOException e) { |
774 | throw new RuntimeException(e); |
775 | } |
776 | } |
777 | } |
778 | |
779 | @Override |
780 | @Generated("com.github.javaparser.generator.core.node.CloneGenerator") |
781 | public CompilationUnit clone() { |
782 | return (CompilationUnit) accept(new CloneVisitor(), null); |
783 | } |
784 | |
785 | @Override |
786 | @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") |
787 | public CompilationUnitMetaModel getMetaModel() { |
788 | return JavaParserMetaModel.compilationUnitMetaModel; |
789 | } |
790 | |
791 | @Override |
792 | @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") |
793 | public boolean replace(Node node, Node replacementNode) { |
794 | if (node == null) |
795 | return false; |
796 | for (int i = 0; i < imports.size(); i++) { |
797 | if (imports.get(i) == node) { |
798 | imports.set(i, (ImportDeclaration) replacementNode); |
799 | return true; |
800 | } |
801 | } |
802 | if (module != null) { |
803 | if (node == module) { |
804 | setModule((ModuleDeclaration) replacementNode); |
805 | return true; |
806 | } |
807 | } |
808 | if (packageDeclaration != null) { |
809 | if (node == packageDeclaration) { |
810 | setPackageDeclaration((PackageDeclaration) replacementNode); |
811 | return true; |
812 | } |
813 | } |
814 | for (int i = 0; i < types.size(); i++) { |
815 | if (types.get(i) == node) { |
816 | types.set(i, (TypeDeclaration) replacementNode); |
817 | return true; |
818 | } |
819 | } |
820 | return super.replace(node, replacementNode); |
821 | } |
822 | } |
823 |
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