2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.parser.impl;
10 import static org.opendaylight.yangtools.yang.parser.util.ParserUtils.*;
11 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveType;
12 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnion;
13 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeUnionWithContext;
14 import static org.opendaylight.yangtools.yang.parser.util.TypeUtils.resolveTypeWithContext;
17 import java.io.FileInputStream;
18 import java.io.FileNotFoundException;
19 import java.io.IOException;
20 import java.io.InputStream;
24 import org.antlr.v4.runtime.ANTLRInputStream;
25 import org.antlr.v4.runtime.CommonTokenStream;
26 import org.antlr.v4.runtime.tree.ParseTree;
27 import org.antlr.v4.runtime.tree.ParseTreeWalker;
28 import org.opendaylight.yangtools.antlrv4.code.gen.YangLexer;
29 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser;
30 import org.opendaylight.yangtools.antlrv4.code.gen.YangParser.YangContext;
31 import org.opendaylight.yangtools.yang.common.QName;
32 import org.opendaylight.yangtools.yang.model.api.*;
33 import org.opendaylight.yangtools.yang.model.parser.api.YangModelParser;
34 import org.opendaylight.yangtools.yang.parser.builder.api.AugmentationSchemaBuilder;
35 import org.opendaylight.yangtools.yang.parser.builder.api.Builder;
36 import org.opendaylight.yangtools.yang.parser.builder.api.DataNodeContainerBuilder;
37 import org.opendaylight.yangtools.yang.parser.builder.api.DataSchemaNodeBuilder;
38 import org.opendaylight.yangtools.yang.parser.builder.api.GroupingBuilder;
39 import org.opendaylight.yangtools.yang.parser.builder.api.SchemaNodeBuilder;
40 import org.opendaylight.yangtools.yang.parser.builder.api.TypeAwareBuilder;
41 import org.opendaylight.yangtools.yang.parser.builder.api.TypeDefinitionBuilder;
42 import org.opendaylight.yangtools.yang.parser.builder.api.UsesNodeBuilder;
43 import org.opendaylight.yangtools.yang.parser.builder.impl.*;
44 import org.opendaylight.yangtools.yang.parser.util.Comparators;
45 import org.opendaylight.yangtools.yang.parser.util.GroupingSort;
46 import org.opendaylight.yangtools.yang.parser.util.GroupingUtils;
47 import org.opendaylight.yangtools.yang.parser.util.ModuleDependencySort;
48 import org.opendaylight.yangtools.yang.parser.util.ParserUtils;
49 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
50 import org.opendaylight.yangtools.yang.validator.YangModelBasicValidator;
51 import org.slf4j.Logger;
52 import org.slf4j.LoggerFactory;
54 import com.google.common.base.Preconditions;
57 public final class YangParserImpl implements YangModelParser {
58 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
60 private static final String FAIL_DEVIATION_TARGET = "Failed to find deviation target.";
63 public Set<Module> parseYangModels(final File yangFile, final File directory) {
64 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
65 Preconditions.checkState(directory.exists(), directory + " does not exists");
66 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
68 final String yangFileName = yangFile.getName();
69 final String[] fileList = directory.list();
70 Preconditions.checkNotNull(fileList, directory + " not found");
72 FileInputStream yangFileStream = null;
73 LinkedHashMap<InputStream, File> streamToFileMap = new LinkedHashMap<>();
75 yangFileStream = new FileInputStream(yangFile);
76 streamToFileMap.put(yangFileStream, yangFile);
77 } catch (FileNotFoundException e) {
78 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
81 for (String fileName : fileList) {
82 if (fileName.equals(yangFileName)) {
85 File dependency = new File(directory, fileName);
87 if (dependency.isFile()) {
88 streamToFileMap.put(new FileInputStream(dependency), dependency);
90 } catch (FileNotFoundException e) {
91 LOG.warn("Exception while reading yang file: " + fileName, e);
95 Map<InputStream, ModuleBuilder> parsedBuilders = parseBuilders(new ArrayList<>(streamToFileMap.keySet()),
96 new HashMap<ModuleBuilder, InputStream>());
97 ModuleBuilder main = parsedBuilders.get(yangFileStream);
99 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
100 moduleBuilders.add(main);
101 filterImports(main, new ArrayList<>(parsedBuilders.values()), moduleBuilders);
102 Collection<ModuleBuilder> result = resolveSubmodules(moduleBuilders);
104 // module builders sorted by dependencies
105 ModuleBuilder[] builders = new ModuleBuilder[result.size()];
106 result.toArray(builders);
107 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(builders);
108 LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sortedBuilders);
109 Collection<Module> unsorted = build(modules).values();
110 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
114 public Set<Module> parseYangModels(final List<File> yangFiles) {
115 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
116 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
120 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
121 if (yangFiles == null) {
122 return Collections.emptySet();
125 final Map<InputStream, File> inputStreams = new HashMap<>();
126 for (final File yangFile : yangFiles) {
128 inputStreams.put(new FileInputStream(yangFile), yangFile);
129 } catch (FileNotFoundException e) {
130 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
134 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
135 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
136 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
137 builderToStreamMap, null);
139 for (InputStream is : inputStreams.keySet()) {
142 } catch (IOException e) {
143 LOG.debug("Failed to close stream.");
147 final Collection<Module> unsorted = buildWithContext(modules, context).values();
148 if (context != null) {
149 for (Module m : context.getModules()) {
150 if (!unsorted.contains(m)) {
155 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
159 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
160 Collection<Module> unsorted = parseYangModelsFromStreamsMapped(yangModelStreams).values();
161 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
165 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, SchemaContext context) {
166 if (yangModelStreams == null) {
167 return Collections.emptySet();
170 final Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
171 final Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
172 builderToStreamMap, context);
173 final Set<Module> unsorted = new LinkedHashSet<>(buildWithContext(modules, context).values());
174 if (context != null) {
175 for (Module m : context.getModules()) {
176 if (!unsorted.contains(m)) {
181 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
185 public Map<File, Module> parseYangModelsMapped(List<File> yangFiles) {
186 if (yangFiles == null) {
187 return Collections.emptyMap();
190 final Map<InputStream, File> inputStreams = new HashMap<>();
191 for (final File yangFile : yangFiles) {
193 inputStreams.put(new FileInputStream(yangFile), yangFile);
194 } catch (FileNotFoundException e) {
195 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
199 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
200 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
201 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
204 for (InputStream is : inputStreams.keySet()) {
207 } catch (IOException e) {
208 LOG.debug("Failed to close stream.");
212 Map<File, Module> result = new LinkedHashMap<>();
213 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
214 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
215 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
216 for (ModuleBuilder key : sorted) {
217 result.put(inputStreams.get(builderToStreamMap.get(key)), builderToModuleMap.get(key));
223 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final List<InputStream> yangModelStreams) {
224 if (yangModelStreams == null) {
225 return Collections.emptyMap();
228 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
229 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
231 Map<InputStream, Module> result = new LinkedHashMap<>();
232 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
233 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
234 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
235 for (ModuleBuilder key : sorted) {
236 result.put(builderToStreamMap.get(key), builderToModuleMap.get(key));
242 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
243 return new SchemaContextImpl(modules);
246 private Map<InputStream, ModuleBuilder> parseModuleBuilders(List<InputStream> inputStreams,
247 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
248 Map<InputStream, ModuleBuilder> modules = parseBuilders(inputStreams, streamToBuilderMap);
249 Map<InputStream, ModuleBuilder> result = resolveSubmodules(modules);
253 private Map<InputStream, ModuleBuilder> parseBuilders(List<InputStream> inputStreams,
254 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
255 final ParseTreeWalker walker = new ParseTreeWalker();
256 final Map<InputStream, ParseTree> trees = parseStreams(inputStreams);
257 final Map<InputStream, ModuleBuilder> builders = new LinkedHashMap<>();
260 new YangModelBasicValidator(walker).validate(new ArrayList<>(trees.values()));
262 YangParserListenerImpl yangModelParser;
263 for (Map.Entry<InputStream, ParseTree> entry : trees.entrySet()) {
264 yangModelParser = new YangParserListenerImpl();
265 walker.walk(yangModelParser, entry.getValue());
266 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
268 // We expect the order of trees and streams has to be the same
269 streamToBuilderMap.put(moduleBuilder, entry.getKey());
271 builders.put(entry.getKey(), moduleBuilder);
277 private Map<InputStream, ModuleBuilder> resolveSubmodules(Map<InputStream, ModuleBuilder> builders) {
278 Map<InputStream, ModuleBuilder> modules = new HashMap<>();
279 Set<ModuleBuilder> submodules = new HashSet<>();
280 for (Map.Entry<InputStream, ModuleBuilder> entry : builders.entrySet()) {
281 ModuleBuilder moduleBuilder = entry.getValue();
282 if (moduleBuilder.isSubmodule()) {
283 submodules.add(moduleBuilder);
285 modules.put(entry.getKey(), moduleBuilder);
289 Collection<ModuleBuilder> values = modules.values();
290 for (ModuleBuilder submodule : submodules) {
291 for (ModuleBuilder module : values) {
292 if (module.getName().equals(submodule.getBelongsTo())) {
293 addSubmoduleToModule(submodule, module);
300 private Collection<ModuleBuilder> resolveSubmodules(Collection<ModuleBuilder> builders) {
301 Collection<ModuleBuilder> modules = new HashSet<>();
302 Set<ModuleBuilder> submodules = new HashSet<>();
303 for (ModuleBuilder moduleBuilder : builders) {
304 if (moduleBuilder.isSubmodule()) {
305 submodules.add(moduleBuilder);
307 modules.add(moduleBuilder);
311 for (ModuleBuilder submodule : submodules) {
312 for (ModuleBuilder module : modules) {
313 if (module.getName().equals(submodule.getBelongsTo())) {
314 addSubmoduleToModule(submodule, module);
321 private void addSubmoduleToModule(ModuleBuilder submodule, ModuleBuilder module) {
322 submodule.setParent(module);
323 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
324 module.getModuleImports().addAll(submodule.getModuleImports());
325 module.getAugments().addAll(submodule.getAugments());
326 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
327 module.getAllAugments().addAll(submodule.getAllAugments());
328 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
329 module.getChildNodes().addAll(submodule.getChildNodes());
330 module.getGroupings().addAll(submodule.getGroupings());
331 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
332 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
333 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
334 module.getUsesNodes().addAll(submodule.getUsesNodes());
335 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
336 module.getAllGroupings().addAll(submodule.getAllGroupings());
337 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
338 module.getRpcs().addAll(submodule.getRpcs());
339 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
340 module.getNotifications().addAll(submodule.getNotifications());
341 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
342 module.getIdentities().addAll(submodule.getIdentities());
343 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
344 module.getFeatures().addAll(submodule.getFeatures());
345 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
346 module.getDeviations().addAll(submodule.getDeviations());
347 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
348 module.getExtensions().addAll(submodule.getExtensions());
349 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
350 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
351 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
354 private Map<String, TreeMap<Date, ModuleBuilder>> resolveModuleBuilders(final List<InputStream> yangFileStreams,
355 final Map<ModuleBuilder, InputStream> streamToBuilderMap, final SchemaContext context) {
356 Map<InputStream, ModuleBuilder> parsedBuilders = parseModuleBuilders(yangFileStreams, streamToBuilderMap);
357 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
358 parsedBuilders.values().toArray(builders);
360 // module dependency graph sorted
361 List<ModuleBuilder> sorted;
362 if (context == null) {
363 sorted = ModuleDependencySort.sort(builders);
365 sorted = ModuleDependencySort.sortWithContext(context, builders);
367 return orderModules(sorted);
371 * Order modules by name and revision.
375 * @return modules ordered by name and revision
377 private LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> orderModules(List<ModuleBuilder> modules) {
378 final LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
379 for (final ModuleBuilder builder : modules) {
380 if (builder == null) {
383 final String builderName = builder.getName();
384 Date builderRevision = builder.getRevision();
385 if (builderRevision == null) {
386 builderRevision = new Date(0L);
388 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(builderName);
389 if (builderByRevision == null) {
390 builderByRevision = new TreeMap<>();
392 builderByRevision.put(builderRevision, builder);
393 result.put(builderName, builderByRevision);
398 private void filterImports(ModuleBuilder main, List<ModuleBuilder> other, List<ModuleBuilder> filtered) {
399 Set<ModuleImport> imports = main.getModuleImports();
401 // if this is submodule, add parent to filtered and pick its imports
402 if (main.isSubmodule()) {
403 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
404 for (ModuleBuilder mb : other) {
405 if (mb.getName().equals(main.getBelongsTo())) {
406 dependencies.put(mb.getRevision(), mb);
409 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
410 filtered.add(parent);
411 imports.addAll(parent.getModuleImports());
414 for (ModuleImport mi : imports) {
415 for (ModuleBuilder builder : other) {
416 if (mi.getModuleName().equals(builder.getModuleName())) {
417 if (mi.getRevision() == null) {
418 if (!filtered.contains(builder)) {
419 filtered.add(builder);
420 filterImports(builder, other, filtered);
423 if (mi.getRevision().equals(builder.getRevision())) {
424 if (!filtered.contains(builder)) {
425 filtered.add(builder);
426 filterImports(builder, other, filtered);
435 private Map<InputStream, ParseTree> parseStreams(final List<InputStream> yangStreams) {
436 final Map<InputStream, ParseTree> trees = new HashMap<>();
437 for (InputStream yangStream : yangStreams) {
438 trees.put(yangStream, parseStream(yangStream));
443 private ParseTree parseStream(final InputStream yangStream) {
444 ParseTree result = null;
446 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
447 final YangLexer lexer = new YangLexer(input);
448 final CommonTokenStream tokens = new CommonTokenStream(lexer);
449 final YangParser parser = new YangParser(tokens);
450 parser.removeErrorListeners();
451 YangErrorListener errorListener = new YangErrorListener();
452 parser.addErrorListener(errorListener);
453 result = parser.yang();
454 errorListener.validate();
455 } catch (IOException e) {
456 LOG.warn("Exception while reading yang file: " + yangStream, e);
461 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
462 YangContext result = null;
464 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
465 final YangLexer lexer = new YangLexer(input);
466 final CommonTokenStream tokens = new CommonTokenStream(lexer);
467 final YangParser parser = new YangParser(tokens);
468 parser.removeErrorListeners();
469 result = parser.yang();
470 } catch (IOException e) {
471 LOG.warn("Exception while reading yang file: " + yangStream, e);
476 private Map<ModuleBuilder, Module> build(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
477 // fix unresolved nodes
478 resolveDirtyNodes(modules);
479 resolveAugmentsTargetPath(modules, null);
480 resolveUsesTargetGrouping(modules, null);
481 resolveUsesForGroupings(modules, null);
482 resolveUsesForNodes(modules, null);
483 resolveListsKey(modules);
484 resolveAugments(modules, null);
485 resolveDeviations(modules);
488 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
489 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
490 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
491 final ModuleBuilder moduleBuilder = childEntry.getValue();
492 final Module module = moduleBuilder.build();
493 result.put(moduleBuilder, module);
499 private Map<ModuleBuilder, Module> buildWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
500 final SchemaContext context) {
501 // fix unresolved nodes
502 resolvedDirtyNodesWithContext(modules, context);
503 resolveAugmentsTargetPath(modules, context);
504 resolveUsesTargetGrouping(modules, context);
505 resolveUsesForGroupings(modules, context);
506 resolveUsesForNodes(modules, context);
507 resolveListsKey(modules);
508 resolveAugments(modules, context);
509 resolveDeviationsWithContext(modules, context);
512 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
513 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
514 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
515 final ModuleBuilder moduleBuilder = childEntry.getValue();
516 final Module module = moduleBuilder.build();
517 result.put(moduleBuilder, module);
523 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
524 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
525 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
526 final ModuleBuilder module = childEntry.getValue();
527 resolveUnknownNodes(modules, module);
528 resolveIdentities(modules, module);
529 resolveDirtyNodes(modules, module);
534 private void resolvedDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
535 final SchemaContext context) {
536 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
537 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
538 final ModuleBuilder module = childEntry.getValue();
539 resolveUnknownNodesWithContext(modules, module, context);
540 resolveIdentitiesWithContext(modules, module, context);
541 resolveDirtyNodesWithContext(modules, module, context);
547 * Search for dirty nodes (node which contains UnknownType) and resolve
551 * all available modules
555 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
556 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
557 if (!dirtyNodes.isEmpty()) {
558 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
559 if (nodeToResolve instanceof UnionTypeBuilder) {
560 // special handling for union types
561 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
562 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
563 // special handling for identityref types
564 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
565 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
567 if (identity == null) {
568 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
570 idref.setBaseIdentity(identity);
571 nodeToResolve.setType(idref.build());
573 resolveType(nodeToResolve, modules, module);
579 private void resolveDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
580 final ModuleBuilder module, SchemaContext context) {
581 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
582 if (!dirtyNodes.isEmpty()) {
583 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
584 if (nodeToResolve instanceof UnionTypeBuilder) {
585 // special handling for union types
586 resolveTypeUnionWithContext((UnionTypeBuilder) nodeToResolve, modules, module, context);
587 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
588 // special handling for identityref types
589 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
590 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
592 idref.setBaseIdentity(identity);
593 nodeToResolve.setType(idref.build());
595 resolveTypeWithContext(nodeToResolve, modules, module, context);
602 * Correct augment target path.
607 private void resolveAugmentsTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
608 SchemaContext context) {
609 // collect augments from all loaded modules
610 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
611 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
612 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
613 allAugments.addAll(inner.getValue().getAllAugments());
617 for (AugmentationSchemaBuilder augment : allAugments) {
618 setCorrectAugmentTargetPath(modules, augment, context);
622 private void setCorrectAugmentTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
623 final AugmentationSchemaBuilder augment, final SchemaContext context) {
624 ModuleBuilder module = ParserUtils.getParentModule(augment);
625 SchemaPath oldSchemaPath = augment.getTargetPath();
626 List<QName> oldPath = oldSchemaPath.getPath();
627 List<QName> newPath = new ArrayList<>();
629 Builder parent = augment.getParent();
630 if (parent instanceof UsesNodeBuilder) {
631 DataNodeContainerBuilder usesParent = ((UsesNodeBuilder) parent).getParent();
632 newPath.addAll(usesParent.getPath().getPath());
637 QName baseQName = usesParent.getQName();
638 if (baseQName == null) {
639 ModuleBuilder m = ParserUtils.getParentModule(usesParent);
640 ns = m.getNamespace();
641 revision = m.getRevision();
642 prefix = m.getPrefix();
644 ns = baseQName.getNamespace();
645 revision = baseQName.getRevision();
646 prefix = baseQName.getPrefix();
649 for (QName qn : oldSchemaPath.getPath()) {
650 newPath.add(new QName(ns, revision, prefix, qn.getLocalName()));
654 for (QName qn : oldPath) {
655 URI ns = module.getNamespace();
656 Date rev = module.getRevision();
657 String pref = module.getPrefix();
658 String localPrefix = qn.getPrefix();
659 if (localPrefix != null && !("".equals(localPrefix))) {
660 ModuleBuilder currentModule = ParserUtils.findModuleFromBuilders(modules, module, localPrefix,
662 if (currentModule == null) {
663 Module m = ParserUtils.findModuleFromContext(context, module, localPrefix, augment.getLine());
665 throw new YangParseException(module.getName(), augment.getLine(), "Module with prefix "
666 + localPrefix + " not found.");
668 ns = m.getNamespace();
669 rev = m.getRevision();
670 pref = m.getPrefix();
672 ns = currentModule.getNamespace();
673 rev = currentModule.getRevision();
674 pref = currentModule.getPrefix();
677 newPath.add(new QName(ns, rev, pref, qn.getLocalName()));
680 augment.setTargetNodeSchemaPath(new SchemaPath(newPath, augment.getTargetPath().isAbsolute()));
682 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
683 correctPathForAugmentNodes(childNode, augment.getTargetNodeSchemaPath());
687 private void correctPathForAugmentNodes(DataSchemaNodeBuilder node, SchemaPath parentPath) {
688 SchemaPath newPath = ParserUtils.createSchemaPath(parentPath, node.getQName());
689 node.setPath(newPath);
690 if (node instanceof DataNodeContainerBuilder) {
691 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
692 correctPathForAugmentNodes(child, node.getPath());
695 if (node instanceof ChoiceBuilder) {
696 for (ChoiceCaseBuilder child : ((ChoiceBuilder)node).getCases()) {
697 correctPathForAugmentNodes(child, node.getPath());
703 * Check augments for mandatory nodes. If the target node is in another
704 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
705 * If mandatory node is found, throw an exception.
710 private void checkAugmentMandatoryNodes(Collection<AugmentationSchemaBuilder> augments) {
711 for (AugmentationSchemaBuilder augment : augments) {
712 String augmentPrefix = augment.getTargetPath().getPath().get(0).getPrefix();
713 ModuleBuilder module = ParserUtils.getParentModule(augment);
714 String modulePrefix = module.getPrefix();
716 if (augmentPrefix == null || augmentPrefix.isEmpty() || augmentPrefix.equals(modulePrefix)) {
720 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
721 if (childNode.getConstraints().isMandatory()) {
722 throw new YangParseException(augment.getModuleName(), augment.getLine(),
723 "Error in augment parsing: cannot augment mandatory node "
724 + childNode.getQName().getLocalName());
731 * Go through all augment definitions and resolve them. This method works in
732 * same way as {@link #resolveAugments(Map)} except that if target node is
733 * not found in loaded modules, it search for target node in given context.
738 * SchemaContext containing already resolved modules
740 private void resolveAugments(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
741 List<ModuleBuilder> all = new ArrayList<>();
742 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
743 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
744 all.add(inner.getValue());
748 List<ModuleBuilder> sorted;
749 if (context == null) {
750 sorted = ModuleDependencySort.sort(all.toArray(new ModuleBuilder[all.size()]));
752 sorted = ModuleDependencySort.sortWithContext(context, all.toArray(new ModuleBuilder[all.size()]));
755 for (ModuleBuilder mb : sorted) {
757 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
758 checkAugmentMandatoryNodes(augments);
759 Collections.sort(augments, Comparators.AUGMENT_COMP);
760 for (AugmentationSchemaBuilder augment : augments) {
761 if (!(augment.isResolved())) {
762 boolean resolved = resolveAugment(augment, mb, modules, context);
764 throw new YangParseException(augment.getModuleName(), augment.getLine(),
765 "Error in augment parsing: failed to find augment target: " + augment);
773 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
774 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
775 if (augment.isResolved()) {
779 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
780 DataNodeContainerBuilder parentNode = usesNode.getParent();
781 SchemaNodeBuilder targetNode;
782 if (parentNode instanceof ModuleBuilder) {
783 targetNode = findSchemaNodeInModule(augment.getTargetPath().getPath(), (ModuleBuilder)parentNode);
785 targetNode = findSchemaNode(augment.getTargetPath().getPath(), (SchemaNodeBuilder)parentNode);
788 fillAugmentTarget(augment, targetNode);
789 augment.setResolved(true);
793 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
794 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
795 if (augment.isResolved()) {
799 List<QName> targetPath = augment.getTargetPath().getPath();
800 ModuleBuilder targetModule = findTargetModule(targetPath.get(0), module, modules, context, augment.getLine());
801 if (targetModule == null) {
802 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
806 return processAugmentation(augment, targetModule);
810 * Find module from loaded modules or from context based on given qname. If
811 * module is found in context, create wrapper over this module and add it to
812 * collection of loaded modules.
825 private ModuleBuilder findTargetModule(final QName qname, final ModuleBuilder module,
826 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
827 ModuleBuilder targetModule = null;
829 String prefix = qname.getPrefix();
830 if (prefix == null || prefix.equals("")) {
831 targetModule = module;
833 targetModule = findModuleFromBuilders(modules, module, qname.getPrefix(), line);
836 if (targetModule == null && context != null) {
837 Module m = findModuleFromContext(context, module, prefix, line);
838 targetModule = new ModuleBuilder(m);
839 DataSchemaNode firstNode = m.getDataChildByName(qname.getLocalName());
840 DataSchemaNodeBuilder firstNodeWrapped = wrapChildNode(targetModule.getModuleName(), line, firstNode,
841 targetModule.getPath(), firstNode.getQName());
842 targetModule.addChildNode(firstNodeWrapped);
844 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
845 map.put(targetModule.getRevision(), targetModule);
846 modules.put(targetModule.getModuleName(), map);
853 * Go through identity statements defined in current module and resolve
854 * their 'base' statement if present.
859 * module being resolved
861 private void resolveIdentities(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
862 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
863 for (IdentitySchemaNodeBuilder identity : identities) {
864 final String baseIdentityName = identity.getBaseIdentityName();
865 final int line = identity.getLine();
866 if (baseIdentityName != null) {
867 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
868 if (baseIdentity == null) {
869 throw new YangParseException(module.getName(), identity.getLine(), "Failed to find base identity");
871 identity.setBaseIdentity(baseIdentity);
878 * Go through identity statements defined in current module and resolve
879 * their 'base' statement. Method tries to find base identity in given
880 * modules. If base identity is not found, method will search it in context.
887 * SchemaContext containing already resolved modules
889 private void resolveIdentitiesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
890 final ModuleBuilder module, final SchemaContext context) {
891 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
892 for (IdentitySchemaNodeBuilder identity : identities) {
893 final String baseIdentityName = identity.getBaseIdentityName();
894 final int line = identity.getLine();
895 if (baseIdentityName != null) {
896 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
897 if (baseIdentity == null) {
898 IdentitySchemaNode baseId = findBaseIdentityFromContext(modules, module, baseIdentityName, line,
900 identity.setBaseIdentity(baseId);
902 identity.setBaseIdentity(baseIdentity);
909 * Find and add reference of uses target grouping.
914 * SchemaContext containing already resolved modules or null if
915 * context is not available
917 private void resolveUsesTargetGrouping(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
918 final SchemaContext context) {
919 final List<UsesNodeBuilder> allUses = new ArrayList<>();
920 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
921 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
922 allUses.addAll(inner.getValue().getAllUsesNodes());
925 for (UsesNodeBuilder usesNode : allUses) {
926 ModuleBuilder module = ParserUtils.getParentModule(usesNode);
927 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
929 if (targetGroupingBuilder == null) {
930 if (context == null) {
931 throw new YangParseException(module.getName(), usesNode.getLine(), "Referenced grouping '"
932 + usesNode.getGroupingPathAsString() + "' not found.");
934 GroupingDefinition targetGroupingDefinition = GroupingUtils.getTargetGroupingFromContext(usesNode,
936 usesNode.setGroupingDefinition(targetGroupingDefinition);
939 usesNode.setGrouping(targetGroupingBuilder);
944 private void resolveUsesForGroupings(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
945 final Set<GroupingBuilder> allGroupings = new HashSet<>();
946 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
947 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
948 ModuleBuilder module = inner.getValue();
949 allGroupings.addAll(module.getAllGroupings());
952 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
953 for (GroupingBuilder gb : sorted) {
954 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
955 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
956 for (UsesNodeBuilder usesNode : usesNodes) {
957 resolveUses(usesNode, modules, context);
962 private void resolveUsesForNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
963 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
964 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
965 ModuleBuilder module = inner.getValue();
966 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
967 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
968 for (UsesNodeBuilder usesNode : usesNodes) {
969 resolveUses(usesNode, modules, context);
975 private void resolveUses(UsesNodeBuilder usesNode,
976 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
977 if (!usesNode.isResolved()) {
978 DataNodeContainerBuilder parent = usesNode.getParent();
979 ModuleBuilder module = ParserUtils.getParentModule(parent);
980 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
981 if (target == null) {
982 resolveUsesWithContext(usesNode);
983 usesNode.setResolved(true);
984 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
985 resolveUsesAugment(augment, module, modules, context);
988 parent.getChildNodeBuilders().addAll(target.instantiateChildNodes(parent));
989 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
990 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
991 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
992 usesNode.setResolved(true);
993 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
994 resolveUsesAugment(augment, module, modules, context);
997 GroupingUtils.performRefine(usesNode);
1001 private void resolveUsesWithContext(UsesNodeBuilder usesNode) {
1002 final int line = usesNode.getLine();
1003 DataNodeContainerBuilder parent = usesNode.getParent();
1004 ModuleBuilder module = ParserUtils.getParentModule(parent);
1005 SchemaPath parentPath;
1009 if (parent instanceof AugmentationSchemaBuilder || parent instanceof ModuleBuilder) {
1010 ns = module.getNamespace();
1011 rev = module.getRevision();
1012 pref = module.getPrefix();
1013 if (parent instanceof AugmentationSchemaBuilder) {
1014 parentPath = ((AugmentationSchemaBuilder)parent).getTargetNodeSchemaPath();
1016 parentPath = ((ModuleBuilder)parent).getPath();
1019 ns = ((DataSchemaNodeBuilder) parent).getQName().getNamespace();
1020 rev = ((DataSchemaNodeBuilder) parent).getQName().getRevision();
1021 pref = ((DataSchemaNodeBuilder) parent).getQName().getPrefix();
1022 parentPath = ((DataSchemaNodeBuilder)parent).getPath();
1025 GroupingDefinition gd = usesNode.getGroupingDefinition();
1027 Set<DataSchemaNodeBuilder> childNodes = wrapChildNodes(module.getModuleName(), line,
1028 gd.getChildNodes(), parentPath, ns, rev, pref);
1029 parent.getChildNodeBuilders().addAll(childNodes);
1030 for (DataSchemaNodeBuilder childNode : childNodes) {
1031 setNodeAddedByUses(childNode);
1034 Set<TypeDefinitionBuilder> typedefs = wrapTypedefs(module.getModuleName(), line, gd, parentPath, ns,
1036 parent.getTypeDefinitionBuilders().addAll(typedefs);
1037 for (TypeDefinitionBuilder typedef : typedefs) {
1038 setNodeAddedByUses(typedef);
1041 Set<GroupingBuilder> groupings = wrapGroupings(module.getModuleName(), line, usesNode
1042 .getGroupingDefinition().getGroupings(), parentPath, ns, rev, pref);
1043 parent.getGroupingBuilders().addAll(groupings);
1044 for (GroupingBuilder gb : groupings) {
1045 setNodeAddedByUses(gb);
1048 List<UnknownSchemaNodeBuilder> unknownNodes = wrapUnknownNodes(module.getModuleName(), line,
1049 gd.getUnknownSchemaNodes(), parentPath, ns, rev, pref);
1050 parent.getUnknownNodes().addAll(unknownNodes);
1051 for (UnknownSchemaNodeBuilder un : unknownNodes) {
1052 un.setAddedByUses(true);
1056 private void resolveListsKey(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1057 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1058 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1059 ModuleBuilder module = inner.getValue();
1060 List<ListSchemaNodeBuilder> allLists = module.getAllLists();
1061 for (ListSchemaNodeBuilder list : allLists) {
1062 List<String> keys = list.getKeys();
1064 list.setKeyDefinition(Collections.<QName> emptyList());
1066 List<QName> qnames = new ArrayList<>();
1067 for (String key : keys) {
1068 qnames.add(list.getDataChildByName(key).getQName());
1070 list.setKeyDefinition(qnames);
1078 private void resolveUnknownNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1079 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1080 QName nodeType = usnb.getNodeType();
1082 ModuleBuilder dependentModule = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1084 for (ExtensionBuilder extension : dependentModule.getAddedExtensions()) {
1085 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1086 usnb.setNodeType(extension.getQName());
1087 usnb.setExtensionBuilder(extension);
1091 } catch (YangParseException e) {
1092 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1093 + ": no such extension definition found.", e);
1098 private void resolveUnknownNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1099 final ModuleBuilder module, final SchemaContext context) {
1100 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1101 QName nodeType = usnb.getNodeType();
1103 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1106 if (dependentModuleBuilder == null) {
1107 Module dependentModule = findModuleFromContext(context, module, nodeType.getPrefix(),
1109 for (ExtensionDefinition e : dependentModule.getExtensionSchemaNodes()) {
1110 if (e.getQName().getLocalName().equals(nodeType.getLocalName())) {
1111 usnb.setNodeType(new QName(e.getQName().getNamespace(), e.getQName().getRevision(),
1112 nodeType.getPrefix(), e.getQName().getLocalName()));
1113 usnb.setExtensionDefinition(e);
1118 for (ExtensionBuilder extension : dependentModuleBuilder.getAddedExtensions()) {
1119 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1120 usnb.setExtensionBuilder(extension);
1126 } catch (YangParseException e) {
1127 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1128 + ": no such extension definition found.", e);
1135 * Traverse through modules and resolve their deviation statements.
1138 * all loaded modules
1140 private void resolveDeviations(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1141 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1142 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1143 ModuleBuilder b = inner.getValue();
1144 resolveDeviation(modules, b);
1150 * Traverse through module and resolve its deviation statements.
1153 * all loaded modules
1155 * module in which resolve deviations
1157 private void resolveDeviation(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1158 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1159 int line = dev.getLine();
1160 SchemaPath targetPath = dev.getTargetPath();
1161 List<QName> path = targetPath.getPath();
1162 QName q0 = path.get(0);
1163 String prefix = q0.getPrefix();
1164 if (prefix == null) {
1165 prefix = module.getPrefix();
1168 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1169 processDeviation(dev, dependentModuleBuilder, path, module);
1174 * Traverse through modules and resolve their deviation statements with
1178 * all loaded modules
1180 * already resolved context
1182 private void resolveDeviationsWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1183 final SchemaContext context) {
1184 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1185 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1186 ModuleBuilder b = inner.getValue();
1187 resolveDeviationWithContext(modules, b, context);
1193 * Traverse through module and resolve its deviation statements with given
1197 * all loaded modules
1199 * module in which resolve deviations
1201 * already resolved context
1203 private void resolveDeviationWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1204 final ModuleBuilder module, final SchemaContext context) {
1205 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1206 int line = dev.getLine();
1207 SchemaPath targetPath = dev.getTargetPath();
1208 List<QName> path = targetPath.getPath();
1209 QName q0 = path.get(0);
1210 String prefix = q0.getPrefix();
1211 if (prefix == null) {
1212 prefix = module.getPrefix();
1215 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1216 if (dependentModuleBuilder == null) {
1217 Object currentParent = findModuleFromContext(context, module, prefix, line);
1219 for (QName q : path) {
1220 if (currentParent == null) {
1221 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1223 String name = q.getLocalName();
1224 if (currentParent instanceof DataNodeContainer) {
1225 currentParent = ((DataNodeContainer) currentParent).getDataChildByName(name);
1229 if (currentParent == null) {
1230 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1232 if (currentParent instanceof SchemaNode) {
1233 dev.setTargetPath(((SchemaNode) currentParent).getPath());
1237 processDeviation(dev, dependentModuleBuilder, path, module);
1243 * Correct deviation target path in deviation builder.
1247 * @param dependentModuleBuilder
1248 * module containing deviation target
1250 * current deviation target path
1254 private void processDeviation(final DeviationBuilder dev, final ModuleBuilder dependentModuleBuilder,
1255 final List<QName> path, final ModuleBuilder module) {
1256 final int line = dev.getLine();
1257 Builder currentParent = dependentModuleBuilder;
1259 for (QName q : path) {
1260 if (currentParent == null) {
1261 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1263 String name = q.getLocalName();
1264 if (currentParent instanceof DataNodeContainerBuilder) {
1265 currentParent = ((DataNodeContainerBuilder) currentParent).getDataChildByName(name);
1269 if (!(currentParent instanceof SchemaNodeBuilder)) {
1270 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1272 dev.setTargetPath(((SchemaNodeBuilder) currentParent).getPath());