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.NamedFileInputStream;
49 import org.opendaylight.yangtools.yang.parser.util.ParserUtils;
50 import org.opendaylight.yangtools.yang.parser.util.YangParseException;
51 import org.opendaylight.yangtools.yang.validator.YangModelBasicValidator;
52 import org.slf4j.Logger;
53 import org.slf4j.LoggerFactory;
55 import com.google.common.base.Preconditions;
58 public final class YangParserImpl implements YangModelParser {
59 private static final Logger LOG = LoggerFactory.getLogger(YangParserImpl.class);
61 private static final String FAIL_DEVIATION_TARGET = "Failed to find deviation target.";
64 public Set<Module> parseYangModels(final File yangFile, final File directory) {
65 Preconditions.checkState(yangFile.exists(), yangFile + " does not exists");
66 Preconditions.checkState(directory.exists(), directory + " does not exists");
67 Preconditions.checkState(directory.isDirectory(), directory + " is not a directory");
69 final String yangFileName = yangFile.getName();
70 final String[] fileList = directory.list();
71 Preconditions.checkNotNull(fileList, directory + " not found");
73 FileInputStream yangFileStream = null;
74 LinkedHashMap<InputStream, File> streamToFileMap = new LinkedHashMap<>();
76 yangFileStream = new FileInputStream(yangFile);
77 streamToFileMap.put(yangFileStream, yangFile);
78 } catch (FileNotFoundException e) {
79 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
82 for (String fileName : fileList) {
83 if (fileName.equals(yangFileName)) {
86 File dependency = new File(directory, fileName);
88 if (dependency.isFile()) {
89 streamToFileMap.put(new FileInputStream(dependency), dependency);
91 } catch (FileNotFoundException e) {
92 LOG.warn("Exception while reading yang file: " + fileName, e);
96 Map<InputStream, ModuleBuilder> parsedBuilders = parseBuilders(new ArrayList<>(streamToFileMap.keySet()),
97 new HashMap<ModuleBuilder, InputStream>());
98 ModuleBuilder main = parsedBuilders.get(yangFileStream);
100 List<ModuleBuilder> moduleBuilders = new ArrayList<>();
101 moduleBuilders.add(main);
102 filterImports(main, new ArrayList<>(parsedBuilders.values()), moduleBuilders);
103 Collection<ModuleBuilder> result = resolveSubmodules(moduleBuilders);
105 // module builders sorted by dependencies
106 ModuleBuilder[] builders = new ModuleBuilder[result.size()];
107 result.toArray(builders);
108 List<ModuleBuilder> sortedBuilders = ModuleDependencySort.sort(builders);
109 LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> modules = orderModules(sortedBuilders);
110 Collection<Module> unsorted = build(modules).values();
111 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
115 public Set<Module> parseYangModels(final List<File> yangFiles) {
116 Collection<Module> unsorted = parseYangModelsMapped(yangFiles).values();
117 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
121 public Set<Module> parseYangModels(final List<File> yangFiles, final SchemaContext context) {
122 if (yangFiles == null) {
123 return Collections.emptySet();
126 final Map<InputStream, File> inputStreams = new HashMap<>();
127 for (final File yangFile : yangFiles) {
129 inputStreams.put(new FileInputStream(yangFile), yangFile);
130 } catch (FileNotFoundException e) {
131 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
135 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
136 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
137 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
138 builderToStreamMap, null);
140 for (InputStream is : inputStreams.keySet()) {
143 } catch (IOException e) {
144 LOG.debug("Failed to close stream.");
148 final Collection<Module> unsorted = buildWithContext(modules, context).values();
149 if (context != null) {
150 for (Module m : context.getModules()) {
151 if (!unsorted.contains(m)) {
156 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
160 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams) {
161 Collection<Module> unsorted = parseYangModelsFromStreamsMapped(yangModelStreams).values();
162 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
166 public Set<Module> parseYangModelsFromStreams(final List<InputStream> yangModelStreams, SchemaContext context) {
167 if (yangModelStreams == null) {
168 return Collections.emptySet();
171 final Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
172 final Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams,
173 builderToStreamMap, context);
174 final Set<Module> unsorted = new LinkedHashSet<>(buildWithContext(modules, context).values());
175 if (context != null) {
176 for (Module m : context.getModules()) {
177 if (!unsorted.contains(m)) {
182 return new LinkedHashSet<>(ModuleDependencySort.sort(unsorted.toArray(new Module[unsorted.size()])));
186 public Map<File, Module> parseYangModelsMapped(List<File> yangFiles) {
187 if (yangFiles == null) {
188 return Collections.emptyMap();
191 final Map<InputStream, File> inputStreams = new HashMap<>();
192 for (final File yangFile : yangFiles) {
195 inputStreams.put(new FileInputStream(yangFile), yangFile);
196 } catch (FileNotFoundException e) {
197 LOG.warn("Exception while reading yang file: " + yangFile.getName(), e);
201 List<InputStream> yangModelStreams = new ArrayList<>(inputStreams.keySet());
202 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
203 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
206 for (InputStream is : inputStreams.keySet()) {
209 } catch (IOException e) {
210 LOG.debug("Failed to close stream.");
214 Map<File, Module> result = new LinkedHashMap<>();
215 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
216 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
217 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
218 for (ModuleBuilder key : sorted) {
219 result.put(inputStreams.get(builderToStreamMap.get(key)), builderToModuleMap.get(key));
225 public Map<InputStream, Module> parseYangModelsFromStreamsMapped(final List<InputStream> yangModelStreams) {
226 if (yangModelStreams == null) {
227 return Collections.emptyMap();
230 Map<ModuleBuilder, InputStream> builderToStreamMap = new HashMap<>();
231 Map<String, TreeMap<Date, ModuleBuilder>> modules = resolveModuleBuilders(yangModelStreams, builderToStreamMap,
233 Map<InputStream, Module> result = new LinkedHashMap<>();
234 Map<ModuleBuilder, Module> builderToModuleMap = build(modules);
235 Set<ModuleBuilder> keyset = builderToModuleMap.keySet();
236 List<ModuleBuilder> sorted = ModuleDependencySort.sort(keyset.toArray(new ModuleBuilder[keyset.size()]));
237 for (ModuleBuilder key : sorted) {
238 result.put(builderToStreamMap.get(key), builderToModuleMap.get(key));
244 public SchemaContext resolveSchemaContext(final Set<Module> modules) {
245 return new SchemaContextImpl(modules);
248 private Map<InputStream, ModuleBuilder> parseModuleBuilders(List<InputStream> inputStreams,
249 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
250 Map<InputStream, ModuleBuilder> modules = parseBuilders(inputStreams, streamToBuilderMap);
251 Map<InputStream, ModuleBuilder> result = resolveSubmodules(modules);
255 private Map<InputStream, ModuleBuilder> parseBuilders(List<InputStream> inputStreams,
256 Map<ModuleBuilder, InputStream> streamToBuilderMap) {
257 final ParseTreeWalker walker = new ParseTreeWalker();
258 final Map<InputStream, ParseTree> trees = parseStreams(inputStreams);
259 final Map<InputStream, ModuleBuilder> builders = new LinkedHashMap<>();
262 new YangModelBasicValidator(walker).validate(new ArrayList<>(trees.values()));
264 YangParserListenerImpl yangModelParser;
265 for (Map.Entry<InputStream, ParseTree> entry : trees.entrySet()) {
266 InputStream is = entry.getKey();
268 if (is instanceof NamedFileInputStream) {
269 NamedFileInputStream nis = (NamedFileInputStream)is;
270 path = nis.getFileDestination();
272 yangModelParser = new YangParserListenerImpl(path);
273 walker.walk(yangModelParser, entry.getValue());
274 ModuleBuilder moduleBuilder = yangModelParser.getModuleBuilder();
276 // We expect the order of trees and streams has to be the same
277 streamToBuilderMap.put(moduleBuilder, entry.getKey());
279 builders.put(entry.getKey(), moduleBuilder);
285 private Map<InputStream, ModuleBuilder> resolveSubmodules(Map<InputStream, ModuleBuilder> builders) {
286 Map<InputStream, ModuleBuilder> modules = new HashMap<>();
287 Set<ModuleBuilder> submodules = new HashSet<>();
288 for (Map.Entry<InputStream, ModuleBuilder> entry : builders.entrySet()) {
289 ModuleBuilder moduleBuilder = entry.getValue();
290 if (moduleBuilder.isSubmodule()) {
291 submodules.add(moduleBuilder);
293 modules.put(entry.getKey(), moduleBuilder);
297 Collection<ModuleBuilder> values = modules.values();
298 for (ModuleBuilder submodule : submodules) {
299 for (ModuleBuilder module : values) {
300 if (module.getName().equals(submodule.getBelongsTo())) {
301 addSubmoduleToModule(submodule, module);
308 private Collection<ModuleBuilder> resolveSubmodules(Collection<ModuleBuilder> builders) {
309 Collection<ModuleBuilder> modules = new HashSet<>();
310 Set<ModuleBuilder> submodules = new HashSet<>();
311 for (ModuleBuilder moduleBuilder : builders) {
312 if (moduleBuilder.isSubmodule()) {
313 submodules.add(moduleBuilder);
315 modules.add(moduleBuilder);
319 for (ModuleBuilder submodule : submodules) {
320 for (ModuleBuilder module : modules) {
321 if (module.getName().equals(submodule.getBelongsTo())) {
322 addSubmoduleToModule(submodule, module);
329 private void addSubmoduleToModule(ModuleBuilder submodule, ModuleBuilder module) {
330 submodule.setParent(module);
331 module.getDirtyNodes().addAll(submodule.getDirtyNodes());
332 module.getModuleImports().addAll(submodule.getModuleImports());
333 module.getAugments().addAll(submodule.getAugments());
334 module.getAugmentBuilders().addAll(submodule.getAugmentBuilders());
335 module.getAllAugments().addAll(submodule.getAllAugments());
336 module.getChildNodeBuilders().addAll(submodule.getChildNodeBuilders());
337 module.getChildNodes().addAll(submodule.getChildNodes());
338 module.getGroupings().addAll(submodule.getGroupings());
339 module.getGroupingBuilders().addAll(submodule.getGroupingBuilders());
340 module.getTypeDefinitions().addAll(submodule.getTypeDefinitions());
341 module.getTypeDefinitionBuilders().addAll(submodule.getTypeDefinitionBuilders());
342 module.getUsesNodes().addAll(submodule.getUsesNodes());
343 module.getUsesNodeBuilders().addAll(submodule.getUsesNodeBuilders());
344 module.getAllGroupings().addAll(submodule.getAllGroupings());
345 module.getAllUsesNodes().addAll(submodule.getAllUsesNodes());
346 module.getRpcs().addAll(submodule.getRpcs());
347 module.getAddedRpcs().addAll(submodule.getAddedRpcs());
348 module.getNotifications().addAll(submodule.getNotifications());
349 module.getAddedNotifications().addAll(submodule.getAddedNotifications());
350 module.getIdentities().addAll(submodule.getIdentities());
351 module.getAddedIdentities().addAll(submodule.getAddedIdentities());
352 module.getFeatures().addAll(submodule.getFeatures());
353 module.getAddedFeatures().addAll(submodule.getAddedFeatures());
354 module.getDeviations().addAll(submodule.getDeviations());
355 module.getDeviationBuilders().addAll(submodule.getDeviationBuilders());
356 module.getExtensions().addAll(submodule.getExtensions());
357 module.getAddedExtensions().addAll(submodule.getAddedExtensions());
358 module.getUnknownNodes().addAll(submodule.getUnknownNodes());
359 module.getAllUnknownNodes().addAll(submodule.getAllUnknownNodes());
362 private Map<String, TreeMap<Date, ModuleBuilder>> resolveModuleBuilders(final List<InputStream> yangFileStreams,
363 final Map<ModuleBuilder, InputStream> streamToBuilderMap, final SchemaContext context) {
364 Map<InputStream, ModuleBuilder> parsedBuilders = parseModuleBuilders(yangFileStreams, streamToBuilderMap);
365 ModuleBuilder[] builders = new ModuleBuilder[parsedBuilders.size()];
366 parsedBuilders.values().toArray(builders);
368 // module dependency graph sorted
369 List<ModuleBuilder> sorted;
370 if (context == null) {
371 sorted = ModuleDependencySort.sort(builders);
373 sorted = ModuleDependencySort.sortWithContext(context, builders);
375 return orderModules(sorted);
379 * Order modules by name and revision.
383 * @return modules ordered by name and revision
385 private LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> orderModules(List<ModuleBuilder> modules) {
386 final LinkedHashMap<String, TreeMap<Date, ModuleBuilder>> result = new LinkedHashMap<>();
387 for (final ModuleBuilder builder : modules) {
388 if (builder == null) {
391 final String builderName = builder.getName();
392 Date builderRevision = builder.getRevision();
393 if (builderRevision == null) {
394 builderRevision = new Date(0L);
396 TreeMap<Date, ModuleBuilder> builderByRevision = result.get(builderName);
397 if (builderByRevision == null) {
398 builderByRevision = new TreeMap<>();
400 builderByRevision.put(builderRevision, builder);
401 result.put(builderName, builderByRevision);
406 private void filterImports(ModuleBuilder main, List<ModuleBuilder> other, List<ModuleBuilder> filtered) {
407 Set<ModuleImport> imports = main.getModuleImports();
409 // if this is submodule, add parent to filtered and pick its imports
410 if (main.isSubmodule()) {
411 TreeMap<Date, ModuleBuilder> dependencies = new TreeMap<>();
412 for (ModuleBuilder mb : other) {
413 if (mb.getName().equals(main.getBelongsTo())) {
414 dependencies.put(mb.getRevision(), mb);
417 ModuleBuilder parent = dependencies.get(dependencies.firstKey());
418 filtered.add(parent);
419 imports.addAll(parent.getModuleImports());
422 for (ModuleImport mi : imports) {
423 for (ModuleBuilder builder : other) {
424 if (mi.getModuleName().equals(builder.getModuleName())) {
425 if (mi.getRevision() == null) {
426 if (!filtered.contains(builder)) {
427 filtered.add(builder);
428 filterImports(builder, other, filtered);
431 if (mi.getRevision().equals(builder.getRevision())) {
432 if (!filtered.contains(builder)) {
433 filtered.add(builder);
434 filterImports(builder, other, filtered);
443 private Map<InputStream, ParseTree> parseStreams(final List<InputStream> yangStreams) {
444 final Map<InputStream, ParseTree> trees = new HashMap<>();
445 for (InputStream yangStream : yangStreams) {
446 trees.put(yangStream, parseStream(yangStream));
451 private ParseTree parseStream(final InputStream yangStream) {
452 ParseTree result = null;
454 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
455 final YangLexer lexer = new YangLexer(input);
456 final CommonTokenStream tokens = new CommonTokenStream(lexer);
457 final YangParser parser = new YangParser(tokens);
458 parser.removeErrorListeners();
459 YangErrorListener errorListener = new YangErrorListener();
460 parser.addErrorListener(errorListener);
461 result = parser.yang();
462 errorListener.validate();
463 } catch (IOException e) {
464 LOG.warn("Exception while reading yang file: " + yangStream, e);
469 public static YangContext parseStreamWithoutErrorListeners(final InputStream yangStream) {
470 YangContext result = null;
472 final ANTLRInputStream input = new ANTLRInputStream(yangStream);
473 final YangLexer lexer = new YangLexer(input);
474 final CommonTokenStream tokens = new CommonTokenStream(lexer);
475 final YangParser parser = new YangParser(tokens);
476 parser.removeErrorListeners();
477 result = parser.yang();
478 } catch (IOException e) {
479 LOG.warn("Exception while reading yang file: " + yangStream, e);
485 * Creates builder-to-module map based on given modules. Method first
486 * resolve unresolved type references, instantiate groupings through uses
487 * statements and perform augmentation.
489 * Node resolving must be performed in following order:
492 * unresolved type references</li>
494 * uses in groupings</li>
496 * uses in other nodes</li>
503 * @return modules mapped on their builders
505 private Map<ModuleBuilder, Module> build(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
506 resolveDirtyNodes(modules);
507 resolveAugmentsTargetPath(modules, null);
508 resolveUsesTargetGrouping(modules, null);
509 resolveUsesForGroupings(modules, null);
510 resolveUsesForNodes(modules, null);
511 resolveAugments(modules, null);
512 resolveDeviations(modules);
515 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
516 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
517 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
518 final ModuleBuilder moduleBuilder = childEntry.getValue();
519 final Module module = moduleBuilder.build();
520 result.put(moduleBuilder, module);
527 * Creates builder-to-module map based on given modules. Method first
528 * resolve unresolved type references, instantiate groupings through uses
529 * statements and perform augmentation.
531 * Node resolving must be performed in following order:
534 * unresolved type references</li>
536 * uses in groupings</li>
538 * uses in other nodes</li>
546 * SchemaContext containing already resolved modules
547 * @return modules mapped on their builders
549 private Map<ModuleBuilder, Module> buildWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
550 final SchemaContext context) {
551 resolvedDirtyNodesWithContext(modules, context);
552 resolveAugmentsTargetPath(modules, context);
553 resolveUsesTargetGrouping(modules, context);
554 resolveUsesForGroupings(modules, context);
555 resolveUsesForNodes(modules, context);
556 resolveAugments(modules, context);
557 resolveDeviationsWithContext(modules, context);
560 final Map<ModuleBuilder, Module> result = new LinkedHashMap<>();
561 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
562 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
563 final ModuleBuilder moduleBuilder = childEntry.getValue();
564 final Module module = moduleBuilder.build();
565 result.put(moduleBuilder, module);
572 * Resolve all unresolved type references.
577 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
578 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
579 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
580 final ModuleBuilder module = childEntry.getValue();
581 resolveUnknownNodes(modules, module);
582 resolveIdentities(modules, module);
583 resolveDirtyNodes(modules, module);
589 * Resolve all unresolved type references.
594 * SchemaContext containing already resolved modules
596 private void resolvedDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
597 final SchemaContext context) {
598 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
599 for (Map.Entry<Date, ModuleBuilder> childEntry : entry.getValue().entrySet()) {
600 final ModuleBuilder module = childEntry.getValue();
601 resolveUnknownNodesWithContext(modules, module, context);
602 resolveIdentitiesWithContext(modules, module, context);
603 resolveDirtyNodesWithContext(modules, module, context);
609 * Search for dirty nodes (node which contains UnknownType) and resolve
613 * all available modules
617 private void resolveDirtyNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
618 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
619 if (!dirtyNodes.isEmpty()) {
620 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
621 if (nodeToResolve instanceof UnionTypeBuilder) {
622 // special handling for union types
623 resolveTypeUnion((UnionTypeBuilder) nodeToResolve, modules, module);
624 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
625 // special handling for identityref types
626 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
627 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
629 if (identity == null) {
630 throw new YangParseException(module.getName(), idref.getLine(), "Failed to find base identity");
632 idref.setBaseIdentity(identity);
633 nodeToResolve.setType(idref.build());
635 resolveType(nodeToResolve, modules, module);
641 private void resolveDirtyNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
642 final ModuleBuilder module, SchemaContext context) {
643 final Set<TypeAwareBuilder> dirtyNodes = module.getDirtyNodes();
644 if (!dirtyNodes.isEmpty()) {
645 for (TypeAwareBuilder nodeToResolve : dirtyNodes) {
646 if (nodeToResolve instanceof UnionTypeBuilder) {
647 // special handling for union types
648 resolveTypeUnionWithContext((UnionTypeBuilder) nodeToResolve, modules, module, context);
649 } else if (nodeToResolve.getTypedef() instanceof IdentityrefTypeBuilder) {
650 // special handling for identityref types
651 IdentityrefTypeBuilder idref = (IdentityrefTypeBuilder) nodeToResolve.getTypedef();
652 IdentitySchemaNodeBuilder identity = findBaseIdentity(modules, module, idref.getBaseString(),
654 idref.setBaseIdentity(identity);
655 nodeToResolve.setType(idref.build());
657 resolveTypeWithContext(nodeToResolve, modules, module, context);
664 * Traverse through augmentations of modules and fix their child nodes
670 * SchemaContext containing already resolved modules
672 private void resolveAugmentsTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
673 SchemaContext context) {
674 // collect augments from all loaded modules
675 final List<AugmentationSchemaBuilder> allAugments = new ArrayList<>();
676 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
677 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
678 allAugments.addAll(inner.getValue().getAllAugments());
682 for (AugmentationSchemaBuilder augment : allAugments) {
683 setCorrectAugmentTargetPath(modules, augment, context);
688 * Find augment target and set correct schema path for all its child nodes.
695 * SchemaContext containing already resolved modules
697 private void setCorrectAugmentTargetPath(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
698 final AugmentationSchemaBuilder augment, final SchemaContext context) {
699 ModuleBuilder module = ParserUtils.getParentModule(augment);
700 SchemaPath oldSchemaPath = augment.getTargetPath();
701 List<QName> oldPath = oldSchemaPath.getPath();
702 List<QName> newPath = new ArrayList<>();
704 Builder parent = augment.getParent();
705 if (parent instanceof UsesNodeBuilder) {
706 DataNodeContainerBuilder usesParent = ((UsesNodeBuilder) parent).getParent();
707 newPath.addAll(usesParent.getPath().getPath());
712 QName baseQName = usesParent.getQName();
713 if (baseQName == null) {
714 ModuleBuilder m = ParserUtils.getParentModule(usesParent);
715 ns = m.getNamespace();
716 revision = m.getRevision();
717 prefix = m.getPrefix();
719 ns = baseQName.getNamespace();
720 revision = baseQName.getRevision();
721 prefix = baseQName.getPrefix();
724 for (QName qn : oldSchemaPath.getPath()) {
725 newPath.add(new QName(ns, revision, prefix, qn.getLocalName()));
728 for (QName qn : oldPath) {
729 URI ns = module.getNamespace();
730 Date rev = module.getRevision();
731 String localPrefix = qn.getPrefix();
732 if (localPrefix != null && !("".equals(localPrefix))) {
733 ModuleBuilder currentModule = ParserUtils.findModuleFromBuilders(modules, module, localPrefix,
735 if (currentModule == null) {
736 Module m = ParserUtils.findModuleFromContext(context, module, localPrefix, augment.getLine());
738 throw new YangParseException(module.getName(), augment.getLine(), "Module with prefix "
739 + localPrefix + " not found.");
741 ns = m.getNamespace();
742 rev = m.getRevision();
744 ns = currentModule.getNamespace();
745 rev = currentModule.getRevision();
748 newPath.add(new QName(ns, rev, localPrefix, qn.getLocalName()));
751 augment.setTargetNodeSchemaPath(new SchemaPath(newPath, augment.getTargetPath().isAbsolute()));
753 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
754 correctPathForAugmentNodes(childNode, augment.getTargetNodeSchemaPath());
759 * Set new schema path to node and all its child nodes based on given parent
760 * path. This method do not change the namespace.
763 * node which schema path should be updated
765 * schema path of parent node
767 private void correctPathForAugmentNodes(DataSchemaNodeBuilder node, SchemaPath parentPath) {
768 SchemaPath newPath = ParserUtils.createSchemaPath(parentPath, node.getQName());
769 node.setPath(newPath);
770 if (node instanceof DataNodeContainerBuilder) {
771 for (DataSchemaNodeBuilder child : ((DataNodeContainerBuilder) node).getChildNodeBuilders()) {
772 correctPathForAugmentNodes(child, node.getPath());
775 if (node instanceof ChoiceBuilder) {
776 for (ChoiceCaseBuilder child : ((ChoiceBuilder)node).getCases()) {
777 correctPathForAugmentNodes(child, node.getPath());
783 * Check augments for mandatory nodes. If the target node is in another
784 * module, then nodes added by the augmentation MUST NOT be mandatory nodes.
785 * If mandatory node is found, throw an exception.
790 private void checkAugmentMandatoryNodes(Collection<AugmentationSchemaBuilder> augments) {
791 for (AugmentationSchemaBuilder augment : augments) {
792 String augmentPrefix = augment.getTargetPath().getPath().get(0).getPrefix();
793 ModuleBuilder module = ParserUtils.getParentModule(augment);
794 String modulePrefix = module.getPrefix();
796 if (augmentPrefix == null || augmentPrefix.isEmpty() || augmentPrefix.equals(modulePrefix)) {
800 for (DataSchemaNodeBuilder childNode : augment.getChildNodeBuilders()) {
801 if (childNode.getConstraints().isMandatory()) {
802 throw new YangParseException(augment.getModuleName(), augment.getLine(),
803 "Error in augment parsing: cannot augment mandatory node "
804 + childNode.getQName().getLocalName());
811 * Go through all augment definitions and resolve them.
816 * SchemaContext containing already resolved modules
818 private void resolveAugments(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
819 List<ModuleBuilder> all = new ArrayList<>();
820 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
821 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
822 all.add(inner.getValue());
826 List<ModuleBuilder> sorted;
827 if (context == null) {
828 sorted = ModuleDependencySort.sort(all.toArray(new ModuleBuilder[all.size()]));
830 sorted = ModuleDependencySort.sortWithContext(context, all.toArray(new ModuleBuilder[all.size()]));
833 for (ModuleBuilder mb : sorted) {
835 List<AugmentationSchemaBuilder> augments = mb.getAllAugments();
836 checkAugmentMandatoryNodes(augments);
837 Collections.sort(augments, Comparators.AUGMENT_COMP);
838 for (AugmentationSchemaBuilder augment : augments) {
839 if (!(augment.isResolved())) {
840 boolean resolved = resolveAugment(augment, mb, modules, context);
842 throw new YangParseException(augment.getModuleName(), augment.getLine(),
843 "Error in augment parsing: failed to find augment target: " + augment);
852 * Perform augmentation defined under uses statement.
861 * SchemaContext containing already resolved modules
862 * @return true if augment process succeed
864 private boolean resolveUsesAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
865 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
866 if (augment.isResolved()) {
870 UsesNodeBuilder usesNode = (UsesNodeBuilder) augment.getParent();
871 DataNodeContainerBuilder parentNode = usesNode.getParent();
872 SchemaNodeBuilder targetNode;
873 if (parentNode instanceof ModuleBuilder) {
874 targetNode = findSchemaNodeInModule(augment.getTargetPath().getPath(), (ModuleBuilder) parentNode);
876 targetNode = findSchemaNode(augment.getTargetPath().getPath(), (SchemaNodeBuilder) parentNode);
879 fillAugmentTarget(augment, targetNode);
880 augment.setResolved(true);
885 * Find augment target module and perform augmentation.
894 * SchemaContext containing already resolved modules
895 * @return true if augment process succeed
897 private boolean resolveAugment(final AugmentationSchemaBuilder augment, final ModuleBuilder module,
898 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
899 if (augment.isResolved()) {
903 List<QName> targetPath = augment.getTargetPath().getPath();
904 ModuleBuilder targetModule = findTargetModule(targetPath.get(0), module, modules, context, augment.getLine());
905 if (targetModule == null) {
906 throw new YangParseException(module.getModuleName(), augment.getLine(), "Failed to resolve augment "
910 return processAugmentation(augment, targetModule);
914 * Find module from loaded modules or from context based on given qname. If
915 * module is found in context, create wrapper over this module and add it to
916 * collection of loaded modules.
929 private ModuleBuilder findTargetModule(final QName qname, final ModuleBuilder module,
930 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context, final int line) {
931 ModuleBuilder targetModule = null;
933 String prefix = qname.getPrefix();
934 if (prefix == null || prefix.equals("")) {
935 targetModule = module;
937 targetModule = findModuleFromBuilders(modules, module, qname.getPrefix(), line);
940 if (targetModule == null && context != null) {
941 Module m = findModuleFromContext(context, module, prefix, line);
942 targetModule = new ModuleBuilder(m);
943 DataSchemaNode firstNode = m.getDataChildByName(qname.getLocalName());
944 DataSchemaNodeBuilder firstNodeWrapped = wrapChildNode(targetModule.getModuleName(), line, firstNode,
945 targetModule.getPath(), firstNode.getQName());
946 targetModule.addChildNode(firstNodeWrapped);
948 TreeMap<Date, ModuleBuilder> map = new TreeMap<>();
949 map.put(targetModule.getRevision(), targetModule);
950 modules.put(targetModule.getModuleName(), map);
957 * Go through identity statements defined in current module and resolve
958 * their 'base' statement if present.
963 * module being resolved
965 private void resolveIdentities(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
966 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
967 for (IdentitySchemaNodeBuilder identity : identities) {
968 final String baseIdentityName = identity.getBaseIdentityName();
969 final int line = identity.getLine();
970 if (baseIdentityName != null) {
971 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
972 if (baseIdentity == null) {
973 throw new YangParseException(module.getName(), identity.getLine(), "Failed to find base identity");
975 identity.setBaseIdentity(baseIdentity);
982 * Go through identity statements defined in current module and resolve
983 * their 'base' statement. Method tries to find base identity in given
984 * modules. If base identity is not found, method will search it in context.
991 * SchemaContext containing already resolved modules
993 private void resolveIdentitiesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
994 final ModuleBuilder module, final SchemaContext context) {
995 final Set<IdentitySchemaNodeBuilder> identities = module.getAddedIdentities();
996 for (IdentitySchemaNodeBuilder identity : identities) {
997 final String baseIdentityName = identity.getBaseIdentityName();
998 final int line = identity.getLine();
999 if (baseIdentityName != null) {
1000 IdentitySchemaNodeBuilder baseIdentity = findBaseIdentity(modules, module, baseIdentityName, line);
1001 if (baseIdentity == null) {
1002 IdentitySchemaNode baseId = findBaseIdentityFromContext(modules, module, baseIdentityName, line,
1004 identity.setBaseIdentity(baseId);
1006 identity.setBaseIdentity(baseIdentity);
1013 * Find and add reference of uses target grouping.
1016 * all loaded modules
1018 * SchemaContext containing already resolved modules or null if
1019 * context is not available
1021 private void resolveUsesTargetGrouping(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1022 final SchemaContext context) {
1023 final List<UsesNodeBuilder> allUses = new ArrayList<>();
1024 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1025 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1026 allUses.addAll(inner.getValue().getAllUsesNodes());
1029 for (UsesNodeBuilder usesNode : allUses) {
1030 ModuleBuilder module = ParserUtils.getParentModule(usesNode);
1031 final GroupingBuilder targetGroupingBuilder = GroupingUtils.getTargetGroupingFromModules(usesNode, modules,
1033 if (targetGroupingBuilder == null) {
1034 if (context == null) {
1035 throw new YangParseException(module.getName(), usesNode.getLine(), "Referenced grouping '"
1036 + usesNode.getGroupingPathAsString() + "' not found.");
1038 GroupingDefinition targetGroupingDefinition = GroupingUtils.getTargetGroupingFromContext(usesNode,
1040 usesNode.setGroupingDefinition(targetGroupingDefinition);
1043 usesNode.setGrouping(targetGroupingBuilder);
1049 * Resolve uses statements defined in groupings.
1052 * all loaded modules
1054 * SchemaContext containing already resolved modules
1056 private void resolveUsesForGroupings(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1057 final Set<GroupingBuilder> allGroupings = new HashSet<>();
1058 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1059 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1060 ModuleBuilder module = inner.getValue();
1061 allGroupings.addAll(module.getAllGroupings());
1064 final List<GroupingBuilder> sorted = GroupingSort.sort(allGroupings);
1065 for (GroupingBuilder gb : sorted) {
1066 List<UsesNodeBuilder> usesNodes = new ArrayList<>(GroupingSort.getAllUsesNodes(gb));
1067 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1068 for (UsesNodeBuilder usesNode : usesNodes) {
1069 resolveUses(usesNode, modules, context);
1075 * Resolve uses statements.
1078 * all loaded modules
1080 * SchemaContext containing already resolved modules
1082 private void resolveUsesForNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1083 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1084 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1085 ModuleBuilder module = inner.getValue();
1086 List<UsesNodeBuilder> usesNodes = module.getAllUsesNodes();
1087 Collections.sort(usesNodes, new GroupingUtils.UsesComparator());
1088 for (UsesNodeBuilder usesNode : usesNodes) {
1089 resolveUses(usesNode, modules, context);
1096 * Find target grouping and copy its child nodes to current location with
1100 * uses node to resolve
1102 * all loaded modules
1104 * SchemaContext containing already resolved modules
1106 private void resolveUses(UsesNodeBuilder usesNode,
1107 final Map<String, TreeMap<Date, ModuleBuilder>> modules, final SchemaContext context) {
1108 if (!usesNode.isResolved()) {
1109 DataNodeContainerBuilder parent = usesNode.getParent();
1110 ModuleBuilder module = ParserUtils.getParentModule(parent);
1111 GroupingBuilder target = GroupingUtils.getTargetGroupingFromModules(usesNode, modules, module);
1112 if (target == null) {
1113 resolveUsesWithContext(usesNode);
1114 usesNode.setResolved(true);
1115 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1116 resolveUsesAugment(augment, module, modules, context);
1119 parent.getChildNodeBuilders().addAll(target.instantiateChildNodes(parent));
1120 parent.getTypeDefinitionBuilders().addAll(target.instantiateTypedefs(parent));
1121 parent.getGroupingBuilders().addAll(target.instantiateGroupings(parent));
1122 parent.getUnknownNodes().addAll(target.instantiateUnknownNodes(parent));
1123 usesNode.setResolved(true);
1124 for (AugmentationSchemaBuilder augment : usesNode.getAugmentations()) {
1125 resolveUsesAugment(augment, module, modules, context);
1128 GroupingUtils.performRefine(usesNode);
1133 * Copy target grouping child nodes to current location with
1137 * uses node to resolve
1139 * all loaded modules
1141 * SchemaContext containing already resolved modules
1143 private void resolveUsesWithContext(UsesNodeBuilder usesNode) {
1144 final int line = usesNode.getLine();
1145 DataNodeContainerBuilder parent = usesNode.getParent();
1146 ModuleBuilder module = ParserUtils.getParentModule(parent);
1147 SchemaPath parentPath;
1151 if (parent instanceof AugmentationSchemaBuilder || parent instanceof ModuleBuilder) {
1152 ns = module.getNamespace();
1153 rev = module.getRevision();
1154 pref = module.getPrefix();
1155 if (parent instanceof AugmentationSchemaBuilder) {
1156 parentPath = ((AugmentationSchemaBuilder)parent).getTargetNodeSchemaPath();
1158 parentPath = ((ModuleBuilder)parent).getPath();
1161 ns = ((DataSchemaNodeBuilder) parent).getQName().getNamespace();
1162 rev = ((DataSchemaNodeBuilder) parent).getQName().getRevision();
1163 pref = ((DataSchemaNodeBuilder) parent).getQName().getPrefix();
1164 parentPath = ((DataSchemaNodeBuilder)parent).getPath();
1167 GroupingDefinition gd = usesNode.getGroupingDefinition();
1169 Set<DataSchemaNodeBuilder> childNodes = wrapChildNodes(module.getModuleName(), line,
1170 gd.getChildNodes(), parentPath, ns, rev, pref);
1171 parent.getChildNodeBuilders().addAll(childNodes);
1172 for (DataSchemaNodeBuilder childNode : childNodes) {
1173 setNodeAddedByUses(childNode);
1176 Set<TypeDefinitionBuilder> typedefs = wrapTypedefs(module.getModuleName(), line, gd, parentPath, ns,
1178 parent.getTypeDefinitionBuilders().addAll(typedefs);
1179 for (TypeDefinitionBuilder typedef : typedefs) {
1180 setNodeAddedByUses(typedef);
1183 Set<GroupingBuilder> groupings = wrapGroupings(module.getModuleName(), line, usesNode
1184 .getGroupingDefinition().getGroupings(), parentPath, ns, rev, pref);
1185 parent.getGroupingBuilders().addAll(groupings);
1186 for (GroupingBuilder gb : groupings) {
1187 setNodeAddedByUses(gb);
1190 List<UnknownSchemaNodeBuilder> unknownNodes = wrapUnknownNodes(module.getModuleName(), line,
1191 gd.getUnknownSchemaNodes(), parentPath, ns, rev, pref);
1192 parent.getUnknownNodes().addAll(unknownNodes);
1193 for (UnknownSchemaNodeBuilder un : unknownNodes) {
1194 un.setAddedByUses(true);
1199 * Try to find extension builder describing this unknown node and assign it
1200 * to unknown node builder.
1203 * all loaded modules
1207 private void resolveUnknownNodes(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1208 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1209 QName nodeType = usnb.getNodeType();
1211 ModuleBuilder dependentModule = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1213 for (ExtensionBuilder extension : dependentModule.getAddedExtensions()) {
1214 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1215 usnb.setNodeType(extension.getQName());
1216 usnb.setExtensionBuilder(extension);
1220 } catch (YangParseException e) {
1221 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1222 + ": no such extension definition found.", e);
1228 * Try to find extension builder describing this unknown node and assign it
1229 * to unknown node builder. If extension is not found in loaded modules, try
1230 * to find it in context.
1233 * all loaded modules
1237 * SchemaContext containing already resolved modules
1239 private void resolveUnknownNodesWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1240 final ModuleBuilder module, final SchemaContext context) {
1241 for (UnknownSchemaNodeBuilder usnb : module.getAllUnknownNodes()) {
1242 QName nodeType = usnb.getNodeType();
1244 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, nodeType.getPrefix(),
1247 if (dependentModuleBuilder == null) {
1248 Module dependentModule = findModuleFromContext(context, module, nodeType.getPrefix(),
1250 for (ExtensionDefinition e : dependentModule.getExtensionSchemaNodes()) {
1251 if (e.getQName().getLocalName().equals(nodeType.getLocalName())) {
1252 usnb.setNodeType(new QName(e.getQName().getNamespace(), e.getQName().getRevision(),
1253 nodeType.getPrefix(), e.getQName().getLocalName()));
1254 usnb.setExtensionDefinition(e);
1259 for (ExtensionBuilder extension : dependentModuleBuilder.getAddedExtensions()) {
1260 if (extension.getQName().getLocalName().equals(nodeType.getLocalName())) {
1261 usnb.setExtensionBuilder(extension);
1267 } catch (YangParseException e) {
1268 throw new YangParseException(module.getName(), usnb.getLine(), "Failed to resolve node " + usnb
1269 + ": no such extension definition found.", e);
1276 * Traverse through modules and resolve their deviation statements.
1279 * all loaded modules
1281 private void resolveDeviations(final Map<String, TreeMap<Date, ModuleBuilder>> modules) {
1282 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1283 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1284 ModuleBuilder b = inner.getValue();
1285 resolveDeviation(modules, b);
1291 * Traverse through module and resolve its deviation statements.
1294 * all loaded modules
1296 * module in which resolve deviations
1298 private void resolveDeviation(final Map<String, TreeMap<Date, ModuleBuilder>> modules, final ModuleBuilder module) {
1299 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1300 int line = dev.getLine();
1301 SchemaPath targetPath = dev.getTargetPath();
1302 List<QName> path = targetPath.getPath();
1303 QName q0 = path.get(0);
1304 String prefix = q0.getPrefix();
1305 if (prefix == null) {
1306 prefix = module.getPrefix();
1309 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1310 processDeviation(dev, dependentModuleBuilder, path, module);
1315 * Traverse through modules and resolve their deviation statements with
1319 * all loaded modules
1321 * already resolved context
1323 private void resolveDeviationsWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1324 final SchemaContext context) {
1325 for (Map.Entry<String, TreeMap<Date, ModuleBuilder>> entry : modules.entrySet()) {
1326 for (Map.Entry<Date, ModuleBuilder> inner : entry.getValue().entrySet()) {
1327 ModuleBuilder b = inner.getValue();
1328 resolveDeviationWithContext(modules, b, context);
1334 * Traverse through module and resolve its deviation statements with given
1338 * all loaded modules
1340 * module in which resolve deviations
1342 * already resolved context
1344 private void resolveDeviationWithContext(final Map<String, TreeMap<Date, ModuleBuilder>> modules,
1345 final ModuleBuilder module, final SchemaContext context) {
1346 for (DeviationBuilder dev : module.getDeviationBuilders()) {
1347 int line = dev.getLine();
1348 SchemaPath targetPath = dev.getTargetPath();
1349 List<QName> path = targetPath.getPath();
1350 QName q0 = path.get(0);
1351 String prefix = q0.getPrefix();
1352 if (prefix == null) {
1353 prefix = module.getPrefix();
1356 ModuleBuilder dependentModuleBuilder = findModuleFromBuilders(modules, module, prefix, line);
1357 if (dependentModuleBuilder == null) {
1358 Object currentParent = findModuleFromContext(context, module, prefix, line);
1360 for (QName q : path) {
1361 if (currentParent == null) {
1362 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1364 String name = q.getLocalName();
1365 if (currentParent instanceof DataNodeContainer) {
1366 currentParent = ((DataNodeContainer) currentParent).getDataChildByName(name);
1370 if (currentParent == null) {
1371 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1373 if (currentParent instanceof SchemaNode) {
1374 dev.setTargetPath(((SchemaNode) currentParent).getPath());
1378 processDeviation(dev, dependentModuleBuilder, path, module);
1384 * Correct deviation target path in deviation builder.
1388 * @param dependentModuleBuilder
1389 * module containing deviation target
1391 * current deviation target path
1395 private void processDeviation(final DeviationBuilder dev, final ModuleBuilder dependentModuleBuilder,
1396 final List<QName> path, final ModuleBuilder module) {
1397 final int line = dev.getLine();
1398 Builder currentParent = dependentModuleBuilder;
1400 for (QName q : path) {
1401 if (currentParent == null) {
1402 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1404 String name = q.getLocalName();
1405 if (currentParent instanceof DataNodeContainerBuilder) {
1406 currentParent = ((DataNodeContainerBuilder) currentParent).getDataChildByName(name);
1410 if (!(currentParent instanceof SchemaNodeBuilder)) {
1411 throw new YangParseException(module.getName(), line, FAIL_DEVIATION_TARGET);
1413 dev.setTargetPath(((SchemaNodeBuilder) currentParent).getPath());