2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
3 * Copyright (c) 2014 Brocade Communication Systems, Inc.
5 * This program and the accompanying materials are made available under the
6 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
7 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.sal.restconf.impl;
11 import com.google.common.base.Objects;
12 import com.google.common.base.Optional;
13 import com.google.common.base.Preconditions;
14 import com.google.common.base.Predicates;
15 import com.google.common.base.Splitter;
16 import com.google.common.base.Strings;
17 import com.google.common.base.Throwables;
18 import com.google.common.collect.ImmutableList;
19 import com.google.common.collect.Iterables;
20 import com.google.common.collect.Lists;
21 import java.math.BigInteger;
23 import java.net.URISyntaxException;
24 import java.text.ParseException;
25 import java.text.SimpleDateFormat;
26 import java.util.ArrayList;
27 import java.util.Arrays;
28 import java.util.Collections;
29 import java.util.Date;
30 import java.util.HashMap;
31 import java.util.Iterator;
32 import java.util.List;
35 import javax.ws.rs.core.Response;
36 import javax.ws.rs.core.Response.Status;
37 import javax.ws.rs.core.UriBuilder;
38 import javax.ws.rs.core.UriInfo;
39 import org.apache.commons.lang3.StringUtils;
40 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
41 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
42 import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
43 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
44 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
45 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
46 import org.opendaylight.controller.sal.rest.api.Draft02;
47 import org.opendaylight.controller.sal.rest.api.RestconfService;
48 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
49 import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
50 import org.opendaylight.controller.sal.restconf.rpc.impl.BrokerRpcExecutor;
51 import org.opendaylight.controller.sal.restconf.rpc.impl.MountPointRpcExecutor;
52 import org.opendaylight.controller.sal.restconf.rpc.impl.RpcExecutor;
53 import org.opendaylight.controller.sal.streams.listeners.ListenerAdapter;
54 import org.opendaylight.controller.sal.streams.listeners.Notificator;
55 import org.opendaylight.controller.sal.streams.websockets.WebSocketServer;
56 import org.opendaylight.yangtools.concepts.Codec;
57 import org.opendaylight.yangtools.yang.common.QName;
58 import org.opendaylight.yangtools.yang.common.QNameModule;
59 import org.opendaylight.yangtools.yang.common.RpcResult;
60 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
61 import org.opendaylight.yangtools.yang.data.api.MutableCompositeNode;
62 import org.opendaylight.yangtools.yang.data.api.Node;
63 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
64 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
65 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.InstanceIdentifierBuilder;
66 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
67 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
68 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
69 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
70 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
71 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
72 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
73 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
74 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModifiedNodeDoesNotExistException;
75 import org.opendaylight.yangtools.yang.data.composite.node.schema.cnsn.parser.CnSnToNormalizedNodeParserFactory;
76 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
77 import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
78 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
79 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
80 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
81 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
82 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
83 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
84 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
85 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
86 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
87 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
88 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
89 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
90 import org.opendaylight.yangtools.yang.model.api.Module;
91 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
92 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
93 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
94 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
95 import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
96 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
97 import org.opendaylight.yangtools.yang.model.util.EmptyType;
98 import org.opendaylight.yangtools.yang.model.util.ExtendedType;
99 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
100 import org.opendaylight.yangtools.yang.parser.builder.impl.ContainerSchemaNodeBuilder;
101 import org.opendaylight.yangtools.yang.parser.builder.impl.LeafSchemaNodeBuilder;
102 import org.slf4j.Logger;
103 import org.slf4j.LoggerFactory;
105 public class RestconfImpl implements RestconfService {
107 private enum UriParameters {
108 PRETTY_PRINT("prettyPrint"),
111 private String uriParameterName;
113 UriParameters(final String uriParameterName) {
114 this.uriParameterName = uriParameterName;
118 public String toString() {
119 return uriParameterName;
123 private static class TypeDef {
124 public final TypeDefinition<? extends Object> typedef;
125 public final QName qName;
127 TypeDef(final TypeDefinition<? extends Object> typedef, final QName qName) {
128 this.typedef = typedef;
133 private final static RestconfImpl INSTANCE = new RestconfImpl();
135 private static final int NOTIFICATION_PORT = 8181;
137 private static final int CHAR_NOT_FOUND = -1;
139 private final static String MOUNT_POINT_MODULE_NAME = "ietf-netconf";
141 private final static SimpleDateFormat REVISION_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
143 private final static String SAL_REMOTE_NAMESPACE = "urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote";
145 private final static String SAL_REMOTE_RPC_SUBSRCIBE = "create-data-change-event-subscription";
147 private BrokerFacade broker;
149 private ControllerContext controllerContext;
151 private static final Logger LOG = LoggerFactory.getLogger(RestconfImpl.class);
153 private static final DataChangeScope DEFAULT_SCOPE = DataChangeScope.BASE;
155 private static final LogicalDatastoreType DEFAULT_DATASTORE = LogicalDatastoreType.CONFIGURATION;
157 private static final URI NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT = URI.create("urn:sal:restconf:event:subscription");
159 private static final Date EVENT_SUBSCRIPTION_AUGMENT_REVISION;
161 private static final String DATASTORE_PARAM_NAME = "datastore";
163 private static final String SCOPE_PARAM_NAME = "scope";
165 private static final String NETCONF_BASE = "urn:ietf:params:xml:ns:netconf:base:1.0";
167 private static final String NETCONF_BASE_PAYLOAD_NAME = "data";
169 private static final QName NETCONF_BASE_QNAME;
173 EVENT_SUBSCRIPTION_AUGMENT_REVISION = new SimpleDateFormat("yyyy-MM-dd").parse("2014-07-08");
174 NETCONF_BASE_QNAME = QName.create(QNameModule.create(new URI(NETCONF_BASE), null), NETCONF_BASE_PAYLOAD_NAME );
175 } catch (final ParseException e) {
176 throw new RestconfDocumentedException(
177 "It wasn't possible to convert revision date of sal-remote-augment to date", ErrorType.APPLICATION,
178 ErrorTag.OPERATION_FAILED);
179 } catch (final URISyntaxException e) {
180 throw new RestconfDocumentedException(
181 "It wasn't possible to create instance of URI class with "+NETCONF_BASE+" URI", ErrorType.APPLICATION,
182 ErrorTag.OPERATION_FAILED);
186 public void setBroker(final BrokerFacade broker) {
187 this.broker = broker;
190 public void setControllerContext(final ControllerContext controllerContext) {
191 this.controllerContext = controllerContext;
194 private RestconfImpl() {
197 public static RestconfImpl getInstance() {
202 public NormalizedNodeContext getModules(final UriInfo uriInfo) {
203 final Set<Module> allModules = controllerContext.getAllModules();
204 final MapNode allModuleMap = makeModuleMapNode(allModules);
206 final SchemaContext schemaContext = controllerContext.getGlobalSchema();
208 final Module restconfModule = getRestconfModule();
209 final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
210 restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
211 Preconditions.checkState(modulesSchemaNode instanceof ContainerSchemaNode);
213 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
214 Builders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
215 moduleContainerBuilder.withChild(allModuleMap);
217 return new NormalizedNodeContext(new InstanceIdentifierContext(null, modulesSchemaNode,
218 null, schemaContext), moduleContainerBuilder.build());
222 public StructuredData getAvailableStreams(final UriInfo uriInfo) {
223 final Set<String> availableStreams = Notificator.getStreamNames();
225 final List<Node<?>> streamsAsData = new ArrayList<Node<?>>();
226 final Module restconfModule = getRestconfModule();
227 final DataSchemaNode streamSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
228 Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
229 for (final String streamName : availableStreams) {
230 streamsAsData.add(toStreamCompositeNode(streamName, streamSchemaNode));
233 final DataSchemaNode streamsSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
234 Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
235 final QName qName = streamsSchemaNode.getQName();
236 final CompositeNode streamsNode = NodeFactory.createImmutableCompositeNode(qName, null, streamsAsData);
237 return new StructuredData(streamsNode, streamsSchemaNode, null, parsePrettyPrintParameter(uriInfo));
241 public StructuredData getModules(final String identifier, final UriInfo uriInfo) {
242 Set<Module> modules = null;
243 DOMMountPoint mountPoint = null;
244 if (identifier.contains(ControllerContext.MOUNT)) {
245 final InstanceIdentifierContext mountPointIdentifier = controllerContext.toMountPointIdentifier(identifier);
246 mountPoint = mountPointIdentifier.getMountPoint();
247 modules = controllerContext.getAllModules(mountPoint);
249 throw new RestconfDocumentedException(
250 "URI has bad format. If modules behind mount point should be showed, URI has to end with "
251 + ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
254 final List<Node<?>> modulesAsData = new ArrayList<Node<?>>();
255 final Module restconfModule = getRestconfModule();
256 final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
257 Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
259 for (final Module module : modules) {
260 modulesAsData.add(toModuleCompositeNode(module, moduleSchemaNode));
263 final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
264 Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
265 final QName qName = modulesSchemaNode.getQName();
266 final CompositeNode modulesNode = NodeFactory.createImmutableCompositeNode(qName, null, modulesAsData);
267 return new StructuredData(modulesNode, modulesSchemaNode, mountPoint, parsePrettyPrintParameter(uriInfo));
271 public StructuredData getModule(final String identifier, final UriInfo uriInfo) {
272 final QName moduleNameAndRevision = getModuleNameAndRevision(identifier);
273 Module module = null;
274 DOMMountPoint mountPoint = null;
275 if (identifier.contains(ControllerContext.MOUNT)) {
276 final InstanceIdentifierContext mountPointIdentifier = controllerContext.toMountPointIdentifier(identifier);
277 mountPoint = mountPointIdentifier.getMountPoint();
278 module = controllerContext.findModuleByNameAndRevision(mountPoint, moduleNameAndRevision);
280 module = controllerContext.findModuleByNameAndRevision(moduleNameAndRevision);
283 if (module == null) {
284 throw new RestconfDocumentedException("Module with name '" + moduleNameAndRevision.getLocalName()
285 + "' and revision '" + moduleNameAndRevision.getRevision() + "' was not found.",
286 ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
289 final Module restconfModule = getRestconfModule();
290 final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
291 Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
292 final CompositeNode moduleNode = toModuleCompositeNode(module, moduleSchemaNode);
293 return new StructuredData(moduleNode, moduleSchemaNode, mountPoint, parsePrettyPrintParameter(uriInfo));
297 public StructuredData getOperations(final UriInfo uriInfo) {
298 final Set<Module> allModules = controllerContext.getAllModules();
299 return operationsFromModulesToStructuredData(allModules, null, parsePrettyPrintParameter(uriInfo));
303 public StructuredData getOperations(final String identifier, final UriInfo uriInfo) {
304 Set<Module> modules = null;
305 DOMMountPoint mountPoint = null;
306 if (identifier.contains(ControllerContext.MOUNT)) {
307 final InstanceIdentifierContext mountPointIdentifier = controllerContext.toMountPointIdentifier(identifier);
308 mountPoint = mountPointIdentifier.getMountPoint();
309 modules = controllerContext.getAllModules(mountPoint);
311 throw new RestconfDocumentedException(
312 "URI has bad format. If operations behind mount point should be showed, URI has to end with "
313 + ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
316 return operationsFromModulesToStructuredData(modules, mountPoint, parsePrettyPrintParameter(uriInfo));
319 private StructuredData operationsFromModulesToStructuredData(final Set<Module> modules,
320 final DOMMountPoint mountPoint, final boolean prettyPrint) {
321 final List<Node<?>> operationsAsData = new ArrayList<Node<?>>();
322 final Module restconfModule = getRestconfModule();
323 final DataSchemaNode operationsSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
324 restconfModule, Draft02.RestConfModule.OPERATIONS_CONTAINER_SCHEMA_NODE);
325 final QName qName = operationsSchemaNode.getQName();
326 final SchemaPath path = operationsSchemaNode.getPath();
327 final ContainerSchemaNodeBuilder containerSchemaNodeBuilder = new ContainerSchemaNodeBuilder(
328 Draft02.RestConfModule.NAME, 0, qName, path);
329 final ContainerSchemaNodeBuilder fakeOperationsSchemaNode = containerSchemaNodeBuilder;
330 for (final Module module : modules) {
331 final Set<RpcDefinition> rpcs = module.getRpcs();
332 for (final RpcDefinition rpc : rpcs) {
333 final QName rpcQName = rpc.getQName();
334 final SimpleNode<Object> immutableSimpleNode = NodeFactory.<Object> createImmutableSimpleNode(rpcQName, null,
336 operationsAsData.add(immutableSimpleNode);
338 final String name = module.getName();
339 final LeafSchemaNodeBuilder leafSchemaNodeBuilder = new LeafSchemaNodeBuilder(name, 0, rpcQName,
340 SchemaPath.create(true, QName.create("dummy")));
341 final LeafSchemaNodeBuilder fakeRpcSchemaNode = leafSchemaNodeBuilder;
342 fakeRpcSchemaNode.setAugmenting(true);
344 final EmptyType instance = EmptyType.getInstance();
345 fakeRpcSchemaNode.setType(instance);
346 fakeOperationsSchemaNode.addChildNode(fakeRpcSchemaNode.build());
350 final CompositeNode operationsNode = NodeFactory.createImmutableCompositeNode(qName, null, operationsAsData);
351 final ContainerSchemaNode schemaNode = fakeOperationsSchemaNode.build();
352 return new StructuredData(operationsNode, schemaNode, mountPoint, prettyPrint);
355 private Module getRestconfModule() {
356 final Module restconfModule = controllerContext.getRestconfModule();
357 if (restconfModule == null) {
358 throw new RestconfDocumentedException("ietf-restconf module was not found.", ErrorType.APPLICATION,
359 ErrorTag.OPERATION_NOT_SUPPORTED);
362 return restconfModule;
365 private QName getModuleNameAndRevision(final String identifier) {
366 final int mountIndex = identifier.indexOf(ControllerContext.MOUNT);
367 String moduleNameAndRevision = "";
368 if (mountIndex >= 0) {
369 moduleNameAndRevision = identifier.substring(mountIndex + ControllerContext.MOUNT.length());
371 moduleNameAndRevision = identifier;
374 final Splitter splitter = Splitter.on("/").omitEmptyStrings();
375 final Iterable<String> split = splitter.split(moduleNameAndRevision);
376 final List<String> pathArgs = Lists.<String> newArrayList(split);
377 if (pathArgs.size() < 2) {
378 throw new RestconfDocumentedException(
379 "URI has bad format. End of URI should be in format \'moduleName/yyyy-MM-dd\'", ErrorType.PROTOCOL,
380 ErrorTag.INVALID_VALUE);
384 final String moduleName = pathArgs.get(0);
385 final String revision = pathArgs.get(1);
386 final Date moduleRevision = REVISION_FORMAT.parse(revision);
387 return QName.create(null, moduleRevision, moduleName);
388 } catch (final ParseException e) {
389 throw new RestconfDocumentedException("URI has bad format. It should be \'moduleName/yyyy-MM-dd\'",
390 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
394 private CompositeNode toStreamCompositeNode(final String streamName, final DataSchemaNode streamSchemaNode) {
395 final List<Node<?>> streamNodeValues = new ArrayList<Node<?>>();
396 List<DataSchemaNode> instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
397 ((DataNodeContainer) streamSchemaNode), "name");
398 final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
400 .add(NodeFactory.<String> createImmutableSimpleNode(nameSchemaNode.getQName(), null, streamName));
402 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
403 ((DataNodeContainer) streamSchemaNode), "description");
404 final DataSchemaNode descriptionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
405 streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(descriptionSchemaNode.getQName(), null,
406 "DESCRIPTION_PLACEHOLDER"));
408 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
409 ((DataNodeContainer) streamSchemaNode), "replay-support");
410 final DataSchemaNode replaySupportSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
411 streamNodeValues.add(NodeFactory.<Boolean> createImmutableSimpleNode(replaySupportSchemaNode.getQName(), null,
412 Boolean.valueOf(true)));
414 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
415 ((DataNodeContainer) streamSchemaNode), "replay-log-creation-time");
416 final DataSchemaNode replayLogCreationTimeSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
417 streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(replayLogCreationTimeSchemaNode.getQName(),
420 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
421 ((DataNodeContainer) streamSchemaNode), "events");
422 final DataSchemaNode eventsSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
423 streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(eventsSchemaNode.getQName(), null, ""));
425 return NodeFactory.createImmutableCompositeNode(streamSchemaNode.getQName(), null, streamNodeValues);
428 private CompositeNode toModuleCompositeNode(final Module module, final DataSchemaNode moduleSchemaNode) {
429 final List<Node<?>> moduleNodeValues = new ArrayList<Node<?>>();
430 List<DataSchemaNode> instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
431 ((DataNodeContainer) moduleSchemaNode), "name");
432 final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
433 moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(nameSchemaNode.getQName(), null,
436 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
437 ((DataNodeContainer) moduleSchemaNode), "revision");
438 final DataSchemaNode revisionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
439 final Date _revision = module.getRevision();
440 moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(revisionSchemaNode.getQName(), null,
441 REVISION_FORMAT.format(_revision)));
443 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
444 ((DataNodeContainer) moduleSchemaNode), "namespace");
445 final DataSchemaNode namespaceSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
446 moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(namespaceSchemaNode.getQName(), null,
447 module.getNamespace().toString()));
449 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
450 ((DataNodeContainer) moduleSchemaNode), "feature");
451 final DataSchemaNode featureSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
452 for (final FeatureDefinition feature : module.getFeatures()) {
453 moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(featureSchemaNode.getQName(), null,
454 feature.getQName().getLocalName()));
457 return NodeFactory.createImmutableCompositeNode(moduleSchemaNode.getQName(), null, moduleNodeValues);
461 public Object getRoot() {
466 public StructuredData invokeRpc(final String identifier, final CompositeNode payload, final UriInfo uriInfo) {
467 final RpcExecutor rpc = resolveIdentifierInInvokeRpc(identifier);
468 final QName rpcName = rpc.getRpcDefinition().getQName();
469 final URI rpcNamespace = rpcName.getNamespace();
470 if (Objects.equal(rpcNamespace.toString(), SAL_REMOTE_NAMESPACE)
471 && Objects.equal(rpcName.getLocalName(), SAL_REMOTE_RPC_SUBSRCIBE)) {
472 return invokeSalRemoteRpcSubscribeRPC(payload, rpc.getRpcDefinition(), parsePrettyPrintParameter(uriInfo));
475 validateInput(rpc.getRpcDefinition().getInput(), payload);
477 return callRpc(rpc, payload, parsePrettyPrintParameter(uriInfo));
480 private void validateInput(final DataSchemaNode inputSchema, final Node<?> payload) {
481 if (inputSchema != null && payload == null) {
482 // expected a non null payload
483 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
484 } else if (inputSchema == null && payload != null) {
485 // did not expect any input
486 throw new RestconfDocumentedException("No input expected.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
490 // TODO: Validate "mandatory" and "config" values here??? Or should those be
492 // validate in a more central location inside MD-SAL core.
496 private StructuredData invokeSalRemoteRpcSubscribeRPC(final CompositeNode payload, final RpcDefinition rpc,
497 final boolean prettyPrint) {
498 final CompositeNode value = this.normalizeNode(payload, rpc.getInput(), null);
499 final SimpleNode<? extends Object> pathNode = value == null ? null : value.getFirstSimpleByName(QName.create(
500 rpc.getQName(), "path"));
501 final Object pathValue = pathNode == null ? null : pathNode.getValue();
503 if (!(pathValue instanceof YangInstanceIdentifier)) {
504 throw new RestconfDocumentedException("Instance identifier was not normalized correctly.",
505 ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
508 final YangInstanceIdentifier pathIdentifier = ((YangInstanceIdentifier) pathValue);
509 String streamName = null;
510 if (!Iterables.isEmpty(pathIdentifier.getPathArguments())) {
511 final String fullRestconfIdentifier = controllerContext.toFullRestconfIdentifier(pathIdentifier);
513 LogicalDatastoreType datastore = parseEnumTypeParameter(value, LogicalDatastoreType.class,
514 DATASTORE_PARAM_NAME);
515 datastore = datastore == null ? DEFAULT_DATASTORE : datastore;
517 DataChangeScope scope = parseEnumTypeParameter(value, DataChangeScope.class, SCOPE_PARAM_NAME);
518 scope = scope == null ? DEFAULT_SCOPE : scope;
520 streamName = Notificator.createStreamNameFromUri(fullRestconfIdentifier + "/datastore=" + datastore
521 + "/scope=" + scope);
524 if (Strings.isNullOrEmpty(streamName)) {
525 throw new RestconfDocumentedException(
526 "Path is empty or contains data node which is not Container or List build-in type.",
527 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
530 final SimpleNode<String> streamNameNode = NodeFactory.<String> createImmutableSimpleNode(
531 QName.create(rpc.getOutput().getQName(), "stream-name"), null, streamName);
532 final List<Node<?>> output = new ArrayList<Node<?>>();
533 output.add(streamNameNode);
535 final MutableCompositeNode responseData = NodeFactory.createMutableCompositeNode(rpc.getOutput().getQName(),
536 null, output, null, null);
538 if (!Notificator.existListenerFor(streamName)) {
539 Notificator.createListener(pathIdentifier, streamName);
542 return new StructuredData(responseData, rpc.getOutput(), null, prettyPrint);
546 public StructuredData invokeRpc(final String identifier, final String noPayload, final UriInfo uriInfo) {
547 if (StringUtils.isNotBlank(noPayload)) {
548 throw new RestconfDocumentedException("Content must be empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
550 return invokeRpc(identifier, (CompositeNode) null, uriInfo);
553 private RpcExecutor resolveIdentifierInInvokeRpc(final String identifier) {
554 String identifierEncoded = null;
555 DOMMountPoint mountPoint = null;
556 if (identifier.contains(ControllerContext.MOUNT)) {
557 // mounted RPC call - look up mount instance.
558 final InstanceIdentifierContext mountPointId = controllerContext.toMountPointIdentifier(identifier);
559 mountPoint = mountPointId.getMountPoint();
561 final int startOfRemoteRpcName = identifier.lastIndexOf(ControllerContext.MOUNT)
562 + ControllerContext.MOUNT.length() + 1;
563 final String remoteRpcName = identifier.substring(startOfRemoteRpcName);
564 identifierEncoded = remoteRpcName;
566 } else if (identifier.indexOf("/") != CHAR_NOT_FOUND) {
567 final String slashErrorMsg = String.format("Identifier %n%s%ncan\'t contain slash "
568 + "character (/).%nIf slash is part of identifier name then use %%2F placeholder.", identifier);
569 throw new RestconfDocumentedException(slashErrorMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
571 identifierEncoded = identifier;
574 final String identifierDecoded = controllerContext.urlPathArgDecode(identifierEncoded);
576 RpcDefinition rpc = null;
577 if (mountPoint == null) {
578 rpc = controllerContext.getRpcDefinition(identifierDecoded);
580 rpc = findRpc(mountPoint.getSchemaContext(), identifierDecoded);
584 throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
587 if (mountPoint == null) {
588 return new BrokerRpcExecutor(rpc, broker);
590 return new MountPointRpcExecutor(rpc, mountPoint);
595 private RpcDefinition findRpc(final SchemaContext schemaContext, final String identifierDecoded) {
596 final String[] splittedIdentifier = identifierDecoded.split(":");
597 if (splittedIdentifier.length != 2) {
598 throw new RestconfDocumentedException(identifierDecoded
599 + " couldn't be splitted to 2 parts (module:rpc name)", ErrorType.APPLICATION,
600 ErrorTag.INVALID_VALUE);
602 for (final Module module : schemaContext.getModules()) {
603 if (module.getName().equals(splittedIdentifier[0])) {
604 for (final RpcDefinition rpcDefinition : module.getRpcs()) {
605 if (rpcDefinition.getQName().getLocalName().equals(splittedIdentifier[1])) {
606 return rpcDefinition;
614 private StructuredData callRpc(final RpcExecutor rpcExecutor, final CompositeNode payload, final boolean prettyPrint) {
615 if (rpcExecutor == null) {
616 throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
619 CompositeNode rpcRequest = null;
620 final RpcDefinition rpc = rpcExecutor.getRpcDefinition();
621 final QName rpcName = rpc.getQName();
623 if (payload == null) {
624 rpcRequest = NodeFactory.createMutableCompositeNode(rpcName, null, null, null, null);
626 final CompositeNode value = this.normalizeNode(payload, rpc.getInput(), null);
627 final List<Node<?>> input = Collections.<Node<?>> singletonList(value);
628 rpcRequest = NodeFactory.createMutableCompositeNode(rpcName, null, input, null, null);
631 final RpcResult<CompositeNode> rpcResult = rpcExecutor.invokeRpc(rpcRequest);
633 checkRpcSuccessAndThrowException(rpcResult);
635 if (rpcResult.getResult() == null) {
639 if (rpc.getOutput() == null) {
640 return null; // no output, nothing to send back.
643 return new StructuredData(rpcResult.getResult(), rpc.getOutput(), null, prettyPrint);
646 private void checkRpcSuccessAndThrowException(final RpcResult<CompositeNode> rpcResult) {
647 if (rpcResult.isSuccessful() == false) {
649 throw new RestconfDocumentedException("The operation was not successful", null,
650 rpcResult.getErrors());
655 public NormalizedNodeContext readConfigurationData(final String identifier, final UriInfo uriInfo) {
656 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
657 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
658 NormalizedNode<?, ?> data = null;
659 YangInstanceIdentifier normalizedII;
660 if (mountPoint != null) {
661 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(iiWithData
662 .getInstanceIdentifier());
663 data = broker.readConfigurationData(mountPoint, normalizedII);
665 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
666 data = broker.readConfigurationData(normalizedII);
668 return new NormalizedNodeContext(iiWithData, data);
671 @SuppressWarnings("unchecked")
672 private <T extends Node<?>> T pruneDataAtDepth(final T node, final Integer depth) {
677 if (node instanceof CompositeNode) {
678 final ImmutableList.Builder<Node<?>> newChildNodes = ImmutableList.<Node<?>> builder();
680 for (final Node<?> childNode : ((CompositeNode) node).getValue()) {
681 newChildNodes.add(pruneDataAtDepth(childNode, depth - 1));
685 return (T) ImmutableCompositeNode.create(node.getNodeType(), newChildNodes.build());
686 } else { // SimpleNode
691 private Integer parseDepthParameter(final UriInfo info) {
692 final String param = info.getQueryParameters(false).getFirst(UriParameters.DEPTH.toString());
693 if (Strings.isNullOrEmpty(param) || "unbounded".equals(param)) {
698 final Integer depth = Integer.valueOf(param);
700 throw new RestconfDocumentedException(new RestconfError(ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
701 "Invalid depth parameter: " + depth, null,
702 "The depth parameter must be an integer > 1 or \"unbounded\""));
706 } catch (final NumberFormatException e) {
707 throw new RestconfDocumentedException(new RestconfError(ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
708 "Invalid depth parameter: " + e.getMessage(), null,
709 "The depth parameter must be an integer > 1 or \"unbounded\""));
714 public NormalizedNodeContext readOperationalData(final String identifier, final UriInfo info) {
715 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
716 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
717 NormalizedNode<?, ?> data = null;
718 YangInstanceIdentifier normalizedII;
719 if (mountPoint != null) {
720 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(iiWithData
721 .getInstanceIdentifier());
722 data = broker.readOperationalData(mountPoint, normalizedII);
724 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
725 data = broker.readOperationalData(normalizedII);
728 return new NormalizedNodeContext(iiWithData, data);
731 private boolean parsePrettyPrintParameter(final UriInfo info) {
732 final String param = info.getQueryParameters(false).getFirst(UriParameters.PRETTY_PRINT.toString());
733 return Boolean.parseBoolean(param);
737 public Response updateConfigurationData(final String identifier, final Node<?> payload) {
738 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
740 validateInput(iiWithData.getSchemaNode(), payload);
742 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
743 validateTopLevelNodeName(payload, iiWithData.getInstanceIdentifier());
744 final CompositeNode value = this.normalizeNode(payload, iiWithData.getSchemaNode(), mountPoint);
745 validateListKeysEqualityInPayloadAndUri(iiWithData, value);
746 final NormalizedNode<?, ?> datastoreNormalizedNode = compositeNodeToDatastoreNormalizedNode(value,
747 iiWithData.getSchemaNode());
750 YangInstanceIdentifier normalizedII;
751 if (mountPoint != null) {
752 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(
753 iiWithData.getInstanceIdentifier());
755 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
759 * There is a small window where another write transaction could be updating the same data
760 * simultaneously and we get an OptimisticLockFailedException. This error is likely
761 * transient and The WriteTransaction#submit API docs state that a retry will likely
762 * succeed. So we'll try again if that scenario occurs. If it fails a third time then it
763 * probably will never succeed so we'll fail in that case.
765 * By retrying we're attempting to hide the internal implementation of the data store and
766 * how it handles concurrent updates from the restconf client. The client has instructed us
767 * to put the data and we should make every effort to do so without pushing optimistic lock
768 * failures back to the client and forcing them to handle it via retry (and having to
769 * document the behavior).
774 if (mountPoint != null) {
775 broker.commitConfigurationDataPut(mountPoint, normalizedII,
776 datastoreNormalizedNode).checkedGet();
778 broker.commitConfigurationDataPut(normalizedII,
779 datastoreNormalizedNode).checkedGet();
783 } catch (final TransactionCommitFailedException e) {
784 if(e instanceof OptimisticLockFailedException) {
786 LOG.debug("Got OptimisticLockFailedException on last try - failing");
787 throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
790 LOG.debug("Got OptimisticLockFailedException - trying again");
792 throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
797 return Response.status(Status.OK).build();
800 private void validateTopLevelNodeName(final Node<?> node,
801 final YangInstanceIdentifier identifier) {
802 final String payloadName = getName(node);
803 final Iterator<PathArgument> pathArguments = identifier.getReversePathArguments().iterator();
806 if (!pathArguments.hasNext()) {
808 if (!node.getNodeType().equals(NETCONF_BASE_QNAME)) {
809 throw new RestconfDocumentedException("Instance identifier has to contain at least one path argument",
810 ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
814 final String identifierName = pathArguments.next().getNodeType().getLocalName();
815 if (!payloadName.equals(identifierName)) {
816 throw new RestconfDocumentedException("Payload name (" + payloadName
817 + ") is different from identifier name (" + identifierName + ")", ErrorType.PROTOCOL,
818 ErrorTag.MALFORMED_MESSAGE);
824 * Validates whether keys in {@code payload} are equal to values of keys in {@code iiWithData} for list schema node
826 * @throws RestconfDocumentedException
827 * if key values or key count in payload and URI isn't equal
830 private void validateListKeysEqualityInPayloadAndUri(final InstanceIdentifierContext iiWithData,
831 final CompositeNode payload) {
832 if (iiWithData.getSchemaNode() instanceof ListSchemaNode) {
833 final List<QName> keyDefinitions = ((ListSchemaNode) iiWithData.getSchemaNode()).getKeyDefinition();
834 final PathArgument lastPathArgument = iiWithData.getInstanceIdentifier().getLastPathArgument();
835 if (lastPathArgument instanceof NodeIdentifierWithPredicates) {
836 final Map<QName, Object> uriKeyValues = ((NodeIdentifierWithPredicates) lastPathArgument)
838 isEqualUriAndPayloadKeyValues(uriKeyValues, payload, keyDefinitions);
843 private void isEqualUriAndPayloadKeyValues(final Map<QName, Object> uriKeyValues, final CompositeNode payload,
844 final List<QName> keyDefinitions) {
845 for (final QName keyDefinition : keyDefinitions) {
846 final Object uriKeyValue = uriKeyValues.get(keyDefinition);
847 // should be caught during parsing URI to InstanceIdentifier
848 if (uriKeyValue == null) {
849 throw new RestconfDocumentedException("Missing key " + keyDefinition + " in URI.", ErrorType.PROTOCOL,
850 ErrorTag.DATA_MISSING);
852 final List<SimpleNode<?>> payloadKeyValues = payload.getSimpleNodesByName(keyDefinition.getLocalName());
853 if (payloadKeyValues.isEmpty()) {
854 throw new RestconfDocumentedException("Missing key " + keyDefinition.getLocalName()
855 + " in the message body.", ErrorType.PROTOCOL, ErrorTag.DATA_MISSING);
858 final Object payloadKeyValue = payloadKeyValues.iterator().next().getValue();
859 if (!uriKeyValue.equals(payloadKeyValue)) {
860 throw new RestconfDocumentedException("The value '" + uriKeyValue + "' for key '"
861 + keyDefinition.getLocalName() + "' specified in the URI doesn't match the value '"
862 + payloadKeyValue + "' specified in the message body. ", ErrorType.PROTOCOL,
863 ErrorTag.INVALID_VALUE);
869 public Response createConfigurationData(final String identifier, final Node<?> payload) {
870 if (payload == null) {
871 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
874 final URI payloadNS = namespace(payload);
875 if (payloadNS == null) {
876 throw new RestconfDocumentedException(
877 "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
878 ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
881 InstanceIdentifierContext iiWithData = null;
882 CompositeNode value = null;
883 if (representsMountPointRootData(payload)) {
884 // payload represents mount point data and URI represents path to the mount point
886 if (endsWithMountPoint(identifier)) {
887 throw new RestconfDocumentedException("URI has bad format. URI should be without \""
888 + ControllerContext.MOUNT + "\" for POST operation.", ErrorType.PROTOCOL,
889 ErrorTag.INVALID_VALUE);
892 final String completeIdentifier = addMountPointIdentifier(identifier);
893 iiWithData = controllerContext.toInstanceIdentifier(completeIdentifier);
895 value = this.normalizeNode(payload, iiWithData.getSchemaNode(), iiWithData.getMountPoint());
897 final InstanceIdentifierContext incompleteInstIdWithData = controllerContext
898 .toInstanceIdentifier(identifier);
899 final DataNodeContainer parentSchema = (DataNodeContainer) incompleteInstIdWithData.getSchemaNode();
900 final DOMMountPoint mountPoint = incompleteInstIdWithData.getMountPoint();
901 final Module module = findModule(mountPoint, payload);
903 final String payloadName = getName(payload);
904 final DataSchemaNode schemaNode = ControllerContext.findInstanceDataChildByNameAndNamespace(
905 parentSchema, payloadName, module.getNamespace());
906 value = this.normalizeNode(payload, schemaNode, mountPoint);
908 iiWithData = addLastIdentifierFromData(incompleteInstIdWithData, value, schemaNode,incompleteInstIdWithData.getSchemaContext());
911 final NormalizedNode<?, ?> datastoreNormalizedData = compositeNodeToDatastoreNormalizedNode(value,
912 iiWithData.getSchemaNode());
913 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
914 YangInstanceIdentifier normalizedII;
917 if (mountPoint != null) {
918 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(iiWithData
919 .getInstanceIdentifier());
920 broker.commitConfigurationDataPost(mountPoint, normalizedII, datastoreNormalizedData);
922 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
923 broker.commitConfigurationDataPost(normalizedII, datastoreNormalizedData);
925 } catch(final RestconfDocumentedException e) {
927 } catch (final Exception e) {
928 throw new RestconfDocumentedException("Error creating data", e);
931 return Response.status(Status.NO_CONTENT).build();
935 public Response createConfigurationData(final Node<?> payload) {
936 if (payload == null) {
937 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
940 final URI payloadNS = namespace(payload);
941 if (payloadNS == null) {
942 throw new RestconfDocumentedException(
943 "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
944 ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
947 final Module module = this.findModule(null, payload);
949 final String payloadName = getName(payload);
950 final DataSchemaNode schemaNode = ControllerContext.findInstanceDataChildByNameAndNamespace(module,
951 payloadName, module.getNamespace());
952 final CompositeNode value = this.normalizeNode(payload, schemaNode, null);
953 final InstanceIdentifierContext iiWithData = addLastIdentifierFromData(null, value, schemaNode,ControllerContext.getInstance().getGlobalSchema());
954 final NormalizedNode<?, ?> datastoreNormalizedData = compositeNodeToDatastoreNormalizedNode(value, schemaNode);
955 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
956 YangInstanceIdentifier normalizedII;
959 if (mountPoint != null) {
960 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(iiWithData
961 .getInstanceIdentifier());
962 broker.commitConfigurationDataPost(mountPoint, normalizedII, datastoreNormalizedData);
965 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
966 broker.commitConfigurationDataPost(normalizedII, datastoreNormalizedData);
968 } catch(final RestconfDocumentedException e) {
970 } catch (final Exception e) {
971 throw new RestconfDocumentedException("Error creating data", e);
974 return Response.status(Status.NO_CONTENT).build();
978 public Response deleteConfigurationData(final String identifier) {
979 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
980 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
981 YangInstanceIdentifier normalizedII;
984 if (mountPoint != null) {
985 normalizedII = new DataNormalizer(mountPoint.getSchemaContext()).toNormalized(iiWithData
986 .getInstanceIdentifier());
987 broker.commitConfigurationDataDelete(mountPoint, normalizedII);
989 normalizedII = controllerContext.toNormalized(iiWithData.getInstanceIdentifier());
990 broker.commitConfigurationDataDelete(normalizedII).get();
992 } catch (final Exception e) {
993 final Optional<Throwable> searchedException = Iterables.tryFind(Throwables.getCausalChain(e),
994 Predicates.instanceOf(ModifiedNodeDoesNotExistException.class));
995 if (searchedException.isPresent()) {
996 throw new RestconfDocumentedException("Data specified for deleting doesn't exist.", ErrorType.APPLICATION, ErrorTag.DATA_MISSING);
998 throw new RestconfDocumentedException("Error while deleting data", e);
1000 return Response.status(Status.OK).build();
1004 * Subscribes to some path in schema context (stream) to listen on changes on this stream.
1006 * Additional parameters for subscribing to stream are loaded via rpc input parameters:
1008 * <li>datastore</li> - default CONFIGURATION (other values of {@link LogicalDatastoreType} enum type)
1009 * <li>scope</li> - default BASE (other values of {@link DataChangeScope})
1013 public Response subscribeToStream(final String identifier, final UriInfo uriInfo) {
1014 final String streamName = Notificator.createStreamNameFromUri(identifier);
1015 if (Strings.isNullOrEmpty(streamName)) {
1016 throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1019 final ListenerAdapter listener = Notificator.getListenerFor(streamName);
1020 if (listener == null) {
1021 throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
1024 final Map<String, String> paramToValues = resolveValuesFromUri(identifier);
1025 final LogicalDatastoreType datastore = parserURIEnumParameter(LogicalDatastoreType.class,
1026 paramToValues.get(DATASTORE_PARAM_NAME));
1027 if (datastore == null) {
1028 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /datastore=)",
1029 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1031 final DataChangeScope scope = parserURIEnumParameter(DataChangeScope.class, paramToValues.get(SCOPE_PARAM_NAME));
1032 if (scope == null) {
1033 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /scope=)",
1034 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1037 broker.registerToListenDataChanges(datastore, scope, listener);
1039 final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
1040 int notificationPort = NOTIFICATION_PORT;
1042 final WebSocketServer webSocketServerInstance = WebSocketServer.getInstance();
1043 notificationPort = webSocketServerInstance.getPort();
1044 } catch (final NullPointerException e) {
1045 WebSocketServer.createInstance(NOTIFICATION_PORT);
1047 final UriBuilder port = uriBuilder.port(notificationPort);
1048 final URI uriToWebsocketServer = port.replacePath(streamName).build();
1050 return Response.status(Status.OK).location(uriToWebsocketServer).build();
1054 * Load parameter for subscribing to stream from input composite node
1058 * @return enum object if its string value is equal to {@code paramName}. In other cases null.
1060 private <T> T parseEnumTypeParameter(final CompositeNode compNode, final Class<T> classDescriptor,
1061 final String paramName) {
1062 final QNameModule salRemoteAugment = QNameModule.create(NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT,
1063 EVENT_SUBSCRIPTION_AUGMENT_REVISION);
1064 final SimpleNode<?> simpleNode = compNode.getFirstSimpleByName(QName.create(salRemoteAugment, paramName));
1065 if (simpleNode == null) {
1068 final Object rawValue = simpleNode.getValue();
1069 if (!(rawValue instanceof String)) {
1073 return resolveAsEnum(classDescriptor, (String) rawValue);
1077 * Checks whether {@code value} is one of the string representation of enumeration {@code classDescriptor}
1079 * @return enum object if string value of {@code classDescriptor} enumeration is equal to {@code value}. Other cases
1082 private <T> T parserURIEnumParameter(final Class<T> classDescriptor, final String value) {
1083 if (Strings.isNullOrEmpty(value)) {
1086 return resolveAsEnum(classDescriptor, value);
1089 private <T> T resolveAsEnum(final Class<T> classDescriptor, final String value) {
1090 final T[] enumConstants = classDescriptor.getEnumConstants();
1091 if (enumConstants != null) {
1092 for (final T enm : classDescriptor.getEnumConstants()) {
1093 if (((Enum<?>) enm).name().equals(value)) {
1101 private Map<String, String> resolveValuesFromUri(final String uri) {
1102 final Map<String, String> result = new HashMap<>();
1103 final String[] tokens = uri.split("/");
1104 for (int i = 1; i < tokens.length; i++) {
1105 final String[] parameterTokens = tokens[i].split("=");
1106 if (parameterTokens.length == 2) {
1107 result.put(parameterTokens[0], parameterTokens[1]);
1113 private Module findModule(final DOMMountPoint mountPoint, final Node<?> data) {
1114 Module module = null;
1115 if (data instanceof NodeWrapper) {
1116 module = findModule(mountPoint, (NodeWrapper<?>) data);
1117 } else if (data != null) {
1118 final URI namespace = data.getNodeType().getNamespace();
1119 if (mountPoint != null) {
1120 module = controllerContext.findModuleByNamespace(mountPoint, namespace);
1122 module = controllerContext.findModuleByNamespace(namespace);
1125 if (module != null) {
1128 throw new RestconfDocumentedException(
1129 "Data has bad format. Root element node has incorrect namespace (XML format) or module name(JSON format)",
1130 ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
1133 private Module findModule(final DOMMountPoint mountPoint, final NodeWrapper<?> data) {
1134 final URI namespace = data.getNamespace();
1135 Preconditions.<URI> checkNotNull(namespace);
1137 Module module = null;
1138 if (mountPoint != null) {
1139 module = controllerContext.findModuleByNamespace(mountPoint, namespace);
1140 if (module == null) {
1141 module = controllerContext.findModuleByName(mountPoint, namespace.toString());
1144 module = controllerContext.findModuleByNamespace(namespace);
1145 if (module == null) {
1146 module = controllerContext.findModuleByName(namespace.toString());
1153 private InstanceIdentifierContext addLastIdentifierFromData(final InstanceIdentifierContext identifierWithSchemaNode,
1154 final CompositeNode data, final DataSchemaNode schemaOfData, final SchemaContext schemaContext) {
1155 YangInstanceIdentifier instanceIdentifier = null;
1156 if (identifierWithSchemaNode != null) {
1157 instanceIdentifier = identifierWithSchemaNode.getInstanceIdentifier();
1160 final YangInstanceIdentifier iiOriginal = instanceIdentifier;
1161 InstanceIdentifierBuilder iiBuilder = null;
1162 if (iiOriginal == null) {
1163 iiBuilder = YangInstanceIdentifier.builder();
1165 iiBuilder = YangInstanceIdentifier.builder(iiOriginal);
1168 if ((schemaOfData instanceof ListSchemaNode)) {
1169 final HashMap<QName, Object> keys = resolveKeysFromData(((ListSchemaNode) schemaOfData), data);
1170 iiBuilder.nodeWithKey(schemaOfData.getQName(), keys);
1172 iiBuilder.node(schemaOfData.getQName());
1175 final YangInstanceIdentifier instance = iiBuilder.toInstance();
1176 DOMMountPoint mountPoint = null;
1177 final SchemaContext schemaCtx = null;
1178 if (identifierWithSchemaNode != null) {
1179 mountPoint = identifierWithSchemaNode.getMountPoint();
1182 return new InstanceIdentifierContext(instance, schemaOfData, mountPoint,schemaContext);
1185 private HashMap<QName, Object> resolveKeysFromData(final ListSchemaNode listNode, final CompositeNode dataNode) {
1186 final HashMap<QName, Object> keyValues = new HashMap<QName, Object>();
1187 final List<QName> _keyDefinition = listNode.getKeyDefinition();
1188 for (final QName key : _keyDefinition) {
1189 SimpleNode<? extends Object> head = null;
1190 final String localName = key.getLocalName();
1191 final List<SimpleNode<? extends Object>> simpleNodesByName = dataNode.getSimpleNodesByName(localName);
1192 if (simpleNodesByName != null) {
1193 head = Iterables.getFirst(simpleNodesByName, null);
1196 Object dataNodeKeyValueObject = null;
1198 dataNodeKeyValueObject = head.getValue();
1201 if (dataNodeKeyValueObject == null) {
1202 throw new RestconfDocumentedException("Data contains list \"" + dataNode.getNodeType().getLocalName()
1203 + "\" which does not contain key: \"" + key.getLocalName() + "\"", ErrorType.PROTOCOL,
1204 ErrorTag.INVALID_VALUE);
1207 keyValues.put(key, dataNodeKeyValueObject);
1213 private boolean endsWithMountPoint(final String identifier) {
1214 return identifier.endsWith(ControllerContext.MOUNT) || identifier.endsWith(ControllerContext.MOUNT + "/");
1217 private boolean representsMountPointRootData(final Node<?> data) {
1218 final URI namespace = namespace(data);
1219 return (SchemaContext.NAME.getNamespace().equals(namespace) /*
1220 * || MOUNT_POINT_MODULE_NAME .equals( namespace .
1223 && SchemaContext.NAME.getLocalName().equals(localName(data));
1226 private String addMountPointIdentifier(final String identifier) {
1227 final boolean endsWith = identifier.endsWith("/");
1229 return (identifier + ControllerContext.MOUNT);
1232 return identifier + "/" + ControllerContext.MOUNT;
1235 private CompositeNode normalizeNode(final Node<?> node, final DataSchemaNode schema, final DOMMountPoint mountPoint) {
1236 if (schema == null) {
1237 final String localName = node == null ? null :
1238 node instanceof NodeWrapper ? ((NodeWrapper<?>)node).getLocalName() :
1239 node.getNodeType().getLocalName();
1241 throw new RestconfDocumentedException("Data schema node was not found for " + localName,
1242 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1245 if (!(schema instanceof DataNodeContainer)) {
1246 throw new RestconfDocumentedException("Root element has to be container or list yang datatype.",
1247 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1250 if ((node instanceof NodeWrapper<?>)) {
1251 NodeWrapper<?> nodeWrap = (NodeWrapper<?>) node;
1252 final boolean isChangeAllowed = ((NodeWrapper<?>) node).isChangeAllowed();
1253 if (isChangeAllowed) {
1254 nodeWrap = topLevelElementAsCompositeNodeWrapper((NodeWrapper<?>) node, schema);
1256 this.normalizeNode(nodeWrap, schema, null, mountPoint);
1257 } catch (final IllegalArgumentException e) {
1258 final RestconfDocumentedException restconfDocumentedException = new RestconfDocumentedException(e.getMessage(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1259 restconfDocumentedException.addSuppressed(e);
1260 throw restconfDocumentedException;
1262 if (nodeWrap instanceof CompositeNodeWrapper) {
1263 return ((CompositeNodeWrapper) nodeWrap).unwrap();
1268 if (node instanceof CompositeNode) {
1269 return (CompositeNode) node;
1272 throw new RestconfDocumentedException("Top level element is not interpreted as composite node.",
1273 ErrorType.APPLICATION, ErrorTag.INVALID_VALUE);
1276 private void normalizeNode(final NodeWrapper<? extends Object> nodeBuilder, final DataSchemaNode schema,
1277 final QName previousAugment, final DOMMountPoint mountPoint) {
1278 if (schema == null) {
1279 throw new RestconfDocumentedException("Data has bad format.\n\"" + nodeBuilder.getLocalName()
1280 + "\" does not exist in yang schema.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1283 QName currentAugment = null;
1284 if (nodeBuilder.getQname() != null) {
1285 currentAugment = previousAugment;
1287 currentAugment = normalizeNodeName(nodeBuilder, schema, previousAugment, mountPoint);
1288 if (nodeBuilder.getQname() == null) {
1289 throw new RestconfDocumentedException(
1290 "Data has bad format.\nIf data is in XML format then namespace for \""
1291 + nodeBuilder.getLocalName() + "\" should be \"" + schema.getQName().getNamespace()
1292 + "\".\n" + "If data is in JSON format then module name for \""
1293 + nodeBuilder.getLocalName() + "\" should be corresponding to namespace \""
1294 + schema.getQName().getNamespace() + "\".", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1298 if (nodeBuilder instanceof CompositeNodeWrapper) {
1299 if (schema instanceof DataNodeContainer) {
1300 normalizeCompositeNode((CompositeNodeWrapper) nodeBuilder, (DataNodeContainer) schema, mountPoint,
1302 } else if (schema instanceof AnyXmlSchemaNode) {
1303 normalizeAnyXmlNode((CompositeNodeWrapper) nodeBuilder, (AnyXmlSchemaNode) schema);
1305 } else if (nodeBuilder instanceof SimpleNodeWrapper) {
1306 normalizeSimpleNode((SimpleNodeWrapper) nodeBuilder, schema, mountPoint);
1307 } else if ((nodeBuilder instanceof EmptyNodeWrapper)) {
1308 normalizeEmptyNode((EmptyNodeWrapper) nodeBuilder, schema);
1312 private void normalizeAnyXmlNode(final CompositeNodeWrapper compositeNode, final AnyXmlSchemaNode schema) {
1313 final List<NodeWrapper<?>> children = compositeNode.getValues();
1314 for (final NodeWrapper<? extends Object> child : children) {
1315 child.setNamespace(schema.getQName().getNamespace());
1316 if (child instanceof CompositeNodeWrapper) {
1317 normalizeAnyXmlNode((CompositeNodeWrapper) child, schema);
1322 private void normalizeEmptyNode(final EmptyNodeWrapper emptyNodeBuilder, final DataSchemaNode schema) {
1323 if ((schema instanceof LeafSchemaNode)) {
1324 emptyNodeBuilder.setComposite(false);
1326 if ((schema instanceof ContainerSchemaNode)) {
1327 // FIXME: Add presence check
1328 emptyNodeBuilder.setComposite(true);
1333 private void normalizeSimpleNode(final SimpleNodeWrapper simpleNode, final DataSchemaNode schema,
1334 final DOMMountPoint mountPoint) {
1335 final Object value = simpleNode.getValue();
1336 Object inputValue = value;
1337 final TypeDef typeDef = this.typeDefinition(schema);
1338 TypeDefinition<? extends Object> typeDefinition = typeDef != null ? typeDef.typedef : null;
1340 // For leafrefs, extract the type it is pointing to
1341 if(typeDefinition instanceof LeafrefTypeDefinition) {
1342 if (schema.getQName().equals(typeDef.qName)) {
1343 typeDefinition = SchemaContextUtil.getBaseTypeForLeafRef(((LeafrefTypeDefinition) typeDefinition), mountPoint == null ? controllerContext.getGlobalSchema() : mountPoint.getSchemaContext(), schema);
1345 typeDefinition = SchemaContextUtil.getBaseTypeForLeafRef(((LeafrefTypeDefinition) typeDefinition), mountPoint == null ? controllerContext.getGlobalSchema() : mountPoint.getSchemaContext(), typeDef.qName);
1349 if (typeDefinition instanceof IdentityrefTypeDefinition) {
1350 inputValue = parseToIdentityValuesDTO(simpleNode, value, inputValue);
1353 Object outputValue = inputValue;
1355 if (typeDefinition != null) {
1356 final Codec<Object, Object> codec = RestCodec.from(typeDefinition, mountPoint);
1357 outputValue = codec == null ? null : codec.deserialize(inputValue);
1360 simpleNode.setValue(outputValue);
1363 private Object parseToIdentityValuesDTO(final SimpleNodeWrapper simpleNode, final Object value, Object inputValue) {
1364 if ((value instanceof String)) {
1365 inputValue = new IdentityValuesDTO(simpleNode.getNamespace().toString(), (String) value, null,
1367 } // else value is already instance of IdentityValuesDTO
1371 private void normalizeCompositeNode(final CompositeNodeWrapper compositeNodeBuilder,
1372 final DataNodeContainer schema, final DOMMountPoint mountPoint, final QName currentAugment) {
1373 final List<NodeWrapper<?>> children = compositeNodeBuilder.getValues();
1374 checkNodeMultiplicityAccordingToSchema(schema, children);
1375 for (final NodeWrapper<? extends Object> child : children) {
1376 final List<DataSchemaNode> potentialSchemaNodes = ControllerContext.findInstanceDataChildrenByName(
1377 schema, child.getLocalName());
1379 if (potentialSchemaNodes.size() > 1 && child.getNamespace() == null) {
1380 final StringBuilder builder = new StringBuilder();
1381 for (final DataSchemaNode potentialSchemaNode : potentialSchemaNodes) {
1382 builder.append(" ").append(potentialSchemaNode.getQName().getNamespace().toString()).append("\n");
1385 throw new RestconfDocumentedException("Node \"" + child.getLocalName()
1386 + "\" is added as augment from more than one module. "
1387 + "Therefore node must have namespace (XML format) or module name (JSON format)."
1388 + "\nThe node is added as augment from modules with namespaces:\n" + builder,
1389 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1392 boolean rightNodeSchemaFound = false;
1393 for (final DataSchemaNode potentialSchemaNode : potentialSchemaNodes) {
1394 if (!rightNodeSchemaFound) {
1395 final QName potentialCurrentAugment = normalizeNodeName(child, potentialSchemaNode,
1396 currentAugment, mountPoint);
1397 if (child.getQname() != null) {
1398 this.normalizeNode(child, potentialSchemaNode, potentialCurrentAugment, mountPoint);
1399 rightNodeSchemaFound = true;
1404 if (!rightNodeSchemaFound) {
1405 throw new RestconfDocumentedException("Schema node \"" + child.getLocalName()
1406 + "\" was not found in module.", ErrorType.APPLICATION, ErrorTag.UNKNOWN_ELEMENT);
1410 if ((schema instanceof ListSchemaNode)) {
1411 final ListSchemaNode listSchemaNode = (ListSchemaNode) schema;
1412 final List<QName> listKeys = listSchemaNode.getKeyDefinition();
1413 for (final QName listKey : listKeys) {
1414 boolean foundKey = false;
1415 for (final NodeWrapper<? extends Object> child : children) {
1416 if (Objects.equal(child.unwrap().getNodeType().getLocalName(), listKey.getLocalName())) {
1422 throw new RestconfDocumentedException("Missing key in URI \"" + listKey.getLocalName()
1423 + "\" of list \"" + listSchemaNode.getQName().getLocalName() + "\"", ErrorType.PROTOCOL,
1424 ErrorTag.DATA_MISSING);
1430 private void checkNodeMultiplicityAccordingToSchema(final DataNodeContainer dataNodeContainer,
1431 final List<NodeWrapper<?>> nodes) {
1432 final Map<String, Integer> equalNodeNamesToCounts = new HashMap<String, Integer>();
1433 for (final NodeWrapper<?> child : nodes) {
1434 Integer count = equalNodeNamesToCounts.get(child.getLocalName());
1435 equalNodeNamesToCounts.put(child.getLocalName(), count == null ? 1 : ++count);
1438 for (final DataSchemaNode childSchemaNode : dataNodeContainer.getChildNodes()) {
1439 if (childSchemaNode instanceof ContainerSchemaNode || childSchemaNode instanceof LeafSchemaNode) {
1440 final String localName = childSchemaNode.getQName().getLocalName();
1441 final Integer count = equalNodeNamesToCounts.get(localName);
1442 if (count != null && count > 1) {
1443 throw new RestconfDocumentedException("Multiple input data elements were specified for '"
1444 + childSchemaNode.getQName().getLocalName()
1445 + "'. The data for this element type can only be specified once.", ErrorType.APPLICATION,
1446 ErrorTag.BAD_ELEMENT);
1452 private QName normalizeNodeName(final NodeWrapper<? extends Object> nodeBuilder, final DataSchemaNode schema,
1453 final QName previousAugment, final DOMMountPoint mountPoint) {
1454 QName validQName = schema.getQName();
1455 QName currentAugment = previousAugment;
1456 if (schema.isAugmenting()) {
1457 currentAugment = schema.getQName();
1458 } else if (previousAugment != null
1459 && !Objects.equal(schema.getQName().getNamespace(), previousAugment.getNamespace())) {
1460 validQName = QName.create(currentAugment, schema.getQName().getLocalName());
1463 String moduleName = null;
1464 if (mountPoint == null) {
1465 moduleName = controllerContext.findModuleNameByNamespace(validQName.getNamespace());
1467 moduleName = controllerContext.findModuleNameByNamespace(mountPoint, validQName.getNamespace());
1470 if (nodeBuilder.getNamespace() == null || Objects.equal(nodeBuilder.getNamespace(), validQName.getNamespace())
1471 || Objects.equal(nodeBuilder.getNamespace().toString(), moduleName)) {
1473 * || Note : this check is wrong -
1474 * can never be true as it compares
1475 * a URI with a String not sure what
1476 * the intention is so commented out
1477 * ... Objects . equal ( nodeBuilder
1478 * . getNamespace ( ) ,
1479 * MOUNT_POINT_MODULE_NAME )
1482 nodeBuilder.setQname(validQName);
1485 return currentAugment;
1488 private URI namespace(final Node<?> data) {
1489 if (data instanceof NodeWrapper) {
1490 return ((NodeWrapper<?>) data).getNamespace();
1491 } else if (data != null) {
1492 return data.getNodeType().getNamespace();
1494 throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
1498 private String localName(final Node<?> data) {
1499 if (data instanceof NodeWrapper) {
1500 return ((NodeWrapper<?>) data).getLocalName();
1501 } else if (data != null) {
1502 return data.getNodeType().getLocalName();
1504 throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
1508 private String getName(final Node<?> data) {
1509 if (data instanceof NodeWrapper) {
1510 return ((NodeWrapper<?>) data).getLocalName();
1511 } else if (data != null) {
1512 return data.getNodeType().getLocalName();
1514 throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
1518 private TypeDef typeDefinition(final TypeDefinition<?> type, final QName nodeQName) {
1519 TypeDefinition<?> baseType = type;
1520 QName qName = nodeQName;
1521 while (baseType.getBaseType() != null) {
1522 if (baseType instanceof ExtendedType) {
1523 qName = baseType.getQName();
1525 baseType = baseType.getBaseType();
1528 return new TypeDef(baseType, qName);
1532 private TypeDef typeDefinition(final DataSchemaNode node) {
1533 if (node instanceof LeafListSchemaNode) {
1534 return typeDefinition(((LeafListSchemaNode)node).getType(), node.getQName());
1535 } else if (node instanceof LeafSchemaNode) {
1536 return typeDefinition(((LeafSchemaNode)node).getType(), node.getQName());
1537 } else if (node instanceof AnyXmlSchemaNode) {
1540 throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(node).toString());
1544 private CompositeNode datastoreNormalizedNodeToCompositeNode(final NormalizedNode<?, ?> dataNode, final DataSchemaNode schema) {
1545 Node<?> nodes = null;
1546 if (dataNode == null) {
1547 throw new RestconfDocumentedException(new RestconfError(ErrorType.APPLICATION, ErrorTag.DATA_MISSING,
1548 "No data was found."));
1550 nodes = DataNormalizer.toLegacy(dataNode);
1551 if (nodes != null) {
1552 if (nodes instanceof CompositeNode) {
1553 return (CompositeNode) nodes;
1555 LOG.error("The node " + dataNode.getNodeType() + " couldn't be transformed to compositenode.");
1558 LOG.error("Top level node isn't of type Container or List schema node but "
1559 + schema.getClass().getSimpleName());
1562 throw new RestconfDocumentedException(new RestconfError(ErrorType.APPLICATION, ErrorTag.INVALID_VALUE,
1563 "It wasn't possible to correctly interpret data."));
1566 private NormalizedNode<?, ?> compositeNodeToDatastoreNormalizedNode(final CompositeNode compNode,
1567 final DataSchemaNode schema) {
1568 final List<Node<?>> lst = new ArrayList<Node<?>>();
1570 if (schema instanceof ContainerSchemaNode) {
1571 return CnSnToNormalizedNodeParserFactory.getInstance().getContainerNodeParser()
1572 .parse(lst, (ContainerSchemaNode) schema);
1573 } else if (schema instanceof ListSchemaNode) {
1574 return CnSnToNormalizedNodeParserFactory.getInstance().getMapEntryNodeParser()
1575 .parse(lst, (ListSchemaNode) schema);
1578 LOG.error("Top level isn't of type container, list, leaf schema node but " + schema.getClass().getSimpleName());
1580 throw new RestconfDocumentedException(new RestconfError(ErrorType.APPLICATION, ErrorTag.INVALID_VALUE,
1581 "It wasn't possible to translate specified data to datastore readable form."));
1584 private InstanceIdentifierContext normalizeInstanceIdentifierWithSchemaNode(
1585 final InstanceIdentifierContext iiWithSchemaNode) {
1586 return normalizeInstanceIdentifierWithSchemaNode(iiWithSchemaNode, false);
1589 private InstanceIdentifierContext normalizeInstanceIdentifierWithSchemaNode(
1590 final InstanceIdentifierContext iiWithSchemaNode, final boolean unwrapLastListNode) {
1591 return new InstanceIdentifierContext(instanceIdentifierToReadableFormForNormalizeNode(
1592 iiWithSchemaNode.getInstanceIdentifier(), unwrapLastListNode), iiWithSchemaNode.getSchemaNode(),
1593 iiWithSchemaNode.getMountPoint(),iiWithSchemaNode.getSchemaContext());
1596 private YangInstanceIdentifier instanceIdentifierToReadableFormForNormalizeNode(
1597 final YangInstanceIdentifier instIdentifier, final boolean unwrapLastListNode) {
1598 Preconditions.checkNotNull(instIdentifier, "Instance identifier can't be null");
1599 final List<PathArgument> result = new ArrayList<PathArgument>();
1600 final Iterator<PathArgument> iter = instIdentifier.getPathArguments().iterator();
1601 while (iter.hasNext()) {
1602 final PathArgument pathArgument = iter.next();
1603 if (pathArgument instanceof NodeIdentifierWithPredicates && (iter.hasNext() || unwrapLastListNode)) {
1604 result.add(new YangInstanceIdentifier.NodeIdentifier(pathArgument.getNodeType()));
1606 result.add(pathArgument);
1608 return YangInstanceIdentifier.create(result);
1611 private CompositeNodeWrapper topLevelElementAsCompositeNodeWrapper(final NodeWrapper<?> node,
1612 final DataSchemaNode schemaNode) {
1613 if (node instanceof CompositeNodeWrapper) {
1614 return (CompositeNodeWrapper) node;
1615 } else if (node instanceof SimpleNodeWrapper && isDataContainerNode(schemaNode)) {
1616 final SimpleNodeWrapper simpleNodeWrapper = (SimpleNodeWrapper) node;
1617 return new CompositeNodeWrapper(namespace(simpleNodeWrapper), localName(simpleNodeWrapper));
1620 throw new RestconfDocumentedException(new RestconfError(ErrorType.APPLICATION, ErrorTag.INVALID_VALUE,
1621 "Top level element has to be composite node or has to represent data container node."));
1624 private boolean isDataContainerNode(final DataSchemaNode schemaNode) {
1625 if (schemaNode instanceof ContainerSchemaNode || schemaNode instanceof ListSchemaNode) {
1631 public BigInteger getOperationalReceived() {
1632 // TODO Auto-generated method stub
1636 private MapNode makeModuleMapNode(final Set<Module> modules) {
1637 Preconditions.checkNotNull(modules);
1638 final Module restconfModule = getRestconfModule();
1639 final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
1640 restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
1641 Preconditions.checkState(moduleSchemaNode instanceof ListSchemaNode);
1643 final CollectionNodeBuilder<MapEntryNode, MapNode> listModuleBuilder = Builders
1644 .mapBuilder((ListSchemaNode) moduleSchemaNode);
1646 for (final Module module : modules) {
1647 listModuleBuilder.withChild(toModuleEntryNode(module, moduleSchemaNode));
1649 return listModuleBuilder.build();
1652 protected MapEntryNode toModuleEntryNode(final Module module, final DataSchemaNode moduleSchemaNode) {
1653 Preconditions.checkArgument(moduleSchemaNode instanceof ListSchemaNode,
1654 "moduleSchemaNode has to be of type ListSchemaNode");
\r final ListSchemaNode listModuleSchemaNode = (ListSchemaNode) moduleSchemaNode;
\r final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> moduleNodeValues = Builders
\r .mapEntryBuilder(listModuleSchemaNode);
\r\r List<DataSchemaNode> instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
\r (listModuleSchemaNode), "name");
\r final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
\r Preconditions.checkState(nameSchemaNode instanceof LeafSchemaNode);
\r moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) nameSchemaNode).withValue(module.getName())
\r .build());
\r\r instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
\r (listModuleSchemaNode), "revision");
\r final DataSchemaNode revisionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
\r Preconditions.checkState(revisionSchemaNode instanceof LeafSchemaNode);
\r final String revision = REVISION_FORMAT.format(module.getRevision());
\r moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) revisionSchemaNode).withValue(revision)
\r .build());
\r\r instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
\r (listModuleSchemaNode), "namespace");
\r final DataSchemaNode namespaceSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
\r Preconditions.checkState(namespaceSchemaNode instanceof LeafSchemaNode);
\r moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) namespaceSchemaNode)
\r .withValue(module.getNamespace().toString()).build());
\r\r instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
\r (listModuleSchemaNode), "feature");
\r final DataSchemaNode featureSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
\r Preconditions.checkState(featureSchemaNode instanceof LeafListSchemaNode);
\r final ListNodeBuilder<Object, LeafSetEntryNode<Object>> featuresBuilder = Builders
\r .leafSetBuilder((LeafListSchemaNode) featureSchemaNode);
\r for (final FeatureDefinition feature : module.getFeatures()) {
\r featuresBuilder.withChild(Builders.leafSetEntryBuilder(((LeafListSchemaNode) featureSchemaNode))
\r .withValue(feature.getQName().getLocalName()).build());
\r }
\r moduleNodeValues.withChild(featuresBuilder.build());
1655 \r return moduleNodeValues.build();
\r }