Update MRI projects for Aluminium
[netconf.git] / restconf / restconf-nb-bierman02 / src / main / java / org / opendaylight / netconf / sal / restconf / impl / RestconfImpl.java
index 45c161e42f525f26456bf798f7bf112fe567cb93..0eb122f960e431b9906cace3eb2edc98943a70fe 100644 (file)
@@ -5,12 +5,9 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.netconf.sal.restconf.impl;
 
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.CharMatcher;
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicates;
 import com.google.common.base.Splitter;
@@ -19,9 +16,10 @@ import com.google.common.base.Throwables;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Maps;
-import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FluentFuture;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.net.URI;
 import java.time.Instant;
 import java.time.format.DateTimeFormatter;
@@ -40,23 +38,28 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.ResponseBuilder;
 import javax.ws.rs.core.Response.Status;
 import javax.ws.rs.core.UriBuilder;
 import javax.ws.rs.core.UriInfo;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
-import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import org.opendaylight.mdsal.common.api.CommitInfo;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.OptimisticLockFailedException;
+import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
+import org.opendaylight.mdsal.dom.api.DOMMountPoint;
+import org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException;
+import org.opendaylight.mdsal.dom.api.DOMRpcResult;
+import org.opendaylight.mdsal.dom.api.DOMRpcService;
+import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
 import org.opendaylight.netconf.sal.rest.api.Draft02;
 import org.opendaylight.netconf.sal.rest.api.RestconfService;
 import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
@@ -71,7 +74,7 @@ import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
 import org.opendaylight.restconf.common.patch.PatchContext;
 import org.opendaylight.restconf.common.patch.PatchStatusContext;
 import org.opendaylight.restconf.common.util.DataChangeScope;
-import org.opendaylight.restconf.common.validation.RestconfValidationUtils;
+import org.opendaylight.restconf.common.util.OperationsResourceUtils;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
 import org.opendaylight.yangtools.yang.common.QName;
@@ -95,13 +98,14 @@ import org.opendaylight.yangtools.yang.data.api.schema.tree.ModifiedNodeDoesNotE
 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeBuilder;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
@@ -112,10 +116,10 @@ import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.util.SimpleSchemaContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+@Singleton
 public final class RestconfImpl implements RestconfService {
     /**
      * Notifications are served on port 8181.
@@ -175,28 +179,34 @@ public final class RestconfImpl implements RestconfService {
 
     private final ControllerContext controllerContext;
 
-    private RestconfImpl(final BrokerFacade broker, final ControllerContext controllerContext) {
+    @Inject
+    public RestconfImpl(final BrokerFacade broker, final ControllerContext controllerContext) {
         this.broker = broker;
         this.controllerContext = controllerContext;
     }
 
+    /**
+     * Factory method.
+     *
+     * @deprecated Just use {@link #RestconfImpl(BrokerFacade, ControllerContext)} constructor instead.
+     */
+    @Deprecated
     public static RestconfImpl newInstance(final BrokerFacade broker, final ControllerContext controllerContext) {
         return new RestconfImpl(broker, controllerContext);
     }
 
     @Override
     public NormalizedNodeContext getModules(final UriInfo uriInfo) {
-        final Set<Module> allModules = this.controllerContext.getAllModules();
-        final MapNode allModuleMap = makeModuleMapNode(allModules);
+        final MapNode allModuleMap = makeModuleMapNode(controllerContext.getAllModules());
 
-        final SchemaContext schemaContext = this.controllerContext.getGlobalSchema();
+        final EffectiveModelContext schemaContext = this.controllerContext.getGlobalSchema();
 
         final Module restconfModule = getRestconfModule();
         final DataSchemaNode modulesSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
                 restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
         Preconditions.checkState(modulesSchemaNode instanceof ContainerSchemaNode);
 
-        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
+        final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
                 Builders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
         moduleContainerBuilder.withChild(allModuleMap);
 
@@ -220,15 +230,14 @@ public final class RestconfImpl implements RestconfService {
         final InstanceIdentifierContext<?> mountPointIdentifier =
                 this.controllerContext.toMountPointIdentifier(identifier);
         final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
-        final Set<Module> modules = this.controllerContext.getAllModules(mountPoint);
-        final MapNode mountPointModulesMap = makeModuleMapNode(modules);
+        final MapNode mountPointModulesMap = makeModuleMapNode(controllerContext.getAllModules(mountPoint));
 
         final Module restconfModule = getRestconfModule();
         final DataSchemaNode modulesSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
                 restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
         Preconditions.checkState(modulesSchemaNode instanceof ContainerSchemaNode);
 
-        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
+        final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
                 Builders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
         moduleContainerBuilder.withChild(mountPointModulesMap);
 
@@ -244,14 +253,14 @@ public final class RestconfImpl implements RestconfService {
         final Entry<String, Revision> nameRev = getModuleNameAndRevision(identifier);
         Module module = null;
         DOMMountPoint mountPoint = null;
-        final SchemaContext schemaContext;
+        final EffectiveModelContext schemaContext;
         if (identifier.contains(ControllerContext.MOUNT)) {
             final InstanceIdentifierContext<?> mountPointIdentifier =
                     this.controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointIdentifier.getMountPoint();
             module = this.controllerContext.findModuleByNameAndRevision(mountPoint, nameRev.getKey(),
                 nameRev.getValue());
-            schemaContext = mountPoint.getSchemaContext();
+            schemaContext = mountPoint.getEffectiveModelContext();
         } else {
             module = this.controllerContext.findModuleByNameAndRevision(nameRev.getKey(), nameRev.getValue());
             schemaContext = this.controllerContext.getGlobalSchema();
@@ -278,7 +287,7 @@ public final class RestconfImpl implements RestconfService {
 
     @Override
     public NormalizedNodeContext getAvailableStreams(final UriInfo uriInfo) {
-        final SchemaContext schemaContext = this.controllerContext.getGlobalSchema();
+        final EffectiveModelContext schemaContext = this.controllerContext.getGlobalSchema();
         final Set<String> availableStreams = Notificator.getStreamNames();
         final Module restconfModule = getRestconfModule();
         final DataSchemaNode streamSchemaNode = this.controllerContext
@@ -296,7 +305,7 @@ public final class RestconfImpl implements RestconfService {
                 restconfModule, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
         Preconditions.checkState(streamsContainerSchemaNode instanceof ContainerSchemaNode);
 
-        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> streamsContainerBuilder =
+        final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> streamsContainerBuilder =
                 Builders.containerBuilder((ContainerSchemaNode) streamsContainerSchemaNode);
         streamsContainerBuilder.withChild(listStreamsBuilder.build());
 
@@ -307,74 +316,22 @@ public final class RestconfImpl implements RestconfService {
 
     @Override
     public NormalizedNodeContext getOperations(final UriInfo uriInfo) {
-        final Set<Module> allModules = this.controllerContext.getAllModules();
-        return operationsFromModulesToNormalizedContext(allModules, null);
+        return OperationsResourceUtils.contextForModelContext(controllerContext.getGlobalSchema(), null);
     }
 
     @Override
     public NormalizedNodeContext getOperations(final String identifier, final UriInfo uriInfo) {
-        Set<Module> modules = null;
-        DOMMountPoint mountPoint = null;
-        if (identifier.contains(ControllerContext.MOUNT)) {
-            final InstanceIdentifierContext<?> mountPointIdentifier =
-                    this.controllerContext.toMountPointIdentifier(identifier);
-            mountPoint = mountPointIdentifier.getMountPoint();
-            modules = this.controllerContext.getAllModules(mountPoint);
-
-        } else {
+        if (!identifier.contains(ControllerContext.MOUNT)) {
             final String errMsg = "URI has bad format. If operations behind mount point should be showed, URI has to "
                     + " end with " +  ControllerContext.MOUNT;
             LOG.debug("{} for {}", errMsg, identifier);
             throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
-        return operationsFromModulesToNormalizedContext(modules, mountPoint);
-    }
-
-    /**
-     * Special case only for GET restconf/operations use (since moment of
-     * pre-Beryllium Yang parser and Yang model API removal). The method is
-     * creating fake schema context with fake module and fake data by use own
-     * implementations of schema nodes and module.
-     *
-     * @param modules
-     *            set of modules for get RPCs from every module
-     * @param mountPoint
-     *            mount point, if in use otherwise null
-     * @return {@link NormalizedNodeContext}
-     */
-    private static NormalizedNodeContext operationsFromModulesToNormalizedContext(final Set<Module> modules,
-            final DOMMountPoint mountPoint) {
-
-        final Collection<Module> neededModules = new ArrayList<>(modules.size());
-        final ArrayList<LeafSchemaNode> fakeRpcSchema = new ArrayList<>();
-
-        for (final Module m : modules) {
-            final Set<RpcDefinition> rpcs = m.getRpcs();
-            if (!rpcs.isEmpty()) {
-                neededModules.add(m);
-
-                fakeRpcSchema.ensureCapacity(fakeRpcSchema.size() + rpcs.size());
-                rpcs.forEach(rpc -> fakeRpcSchema.add(new FakeLeafSchemaNode(rpc.getQName())));
-            }
-        }
-
-        final ContainerSchemaNode fakeCont = new FakeContainerSchemaNode(fakeRpcSchema);
-        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder =
-                Builders.containerBuilder(fakeCont);
-
-        for (final LeafSchemaNode leaf : fakeRpcSchema) {
-            containerBuilder.withChild(Builders.leafBuilder(leaf).build());
-        }
-
-        final Collection<Module> fakeModules = new ArrayList<>(neededModules.size() + 1);
-        neededModules.forEach(imp -> fakeModules.add(new FakeImportedModule(imp)));
-        fakeModules.add(new FakeRestconfModule(neededModules, fakeCont));
-
-        final SchemaContext fakeSchemaCtx = SimpleSchemaContext.forModules(ImmutableSet.copyOf(fakeModules));
-        final InstanceIdentifierContext<ContainerSchemaNode> instanceIdentifierContext =
-                new InstanceIdentifierContext<>(null, fakeCont, mountPoint, fakeSchemaCtx);
-        return new NormalizedNodeContext(instanceIdentifierContext, containerBuilder.build());
+        final InstanceIdentifierContext<?> mountPointIdentifier =
+                this.controllerContext.toMountPointIdentifier(identifier);
+        final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
+        return OperationsResourceUtils.contextForModelContext(mountPoint.getSchemaContext(), mountPoint);
     }
 
     private Module getRestconfModule() {
@@ -423,11 +380,16 @@ public final class RestconfImpl implements RestconfService {
     @Override
     public NormalizedNodeContext invokeRpc(final String identifier, final NormalizedNodeContext payload,
             final UriInfo uriInfo) {
+        if (payload == null) {
+            // no payload specified, reroute this to no payload invokeRpc implementation
+            return invokeRpc(identifier, uriInfo);
+        }
+
         final SchemaPath type = payload.getInstanceIdentifierContext().getSchemaNode().getPath();
         final URI namespace = payload.getInstanceIdentifierContext().getSchemaNode().getQName().getNamespace();
-        final ListenableFuture<DOMRpcResult> response;
+        final ListenableFuture<? extends DOMRpcResult> response;
         final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
-        final SchemaContext schemaContext;
+        final EffectiveModelContext schemaContext;
 
         if (mountPoint != null) {
             final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
@@ -435,7 +397,7 @@ public final class RestconfImpl implements RestconfService {
                 LOG.debug("Error: Rpc service is missing.");
                 throw new RestconfDocumentedException("Rpc service is missing.");
             }
-            schemaContext = mountPoint.getSchemaContext();
+            schemaContext = mountPoint.getEffectiveModelContext();
             response = mountRpcServices.get().invokeRpc(type, payload.getData());
         } else {
             if (namespace.toString().equals(SAL_REMOTE_NAMESPACE)) {
@@ -465,43 +427,44 @@ public final class RestconfImpl implements RestconfService {
             resultData = null;
         }
 
-        return new NormalizedNodeContext(
-                new InstanceIdentifierContext<>(null, resultNodeSchema, mountPoint, schemaContext),
-                resultData, QueryParametersParser.parseWriterParameters(uriInfo));
-    }
-
-    @Override
-    public NormalizedNodeContext invokeRpc(final String identifier, final String noPayload, final UriInfo uriInfo) {
-        if (noPayload != null && !CharMatcher.whitespace().matchesAllOf(noPayload)) {
-            throw new RestconfDocumentedException("Content must be empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
+        if (resultData != null && ((ContainerNode) resultData).getValue().isEmpty()) {
+            throw new WebApplicationException(Response.Status.NO_CONTENT);
+        } else {
+            return new NormalizedNodeContext(
+                    new InstanceIdentifierContext<>(null, resultNodeSchema, mountPoint, schemaContext),
+                    resultData, QueryParametersParser.parseWriterParameters(uriInfo));
         }
+    }
 
-        String identifierEncoded = null;
-        DOMMountPoint mountPoint = null;
-        final SchemaContext schemaContext;
+    @SuppressFBWarnings(value = "NP_LOAD_OF_KNOWN_NULL_VALUE",
+            justification = "Looks like a false positive, see below FIXME")
+    private NormalizedNodeContext invokeRpc(final String identifier, final UriInfo uriInfo) {
+        final DOMMountPoint mountPoint;
+        final String identifierEncoded;
+        final EffectiveModelContext schemaContext;
         if (identifier.contains(ControllerContext.MOUNT)) {
             // mounted RPC call - look up mount instance.
             final InstanceIdentifierContext<?> mountPointId = this.controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointId.getMountPoint();
-            schemaContext = mountPoint.getSchemaContext();
+            schemaContext = mountPoint.getEffectiveModelContext();
             final int startOfRemoteRpcName =
                     identifier.lastIndexOf(ControllerContext.MOUNT) + ControllerContext.MOUNT.length() + 1;
             final String remoteRpcName = identifier.substring(startOfRemoteRpcName);
             identifierEncoded = remoteRpcName;
 
-        } else if (identifier.indexOf('/') != CHAR_NOT_FOUND) {
+        } else if (identifier.indexOf('/') == CHAR_NOT_FOUND) {
+            identifierEncoded = identifier;
+            mountPoint = null;
+            schemaContext = this.controllerContext.getGlobalSchema();
+        } else {
             LOG.debug("Identifier {} cannot contain slash character (/).", identifier);
             throw new RestconfDocumentedException(String.format("Identifier %n%s%ncan\'t contain slash character (/).%n"
                     + "If slash is part of identifier name then use %%2F placeholder.", identifier), ErrorType.PROTOCOL,
                 ErrorTag.INVALID_VALUE);
-        } else {
-            identifierEncoded = identifier;
-            schemaContext = this.controllerContext.getGlobalSchema();
         }
 
-        final String identifierDecoded = this.controllerContext.urlPathArgDecode(identifierEncoded);
-
-        RpcDefinition rpc = null;
+        final String identifierDecoded = ControllerContext.urlPathArgDecode(identifierEncoded);
+        final RpcDefinition rpc;
         if (mountPoint == null) {
             rpc = this.controllerContext.getRpcDefinition(identifierDecoded);
         } else {
@@ -514,12 +477,12 @@ public final class RestconfImpl implements RestconfService {
         }
 
         if (!rpc.getInput().getChildNodes().isEmpty()) {
-            LOG.debug("RPC {} does not need input value.", rpc);
-            throw new RestconfDocumentedException("RPC " + rpc + " does not take any input value.",
-                    ErrorType.RPC, ErrorTag.INVALID_VALUE);
+            LOG.debug("No input specified for RPC {} with an input section", rpc);
+            throw new RestconfDocumentedException("No input specified for RPC " + rpc
+                    + " with an input section defined", ErrorType.RPC, ErrorTag.MISSING_ELEMENT);
         }
 
-        final ListenableFuture<DOMRpcResult> response;
+        final ListenableFuture<? extends DOMRpcResult> response;
         if (mountPoint != null) {
             final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
             if (!mountRpcServices.isPresent()) {
@@ -530,14 +493,24 @@ public final class RestconfImpl implements RestconfService {
             response = this.broker.invokeRpc(rpc.getPath(), null);
         }
 
-        final DOMRpcResult result = checkRpcResponse(response);
+        final NormalizedNode<?, ?> result = checkRpcResponse(response).getResult();
+        if (result != null && ((ContainerNode) result).getValue().isEmpty()) {
+            throw new WebApplicationException(Response.Status.NO_CONTENT);
+        }
 
-        return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, rpc, mountPoint, schemaContext),
-                result.getResult(), QueryParametersParser.parseWriterParameters(uriInfo));
+        // FIXME: in reference to the above @SupressFBWarnings: "mountPoint" reference here trips up SpotBugs, as it
+        //        thinks it can only ever be null. Except it can very much be non-null. The core problem is the horrible
+        //        structure of this code where we have a sh*tload of checks for mountpoint above and all over the
+        //        codebase where all that difference should have been properly encapsulated.
+        //
+        //        This is legacy code, so if anybody cares to do that refactor, feel free to contribute, but I am not
+        //        doing that work.
+        return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, rpc, mountPoint, schemaContext), result,
+            QueryParametersParser.parseWriterParameters(uriInfo));
     }
 
     @SuppressWarnings("checkstyle:avoidHidingCauseException")
-    private static DOMRpcResult checkRpcResponse(final ListenableFuture<DOMRpcResult> response) {
+    private static DOMRpcResult checkRpcResponse(final ListenableFuture<? extends DOMRpcResult> response) {
         if (response == null) {
             return null;
         }
@@ -555,24 +528,22 @@ public final class RestconfImpl implements RestconfService {
         } catch (final ExecutionException e) {
             LOG.debug("Execution RpcError: ", e);
             Throwable cause = e.getCause();
-            if (cause != null) {
-                while (cause.getCause() != null) {
-                    cause = cause.getCause();
-                }
-
-                if (cause instanceof IllegalArgumentException) {
-                    throw new RestconfDocumentedException(cause.getMessage(), ErrorType.PROTOCOL,
-                            ErrorTag.INVALID_VALUE);
-                } else if (cause instanceof DOMRpcImplementationNotAvailableException) {
-                    throw new RestconfDocumentedException(cause.getMessage(), ErrorType.APPLICATION,
-                            ErrorTag.OPERATION_NOT_SUPPORTED);
-                }
+            if (cause == null) {
                 throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
-                        cause);
-            } else {
-                throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
-                        e);
+                    e);
+            }
+            while (cause.getCause() != null) {
+                cause = cause.getCause();
+            }
+
+            if (cause instanceof IllegalArgumentException) {
+                throw new RestconfDocumentedException(cause.getMessage(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
+            } else if (cause instanceof DOMRpcImplementationNotAvailableException) {
+                throw new RestconfDocumentedException(cause.getMessage(), ErrorType.APPLICATION,
+                    ErrorTag.OPERATION_NOT_SUPPORTED);
             }
+            throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
+                cause);
         } catch (final CancellationException e) {
             final String errMsg = "The operation was cancelled while executing.";
             LOG.debug("Cancel RpcExecution: {}", errMsg, e);
@@ -593,7 +564,7 @@ public final class RestconfImpl implements RestconfService {
     private ListenableFuture<DOMRpcResult> invokeSalRemoteRpcSubscribeRPC(final NormalizedNodeContext payload) {
         final ContainerNode value = (ContainerNode) payload.getData();
         final QName rpcQName = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
-        final java.util.Optional<DataContainerChild<? extends PathArgument, ?>> path = value.getChild(
+        final Optional<DataContainerChild<? extends PathArgument, ?>> path = value.getChild(
             new NodeIdentifier(QName.create(payload.getInstanceIdentifierContext().getSchemaNode().getQName(),
                 "path")));
         final Object pathValue = path.isPresent() ? path.get().getValue() : null;
@@ -815,21 +786,28 @@ public final class RestconfImpl implements RestconfService {
             }
 
             try {
-                result.getFutureOfPutData().checkedGet();
-                return Response.status(result.getStatus()).build();
-            } catch (final TransactionCommitFailedException e) {
-                if (e instanceof OptimisticLockFailedException) {
+                result.getFutureOfPutData().get();
+            } catch (final InterruptedException e) {
+                LOG.debug("Update failed for {}", identifier, e);
+                throw new RestconfDocumentedException(e.getMessage(), e);
+            } catch (final ExecutionException e) {
+                final TransactionCommitFailedException failure = Throwables.getCauseAs(e,
+                    TransactionCommitFailedException.class);
+                if (failure instanceof OptimisticLockFailedException) {
                     if (--tries <= 0) {
                         LOG.debug("Got OptimisticLockFailedException on last try - failing {}", identifier);
-                        throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
+                        throw new RestconfDocumentedException(e.getMessage(), e, failure.getErrorList());
                     }
 
                     LOG.debug("Got OptimisticLockFailedException - trying again {}", identifier);
-                } else {
-                    LOG.debug("Update failed for {}", identifier, e);
-                    throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
+                    continue;
                 }
+
+                LOG.debug("Update failed for {}", identifier, e);
+                throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), failure);
             }
+
+            return Response.status(result.getStatus()).build();
         }
     }
 
@@ -873,8 +851,7 @@ public final class RestconfImpl implements RestconfService {
         if (schemaNode instanceof ListSchemaNode) {
             final List<QName> keyDefinitions = ((ListSchemaNode) schemaNode).getKeyDefinition();
             if (lastPathArgument instanceof NodeIdentifierWithPredicates && data instanceof MapEntryNode) {
-                final Map<QName, Object> uriKeyValues =
-                        ((NodeIdentifierWithPredicates) lastPathArgument).getKeyValues();
+                final Map<QName, Object> uriKeyValues = ((NodeIdentifierWithPredicates) lastPathArgument).asMap();
                 isEqualUriAndPayloadKeyValues(uriKeyValues, (MapEntryNode) data, keyDefinitions);
             }
         }
@@ -886,12 +863,12 @@ public final class RestconfImpl implements RestconfService {
 
         final Map<QName, Object> mutableCopyUriKeyValues = Maps.newHashMap(uriKeyValues);
         for (final QName keyDefinition : keyDefinitions) {
-            final Object uriKeyValue = mutableCopyUriKeyValues.remove(keyDefinition);
-            // should be caught during parsing URI to InstanceIdentifier
-            RestconfValidationUtils.checkDocumentedError(uriKeyValue != null, ErrorType.PROTOCOL, ErrorTag.DATA_MISSING,
-                    "Missing key " + keyDefinition + " in URI.");
+            final Object uriKeyValue = RestconfDocumentedException.throwIfNull(
+                // should be caught during parsing URI to InstanceIdentifier
+                mutableCopyUriKeyValues.remove(keyDefinition), ErrorType.PROTOCOL, ErrorTag.DATA_MISSING,
+                "Missing key %s in URI.", keyDefinition);
 
-            final Object dataKeyValue = payload.getIdentifier().getKeyValues().get(keyDefinition);
+            final Object dataKeyValue = payload.getIdentifier().getValue(keyDefinition);
 
             if (!Objects.deepEquals(uriKeyValue, dataKeyValue)) {
                 final String errMsg = "The value '" + uriKeyValue + "' for key '" + keyDefinition.getLocalName()
@@ -955,7 +932,7 @@ public final class RestconfImpl implements RestconfService {
                     "Point parameter can be used only with 'after' or 'before' values of Insert parameter.");
         }
 
-        CheckedFuture<Void, TransactionCommitFailedException> future;
+        FluentFuture<? extends CommitInfo> future;
         if (mountPoint != null) {
             future = this.broker.commitConfigurationDataPost(mountPoint, normalizedII, payload.getData(), insert,
                     point);
@@ -965,12 +942,14 @@ public final class RestconfImpl implements RestconfService {
         }
 
         try {
-            future.checkedGet();
-        } catch (final RestconfDocumentedException e) {
-            throw e;
-        } catch (final TransactionCommitFailedException e) {
+            future.get();
+        } catch (final InterruptedException e) {
             LOG.info("Error creating data {}", uriInfo != null ? uriInfo.getPath() : "", e);
-            throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
+            throw new RestconfDocumentedException(e.getMessage(), e);
+        } catch (final ExecutionException e) {
+            LOG.info("Error creating data {}", uriInfo != null ? uriInfo.getPath() : "", e);
+            throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), Throwables.getCauseAs(e,
+                TransactionCommitFailedException.class));
         }
 
         LOG.trace("Successfuly created data.");
@@ -1009,7 +988,7 @@ public final class RestconfImpl implements RestconfService {
         final DOMMountPoint mountPoint = iiWithData.getMountPoint();
         final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
 
-        final CheckedFuture<Void, TransactionCommitFailedException> future;
+        final FluentFuture<? extends CommitInfo> future;
         if (mountPoint != null) {
             future = this.broker.commitConfigurationDataDelete(mountPoint, normalizedII);
         } else {
@@ -1017,18 +996,19 @@ public final class RestconfImpl implements RestconfService {
         }
 
         try {
-            future.checkedGet();
-        } catch (final TransactionCommitFailedException e) {
+            future.get();
+        } catch (final InterruptedException e) {
+            throw new RestconfDocumentedException(e.getMessage(), e);
+        } catch (final ExecutionException e) {
             final Optional<Throwable> searchedException = Iterables.tryFind(Throwables.getCausalChain(e),
-                    Predicates.instanceOf(ModifiedNodeDoesNotExistException.class));
+                    Predicates.instanceOf(ModifiedNodeDoesNotExistException.class)).toJavaUtil();
             if (searchedException.isPresent()) {
-                throw new RestconfDocumentedException("Data specified for delete doesn't exist.",
-                        ErrorType.APPLICATION, ErrorTag.DATA_MISSING, e);
+                throw new RestconfDocumentedException("Data specified for delete doesn't exist.", ErrorType.APPLICATION,
+                    ErrorTag.DATA_MISSING, e);
             }
 
-            final String errMsg = "Error while deleting data";
-            LOG.info(errMsg, e);
-            throw new RestconfDocumentedException(e.getMessage(), e, e.getErrorList());
+            throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), Throwables.getCauseAs(e,
+                TransactionCommitFailedException.class));
         }
 
         return Response.status(Status.OK).build();
@@ -1109,7 +1089,7 @@ public final class RestconfImpl implements RestconfService {
         if (response != null) {
             // prepare node with value of location
             final InstanceIdentifierContext<?> iid = prepareIIDSubsStreamOutput();
-            final NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> builder =
+            final NormalizedNodeBuilder<NodeIdentifier, Object, LeafNode<Object>> builder =
                     ImmutableLeafNodeBuilder.create().withValue(response.toString());
             builder.withNodeIdentifier(
                     NodeIdentifier.create(QName.create("subscribe:to:notification", "2016-10-28", "location")));
@@ -1146,7 +1126,7 @@ public final class RestconfImpl implements RestconfService {
      */
     private InstanceIdentifierContext<?> prepareIIDSubsStreamOutput() {
         final QName qnameBase = QName.create("subscribe:to:notification", "2016-10-28", "notifi");
-        final SchemaContext schemaCtx = controllerContext.getGlobalSchema();
+        final EffectiveModelContext schemaCtx = controllerContext.getGlobalSchema();
         final DataSchemaNode location = ((ContainerSchemaNode) schemaCtx
                 .findModule(qnameBase.getModule()).orElse(null)
                 .getDataChildByName(qnameBase)).getDataChildByName(QName.create(qnameBase, "location"));
@@ -1187,8 +1167,7 @@ public final class RestconfImpl implements RestconfService {
 
         for (final NotificationListenerAdapter listener : listeners) {
             this.broker.registerToListenNotification(listener);
-            listener.setQueryParams(start,
-                    java.util.Optional.ofNullable(stop), java.util.Optional.ofNullable(filter), false);
+            listener.setQueryParams(start, Optional.ofNullable(stop), Optional.ofNullable(filter), false);
         }
 
         final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
@@ -1202,7 +1181,7 @@ public final class RestconfImpl implements RestconfService {
         return uriToWebsocketServerBuilder.replacePath(streamName).build();
     }
 
-    private String getWsScheme(final UriInfo uriInfo) {
+    private static String getWsScheme(final UriInfo uriInfo) {
         URI uri = uriInfo.getAbsolutePath();
         if (uri == null) {
             return "ws";
@@ -1238,8 +1217,7 @@ public final class RestconfImpl implements RestconfService {
             throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL,
                     ErrorTag.UNKNOWN_ELEMENT);
         }
-        listener.setQueryParams(start, java.util.Optional.ofNullable(stop),
-                java.util.Optional.ofNullable(filter), leafNodesOnly);
+        listener.setQueryParams(start, Optional.ofNullable(stop), Optional.ofNullable(filter), leafNodesOnly);
 
         final Map<String, String> paramToValues = resolveValuesFromUri(identifier);
         final LogicalDatastoreType datastore =
@@ -1308,7 +1286,7 @@ public final class RestconfImpl implements RestconfService {
      */
     private static <T> T parseEnumTypeParameter(final ContainerNode value, final Class<T> classDescriptor,
             final String paramName) {
-        final java.util.Optional<DataContainerChild<? extends PathArgument, ?>> optAugNode = value.getChild(
+        final Optional<DataContainerChild<? extends PathArgument, ?>> optAugNode = value.getChild(
             SAL_REMOTE_AUG_IDENTIFIER);
         if (!optAugNode.isPresent()) {
             return null;
@@ -1317,8 +1295,8 @@ public final class RestconfImpl implements RestconfService {
         if (!(augNode instanceof AugmentationNode)) {
             return null;
         }
-        final java.util.Optional<DataContainerChild<? extends PathArgument, ?>> enumNode = ((AugmentationNode) augNode)
-            .getChild(new NodeIdentifier(QName.create(SAL_REMOTE_AUGMENT, paramName)));
+        final Optional<DataContainerChild<? extends PathArgument, ?>> enumNode = ((AugmentationNode) augNode).getChild(
+                new NodeIdentifier(QName.create(SAL_REMOTE_AUGMENT, paramName)));
         if (!enumNode.isPresent()) {
             return null;
         }
@@ -1368,7 +1346,7 @@ public final class RestconfImpl implements RestconfService {
         return result;
     }
 
-    private MapNode makeModuleMapNode(final Set<Module> modules) {
+    private MapNode makeModuleMapNode(final Collection<? extends Module> modules) {
         Preconditions.checkNotNull(modules);
         final Module restconfModule = getRestconfModule();
         final DataSchemaNode moduleSchemaNode = this.controllerContext
@@ -1384,11 +1362,11 @@ public final class RestconfImpl implements RestconfService {
         return listModuleBuilder.build();
     }
 
-    protected MapEntryNode toModuleEntryNode(final Module module, final DataSchemaNode moduleSchemaNode) {
+    private MapEntryNode toModuleEntryNode(final Module module, final DataSchemaNode moduleSchemaNode) {
         Preconditions.checkArgument(moduleSchemaNode instanceof ListSchemaNode,
                 "moduleSchemaNode has to be of type ListSchemaNode");
         final ListSchemaNode listModuleSchemaNode = (ListSchemaNode) moduleSchemaNode;
-        final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> moduleNodeValues =
+        final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> moduleNodeValues =
                 Builders.mapEntryBuilder(listModuleSchemaNode);
 
         List<DataSchemaNode> instanceDataChildrenByName =
@@ -1398,22 +1376,22 @@ public final class RestconfImpl implements RestconfService {
         moduleNodeValues
                 .withChild(Builders.leafBuilder((LeafSchemaNode) nameSchemaNode).withValue(module.getName()).build());
 
+        final QNameModule qNameModule = module.getQNameModule();
+
         instanceDataChildrenByName =
                 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "revision");
         final DataSchemaNode revisionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
         Preconditions.checkState(revisionSchemaNode instanceof LeafSchemaNode);
-        final java.util.Optional<Revision> revision = module.getQNameModule().getRevision();
-        if (revision.isPresent()) {
-            moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) revisionSchemaNode)
-                .withValue(revision.get().toString()).build());
-        }
+        final Optional<Revision> revision = qNameModule.getRevision();
+        moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) revisionSchemaNode)
+                .withValue(revision.map(Revision::toString).orElse("")).build());
 
         instanceDataChildrenByName =
                 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "namespace");
         final DataSchemaNode namespaceSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
         Preconditions.checkState(namespaceSchemaNode instanceof LeafSchemaNode);
         moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) namespaceSchemaNode)
-                .withValue(module.getNamespace().toString()).build());
+                .withValue(qNameModule.getNamespace().toString()).build());
 
         instanceDataChildrenByName =
                 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "feature");
@@ -1434,7 +1412,7 @@ public final class RestconfImpl implements RestconfService {
         Preconditions.checkArgument(streamSchemaNode instanceof ListSchemaNode,
                 "streamSchemaNode has to be of type ListSchemaNode");
         final ListSchemaNode listStreamSchemaNode = (ListSchemaNode) streamSchemaNode;
-        final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamNodeValues =
+        final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamNodeValues =
                 Builders.mapEntryBuilder(listStreamSchemaNode);
 
         List<DataSchemaNode> instanceDataChildrenByName =
@@ -1455,7 +1433,7 @@ public final class RestconfImpl implements RestconfService {
         final DataSchemaNode replaySupportSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
         Preconditions.checkState(replaySupportSchemaNode instanceof LeafSchemaNode);
         streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) replaySupportSchemaNode)
-                .withValue(Boolean.valueOf(true)).build());
+                .withValue(Boolean.TRUE).build());
 
         instanceDataChildrenByName =
                 ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "replay-log-creation-time");