Merge "Bug 1125: Added regression test"
[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / restconf / impl / RestconfImpl.java
index 9700d48bc298f30576796d76a72489d5ae0900da..bb7547d3302f1d172c1271416c08e0895ac46398 100644 (file)
@@ -25,6 +25,7 @@ import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.Future;
 import javax.ws.rs.core.Response;
@@ -51,11 +52,14 @@ import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.InstanceIdentifierBuilder;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.MutableCompositeNode;
 import org.opendaylight.yangtools.yang.data.api.Node;
 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
 import org.opendaylight.yangtools.yang.data.impl.NodeFactory;
+import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
@@ -74,13 +78,29 @@ import org.opendaylight.yangtools.yang.parser.builder.impl.ContainerSchemaNodeBu
 import org.opendaylight.yangtools.yang.parser.builder.impl.LeafSchemaNodeBuilder;
 
 public class RestconfImpl implements RestconfService {
+    private enum UriParameters {
+        PRETTY_PRINT("prettyPrint"),
+        DEPTH("depth");
+
+        private String uriParameterName;
+
+        UriParameters(String uriParameterName) {
+            this.uriParameterName = uriParameterName;
+        }
+
+        @Override
+        public String toString() {
+            return uriParameterName;
+        }
+    }
+
     private final static RestconfImpl INSTANCE = new RestconfImpl();
 
     private static final int CHAR_NOT_FOUND = -1;
 
     private final static String MOUNT_POINT_MODULE_NAME = "ietf-netconf";
 
-    private final static SimpleDateFormat REVISION_FORMAT =  new SimpleDateFormat("yyyy-MM-dd");
+    private final static SimpleDateFormat REVISION_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
 
     private final static String SAL_REMOTE_NAMESPACE = "urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote";
 
@@ -106,12 +126,12 @@ public class RestconfImpl implements RestconfService {
     }
 
     @Override
-    public StructuredData getModules() {
+    public StructuredData getModules(final UriInfo uriInfo) {
         final Module restconfModule = this.getRestconfModule();
 
         final List<Node<?>> modulesAsData = new ArrayList<Node<?>>();
-        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                        restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
+        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
 
         Set<Module> allModules = this.controllerContext.getAllModules();
         for (final Module module : allModules) {
@@ -119,135 +139,128 @@ public class RestconfImpl implements RestconfService {
             modulesAsData.add(moduleCompositeNode);
         }
 
-        final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                   restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
+        final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
         QName qName = modulesSchemaNode.getQName();
         final CompositeNode modulesNode = NodeFactory.createImmutableCompositeNode(qName, null, modulesAsData);
-        return new StructuredData(modulesNode, modulesSchemaNode, null);
+        return new StructuredData(modulesNode, modulesSchemaNode, null, parsePrettyPrintParameter(uriInfo));
     }
 
     @Override
-    public StructuredData getAvailableStreams() {
+    public StructuredData getAvailableStreams(final UriInfo uriInfo) {
         Set<String> availableStreams = Notificator.getStreamNames();
 
         final List<Node<?>> streamsAsData = new ArrayList<Node<?>>();
         Module restconfModule = this.getRestconfModule();
-        final DataSchemaNode streamSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                             restconfModule, Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
+        final DataSchemaNode streamSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
         for (final String streamName : availableStreams) {
             streamsAsData.add(this.toStreamCompositeNode(streamName, streamSchemaNode));
         }
 
-        final DataSchemaNode streamsSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                     restconfModule, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
+        final DataSchemaNode streamsSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
         QName qName = streamsSchemaNode.getQName();
         final CompositeNode streamsNode = NodeFactory.createImmutableCompositeNode(qName, null, streamsAsData);
-        return new StructuredData(streamsNode, streamsSchemaNode, null);
+        return new StructuredData(streamsNode, streamsSchemaNode, null, parsePrettyPrintParameter(uriInfo));
     }
 
     @Override
-    public StructuredData getModules(final String identifier) {
+    public StructuredData getModules(final String identifier, final UriInfo uriInfo) {
         Set<Module> modules = null;
         MountInstance mountPoint = null;
         if (identifier.contains(ControllerContext.MOUNT)) {
-            InstanceIdWithSchemaNode mountPointIdentifier =
-                                           this.controllerContext.toMountPointIdentifier(identifier);
+            InstanceIdWithSchemaNode mountPointIdentifier = this.controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointIdentifier.getMountPoint();
             modules = this.controllerContext.getAllModules(mountPoint);
-        }
-        else {
+        } else {
             throw new RestconfDocumentedException(
-                    "URI has bad format. If modules behind mount point should be showed, URI has to end with " +
-                    ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                    "URI has bad format. If modules behind mount point should be showed, URI has to end with "
+                            + ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
         final List<Node<?>> modulesAsData = new ArrayList<Node<?>>();
         Module restconfModule = this.getRestconfModule();
-        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                         restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
+        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
 
         for (final Module module : modules) {
             modulesAsData.add(this.toModuleCompositeNode(module, moduleSchemaNode));
         }
 
-        final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                  restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
+        final DataSchemaNode modulesSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
         QName qName = modulesSchemaNode.getQName();
         final CompositeNode modulesNode = NodeFactory.createImmutableCompositeNode(qName, null, modulesAsData);
-        return new StructuredData(modulesNode, modulesSchemaNode, mountPoint);
+        return new StructuredData(modulesNode, modulesSchemaNode, mountPoint, parsePrettyPrintParameter(uriInfo));
     }
 
     @Override
-    public StructuredData getModule(final String identifier) {
+    public StructuredData getModule(final String identifier, final UriInfo uriInfo) {
         final QName moduleNameAndRevision = this.getModuleNameAndRevision(identifier);
         Module module = null;
         MountInstance mountPoint = null;
         if (identifier.contains(ControllerContext.MOUNT)) {
-            InstanceIdWithSchemaNode mountPointIdentifier =
-                                            this.controllerContext.toMountPointIdentifier(identifier);
+            InstanceIdWithSchemaNode mountPointIdentifier = this.controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointIdentifier.getMountPoint();
             module = this.controllerContext.findModuleByNameAndRevision(mountPoint, moduleNameAndRevision);
-        }
-        else {
+        } else {
             module = this.controllerContext.findModuleByNameAndRevision(moduleNameAndRevision);
         }
 
         if (module == null) {
-            throw new RestconfDocumentedException(
-                    "Module with name '" + moduleNameAndRevision.getLocalName() + "' and revision '" +
-                    moduleNameAndRevision.getRevision() + "' was not found.",
-                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT );
+            throw new RestconfDocumentedException("Module with name '" + moduleNameAndRevision.getLocalName()
+                    + "' and revision '" + moduleNameAndRevision.getRevision() + "' was not found.",
+                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
         }
 
         Module restconfModule = this.getRestconfModule();
-        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                                          restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
+        final DataSchemaNode moduleSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(restconfModule,
+                Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
         final CompositeNode moduleNode = this.toModuleCompositeNode(module, moduleSchemaNode);
-        return new StructuredData(moduleNode, moduleSchemaNode, mountPoint);
+        return new StructuredData(moduleNode, moduleSchemaNode, mountPoint, parsePrettyPrintParameter(uriInfo));
     }
 
     @Override
-    public StructuredData getOperations() {
+    public StructuredData getOperations(final UriInfo uriInfo) {
         Set<Module> allModules = this.controllerContext.getAllModules();
-        return this.operationsFromModulesToStructuredData(allModules, null);
+        return this.operationsFromModulesToStructuredData(allModules, null, parsePrettyPrintParameter(uriInfo));
     }
 
     @Override
-    public StructuredData getOperations(final String identifier) {
+    public StructuredData getOperations(final String identifier, final UriInfo uriInfo) {
         Set<Module> modules = null;
         MountInstance mountPoint = null;
         if (identifier.contains(ControllerContext.MOUNT)) {
-            InstanceIdWithSchemaNode mountPointIdentifier =
-                                         this.controllerContext.toMountPointIdentifier(identifier);
+            InstanceIdWithSchemaNode mountPointIdentifier = this.controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointIdentifier.getMountPoint();
             modules = this.controllerContext.getAllModules(mountPoint);
-        }
-        else {
+        } else {
             throw new RestconfDocumentedException(
-                    "URI has bad format. If operations behind mount point should be showed, URI has to end with " +
-                    ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                    "URI has bad format. If operations behind mount point should be showed, URI has to end with "
+                            + ControllerContext.MOUNT, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
-        return this.operationsFromModulesToStructuredData(modules, mountPoint);
+        return this.operationsFromModulesToStructuredData(modules, mountPoint, parsePrettyPrintParameter(uriInfo));
     }
 
     private StructuredData operationsFromModulesToStructuredData(final Set<Module> modules,
-                                                                 final MountInstance mountPoint) {
+            final MountInstance mountPoint, boolean prettyPrint) {
         final List<Node<?>> operationsAsData = new ArrayList<Node<?>>();
         Module restconfModule = this.getRestconfModule();
         final DataSchemaNode operationsSchemaNode = controllerContext.getRestconfModuleRestConfSchemaNode(
-                              restconfModule, Draft02.RestConfModule.OPERATIONS_CONTAINER_SCHEMA_NODE);
+                restconfModule, Draft02.RestConfModule.OPERATIONS_CONTAINER_SCHEMA_NODE);
         QName qName = operationsSchemaNode.getQName();
         SchemaPath path = operationsSchemaNode.getPath();
-        ContainerSchemaNodeBuilder containerSchemaNodeBuilder =
-                             new ContainerSchemaNodeBuilder(Draft02.RestConfModule.NAME, 0, qName, path);
+        ContainerSchemaNodeBuilder containerSchemaNodeBuilder = new ContainerSchemaNodeBuilder(
+                Draft02.RestConfModule.NAME, 0, qName, path);
         final ContainerSchemaNodeBuilder fakeOperationsSchemaNode = containerSchemaNodeBuilder;
         for (final Module module : modules) {
             Set<RpcDefinition> rpcs = module.getRpcs();
             for (final RpcDefinition rpc : rpcs) {
                 QName rpcQName = rpc.getQName();
-                SimpleNode<Object> immutableSimpleNode =
-                                     NodeFactory.<Object>createImmutableSimpleNode(rpcQName, null, null);
+                SimpleNode<Object> immutableSimpleNode = NodeFactory.<Object> createImmutableSimpleNode(rpcQName, null,
+                        null);
                 operationsAsData.add(immutableSimpleNode);
 
                 String name = module.getName();
@@ -262,18 +275,16 @@ public class RestconfImpl implements RestconfService {
             }
         }
 
-        final CompositeNode operationsNode =
-                                  NodeFactory.createImmutableCompositeNode(qName, null, operationsAsData);
+        final CompositeNode operationsNode = NodeFactory.createImmutableCompositeNode(qName, null, operationsAsData);
         ContainerSchemaNode schemaNode = fakeOperationsSchemaNode.build();
-        return new StructuredData(operationsNode, schemaNode, mountPoint);
+        return new StructuredData(operationsNode, schemaNode, mountPoint, prettyPrint);
     }
 
     private Module getRestconfModule() {
         Module restconfModule = controllerContext.getRestconfModule();
         if (restconfModule == null) {
-            throw new RestconfDocumentedException(
-                    "ietf-restconf module was not found.", ErrorType.APPLICATION,
-                    ErrorTag.OPERATION_NOT_SUPPORTED );
+            throw new RestconfDocumentedException("ietf-restconf module was not found.", ErrorType.APPLICATION,
+                    ErrorTag.OPERATION_NOT_SUPPORTED);
         }
 
         return restconfModule;
@@ -284,96 +295,91 @@ public class RestconfImpl implements RestconfService {
         String moduleNameAndRevision = "";
         if (mountIndex >= 0) {
             moduleNameAndRevision = identifier.substring(mountIndex + ControllerContext.MOUNT.length());
-        }
-        else {
+        } else {
             moduleNameAndRevision = identifier;
         }
 
         Splitter splitter = Splitter.on("/").omitEmptyStrings();
         Iterable<String> split = splitter.split(moduleNameAndRevision);
-        final List<String> pathArgs = Lists.<String>newArrayList(split);
+        final List<String> pathArgs = Lists.<String> newArrayList(split);
         if (pathArgs.size() < 2) {
             throw new RestconfDocumentedException(
-                    "URI has bad format. End of URI should be in format \'moduleName/yyyy-MM-dd\'",
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                    "URI has bad format. End of URI should be in format \'moduleName/yyyy-MM-dd\'", ErrorType.PROTOCOL,
+                    ErrorTag.INVALID_VALUE);
         }
 
         try {
-            final String moduleName = pathArgs.get( 0 );
+            final String moduleName = pathArgs.get(0);
             String revision = pathArgs.get(1);
             final Date moduleRevision = REVISION_FORMAT.parse(revision);
             return QName.create(null, moduleRevision, moduleName);
-        }
-        catch (ParseException e) {
-            throw new RestconfDocumentedException(
-                    "URI has bad format. It should be \'moduleName/yyyy-MM-dd\'",
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+        } catch (ParseException e) {
+            throw new RestconfDocumentedException("URI has bad format. It should be \'moduleName/yyyy-MM-dd\'",
+                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
     }
 
     private CompositeNode toStreamCompositeNode(final String streamName, final DataSchemaNode streamSchemaNode) {
         final List<Node<?>> streamNodeValues = new ArrayList<Node<?>>();
-        List<DataSchemaNode> instanceDataChildrenByName =
-                this.controllerContext.findInstanceDataChildrenByName(((DataNodeContainer) streamSchemaNode),
-                                                                       "name");
+        List<DataSchemaNode> instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
+                ((DataNodeContainer) streamSchemaNode), "name");
         final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        streamNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(nameSchemaNode.getQName(), null,
-                                                                           streamName));
+        streamNodeValues
+                .add(NodeFactory.<String> createImmutableSimpleNode(nameSchemaNode.getQName(), null, streamName));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                                 ((DataNodeContainer) streamSchemaNode), "description");
+                ((DataNodeContainer) streamSchemaNode), "description");
         final DataSchemaNode descriptionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        streamNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(descriptionSchemaNode.getQName(), null,
-                                                                           "DESCRIPTION_PLACEHOLDER"));
+        streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(descriptionSchemaNode.getQName(), null,
+                "DESCRIPTION_PLACEHOLDER"));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                               ((DataNodeContainer) streamSchemaNode), "replay-support");
+                ((DataNodeContainer) streamSchemaNode), "replay-support");
         final DataSchemaNode replaySupportSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        streamNodeValues.add(NodeFactory.<Boolean>createImmutableSimpleNode(replaySupportSchemaNode.getQName(), null,
-                                                                            Boolean.valueOf(true)));
+        streamNodeValues.add(NodeFactory.<Boolean> createImmutableSimpleNode(replaySupportSchemaNode.getQName(), null,
+                Boolean.valueOf(true)));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                           ((DataNodeContainer) streamSchemaNode), "replay-log-creation-time");
+                ((DataNodeContainer) streamSchemaNode), "replay-log-creation-time");
         final DataSchemaNode replayLogCreationTimeSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        streamNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(replayLogCreationTimeSchemaNode.getQName(),
-                                                                           null, ""));
+        streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(replayLogCreationTimeSchemaNode.getQName(),
+                null, ""));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                                        ((DataNodeContainer) streamSchemaNode), "events");
+                ((DataNodeContainer) streamSchemaNode), "events");
         final DataSchemaNode eventsSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        streamNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(eventsSchemaNode.getQName(),
-                                                                           null, ""));
+        streamNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(eventsSchemaNode.getQName(), null, ""));
 
         return NodeFactory.createImmutableCompositeNode(streamSchemaNode.getQName(), null, streamNodeValues);
     }
 
     private CompositeNode toModuleCompositeNode(final Module module, final DataSchemaNode moduleSchemaNode) {
         final List<Node<?>> moduleNodeValues = new ArrayList<Node<?>>();
-        List<DataSchemaNode> instanceDataChildrenByName =
-            this.controllerContext.findInstanceDataChildrenByName(((DataNodeContainer) moduleSchemaNode), "name");
+        List<DataSchemaNode> instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
+                ((DataNodeContainer) moduleSchemaNode), "name");
         final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        moduleNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(nameSchemaNode.getQName(),
-                                                                           null, module.getName()));
+        moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(nameSchemaNode.getQName(), null,
+                module.getName()));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                                          ((DataNodeContainer) moduleSchemaNode), "revision");
+                ((DataNodeContainer) moduleSchemaNode), "revision");
         final DataSchemaNode revisionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
         Date _revision = module.getRevision();
-        moduleNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(revisionSchemaNode.getQName(), null,
-                                                                           REVISION_FORMAT.format(_revision)));
+        moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(revisionSchemaNode.getQName(), null,
+                REVISION_FORMAT.format(_revision)));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                                        ((DataNodeContainer) moduleSchemaNode), "namespace");
+                ((DataNodeContainer) moduleSchemaNode), "namespace");
         final DataSchemaNode namespaceSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
-        moduleNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(namespaceSchemaNode.getQName(), null,
-                                                                           module.getNamespace().toString()));
+        moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(namespaceSchemaNode.getQName(), null,
+                module.getNamespace().toString()));
 
         instanceDataChildrenByName = this.controllerContext.findInstanceDataChildrenByName(
-                                                           ((DataNodeContainer) moduleSchemaNode), "feature");
+                ((DataNodeContainer) moduleSchemaNode), "feature");
         final DataSchemaNode featureSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
         for (final FeatureDefinition feature : module.getFeatures()) {
-            moduleNodeValues.add(NodeFactory.<String>createImmutableSimpleNode(featureSchemaNode.getQName(), null,
-                                                                               feature.getQName().getLocalName()));
+            moduleNodeValues.add(NodeFactory.<String> createImmutableSimpleNode(featureSchemaNode.getQName(), null,
+                    feature.getQName().getLocalName()));
         }
 
         return NodeFactory.createImmutableCompositeNode(moduleSchemaNode.getQName(), null, moduleNodeValues);
@@ -385,58 +391,50 @@ public class RestconfImpl implements RestconfService {
     }
 
     @Override
-    public StructuredData invokeRpc(final String identifier, final CompositeNode payload) {
+    public StructuredData invokeRpc(final String identifier, final CompositeNode payload, final UriInfo uriInfo) {
         final RpcExecutor rpc = this.resolveIdentifierInInvokeRpc(identifier);
         QName rpcName = rpc.getRpcDefinition().getQName();
         URI rpcNamespace = rpcName.getNamespace();
-        if (Objects.equal(rpcNamespace.toString(), SAL_REMOTE_NAMESPACE) &&
-            Objects.equal(rpcName.getLocalName(), SAL_REMOTE_RPC_SUBSRCIBE)) {
-            return invokeSalRemoteRpcSubscribeRPC(payload, rpc.getRpcDefinition());
+        if (Objects.equal(rpcNamespace.toString(), SAL_REMOTE_NAMESPACE)
+                && Objects.equal(rpcName.getLocalName(), SAL_REMOTE_RPC_SUBSRCIBE)) {
+            return invokeSalRemoteRpcSubscribeRPC(payload, rpc.getRpcDefinition(), parsePrettyPrintParameter(uriInfo));
         }
 
-        validateInput( rpc.getRpcDefinition().getInput(), payload );
+        validateInput(rpc.getRpcDefinition().getInput(), payload);
 
-        return callRpc(rpc, payload);
+        return callRpc(rpc, payload, parsePrettyPrintParameter(uriInfo));
     }
 
-    private void validateInput(DataSchemaNode inputSchema, CompositeNode payload) {
-        if( inputSchema != null && payload == null )
-        {
-            //expected a non null payload
-            throw new RestconfDocumentedException( "Input is required.",
-                                                   ErrorType.PROTOCOL,
-                                                   ErrorTag.MALFORMED_MESSAGE );
-        }
-        else if( inputSchema == null && payload != null )
-        {
-            //did not expect any input
-            throw new RestconfDocumentedException( "No input expected.",
-                                                   ErrorType.PROTOCOL,
-                                                   ErrorTag.MALFORMED_MESSAGE );
-        }
-        //else
-        //{
-            //TODO: Validate "mandatory" and "config" values here??? Or should those be
+    private void validateInput(final DataSchemaNode inputSchema, final CompositeNode payload) {
+        if (inputSchema != null && payload == null) {
+            // expected a non null payload
+            throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
+        } else if (inputSchema == null && payload != null) {
+            // did not expect any input
+            throw new RestconfDocumentedException("No input expected.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
+        }
+        // else
+        // {
+        // TODO: Validate "mandatory" and "config" values here??? Or should those be
         // validate in a more central location inside MD-SAL core.
-        //}
+        // }
     }
 
-    private StructuredData invokeSalRemoteRpcSubscribeRPC(final CompositeNode payload,
-                                                          final RpcDefinition rpc) {
+    private StructuredData invokeSalRemoteRpcSubscribeRPC(final CompositeNode payload, final RpcDefinition rpc,
+            final boolean prettyPrint) {
         final CompositeNode value = this.normalizeNode(payload, rpc.getInput(), null);
-        final SimpleNode<? extends Object> pathNode = value == null ? null :
-                               value.getFirstSimpleByName( QName.create(rpc.getQName(), "path") );
+        final SimpleNode<? extends Object> pathNode = value == null ? null : value.getFirstSimpleByName(QName.create(
+                rpc.getQName(), "path"));
         final Object pathValue = pathNode == null ? null : pathNode.getValue();
 
         if (!(pathValue instanceof InstanceIdentifier)) {
-            throw new RestconfDocumentedException(
-                    "Instance identifier was not normalized correctly.",
-                    ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED );
+            throw new RestconfDocumentedException("Instance identifier was not normalized correctly.",
+                    ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
         }
 
         final InstanceIdentifier pathIdentifier = ((InstanceIdentifier) pathValue);
         String streamName = null;
-        if (!Iterables.isEmpty(pathIdentifier.getPath())) {
+        if (!Iterables.isEmpty(pathIdentifier.getPathArguments())) {
             String fullRestconfIdentifier = this.controllerContext.toFullRestconfIdentifier(pathIdentifier);
             streamName = Notificator.createStreamNameFromUri(fullRestconfIdentifier);
         }
@@ -444,31 +442,30 @@ public class RestconfImpl implements RestconfService {
         if (Strings.isNullOrEmpty(streamName)) {
             throw new RestconfDocumentedException(
                     "Path is empty or contains data node which is not Container or List build-in type.",
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
-        final SimpleNode<String> streamNameNode = NodeFactory.<String>createImmutableSimpleNode(
-                             QName.create(rpc.getOutput().getQName(), "stream-name"), null, streamName);
+        final SimpleNode<String> streamNameNode = NodeFactory.<String> createImmutableSimpleNode(
+                QName.create(rpc.getOutput().getQName(), "stream-name"), null, streamName);
         final List<Node<?>> output = new ArrayList<Node<?>>();
         output.add(streamNameNode);
 
-        final MutableCompositeNode responseData = NodeFactory.createMutableCompositeNode(
-                                              rpc.getOutput().getQName(), null, output, null, null);
+        final MutableCompositeNode responseData = NodeFactory.createMutableCompositeNode(rpc.getOutput().getQName(),
+                null, output, null, null);
 
         if (!Notificator.existListenerFor(pathIdentifier)) {
             Notificator.createListener(pathIdentifier, streamName);
         }
 
-        return new StructuredData(responseData, rpc.getOutput(), null);
+        return new StructuredData(responseData, rpc.getOutput(), null, prettyPrint);
     }
 
     @Override
-    public StructuredData invokeRpc(final String identifier, final String noPayload) {
+    public StructuredData invokeRpc(final String identifier, final String noPayload, final UriInfo uriInfo) {
         if (StringUtils.isNotBlank(noPayload)) {
-            throw new RestconfDocumentedException(
-                    "Content must be empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            throw new RestconfDocumentedException("Content must be empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
-        return invokeRpc( identifier, (CompositeNode)null );
+        return invokeRpc(identifier, (CompositeNode) null, uriInfo);
     }
 
     private RpcExecutor resolveIdentifierInInvokeRpc(final String identifier) {
@@ -476,8 +473,7 @@ public class RestconfImpl implements RestconfService {
         MountInstance mountPoint = null;
         if (identifier.contains(ControllerContext.MOUNT)) {
             // mounted RPC call - look up mount instance.
-            InstanceIdWithSchemaNode mountPointId = controllerContext
-                    .toMountPointIdentifier(identifier);
+            InstanceIdWithSchemaNode mountPointId = controllerContext.toMountPointIdentifier(identifier);
             mountPoint = mountPointId.getMountPoint();
 
             int startOfRemoteRpcName = identifier.lastIndexOf(ControllerContext.MOUNT)
@@ -486,12 +482,9 @@ public class RestconfImpl implements RestconfService {
             identifierEncoded = remoteRpcName;
 
         } else if (identifier.indexOf("/") != CHAR_NOT_FOUND) {
-            final String slashErrorMsg = String
-                    .format("Identifier %n%s%ncan\'t contain slash "
-                            + "character (/).%nIf slash is part of identifier name then use %%2F placeholder.",
-                            identifier);
-            throw new RestconfDocumentedException(
-                    slashErrorMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            final String slashErrorMsg = String.format("Identifier %n%s%ncan\'t contain slash "
+                    + "character (/).%nIf slash is part of identifier name then use %%2F placeholder.", identifier);
+            throw new RestconfDocumentedException(slashErrorMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         } else {
             identifierEncoded = identifier;
         }
@@ -500,8 +493,7 @@ public class RestconfImpl implements RestconfService {
         RpcDefinition rpc = controllerContext.getRpcDefinition(identifierDecoded);
 
         if (rpc == null) {
-            throw new RestconfDocumentedException(
-                    "RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT );
+            throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
         }
 
         if (mountPoint == null) {
@@ -512,10 +504,9 @@ public class RestconfImpl implements RestconfService {
 
     }
 
-    private StructuredData callRpc(final RpcExecutor rpcExecutor, final CompositeNode payload) {
+    private StructuredData callRpc(final RpcExecutor rpcExecutor, final CompositeNode payload, boolean prettyPrint) {
         if (rpcExecutor == null) {
-            throw new RestconfDocumentedException(
-                    "RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT );
+            throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
         }
 
         CompositeNode rpcRequest = null;
@@ -538,108 +529,109 @@ public class RestconfImpl implements RestconfService {
             return null;
         }
 
-        if( rpc.getOutput() == null )
-        {
-            return null; //no output, nothing to send back.
+        if (rpc.getOutput() == null) {
+            return null; // no output, nothing to send back.
         }
 
-        return new StructuredData(rpcResult.getResult(), rpc.getOutput(), null);
+        return new StructuredData(rpcResult.getResult(), rpc.getOutput(), null, prettyPrint);
     }
 
-    private void checkRpcSuccessAndThrowException(RpcResult<CompositeNode> rpcResult) {
+    private void checkRpcSuccessAndThrowException(final RpcResult<CompositeNode> rpcResult) {
         if (rpcResult.isSuccessful() == false) {
 
             Collection<RpcError> rpcErrors = rpcResult.getErrors();
-            if( rpcErrors == null || rpcErrors.isEmpty() ) {
+            if (rpcErrors == null || rpcErrors.isEmpty()) {
                 throw new RestconfDocumentedException(
-                    "The operation was not successful and there were no RPC errors returned",
-                    ErrorType.RPC, ErrorTag.OPERATION_FAILED );
+                        "The operation was not successful and there were no RPC errors returned", ErrorType.RPC,
+                        ErrorTag.OPERATION_FAILED);
             }
 
             List<RestconfError> errorList = Lists.newArrayList();
-            for( RpcError rpcError: rpcErrors ) {
-                errorList.add( new RestconfError( rpcError ) );
+            for (RpcError rpcError : rpcErrors) {
+                errorList.add(new RestconfError(rpcError));
             }
 
-            throw new RestconfDocumentedException( errorList );
+            throw new RestconfDocumentedException(errorList);
         }
     }
 
     @Override
-    public StructuredData readConfigurationData(final String identifier, UriInfo info) {
+    public StructuredData readConfigurationData(final String identifier, final UriInfo uriInfo) {
         final InstanceIdWithSchemaNode iiWithData = this.controllerContext.toInstanceIdentifier(identifier);
         CompositeNode data = null;
         MountInstance mountPoint = iiWithData.getMountPoint();
         if (mountPoint != null) {
             data = broker.readConfigurationDataBehindMountPoint(mountPoint, iiWithData.getInstanceIdentifier());
-        }
-        else {
+        } else {
             data = broker.readConfigurationData(iiWithData.getInstanceIdentifier());
         }
 
-        data = pruneDataAtDepth( data, parseDepthParameter( info ) );
-        return new StructuredData(data, iiWithData.getSchemaNode(), iiWithData.getMountPoint());
+        data = pruneDataAtDepth(data, parseDepthParameter(uriInfo));
+        boolean prettyPrintMode = parsePrettyPrintParameter(uriInfo);
+        return new StructuredData(data, iiWithData.getSchemaNode(), iiWithData.getMountPoint(), prettyPrintMode);
     }
 
     @SuppressWarnings("unchecked")
-    private <T extends Node<?>> T pruneDataAtDepth( T node, Integer depth ) {
-        if( depth == null ) {
+    private <T extends Node<?>> T pruneDataAtDepth(final T node, final Integer depth) {
+        if (depth == null) {
             return node;
         }
 
-        if( node instanceof CompositeNode ) {
+        if (node instanceof CompositeNode) {
             ImmutableList.Builder<Node<?>> newChildNodes = ImmutableList.<Node<?>> builder();
-            if( depth > 1 ) {
-                for( Node<?> childNode: ((CompositeNode)node).getValue() ) {
-                    newChildNodes.add( pruneDataAtDepth( childNode, depth - 1 ) );
+            if (depth > 1) {
+                for (Node<?> childNode : ((CompositeNode) node).getValue()) {
+                    newChildNodes.add(pruneDataAtDepth(childNode, depth - 1));
                 }
             }
 
-            return (T) ImmutableCompositeNode.create( node.getNodeType(), newChildNodes.build() );
-        }
-        else { // SimpleNode
+            return (T) ImmutableCompositeNode.create(node.getNodeType(), newChildNodes.build());
+        } else { // SimpleNode
             return node;
         }
     }
 
-    private Integer parseDepthParameter( UriInfo info ) {
-        String param = info.getQueryParameters( false ).getFirst( "depth" );
-        if( Strings.isNullOrEmpty( param ) || "unbounded".equals( param ) ) {
+    private Integer parseDepthParameter(final UriInfo info) {
+        String param = info.getQueryParameters(false).getFirst(UriParameters.DEPTH.toString());
+        if (Strings.isNullOrEmpty(param) || "unbounded".equals(param)) {
             return null;
         }
 
         try {
-            Integer depth = Integer.valueOf( param );
-            if( depth < 1 ) {
-                throw new RestconfDocumentedException( new RestconfError(
-                        ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE, "Invalid depth parameter: " + depth,
-                        null, "The depth parameter must be an integer > 1 or \"unbounded\"" ) );
+            Integer depth = Integer.valueOf(param);
+            if (depth < 1) {
+                throw new RestconfDocumentedException(new RestconfError(ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
+                        "Invalid depth parameter: " + depth, null,
+                        "The depth parameter must be an integer > 1 or \"unbounded\""));
             }
 
             return depth;
-        }
-        catch( NumberFormatException e ) {
-            throw new RestconfDocumentedException( new RestconfError(
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
-                    "Invalid depth parameter: " + e.getMessage(),
-                    null, "The depth parameter must be an integer > 1 or \"unbounded\"" ) );
+        } catch (NumberFormatException e) {
+            throw new RestconfDocumentedException(new RestconfError(ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE,
+                    "Invalid depth parameter: " + e.getMessage(), null,
+                    "The depth parameter must be an integer > 1 or \"unbounded\""));
         }
     }
 
     @Override
-    public StructuredData readOperationalData(final String identifier, UriInfo info) {
+    public StructuredData readOperationalData(final String identifier, final UriInfo info) {
         final InstanceIdWithSchemaNode iiWithData = this.controllerContext.toInstanceIdentifier(identifier);
         CompositeNode data = null;
         MountInstance mountPoint = iiWithData.getMountPoint();
         if (mountPoint != null) {
             data = broker.readOperationalDataBehindMountPoint(mountPoint, iiWithData.getInstanceIdentifier());
-        }
-        else {
+        } else {
             data = broker.readOperationalData(iiWithData.getInstanceIdentifier());
         }
 
-        data = pruneDataAtDepth( data, parseDepthParameter( info ) );
-        return new StructuredData(data, iiWithData.getSchemaNode(), mountPoint);
+        data = pruneDataAtDepth(data, parseDepthParameter(info));
+        boolean prettyPrintMode = parsePrettyPrintParameter(info);
+        return new StructuredData(data, iiWithData.getSchemaNode(), mountPoint, prettyPrintMode);
+    }
+
+    private boolean parsePrettyPrintParameter(UriInfo info) {
+        String param = info.getQueryParameters(false).getFirst(UriParameters.PRETTY_PRINT.toString());
+        return Boolean.parseBoolean(param);
     }
 
     @Override
@@ -650,73 +642,114 @@ public class RestconfImpl implements RestconfService {
 
         MountInstance mountPoint = iiWithData.getMountPoint();
         final CompositeNode value = this.normalizeNode(payload, iiWithData.getSchemaNode(), mountPoint);
+        validateListKeysEqualityInPayloadAndUri(iiWithData, payload);
         RpcResult<TransactionStatus> status = null;
 
         try {
             if (mountPoint != null) {
-                status = broker.commitConfigurationDataPutBehindMountPoint(
-                                                mountPoint, iiWithData.getInstanceIdentifier(), value).get();
+                status = broker.commitConfigurationDataPutBehindMountPoint(mountPoint,
+                        iiWithData.getInstanceIdentifier(), value).get();
             } else {
                 status = broker.commitConfigurationDataPut(iiWithData.getInstanceIdentifier(), value).get();
             }
-        }
-        catch( Exception e ) {
-            throw new RestconfDocumentedException( "Error updating data", e );
+        } catch (Exception e) {
+            throw new RestconfDocumentedException("Error updating data", e);
         }
 
-        if( status.getResult() == TransactionStatus.COMMITED )
+        if (status.getResult() == TransactionStatus.COMMITED) {
             return Response.status(Status.OK).build();
+        }
 
         return Response.status(Status.INTERNAL_SERVER_ERROR).build();
     }
 
+    /**
+     * Validates whether keys in {@code payload} are equal to values of keys in {@code iiWithData} for list schema node
+     *
+     * @throws RestconfDocumentedException
+     *             if key values or key count in payload and URI isn't equal
+     *
+     */
+    private void validateListKeysEqualityInPayloadAndUri(final InstanceIdWithSchemaNode iiWithData,
+            final CompositeNode payload) {
+        if (iiWithData.getSchemaNode() instanceof ListSchemaNode) {
+            final List<QName> keyDefinitions = ((ListSchemaNode) iiWithData.getSchemaNode()).getKeyDefinition();
+            final PathArgument lastPathArgument = iiWithData.getInstanceIdentifier().getLastPathArgument();
+            if (lastPathArgument instanceof NodeIdentifierWithPredicates) {
+                final Map<QName, Object> uriKeyValues = ((NodeIdentifierWithPredicates) lastPathArgument)
+                        .getKeyValues();
+                isEqualUriAndPayloadKeyValues(uriKeyValues, payload, keyDefinitions);
+            }
+        }
+    }
+
+    private void isEqualUriAndPayloadKeyValues(final Map<QName, Object> uriKeyValues, final CompositeNode payload,
+            final List<QName> keyDefinitions) {
+        for (QName keyDefinition : keyDefinitions) {
+            final Object uriKeyValue = uriKeyValues.get(keyDefinition);
+            // should be caught during parsing URI to InstanceIdentifier
+            if (uriKeyValue == null) {
+                throw new RestconfDocumentedException("Missing key " + keyDefinition + " in URI.", ErrorType.PROTOCOL,
+                        ErrorTag.DATA_MISSING);
+            }
+            final List<SimpleNode<?>> payloadKeyValues = payload.getSimpleNodesByName(keyDefinition.getLocalName());
+            if (payloadKeyValues.isEmpty()) {
+                throw new RestconfDocumentedException("Missing key " + keyDefinition.getLocalName()
+                        + " in the message body.", ErrorType.PROTOCOL, ErrorTag.DATA_MISSING);
+            }
+
+            Object payloadKeyValue = payloadKeyValues.iterator().next().getValue();
+            if (!uriKeyValue.equals(payloadKeyValue)) {
+                throw new RestconfDocumentedException("The value '" + uriKeyValue + "' for key '"
+                        + keyDefinition.getLocalName() + "' specified in the URI doesn't match the value '"
+                        + payloadKeyValue + "' specified in the message body. ", ErrorType.PROTOCOL,
+                        ErrorTag.INVALID_VALUE);
+            }
+        }
+    }
+
     @Override
     public Response createConfigurationData(final String identifier, final CompositeNode payload) {
-        if( payload == null ) {
-            throw new RestconfDocumentedException( "Input is required.",
-                    ErrorType.PROTOCOL,
-                    ErrorTag.MALFORMED_MESSAGE );
+        if (payload == null) {
+            throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
         }
 
         URI payloadNS = this.namespace(payload);
         if (payloadNS == null) {
             throw new RestconfDocumentedException(
-                 "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
-                 ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE );
+                    "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
+                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
         }
 
         InstanceIdWithSchemaNode iiWithData = null;
         CompositeNode value = null;
         if (this.representsMountPointRootData(payload)) {
-             // payload represents mount point data and URI represents path to the mount point
+            // payload represents mount point data and URI represents path to the mount point
 
             if (this.endsWithMountPoint(identifier)) {
-                throw new RestconfDocumentedException(
-                        "URI has bad format. URI should be without \"" + ControllerContext.MOUNT +
-                        "\" for POST operation.",
-                        ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                throw new RestconfDocumentedException("URI has bad format. URI should be without \""
+                        + ControllerContext.MOUNT + "\" for POST operation.", ErrorType.PROTOCOL,
+                        ErrorTag.INVALID_VALUE);
             }
 
             final String completeIdentifier = this.addMountPointIdentifier(identifier);
             iiWithData = this.controllerContext.toInstanceIdentifier(completeIdentifier);
 
             value = this.normalizeNode(payload, iiWithData.getSchemaNode(), iiWithData.getMountPoint());
-        }
-        else {
-            final InstanceIdWithSchemaNode incompleteInstIdWithData =
-                                               this.controllerContext.toInstanceIdentifier(identifier);
+        } else {
+            final InstanceIdWithSchemaNode incompleteInstIdWithData = this.controllerContext
+                    .toInstanceIdentifier(identifier);
             final DataNodeContainer parentSchema = (DataNodeContainer) incompleteInstIdWithData.getSchemaNode();
             MountInstance mountPoint = incompleteInstIdWithData.getMountPoint();
             final Module module = this.findModule(mountPoint, payload);
             if (module == null) {
-                throw new RestconfDocumentedException(
-                        "Module was not found for \"" + payloadNS + "\"",
-                        ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT );
+                throw new RestconfDocumentedException("Module was not found for \"" + payloadNS + "\"",
+                        ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
             }
 
             String payloadName = this.getName(payload);
             final DataSchemaNode schemaNode = this.controllerContext.findInstanceDataChildByNameAndNamespace(
-                                                              parentSchema, payloadName, module.getNamespace());
+                    parentSchema, payloadName, module.getNamespace());
             value = this.normalizeNode(payload, schemaNode, mountPoint);
 
             iiWithData = this.addLastIdentifierFromData(incompleteInstIdWithData, value, schemaNode);
@@ -726,56 +759,52 @@ public class RestconfImpl implements RestconfService {
         MountInstance mountPoint = iiWithData.getMountPoint();
         try {
             if (mountPoint != null) {
-                Future<RpcResult<TransactionStatus>> future =
-                                          broker.commitConfigurationDataPostBehindMountPoint(
-                                                       mountPoint, iiWithData.getInstanceIdentifier(), value);
+                Future<RpcResult<TransactionStatus>> future = broker.commitConfigurationDataPostBehindMountPoint(
+                        mountPoint, iiWithData.getInstanceIdentifier(), value);
                 status = future == null ? null : future.get();
-            }
-            else {
-                Future<RpcResult<TransactionStatus>> future =
-                               broker.commitConfigurationDataPost(iiWithData.getInstanceIdentifier(), value);
+            } else {
+                Future<RpcResult<TransactionStatus>> future = broker.commitConfigurationDataPost(
+                        iiWithData.getInstanceIdentifier(), value);
                 status = future == null ? null : future.get();
             }
-        }
-        catch( Exception e ) {
-            throw new RestconfDocumentedException( "Error creating data", e );
+        } catch (Exception e) {
+            throw new RestconfDocumentedException("Error creating data", e);
         }
 
         if (status == null) {
             return Response.status(Status.ACCEPTED).build();
         }
 
-        if( status.getResult() == TransactionStatus.COMMITED )
+        if (status.getResult() == TransactionStatus.COMMITED) {
             return Response.status(Status.NO_CONTENT).build();
+        }
 
         return Response.status(Status.INTERNAL_SERVER_ERROR).build();
     }
 
     @Override
     public Response createConfigurationData(final CompositeNode payload) {
-        if( payload == null ) {
-            throw new RestconfDocumentedException( "Input is required.",
-                    ErrorType.PROTOCOL,
-                    ErrorTag.MALFORMED_MESSAGE );
+        if (payload == null) {
+            throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
         }
 
         URI payloadNS = this.namespace(payload);
         if (payloadNS == null) {
             throw new RestconfDocumentedException(
-                "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
-                ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE );
+                    "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
+                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
         }
 
         final Module module = this.findModule(null, payload);
         if (module == null) {
             throw new RestconfDocumentedException(
                     "Data has bad format. Root element node has incorrect namespace (XML format) or module name(JSON format)",
-                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE );
+                    ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
         }
 
         String payloadName = this.getName(payload);
-        final DataSchemaNode schemaNode = this.controllerContext.findInstanceDataChildByNameAndNamespace(
-                                                                   module, payloadName, module.getNamespace());
+        final DataSchemaNode schemaNode = this.controllerContext.findInstanceDataChildByNameAndNamespace(module,
+                payloadName, module.getNamespace());
         final CompositeNode value = this.normalizeNode(payload, schemaNode, null);
         final InstanceIdWithSchemaNode iiWithData = this.addLastIdentifierFromData(null, value, schemaNode);
         RpcResult<TransactionStatus> status = null;
@@ -783,27 +812,25 @@ public class RestconfImpl implements RestconfService {
 
         try {
             if (mountPoint != null) {
-                Future<RpcResult<TransactionStatus>> future =
-                                             broker.commitConfigurationDataPostBehindMountPoint(
-                                                          mountPoint, iiWithData.getInstanceIdentifier(), value);
+                Future<RpcResult<TransactionStatus>> future = broker.commitConfigurationDataPostBehindMountPoint(
+                        mountPoint, iiWithData.getInstanceIdentifier(), value);
                 status = future == null ? null : future.get();
-            }
-            else {
-                Future<RpcResult<TransactionStatus>> future =
-                                 broker.commitConfigurationDataPost(iiWithData.getInstanceIdentifier(), value);
+            } else {
+                Future<RpcResult<TransactionStatus>> future = broker.commitConfigurationDataPost(
+                        iiWithData.getInstanceIdentifier(), value);
                 status = future == null ? null : future.get();
             }
-        }
-        catch( Exception e ) {
-            throw new RestconfDocumentedException( "Error creating data", e );
+        } catch (Exception e) {
+            throw new RestconfDocumentedException("Error creating data", e);
         }
 
         if (status == null) {
             return Response.status(Status.ACCEPTED).build();
         }
 
-        if( status.getResult() == TransactionStatus.COMMITED )
+        if (status.getResult() == TransactionStatus.COMMITED) {
             return Response.status(Status.NO_CONTENT).build();
+        }
 
         return Response.status(Status.INTERNAL_SERVER_ERROR).build();
     }
@@ -816,19 +843,18 @@ public class RestconfImpl implements RestconfService {
 
         try {
             if (mountPoint != null) {
-                status = broker.commitConfigurationDataDeleteBehindMountPoint(
-                                        mountPoint, iiWithData.getInstanceIdentifier()).get();
-            }
-            else {
+                status = broker.commitConfigurationDataDeleteBehindMountPoint(mountPoint,
+                        iiWithData.getInstanceIdentifier()).get();
+            } else {
                 status = broker.commitConfigurationDataDelete(iiWithData.getInstanceIdentifier()).get();
             }
-        }
-        catch( Exception e ) {
-            throw new RestconfDocumentedException( "Error creating data", e );
+        } catch (Exception e) {
+            throw new RestconfDocumentedException("Error creating data", e);
         }
 
-        if( status.getResult() == TransactionStatus.COMMITED )
+        if (status.getResult() == TransactionStatus.COMMITED) {
             return Response.status(Status.OK).build();
+        }
 
         return Response.status(Status.INTERNAL_SERVER_ERROR).build();
     }
@@ -837,20 +863,18 @@ public class RestconfImpl implements RestconfService {
     public Response subscribeToStream(final String identifier, final UriInfo uriInfo) {
         final String streamName = Notificator.createStreamNameFromUri(identifier);
         if (Strings.isNullOrEmpty(streamName)) {
-            throw new RestconfDocumentedException(
-                    "Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
         final ListenerAdapter listener = Notificator.getListenerFor(streamName);
         if (listener == null) {
-            throw new RestconfDocumentedException(
-                    "Stream was not found.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT );
+            throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
         }
 
         broker.registerToListenDataChanges(listener);
 
         final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
-        UriBuilder port = uriBuilder.port(WebSocketServer.PORT);
+        UriBuilder port = uriBuilder.port(WebSocketServer.getInstance().getPort());
         final URI uriToWebsocketServer = port.replacePath(streamName).build();
 
         return Response.status(Status.OK).location(uriToWebsocketServer).build();
@@ -858,26 +882,23 @@ public class RestconfImpl implements RestconfService {
 
     private Module findModule(final MountInstance mountPoint, final CompositeNode data) {
         if (data instanceof CompositeNodeWrapper) {
-            return findModule(mountPoint, (CompositeNodeWrapper)data);
-        }
-        else if (data != null) {
+            return findModule(mountPoint, (CompositeNodeWrapper) data);
+        } else if (data != null) {
             URI namespace = data.getNodeType().getNamespace();
             if (mountPoint != null) {
                 return this.controllerContext.findModuleByNamespace(mountPoint, namespace);
-            }
-            else {
+            } else {
                 return this.controllerContext.findModuleByNamespace(namespace);
             }
-        }
-        else {
-            throw new IllegalArgumentException("Unhandled parameter types: " +
-                    Arrays.<Object>asList(mountPoint, data).toString());
+        } else {
+            throw new IllegalArgumentException("Unhandled parameter types: "
+                    + Arrays.<Object> asList(mountPoint, data).toString());
         }
     }
 
     private Module findModule(final MountInstance mountPoint, final CompositeNodeWrapper data) {
         URI namespace = data.getNamespace();
-        Preconditions.<URI>checkNotNull(namespace);
+        Preconditions.<URI> checkNotNull(namespace);
 
         Module module = null;
         if (mountPoint != null) {
@@ -885,8 +906,7 @@ public class RestconfImpl implements RestconfService {
             if (module == null) {
                 module = this.controllerContext.findModuleByName(mountPoint, namespace.toString());
             }
-        }
-        else {
+        } else {
             module = this.controllerContext.findModuleByNamespace(namespace);
             if (module == null) {
                 module = this.controllerContext.findModuleByName(namespace.toString());
@@ -896,9 +916,8 @@ public class RestconfImpl implements RestconfService {
         return module;
     }
 
-    private InstanceIdWithSchemaNode addLastIdentifierFromData(
-                                              final InstanceIdWithSchemaNode identifierWithSchemaNode,
-                                              final CompositeNode data, final DataSchemaNode schemaOfData) {
+    private InstanceIdWithSchemaNode addLastIdentifierFromData(final InstanceIdWithSchemaNode identifierWithSchemaNode,
+            final CompositeNode data, final DataSchemaNode schemaOfData) {
         InstanceIdentifier instanceIdentifier = null;
         if (identifierWithSchemaNode != null) {
             instanceIdentifier = identifierWithSchemaNode.getInstanceIdentifier();
@@ -908,31 +927,28 @@ public class RestconfImpl implements RestconfService {
         InstanceIdentifierBuilder iiBuilder = null;
         if (iiOriginal == null) {
             iiBuilder = InstanceIdentifier.builder();
-        }
-        else {
+        } else {
             iiBuilder = InstanceIdentifier.builder(iiOriginal);
         }
 
         if ((schemaOfData instanceof ListSchemaNode)) {
-            HashMap<QName,Object> keys = this.resolveKeysFromData(((ListSchemaNode) schemaOfData), data);
+            HashMap<QName, Object> keys = this.resolveKeysFromData(((ListSchemaNode) schemaOfData), data);
             iiBuilder.nodeWithKey(schemaOfData.getQName(), keys);
-        }
-        else {
+        } else {
             iiBuilder.node(schemaOfData.getQName());
         }
 
         InstanceIdentifier instance = iiBuilder.toInstance();
         MountInstance mountPoint = null;
         if (identifierWithSchemaNode != null) {
-            mountPoint=identifierWithSchemaNode.getMountPoint();
+            mountPoint = identifierWithSchemaNode.getMountPoint();
         }
 
         return new InstanceIdWithSchemaNode(instance, schemaOfData, mountPoint);
     }
 
-    private HashMap<QName,Object> resolveKeysFromData(final ListSchemaNode listNode,
-                                                      final CompositeNode dataNode) {
-        final HashMap<QName,Object> keyValues = new HashMap<QName, Object>();
+    private HashMap<QName, Object> resolveKeysFromData(final ListSchemaNode listNode, final CompositeNode dataNode) {
+        final HashMap<QName, Object> keyValues = new HashMap<QName, Object>();
         List<QName> _keyDefinition = listNode.getKeyDefinition();
         for (final QName key : _keyDefinition) {
             SimpleNode<? extends Object> head = null;
@@ -948,10 +964,9 @@ public class RestconfImpl implements RestconfService {
             }
 
             if (dataNodeKeyValueObject == null) {
-                throw new RestconfDocumentedException(
-                        "Data contains list \"" + dataNode.getNodeType().getLocalName() +
-                        "\" which does not contain key: \"" + key.getLocalName() + "\"",
-                        ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                throw new RestconfDocumentedException("Data contains list \"" + dataNode.getNodeType().getLocalName()
+                        + "\" which does not contain key: \"" + key.getLocalName() + "\"", ErrorType.PROTOCOL,
+                        ErrorTag.INVALID_VALUE);
             }
 
             keyValues.put(key, dataNodeKeyValueObject);
@@ -961,15 +976,16 @@ public class RestconfImpl implements RestconfService {
     }
 
     private boolean endsWithMountPoint(final String identifier) {
-        return identifier.endsWith(ControllerContext.MOUNT) ||
-               identifier.endsWith(ControllerContext.MOUNT + "/");
+        return identifier.endsWith(ControllerContext.MOUNT) || identifier.endsWith(ControllerContext.MOUNT + "/");
     }
 
     private boolean representsMountPointRootData(final CompositeNode data) {
         URI namespace = this.namespace(data);
-        return (SchemaContext.NAME.getNamespace().equals( namespace ) /* ||
-                MOUNT_POINT_MODULE_NAME.equals( namespace.toString() )*/ ) &&
-                SchemaContext.NAME.getLocalName().equals( this.localName(data) );
+        return (SchemaContext.NAME.getNamespace().equals(namespace) /*
+                                                                     * || MOUNT_POINT_MODULE_NAME .equals( namespace .
+                                                                     * toString( ) )
+                                                                     */)
+                && SchemaContext.NAME.getLocalName().equals(this.localName(data));
     }
 
     private String addMountPointIdentifier(final String identifier) {
@@ -982,20 +998,18 @@ public class RestconfImpl implements RestconfService {
     }
 
     private CompositeNode normalizeNode(final CompositeNode node, final DataSchemaNode schema,
-                                        final MountInstance mountPoint) {
+            final MountInstance mountPoint) {
         if (schema == null) {
             QName nodeType = node == null ? null : node.getNodeType();
             String localName = nodeType == null ? null : nodeType.getLocalName();
 
-            throw new RestconfDocumentedException(
-                    "Data schema node was not found for " + localName,
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            throw new RestconfDocumentedException("Data schema node was not found for " + localName,
+                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
         if (!(schema instanceof DataNodeContainer)) {
-            throw new RestconfDocumentedException(
-                    "Root element has to be container or list yang datatype.",
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            throw new RestconfDocumentedException("Root element has to be container or list yang datatype.",
+                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
         if ((node instanceof CompositeNodeWrapper)) {
@@ -1003,10 +1017,8 @@ public class RestconfImpl implements RestconfService {
             if (isChangeAllowed) {
                 try {
                     this.normalizeNode(((CompositeNodeWrapper) node), schema, null, mountPoint);
-                }
-                catch (IllegalArgumentException e) {
-                    throw new RestconfDocumentedException(
-                                    e.getMessage(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                } catch (IllegalArgumentException e) {
+                    throw new RestconfDocumentedException(e.getMessage(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
                 }
             }
 
@@ -1016,156 +1028,194 @@ public class RestconfImpl implements RestconfService {
         return node;
     }
 
-    private void normalizeNode(final NodeWrapper<? extends Object> nodeBuilder,
-                               final DataSchemaNode schema, final QName previousAugment,
-                               final MountInstance mountPoint) {
+    private void normalizeNode(final NodeWrapper<? extends Object> nodeBuilder, final DataSchemaNode schema,
+            final QName previousAugment, final MountInstance mountPoint) {
         if (schema == null) {
-            throw new RestconfDocumentedException(
-                    "Data has bad format.\n\"" + nodeBuilder.getLocalName() +
-                    "\" does not exist in yang schema.",
-                    ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+            throw new RestconfDocumentedException("Data has bad format.\n\"" + nodeBuilder.getLocalName()
+                    + "\" does not exist in yang schema.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
         }
 
         QName currentAugment = null;
         if (nodeBuilder.getQname() != null) {
             currentAugment = previousAugment;
-        }
-        else {
+        } else {
             currentAugment = this.normalizeNodeName(nodeBuilder, schema, previousAugment, mountPoint);
             if (nodeBuilder.getQname() == null) {
                 throw new RestconfDocumentedException(
-                        "Data has bad format.\nIf data is in XML format then namespace for \"" +
-                        nodeBuilder.getLocalName() +
-                        "\" should be \"" + schema.getQName().getNamespace() + "\".\n" +
-                        "If data is in JSON format then module name for \"" + nodeBuilder.getLocalName() +
-                         "\" should be corresponding to namespace \"" +
-                        schema.getQName().getNamespace() + "\".",
-                        ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+                        "Data has bad format.\nIf data is in XML format then namespace for \""
+                                + nodeBuilder.getLocalName() + "\" should be \"" + schema.getQName().getNamespace()
+                                + "\".\n" + "If data is in JSON format then module name for \""
+                                + nodeBuilder.getLocalName() + "\" should be corresponding to namespace \""
+                                + schema.getQName().getNamespace() + "\".", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
+            }
+        }
+
+        if (nodeBuilder instanceof CompositeNodeWrapper) {
+            if (schema instanceof DataNodeContainer) {
+                normalizeCompositeNode((CompositeNodeWrapper) nodeBuilder, (DataNodeContainer) schema, mountPoint,
+                        currentAugment);
+            } else if (schema instanceof AnyXmlSchemaNode) {
+                normalizeAnyXmlNode((CompositeNodeWrapper) nodeBuilder, (AnyXmlSchemaNode) schema);
             }
+        } else if (nodeBuilder instanceof SimpleNodeWrapper) {
+            normalizeSimpleNode((SimpleNodeWrapper) nodeBuilder, schema, mountPoint);
+        } else if ((nodeBuilder instanceof EmptyNodeWrapper)) {
+            normalizeEmptyNode((EmptyNodeWrapper) nodeBuilder, schema);
         }
+    }
 
-        if ((nodeBuilder instanceof CompositeNodeWrapper)) {
-            final List<NodeWrapper<?>> children = ((CompositeNodeWrapper) nodeBuilder).getValues();
-            for (final NodeWrapper<? extends Object> child : children) {
-                final List<DataSchemaNode> potentialSchemaNodes =
-                        this.controllerContext.findInstanceDataChildrenByName(
-                                             ((DataNodeContainer) schema), child.getLocalName());
+    private void normalizeAnyXmlNode(final CompositeNodeWrapper compositeNode, final AnyXmlSchemaNode schema) {
+        List<NodeWrapper<?>> children = compositeNode.getValues();
+        for (NodeWrapper<? extends Object> child : children) {
+            child.setNamespace(schema.getQName().getNamespace());
+            if (child instanceof CompositeNodeWrapper) {
+                normalizeAnyXmlNode((CompositeNodeWrapper) child, schema);
+            }
+        }
+    }
 
-                if (potentialSchemaNodes.size() > 1 && child.getNamespace() == null) {
-                    StringBuilder builder = new StringBuilder();
-                    for (final DataSchemaNode potentialSchemaNode : potentialSchemaNodes) {
-                        builder.append("   ").append(potentialSchemaNode.getQName().getNamespace().toString())
-                               .append("\n");
-                    }
+    private void normalizeEmptyNode(final EmptyNodeWrapper emptyNodeBuilder, final DataSchemaNode schema) {
+        if ((schema instanceof LeafSchemaNode)) {
+            emptyNodeBuilder.setComposite(false);
+        } else {
+            if ((schema instanceof ContainerSchemaNode)) {
+                // FIXME: Add presence check
+                emptyNodeBuilder.setComposite(true);
+            }
+        }
+    }
 
-                    throw new RestconfDocumentedException(
-                                 "Node \"" + child.getLocalName() +
-                                 "\" is added as augment from more than one module. " +
-                                 "Therefore node must have namespace (XML format) or module name (JSON format)." +
-                                 "\nThe node is added as augment from modules with namespaces:\n" + builder,
-                                 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
-                }
+    private void normalizeSimpleNode(final SimpleNodeWrapper simpleNode, final DataSchemaNode schema,
+            final MountInstance mountPoint) {
+        final Object value = simpleNode.getValue();
+        Object inputValue = value;
+        TypeDefinition<? extends Object> typeDefinition = this.typeDefinition(schema);
+        if ((typeDefinition instanceof IdentityrefTypeDefinition)) {
+            if ((value instanceof String)) {
+                inputValue = new IdentityValuesDTO(simpleNode.getNamespace().toString(), (String) value, null,
+                        (String) value);
+            } // else value is already instance of IdentityValuesDTO
+        }
 
-                boolean rightNodeSchemaFound = false;
+        Object outputValue = inputValue;
+
+        if (typeDefinition != null) {
+            Codec<Object, Object> codec = RestCodec.from(typeDefinition, mountPoint);
+            outputValue = codec == null ? null : codec.deserialize(inputValue);
+        }
+
+        simpleNode.setValue(outputValue);
+    }
+
+    private void normalizeCompositeNode(final CompositeNodeWrapper compositeNodeBuilder,
+            final DataNodeContainer schema, final MountInstance mountPoint, final QName currentAugment) {
+        final List<NodeWrapper<?>> children = compositeNodeBuilder.getValues();
+        checkNodeMultiplicityAccordingToSchema(schema, children);
+        for (final NodeWrapper<? extends Object> child : children) {
+            final List<DataSchemaNode> potentialSchemaNodes = this.controllerContext.findInstanceDataChildrenByName(
+                    schema, child.getLocalName());
+
+            if (potentialSchemaNodes.size() > 1 && child.getNamespace() == null) {
+                StringBuilder builder = new StringBuilder();
                 for (final DataSchemaNode potentialSchemaNode : potentialSchemaNodes) {
-                    if (!rightNodeSchemaFound) {
-                        final QName potentialCurrentAugment =
-                                this.normalizeNodeName(child, potentialSchemaNode, currentAugment, mountPoint);
-                        if (child.getQname() != null ) {
-                            this.normalizeNode(child, potentialSchemaNode, potentialCurrentAugment, mountPoint);
-                            rightNodeSchemaFound = true;
-                        }
-                    }
+                    builder.append("   ").append(potentialSchemaNode.getQName().getNamespace().toString()).append("\n");
                 }
 
+                throw new RestconfDocumentedException("Node \"" + child.getLocalName()
+                        + "\" is added as augment from more than one module. "
+                        + "Therefore node must have namespace (XML format) or module name (JSON format)."
+                        + "\nThe node is added as augment from modules with namespaces:\n" + builder,
+                        ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
+            }
+
+            boolean rightNodeSchemaFound = false;
+            for (final DataSchemaNode potentialSchemaNode : potentialSchemaNodes) {
                 if (!rightNodeSchemaFound) {
-                    throw new RestconfDocumentedException(
-                               "Schema node \"" + child.getLocalName() + "\" was not found in module.",
-                               ErrorType.APPLICATION, ErrorTag.UNKNOWN_ELEMENT );
+                    final QName potentialCurrentAugment = this.normalizeNodeName(child, potentialSchemaNode,
+                            currentAugment, mountPoint);
+                    if (child.getQname() != null) {
+                        this.normalizeNode(child, potentialSchemaNode, potentialCurrentAugment, mountPoint);
+                        rightNodeSchemaFound = true;
+                    }
                 }
             }
 
-            if ((schema instanceof ListSchemaNode)) {
-                final List<QName> listKeys = ((ListSchemaNode) schema).getKeyDefinition();
-                for (final QName listKey : listKeys) {
-                    boolean foundKey = false;
-                    for (final NodeWrapper<? extends Object> child : children) {
-                        if (Objects.equal(child.unwrap().getNodeType().getLocalName(), listKey.getLocalName())) {
-                            foundKey = true;
-                        }
-                    }
+            if (!rightNodeSchemaFound) {
+                throw new RestconfDocumentedException("Schema node \"" + child.getLocalName()
+                        + "\" was not found in module.", ErrorType.APPLICATION, ErrorTag.UNKNOWN_ELEMENT);
+            }
+        }
 
-                    if (!foundKey) {
-                        throw new RestconfDocumentedException(
-                                       "Missing key in URI \"" + listKey.getLocalName() +
-                                       "\" of list \"" + schema.getQName().getLocalName() + "\"",
-                                       ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE );
+        if ((schema instanceof ListSchemaNode)) {
+            ListSchemaNode listSchemaNode = (ListSchemaNode) schema;
+            final List<QName> listKeys = listSchemaNode.getKeyDefinition();
+            for (final QName listKey : listKeys) {
+                boolean foundKey = false;
+                for (final NodeWrapper<? extends Object> child : children) {
+                    if (Objects.equal(child.unwrap().getNodeType().getLocalName(), listKey.getLocalName())) {
+                        foundKey = true;
                     }
                 }
+
+                if (!foundKey) {
+                    throw new RestconfDocumentedException("Missing key in URI \"" + listKey.getLocalName()
+                            + "\" of list \"" + listSchemaNode.getQName().getLocalName() + "\"", ErrorType.PROTOCOL,
+                            ErrorTag.DATA_MISSING);
+                }
             }
         }
-        else {
-            if ((nodeBuilder instanceof SimpleNodeWrapper)) {
-                final SimpleNodeWrapper simpleNode = ((SimpleNodeWrapper) nodeBuilder);
-                final Object value = simpleNode.getValue();
-                Object inputValue = value;
-                TypeDefinition<? extends Object> typeDefinition = this.typeDefinition(schema);
-                if ((typeDefinition instanceof IdentityrefTypeDefinition)) {
-                    if ((value instanceof String)) {
-                        inputValue = new IdentityValuesDTO( nodeBuilder.getNamespace().toString(),
-                                                            (String) value, null, (String) value );
-                    } // else value is already instance of IdentityValuesDTO
-                }
-
-                Codec<Object,Object> codec = RestCodec.from(typeDefinition, mountPoint);
-                Object outputValue = codec == null ? null : codec.deserialize(inputValue);
+    }
 
-                simpleNode.setValue(outputValue);
-            }
-            else {
-                if ((nodeBuilder instanceof EmptyNodeWrapper)) {
-                    final EmptyNodeWrapper emptyNodeBuilder = ((EmptyNodeWrapper) nodeBuilder);
-                    if ((schema instanceof LeafSchemaNode)) {
-                        emptyNodeBuilder.setComposite(false);
-                    }
-                    else {
-                        if ((schema instanceof ContainerSchemaNode)) {
-                            // FIXME: Add presence check
-                            emptyNodeBuilder.setComposite(true);
-                        }
-                    }
+    private void checkNodeMultiplicityAccordingToSchema(final DataNodeContainer dataNodeContainer,
+            final List<NodeWrapper<?>> nodes) {
+        Map<String, Integer> equalNodeNamesToCounts = new HashMap<String, Integer>();
+        for (NodeWrapper<?> child : nodes) {
+            Integer count = equalNodeNamesToCounts.get(child.getLocalName());
+            equalNodeNamesToCounts.put(child.getLocalName(), count == null ? 1 : ++count);
+        }
+
+        for (DataSchemaNode childSchemaNode : dataNodeContainer.getChildNodes()) {
+            if (childSchemaNode instanceof ContainerSchemaNode || childSchemaNode instanceof LeafSchemaNode) {
+                String localName = childSchemaNode.getQName().getLocalName();
+                Integer count = equalNodeNamesToCounts.get(localName);
+                if (count != null && count > 1) {
+                    throw new RestconfDocumentedException("Multiple input data elements were specified for '"
+                            + childSchemaNode.getQName().getLocalName()
+                            + "'. The data for this element type can only be specified once.", ErrorType.APPLICATION,
+                            ErrorTag.BAD_ELEMENT);
                 }
             }
         }
     }
 
-    private QName normalizeNodeName(final NodeWrapper<? extends Object> nodeBuilder,
-                                    final DataSchemaNode schema, final QName previousAugment,
-                                    final MountInstance mountPoint) {
+    private QName normalizeNodeName(final NodeWrapper<? extends Object> nodeBuilder, final DataSchemaNode schema,
+            final QName previousAugment, final MountInstance mountPoint) {
         QName validQName = schema.getQName();
         QName currentAugment = previousAugment;
         if (schema.isAugmenting()) {
             currentAugment = schema.getQName();
-        }
-        else if (previousAugment != null &&
-                 !Objects.equal( schema.getQName().getNamespace(), previousAugment.getNamespace())) {
+        } else if (previousAugment != null
+                && !Objects.equal(schema.getQName().getNamespace(), previousAugment.getNamespace())) {
             validQName = QName.create(currentAugment, schema.getQName().getLocalName());
         }
 
         String moduleName = null;
         if (mountPoint == null) {
             moduleName = controllerContext.findModuleNameByNamespace(validQName.getNamespace());
-        }
-        else {
+        } else {
             moduleName = controllerContext.findModuleNameByNamespace(mountPoint, validQName.getNamespace());
         }
 
-        if (nodeBuilder.getNamespace() == null ||
-            Objects.equal(nodeBuilder.getNamespace(), validQName.getNamespace()) ||
-            Objects.equal(nodeBuilder.getNamespace().toString(), moduleName) /*||
-            Note: this check is wrong - can never be true as it compares a URI with a String
-                  not sure what the intention is so commented out...
-            Objects.equal(nodeBuilder.getNamespace(), MOUNT_POINT_MODULE_NAME)*/ ) {
+        if (nodeBuilder.getNamespace() == null || Objects.equal(nodeBuilder.getNamespace(), validQName.getNamespace())
+                || Objects.equal(nodeBuilder.getNamespace().toString(), moduleName) /*
+                                                                                     * || Note : this check is wrong -
+                                                                                     * can never be true as it compares
+                                                                                     * a URI with a String not sure what
+                                                                                     * the intention is so commented out
+                                                                                     * ... Objects . equal ( nodeBuilder
+                                                                                     * . getNamespace ( ) ,
+                                                                                     * MOUNT_POINT_MODULE_NAME )
+                                                                                     */) {
 
             nodeBuilder.setQname(validQName);
         }
@@ -1175,40 +1225,31 @@ public class RestconfImpl implements RestconfService {
 
     private URI namespace(final CompositeNode data) {
         if (data instanceof CompositeNodeWrapper) {
-            return ((CompositeNodeWrapper)data).getNamespace();
-        }
-        else if (data != null) {
+            return ((CompositeNodeWrapper) data).getNamespace();
+        } else if (data != null) {
             return data.getNodeType().getNamespace();
-        }
-        else {
-            throw new IllegalArgumentException("Unhandled parameter types: " +
-                    Arrays.<Object>asList(data).toString());
+        } else {
+            throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
         }
     }
 
     private String localName(final CompositeNode data) {
         if (data instanceof CompositeNodeWrapper) {
-            return ((CompositeNodeWrapper)data).getLocalName();
-        }
-        else if (data != null) {
+            return ((CompositeNodeWrapper) data).getLocalName();
+        } else if (data != null) {
             return data.getNodeType().getLocalName();
-        }
-        else {
-            throw new IllegalArgumentException("Unhandled parameter types: " +
-                    Arrays.<Object>asList(data).toString());
+        } else {
+            throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
         }
     }
 
     private String getName(final CompositeNode data) {
         if (data instanceof CompositeNodeWrapper) {
-            return ((CompositeNodeWrapper)data).getLocalName();
-        }
-        else if (data != null) {
+            return ((CompositeNodeWrapper) data).getLocalName();
+        } else if (data != null) {
             return data.getNodeType().getLocalName();
-        }
-        else {
-            throw new IllegalArgumentException("Unhandled parameter types: " +
-                    Arrays.<Object>asList(data).toString());
+        } else {
+            throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(data).toString());
         }
     }
 
@@ -1232,14 +1273,13 @@ public class RestconfImpl implements RestconfService {
 
     private TypeDefinition<? extends Object> typeDefinition(final DataSchemaNode node) {
         if (node instanceof LeafListSchemaNode) {
-            return typeDefinition((LeafListSchemaNode)node);
-        }
-        else if (node instanceof LeafSchemaNode) {
-            return _typeDefinition((LeafSchemaNode)node);
-        }
-        else {
-            throw new IllegalArgumentException("Unhandled parameter types: " +
-                    Arrays.<Object>asList(node).toString());
+            return typeDefinition((LeafListSchemaNode) node);
+        } else if (node instanceof LeafSchemaNode) {
+            return _typeDefinition((LeafSchemaNode) node);
+        } else if (node instanceof AnyXmlSchemaNode) {
+            return null;
+        } else {
+            throw new IllegalArgumentException("Unhandled parameter types: " + Arrays.<Object> asList(node).toString());
         }
     }
 }