+++ /dev/null
-/**
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * 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.controller.sal.restconf.impl;
-
-import com.google.common.base.Function;
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Predicate;
-import com.google.common.base.Splitter;
-import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.collect.Iterables;
-import java.io.UnsupportedEncodingException;
-import java.net.URI;
-import java.net.URLDecoder;
-import java.net.URLEncoder;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.concurrent.atomic.AtomicReference;
-import javax.ws.rs.core.Response.Status;
-import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
-import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
-import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
-import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
-import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
-import org.opendaylight.controller.sal.rest.api.Draft02;
-import org.opendaylight.controller.sal.rest.impl.RestUtil;
-import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorTag;
-import org.opendaylight.controller.sal.restconf.impl.RestconfError.ErrorType;
-import org.opendaylight.yangtools.concepts.Codec;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.InstanceIdentifierBuilder;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.GroupingDefinition;
-import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ControllerContext implements SchemaContextListener {
- private final static Logger LOG = LoggerFactory.getLogger(ControllerContext.class);
-
- private final static ControllerContext INSTANCE = new ControllerContext();
-
- private final static String NULL_VALUE = "null";
-
- private final static String MOUNT_MODULE = "yang-ext";
-
- private final static String MOUNT_NODE = "mount";
-
- public final static String MOUNT = "yang-ext:mount";
-
- private final static String URI_ENCODING_CHAR_SET = "ISO-8859-1";
-
- private static final Splitter SLASH_SPLITTER = Splitter.on('/');
-
- private static final YangInstanceIdentifier ROOT = YangInstanceIdentifier.builder().build();
-
- private final AtomicReference<Map<QName, RpcDefinition>> qnameToRpc =
- new AtomicReference<>(Collections.<QName, RpcDefinition>emptyMap());
-
- private volatile SchemaContext globalSchema;
- private volatile DOMMountPointService mountService;
-
- private DataNormalizer dataNormalizer;
-
- public void setGlobalSchema(final SchemaContext globalSchema) {
- this.globalSchema = globalSchema;
- dataNormalizer = new DataNormalizer(globalSchema);
- }
-
- public void setMountService(final DOMMountPointService mountService) {
- this.mountService = mountService;
- }
-
- private ControllerContext() {
- }
-
- public static ControllerContext getInstance() {
- return ControllerContext.INSTANCE;
- }
-
- private void checkPreconditions() {
- if (globalSchema == null) {
- throw new RestconfDocumentedException(Status.SERVICE_UNAVAILABLE);
- }
- }
-
- public void setSchemas(final SchemaContext schemas) {
- onGlobalContextUpdated(schemas);
- }
-
- public InstanceIdentifierContext<?> toInstanceIdentifier(final String restconfInstance) {
- return toIdentifier(restconfInstance, false);
- }
-
- public SchemaContext getGlobalSchema() {
- return globalSchema;
- }
-
- public InstanceIdentifierContext<?> toMountPointIdentifier(final String restconfInstance) {
- return toIdentifier(restconfInstance, true);
- }
-
- private InstanceIdentifierContext<?> toIdentifier(final String restconfInstance, final boolean toMountPointIdentifier) {
- checkPreconditions();
-
- if(restconfInstance == null) {
- return new InstanceIdentifierContext<>(ROOT, globalSchema, null, globalSchema);
- }
-
- final List<String> pathArgs = urlPathArgsDecode(SLASH_SPLITTER.split(restconfInstance));
- omitFirstAndLastEmptyString(pathArgs);
- if (pathArgs.isEmpty()) {
- return null;
- }
-
- final String first = pathArgs.iterator().next();
- final String startModule = ControllerContext.toModuleName(first);
- if (startModule == null) {
- throw new RestconfDocumentedException("First node in URI has to be in format \"moduleName:nodeName\"",
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- final InstanceIdentifierBuilder builder = YangInstanceIdentifier.builder();
- final Module latestModule = globalSchema.findModuleByName(startModule, null);
-
- if (latestModule == null) {
- throw new RestconfDocumentedException("The module named '" + startModule + "' does not exist.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
- }
-
- final InstanceIdentifierContext<?> iiWithSchemaNode = collectPathArguments(builder, pathArgs, latestModule, null,
- toMountPointIdentifier);
-
- if (iiWithSchemaNode == null) {
- throw new RestconfDocumentedException("URI has bad format", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- return iiWithSchemaNode;
- }
-
- private static List<String> omitFirstAndLastEmptyString(final List<String> list) {
- if (list.isEmpty()) {
- return list;
- }
-
- final String head = list.iterator().next();
- if (head.isEmpty()) {
- list.remove(0);
- }
-
- if (list.isEmpty()) {
- return list;
- }
-
- final String last = list.get(list.size() - 1);
- if (last.isEmpty()) {
- list.remove(list.size() - 1);
- }
-
- return list;
- }
- public Module findModuleByName(final String moduleName) {
- checkPreconditions();
- Preconditions.checkArgument(moduleName != null && !moduleName.isEmpty());
- return globalSchema.findModuleByName(moduleName, null);
- }
-
- public Module findModuleByName(final DOMMountPoint mountPoint, final String moduleName) {
- Preconditions.checkArgument(moduleName != null && mountPoint != null);
-
- final SchemaContext mountPointSchema = mountPoint.getSchemaContext();
- if (mountPointSchema == null) {
- return null;
- }
-
- return mountPointSchema.findModuleByName(moduleName, null);
- }
-
- public Module findModuleByNamespace(final URI namespace) {
- checkPreconditions();
- Preconditions.checkArgument(namespace != null);
- return globalSchema.findModuleByNamespaceAndRevision(namespace, null);
- }
-
- public Module findModuleByNamespace(final DOMMountPoint mountPoint, final URI namespace) {
- Preconditions.checkArgument(namespace != null && mountPoint != null);
-
- final SchemaContext mountPointSchema = mountPoint.getSchemaContext();
- if (mountPointSchema == null) {
- return null;
- }
-
- return mountPointSchema.findModuleByNamespaceAndRevision(namespace, null);
- }
-
- public Module findModuleByNameAndRevision(final QName module) {
- checkPreconditions();
- Preconditions.checkArgument(module != null && module.getLocalName() != null && module.getRevision() != null);
-
- return globalSchema.findModuleByName(module.getLocalName(), module.getRevision());
- }
-
- public Module findModuleByNameAndRevision(final DOMMountPoint mountPoint, final QName module) {
- checkPreconditions();
- Preconditions.checkArgument(module != null && module.getLocalName() != null && module.getRevision() != null
- && mountPoint != null);
-
- final SchemaContext schemaContext = mountPoint.getSchemaContext();
- return schemaContext == null ? null : schemaContext.findModuleByName(module.getLocalName(),
- module.getRevision());
- }
-
- public DataNodeContainer getDataNodeContainerFor(final YangInstanceIdentifier path) {
- checkPreconditions();
-
- final Iterable<PathArgument> elements = path.getPathArguments();
- final PathArgument head = elements.iterator().next();
- final QName startQName = head.getNodeType();
- final Module initialModule = globalSchema.findModuleByNamespaceAndRevision(startQName.getNamespace(),
- startQName.getRevision());
- DataNodeContainer node = initialModule;
- for (final PathArgument element : elements) {
- final QName _nodeType = element.getNodeType();
- final DataSchemaNode potentialNode = ControllerContext.childByQName(node, _nodeType);
- if (potentialNode == null || !ControllerContext.isListOrContainer(potentialNode)) {
- return null;
- }
- node = (DataNodeContainer) potentialNode;
- }
-
- return node;
- }
-
- public String toFullRestconfIdentifier(final YangInstanceIdentifier path, final DOMMountPoint mount) {
- checkPreconditions();
-
- final Iterable<PathArgument> elements = path.getPathArguments();
- final StringBuilder builder = new StringBuilder();
- final PathArgument head = elements.iterator().next();
- final QName startQName = head.getNodeType();
- final SchemaContext schemaContext;
- if (mount != null) {
- schemaContext = mount.getSchemaContext();
- } else {
- schemaContext = globalSchema;
- }
- final Module initialModule = schemaContext.findModuleByNamespaceAndRevision(startQName.getNamespace(),
- startQName.getRevision());
- DataNodeContainer node = initialModule;
- for (final PathArgument element : elements) {
- if (!(element instanceof AugmentationIdentifier)) {
- final QName _nodeType = element.getNodeType();
- final DataSchemaNode potentialNode = ControllerContext.childByQName(node, _nodeType);
- if (!(element instanceof NodeIdentifier && potentialNode instanceof ListSchemaNode) &&
- !(potentialNode instanceof ChoiceSchemaNode)) {
- builder.append(convertToRestconfIdentifier(element, potentialNode, mount));
- if (potentialNode instanceof DataNodeContainer) {
- node = (DataNodeContainer) potentialNode;
- }
- }
- }
- }
-
- return builder.toString();
- }
-
- public String findModuleNameByNamespace(final URI namespace) {
- checkPreconditions();
-
- final Module module = this.findModuleByNamespace(namespace);
- return module == null ? null : module.getName();
- }
-
- public String findModuleNameByNamespace(final DOMMountPoint mountPoint, final URI namespace) {
- final Module module = this.findModuleByNamespace(mountPoint, namespace);
- return module == null ? null : module.getName();
- }
-
- public URI findNamespaceByModuleName(final String moduleName) {
- final Module module = this.findModuleByName(moduleName);
- return module == null ? null : module.getNamespace();
- }
-
- public URI findNamespaceByModuleName(final DOMMountPoint mountPoint, final String moduleName) {
- final Module module = this.findModuleByName(mountPoint, moduleName);
- return module == null ? null : module.getNamespace();
- }
-
- public Set<Module> getAllModules(final DOMMountPoint mountPoint) {
- checkPreconditions();
-
- final SchemaContext schemaContext = mountPoint == null ? null : mountPoint.getSchemaContext();
- return schemaContext == null ? null : schemaContext.getModules();
- }
-
- public Set<Module> getAllModules() {
- checkPreconditions();
- return globalSchema.getModules();
- }
-
- private static final CharSequence toRestconfIdentifier(final SchemaContext context, final QName qname) {
- final Module schema = context.findModuleByNamespaceAndRevision(qname.getNamespace(), qname.getRevision());
- return schema == null ? null : schema.getName() + ':' + qname.getLocalName();
- }
-
- public CharSequence toRestconfIdentifier(final QName qname, final DOMMountPoint mount) {
- final SchemaContext schema;
- if (mount != null) {
- schema = mount.getSchemaContext();
- } else {
- checkPreconditions();
- schema = globalSchema;
- }
-
- return toRestconfIdentifier(schema, qname);
- }
-
- public CharSequence toRestconfIdentifier(final QName qname) {
- checkPreconditions();
-
- return toRestconfIdentifier(globalSchema, qname);
- }
-
- public CharSequence toRestconfIdentifier(final DOMMountPoint mountPoint, final QName qname) {
- if (mountPoint == null) {
- return null;
- }
-
- return toRestconfIdentifier(mountPoint.getSchemaContext(), qname);
- }
-
- public Module getRestconfModule() {
- return findModuleByNameAndRevision(Draft02.RestConfModule.IETF_RESTCONF_QNAME);
- }
-
- private static final Predicate<GroupingDefinition> ERRORS_GROUPING_FILTER = new Predicate<GroupingDefinition>() {
- @Override
- public boolean apply(final GroupingDefinition g) {
- return Draft02.RestConfModule.ERRORS_GROUPING_SCHEMA_NODE.equals(g.getQName().getLocalName());
- }
- };
-
- public DataSchemaNode getRestconfModuleErrorsSchemaNode() {
- final Module restconfModule = getRestconfModule();
- if (restconfModule == null) {
- return null;
- }
-
- final Set<GroupingDefinition> groupings = restconfModule.getGroupings();
-
- final Iterable<GroupingDefinition> filteredGroups = Iterables.filter(groupings, ERRORS_GROUPING_FILTER);
-
- final GroupingDefinition restconfGrouping = Iterables.getFirst(filteredGroups, null);
-
- final List<DataSchemaNode> instanceDataChildrenByName = findInstanceDataChildrenByName(restconfGrouping,
- Draft02.RestConfModule.ERRORS_CONTAINER_SCHEMA_NODE);
- return Iterables.getFirst(instanceDataChildrenByName, null);
- }
-
- private static final Predicate<GroupingDefinition> GROUPING_FILTER = new Predicate<GroupingDefinition>() {
- @Override
- public boolean apply(final GroupingDefinition g) {
- return Draft02.RestConfModule.RESTCONF_GROUPING_SCHEMA_NODE.equals(g.getQName().getLocalName());
- }
- };
-
- public DataSchemaNode getRestconfModuleRestConfSchemaNode(final Module inRestconfModule, final String schemaNodeName) {
- Module restconfModule = inRestconfModule;
- if (restconfModule == null) {
- restconfModule = getRestconfModule();
- }
-
- if (restconfModule == null) {
- return null;
- }
-
- final Set<GroupingDefinition> groupings = restconfModule.getGroupings();
- final Iterable<GroupingDefinition> filteredGroups = Iterables.filter(groupings, GROUPING_FILTER);
- final GroupingDefinition restconfGrouping = Iterables.getFirst(filteredGroups, null);
-
- final List<DataSchemaNode> instanceDataChildrenByName = findInstanceDataChildrenByName(restconfGrouping,
- Draft02.RestConfModule.RESTCONF_CONTAINER_SCHEMA_NODE);
- final DataSchemaNode restconfContainer = Iterables.getFirst(instanceDataChildrenByName, null);
-
- if (Objects.equal(schemaNodeName, Draft02.RestConfModule.OPERATIONS_CONTAINER_SCHEMA_NODE)) {
- final List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.OPERATIONS_CONTAINER_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- } else if (Objects.equal(schemaNodeName, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE)) {
- final List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- } else if (Objects.equal(schemaNodeName, Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE)) {
- List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
- final DataSchemaNode modules = Iterables.getFirst(instances, null);
- instances = findInstanceDataChildrenByName(((DataNodeContainer) modules),
- Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- } else if (Objects.equal(schemaNodeName, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE)) {
- final List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- } else if (Objects.equal(schemaNodeName, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE)) {
- List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
- final DataSchemaNode modules = Iterables.getFirst(instances, null);
- instances = findInstanceDataChildrenByName(((DataNodeContainer) modules),
- Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- } else if (Objects.equal(schemaNodeName, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE)) {
- final List<DataSchemaNode> instances = findInstanceDataChildrenByName(
- ((DataNodeContainer) restconfContainer), Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
- return Iterables.getFirst(instances, null);
- }
-
- return null;
- }
-
- private static DataSchemaNode childByQName(final ChoiceSchemaNode container, final QName name) {
- for (final ChoiceCaseNode caze : container.getCases()) {
- final DataSchemaNode ret = ControllerContext.childByQName(caze, name);
- if (ret != null) {
- return ret;
- }
- }
-
- return null;
- }
-
- private static DataSchemaNode childByQName(final ChoiceCaseNode container, final QName name) {
- return container.getDataChildByName(name);
- }
-
- private static DataSchemaNode childByQName(final ContainerSchemaNode container, final QName name) {
- return ControllerContext.dataNodeChildByQName(container, name);
- }
-
- private static DataSchemaNode childByQName(final ListSchemaNode container, final QName name) {
- return ControllerContext.dataNodeChildByQName(container, name);
- }
-
- private static DataSchemaNode childByQName(final Module container, final QName name) {
- return ControllerContext.dataNodeChildByQName(container, name);
- }
-
- private static DataSchemaNode childByQName(final DataSchemaNode container, final QName name) {
- return null;
- }
-
- private static DataSchemaNode dataNodeChildByQName(final DataNodeContainer container, final QName name) {
- final DataSchemaNode ret = container.getDataChildByName(name);
- if (ret == null) {
- for (final DataSchemaNode node : container.getChildNodes()) {
- if ((node instanceof ChoiceSchemaNode)) {
- final ChoiceSchemaNode choiceNode = ((ChoiceSchemaNode) node);
- final DataSchemaNode childByQName = ControllerContext.childByQName(choiceNode, name);
- if (childByQName != null) {
- return childByQName;
- }
- }
- }
- }
- return ret;
- }
-
- private String toUriString(final Object object, final LeafSchemaNode leafNode, final DOMMountPoint mount) throws UnsupportedEncodingException {
- final Codec<Object, Object> codec = RestCodec.from(leafNode.getType(), mount);
- return object == null ? "" : URLEncoder.encode(codec.serialize(object).toString(), ControllerContext.URI_ENCODING_CHAR_SET);
- }
-
- private InstanceIdentifierContext<?> collectPathArguments(final InstanceIdentifierBuilder builder,
- final List<String> strings, final DataNodeContainer parentNode, final DOMMountPoint mountPoint,
- final boolean returnJustMountPoint) {
- Preconditions.<List<String>> checkNotNull(strings);
-
- if (parentNode == null) {
- return null;
- }
-
- if (strings.isEmpty()) {
- return createContext(builder.toInstance(), ((DataSchemaNode) parentNode), mountPoint,mountPoint != null ? mountPoint.getSchemaContext() : globalSchema);
- }
-
- final String head = strings.iterator().next();
- final String nodeName = toNodeName(head);
- final String moduleName = ControllerContext.toModuleName(head);
-
- DataSchemaNode targetNode = null;
- if (!Strings.isNullOrEmpty(moduleName)) {
- if (Objects.equal(moduleName, ControllerContext.MOUNT_MODULE)
- && Objects.equal(nodeName, ControllerContext.MOUNT_NODE)) {
- if (mountPoint != null) {
- throw new RestconfDocumentedException("Restconf supports just one mount point in URI.",
- ErrorType.APPLICATION, ErrorTag.OPERATION_NOT_SUPPORTED);
- }
-
- if (mountService == null) {
- throw new RestconfDocumentedException(
- "MountService was not found. Finding behind mount points does not work.",
- ErrorType.APPLICATION, ErrorTag.OPERATION_NOT_SUPPORTED);
- }
-
- final YangInstanceIdentifier partialPath = dataNormalizer.toNormalized(builder.build());
- final Optional<DOMMountPoint> mountOpt = mountService.getMountPoint(partialPath);
- if (!mountOpt.isPresent()) {
- LOG.debug("Instance identifier to missing mount point: {}", partialPath);
- throw new RestconfDocumentedException("Mount point does not exist.", ErrorType.PROTOCOL,
- ErrorTag.DATA_MISSING);
- }
- final DOMMountPoint mount = mountOpt.get();
-
- final SchemaContext mountPointSchema = mount.getSchemaContext();
- if (mountPointSchema == null) {
- throw new RestconfDocumentedException("Mount point does not contain any schema with modules.",
- ErrorType.APPLICATION, ErrorTag.UNKNOWN_ELEMENT);
- }
-
- if (returnJustMountPoint || strings.size() == 1) {
- final YangInstanceIdentifier instance = YangInstanceIdentifier.builder().toInstance();
- return new InstanceIdentifierContext<>(instance, mountPointSchema, mount,mountPointSchema);
- }
-
- final String moduleNameBehindMountPoint = toModuleName(strings.get(1));
- if (moduleNameBehindMountPoint == null) {
- throw new RestconfDocumentedException(
- "First node after mount point in URI has to be in format \"moduleName:nodeName\"",
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- final Module moduleBehindMountPoint = mountPointSchema.findModuleByName(moduleNameBehindMountPoint, null);
- if (moduleBehindMountPoint == null) {
- throw new RestconfDocumentedException("\"" + moduleName
- + "\" module does not exist in mount point.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
- }
-
- final List<String> subList = strings.subList(1, strings.size());
- return collectPathArguments(YangInstanceIdentifier.builder(), subList, moduleBehindMountPoint, mount,
- returnJustMountPoint);
- }
-
- Module module = null;
- if (mountPoint == null) {
- checkPreconditions();
- module = globalSchema.findModuleByName(moduleName, null);
- if (module == null) {
- throw new RestconfDocumentedException("\"" + moduleName + "\" module does not exist.",
- ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
- }
- } else {
- final SchemaContext schemaContext = mountPoint.getSchemaContext();
- if (schemaContext != null) {
- module = schemaContext.findModuleByName(moduleName, null);
- } else {
- module = null;
- }
- if (module == null) {
- throw new RestconfDocumentedException("\"" + moduleName
- + "\" module does not exist in mount point.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
- }
- }
-
- targetNode = findInstanceDataChildByNameAndNamespace(parentNode, nodeName, module.getNamespace());
-
- if (targetNode == null && parentNode instanceof Module) {
- final RpcDefinition rpc = ControllerContext.getInstance().getRpcDefinition(head);
- if (rpc != null) {
- return new InstanceIdentifierContext<RpcDefinition>(builder.build(), rpc, mountPoint,
- mountPoint != null ? mountPoint.getSchemaContext() : globalSchema);
- }
- }
-
- if (targetNode == null) {
- throw new RestconfDocumentedException("URI has bad format. Possible reasons:\n" + " 1. \"" + head
- + "\" was not found in parent data node.\n" + " 2. \"" + head
- + "\" is behind mount point. Then it should be in format \"/" + MOUNT + "/" + head + "\".",
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
- } else {
- final List<DataSchemaNode> potentialSchemaNodes = findInstanceDataChildrenByName(parentNode, nodeName);
- if (potentialSchemaNodes.size() > 1) {
- final StringBuilder strBuilder = new StringBuilder();
- for (final DataSchemaNode potentialNodeSchema : potentialSchemaNodes) {
- strBuilder.append(" ").append(potentialNodeSchema.getQName().getNamespace()).append("\n");
- }
-
- throw new RestconfDocumentedException(
- "URI has bad format. Node \""
- + nodeName
- + "\" is added as augment from more than one module. "
- + "Therefore the node must have module name and it has to be in format \"moduleName:nodeName\"."
- + "\nThe node is added as augment from modules with namespaces:\n"
- + strBuilder.toString(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- if (potentialSchemaNodes.isEmpty()) {
- throw new RestconfDocumentedException("\"" + nodeName + "\" in URI was not found in parent data node",
- ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
- }
-
- targetNode = potentialSchemaNodes.iterator().next();
- }
-
- if (!ControllerContext.isListOrContainer(targetNode)) {
- throw new RestconfDocumentedException("URI has bad format. Node \"" + head
- + "\" must be Container or List yang type.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- int consumed = 1;
- if ((targetNode instanceof ListSchemaNode)) {
- final ListSchemaNode listNode = ((ListSchemaNode) targetNode);
- final int keysSize = listNode.getKeyDefinition().size();
- if ((strings.size() - consumed) < keysSize) {
- throw new RestconfDocumentedException("Missing key for list \"" + listNode.getQName().getLocalName()
- + "\".", ErrorType.PROTOCOL, ErrorTag.DATA_MISSING);
- }
-
- final List<String> uriKeyValues = strings.subList(consumed, consumed + keysSize);
- final HashMap<QName, Object> keyValues = new HashMap<QName, Object>();
- int i = 0;
- for (final QName key : listNode.getKeyDefinition()) {
- {
- final String uriKeyValue = uriKeyValues.get(i);
- if (uriKeyValue.equals(NULL_VALUE)) {
- throw new RestconfDocumentedException("URI has bad format. List \""
- + listNode.getQName().getLocalName() + "\" cannot contain \"null\" value as a key.",
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- addKeyValue(keyValues, listNode.getDataChildByName(key), uriKeyValue, mountPoint);
- i++;
- }
- }
-
- consumed = consumed + i;
- builder.nodeWithKey(targetNode.getQName(), keyValues);
- } else {
- builder.node(targetNode.getQName());
- }
-
- if ((targetNode instanceof DataNodeContainer)) {
- final List<String> remaining = strings.subList(consumed, strings.size());
- return collectPathArguments(builder, remaining, ((DataNodeContainer) targetNode), mountPoint,
- returnJustMountPoint);
- }
-
- return createContext(builder.build(), targetNode, mountPoint,mountPoint != null ? mountPoint.getSchemaContext() : globalSchema);
- }
-
- private InstanceIdentifierContext<?> createContext(final YangInstanceIdentifier instance, final DataSchemaNode dataSchemaNode,
- final DOMMountPoint mountPoint, final SchemaContext schemaContext) {
-
- final YangInstanceIdentifier instanceIdentifier = new DataNormalizer(schemaContext).toNormalized(instance);
- return new InstanceIdentifierContext<>(instanceIdentifier, dataSchemaNode, mountPoint,schemaContext);
- }
-
- public static DataSchemaNode findInstanceDataChildByNameAndNamespace(final DataNodeContainer container, final String name,
- final URI namespace) {
- Preconditions.<URI> checkNotNull(namespace);
-
- final List<DataSchemaNode> potentialSchemaNodes = findInstanceDataChildrenByName(container, name);
-
- final Predicate<DataSchemaNode> filter = new Predicate<DataSchemaNode>() {
- @Override
- public boolean apply(final DataSchemaNode node) {
- return Objects.equal(node.getQName().getNamespace(), namespace);
- }
- };
-
- final Iterable<DataSchemaNode> result = Iterables.filter(potentialSchemaNodes, filter);
- return Iterables.getFirst(result, null);
- }
-
- public static List<DataSchemaNode> findInstanceDataChildrenByName(final DataNodeContainer container, final String name) {
- Preconditions.<DataNodeContainer> checkNotNull(container);
- Preconditions.<String> checkNotNull(name);
-
- final List<DataSchemaNode> instantiatedDataNodeContainers = new ArrayList<DataSchemaNode>();
- collectInstanceDataNodeContainers(instantiatedDataNodeContainers, container, name);
- return instantiatedDataNodeContainers;
- }
-
- private static final Function<ChoiceSchemaNode, Set<ChoiceCaseNode>> CHOICE_FUNCTION = new Function<ChoiceSchemaNode, Set<ChoiceCaseNode>>() {
- @Override
- public Set<ChoiceCaseNode> apply(final ChoiceSchemaNode node) {
- return node.getCases();
- }
- };
-
- private static void collectInstanceDataNodeContainers(final List<DataSchemaNode> potentialSchemaNodes,
- final DataNodeContainer container, final String name) {
-
- final Predicate<DataSchemaNode> filter = new Predicate<DataSchemaNode>() {
- @Override
- public boolean apply(final DataSchemaNode node) {
- return Objects.equal(node.getQName().getLocalName(), name);
- }
- };
-
- final Iterable<DataSchemaNode> nodes = Iterables.filter(container.getChildNodes(), filter);
-
- // Can't combine this loop with the filter above because the filter is
- // lazily-applied by Iterables.filter.
- for (final DataSchemaNode potentialNode : nodes) {
- if (isInstantiatedDataSchema(potentialNode)) {
- potentialSchemaNodes.add(potentialNode);
- }
- }
-
- final Iterable<ChoiceSchemaNode> choiceNodes = Iterables.filter(container.getChildNodes(), ChoiceSchemaNode.class);
- final Iterable<Set<ChoiceCaseNode>> map = Iterables.transform(choiceNodes, CHOICE_FUNCTION);
-
- final Iterable<ChoiceCaseNode> allCases = Iterables.<ChoiceCaseNode> concat(map);
- for (final ChoiceCaseNode caze : allCases) {
- collectInstanceDataNodeContainers(potentialSchemaNodes, caze, name);
- }
- }
-
- public static boolean isInstantiatedDataSchema(final DataSchemaNode node) {
- return node instanceof LeafSchemaNode || node instanceof LeafListSchemaNode
- || node instanceof ContainerSchemaNode || node instanceof ListSchemaNode
- || node instanceof AnyXmlSchemaNode;
- }
-
- private void addKeyValue(final HashMap<QName, Object> map, final DataSchemaNode node, final String uriValue,
- final DOMMountPoint mountPoint) {
- Preconditions.checkNotNull(uriValue);
- Preconditions.checkArgument((node instanceof LeafSchemaNode));
-
- final String urlDecoded = urlPathArgDecode(uriValue);
- TypeDefinition<?> typedef = ((LeafSchemaNode) node).getType();
- final TypeDefinition<?> baseType = RestUtil.resolveBaseTypeFrom(typedef);
- if (baseType instanceof LeafrefTypeDefinition) {
- typedef = SchemaContextUtil.getBaseTypeForLeafRef((LeafrefTypeDefinition) baseType, globalSchema, node);
- }
- Codec<Object, Object> codec = RestCodec.from(typedef, mountPoint);
- Object decoded = codec.deserialize(urlDecoded);
- String additionalInfo = "";
- if (decoded == null) {
- if ((baseType instanceof IdentityrefTypeDefinition)) {
- decoded = toQName(urlDecoded);
- additionalInfo = "For key which is of type identityref it should be in format module_name:identity_name.";
- }
- }
-
- if (decoded == null) {
- throw new RestconfDocumentedException(uriValue + " from URI can't be resolved. " + additionalInfo,
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
-
- map.put(node.getQName(), decoded);
- }
-
- private static String toModuleName(final String str) {
- final int idx = str.indexOf(':');
- if (idx == -1) {
- return null;
- }
-
- // Make sure there is only one occurrence
- if (str.indexOf(':', idx + 1) != -1) {
- return null;
- }
-
- return str.substring(0, idx);
- }
-
- private static String toNodeName(final String str) {
- final int idx = str.indexOf(':');
- if (idx == -1) {
- return str;
- }
-
- // Make sure there is only one occurrence
- if (str.indexOf(':', idx + 1) != -1) {
- return str;
- }
-
- return str.substring(idx + 1);
- }
-
- private QName toQName(final String name) {
- checkPreconditions();
- final String module = toModuleName(name);
- final String node = toNodeName(name);
- final Module m = globalSchema.findModuleByName(module, null);
- return m == null ? null : QName.create(m.getQNameModule(), node);
- }
-
- private static boolean isListOrContainer(final DataSchemaNode node) {
- return node instanceof ListSchemaNode || node instanceof ContainerSchemaNode;
- }
-
- public RpcDefinition getRpcDefinition(final String name) {
- final QName validName = toQName(name);
- return validName == null ? null : qnameToRpc.get().get(validName);
- }
-
- @Override
- public void onGlobalContextUpdated(final SchemaContext context) {
- if (context != null) {
- final Collection<RpcDefinition> defs = context.getOperations();
- final Map<QName, RpcDefinition> newMap = new HashMap<>(defs.size());
-
- for (final RpcDefinition operation : defs) {
- newMap.put(operation.getQName(), operation);
- }
-
- // FIXME: still not completely atomic
- qnameToRpc.set(ImmutableMap.copyOf(newMap));
- setGlobalSchema(context);
- }
- }
-
- public static List<String> urlPathArgsDecode(final Iterable<String> strings) {
- try {
- final List<String> decodedPathArgs = new ArrayList<String>();
- for (final String pathArg : strings) {
- final String _decode = URLDecoder.decode(pathArg, URI_ENCODING_CHAR_SET);
- decodedPathArgs.add(_decode);
- }
- return decodedPathArgs;
- } catch (final UnsupportedEncodingException e) {
- throw new RestconfDocumentedException("Invalid URL path '" + strings + "': " + e.getMessage(),
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
- }
-
- public String urlPathArgDecode(final String pathArg) {
- if (pathArg != null) {
- try {
- return URLDecoder.decode(pathArg, URI_ENCODING_CHAR_SET);
- } catch (final UnsupportedEncodingException e) {
- throw new RestconfDocumentedException("Invalid URL path arg '" + pathArg + "': " + e.getMessage(),
- ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
- }
- }
-
- return null;
- }
-
- private CharSequence convertToRestconfIdentifier(final PathArgument argument, final DataSchemaNode node, final DOMMountPoint mount) {
- if (argument instanceof NodeIdentifier) {
- return convertToRestconfIdentifier((NodeIdentifier) argument, mount);
- } else if (argument instanceof NodeIdentifierWithPredicates && node instanceof ListSchemaNode) {
- return convertToRestconfIdentifierWithPredicates((NodeIdentifierWithPredicates) argument, (ListSchemaNode) node, mount);
- } else if (argument != null && node != null) {
- throw new IllegalArgumentException("Conversion of generic path argument is not supported");
- } else {
- throw new IllegalArgumentException("Unhandled parameter types: "
- + Arrays.<Object> asList(argument, node).toString());
- }
- }
-
- private CharSequence convertToRestconfIdentifier(final NodeIdentifier argument, final DOMMountPoint node) {
- return "/" + this.toRestconfIdentifier(argument.getNodeType(),node);
- }
-
- private CharSequence convertToRestconfIdentifierWithPredicates(final NodeIdentifierWithPredicates argument,
- final ListSchemaNode node, final DOMMountPoint mount) {
- final QName nodeType = argument.getNodeType();
- final CharSequence nodeIdentifier = this.toRestconfIdentifier(nodeType, mount);
- final Map<QName, Object> keyValues = argument.getKeyValues();
-
- final StringBuilder builder = new StringBuilder();
- builder.append('/');
- builder.append(nodeIdentifier);
- builder.append('/');
-
- final List<QName> keyDefinition = node.getKeyDefinition();
- boolean hasElements = false;
- for (final QName key : keyDefinition) {
- for (final DataSchemaNode listChild : node.getChildNodes()) {
- if (listChild.getQName().equals(key)) {
- if (!hasElements) {
- hasElements = true;
- } else {
- builder.append('/');
- }
-
- try {
- Preconditions.checkState(listChild instanceof LeafSchemaNode, "List key has to consist of leaves");
- builder.append(toUriString(keyValues.get(key), (LeafSchemaNode)listChild, mount));
- } catch (final UnsupportedEncodingException e) {
- LOG.error("Error parsing URI: {}", keyValues.get(key), e);
- return null;
- }
- break;
- }
- }
- }
-
- return builder.toString();
- }
-
- private static DataSchemaNode childByQName(final Object container, final QName name) {
- if (container instanceof ChoiceCaseNode) {
- return childByQName((ChoiceCaseNode) container, name);
- } else if (container instanceof ChoiceSchemaNode) {
- return childByQName((ChoiceSchemaNode) container, name);
- } else if (container instanceof ContainerSchemaNode) {
- return childByQName((ContainerSchemaNode) container, name);
- } else if (container instanceof ListSchemaNode) {
- return childByQName((ListSchemaNode) container, name);
- } else if (container instanceof DataSchemaNode) {
- return childByQName((DataSchemaNode) container, name);
- } else if (container instanceof Module) {
- return childByQName((Module) container, name);
- } else {
- throw new IllegalArgumentException("Unhandled parameter types: "
- + Arrays.<Object> asList(container, name).toString());
- }
- }
-
- public YangInstanceIdentifier toNormalized(final YangInstanceIdentifier legacy) {
- try {
- return dataNormalizer.toNormalized(legacy);
- } catch (final NullPointerException e) {
- throw new RestconfDocumentedException("Data normalizer isn't set. Normalization isn't possible", e);
- }
- }
-
- public YangInstanceIdentifier toXpathRepresentation(final YangInstanceIdentifier instanceIdentifier) {
- try {
- return dataNormalizer.toLegacy(instanceIdentifier);
- } catch (final NullPointerException e) {
- throw new RestconfDocumentedException("Data normalizer isn't set. Normalization isn't possible", e);
- } catch (final DataNormalizationException e) {
- throw new RestconfDocumentedException("Data normalizer failed. Normalization isn't possible", e);
- }
- }
-
- public boolean isNodeMixin(final YangInstanceIdentifier path) {
- final DataNormalizationOperation<?> operation;
- try {
- operation = dataNormalizer.getOperation(path);
- } catch (final DataNormalizationException e) {
- throw new RestconfDocumentedException("Data normalizer failed. Normalization isn't possible", e);
- }
- return operation.isMixin();
- }
-
- public DataNormalizationOperation<?> getRootOperation() {
- return dataNormalizer.getRootOperation();
- }
-
-}