*/
package org.opendaylight.yangtools.yang.model.util;
+import com.google.common.annotations.Beta;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Function;
+import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
-import java.util.Arrays;
+import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
+import java.util.regex.Pattern;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+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.DerivableSchemaNode;
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.ModuleImport;
import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
Preconditions.checkArgument(module != null, "Module reference cannot be NULL");
Preconditions.checkArgument(nonCondXPath != null, "Non Conditional Revision Aware XPath cannot be NULL");
- String strXPath = nonCondXPath.toString();
+ final String strXPath = nonCondXPath.toString();
if (strXPath != null) {
Preconditions.checkArgument(strXPath.indexOf('[') == -1, "Revision Aware XPath may not contain a condition");
if (nonCondXPath.isAbsolute()) {
- List<QName> qnamedPath = xpathToQNamePath(context, module, strXPath);
+ final List<QName> qnamedPath = xpathToQNamePath(context, module, strXPath);
if (qnamedPath != null) {
return findNodeInSchemaContext(context, qnamedPath);
}
"Revision Aware XPath MUST be relative i.e. MUST contains ../, "
+ "for non relative Revision Aware XPath use findDataSchemaNode method");
- SchemaPath actualNodePath = actualSchemaNode.getPath();
+ final SchemaPath actualNodePath = actualSchemaNode.getPath();
if (actualNodePath != null) {
- Iterable<QName> qnamePath = resolveRelativeXPath(context, module, relativeXPath, actualSchemaNode);
+ final Iterable<QName> qnamePath = resolveRelativeXPath(context, module, relativeXPath, actualSchemaNode);
if (qnamePath != null) {
return findNodeInSchemaContext(context, qnamePath);
Preconditions.checkState(schemaNode.getPath() != null, "Schema Path for Schema Node is not "
+ "set properly (Schema Path is NULL)");
- final QName qname = Iterables.getFirst(schemaNode.getPath().getPathTowardsRoot(), null);
+ final QName qname = schemaNode.getPath().getLastComponent();
Preconditions.checkState(qname != null,
"Schema Path contains invalid state of path parts. " +
- "The Schema Path MUST contain at least ONE QName which defines namespace and Local name of path.");
+ "The Schema Path MUST contain at least ONE QName which defines namespace and Local name of path.");
return context.findModuleByNamespaceAndRevision(qname.getNamespace(), qname.getRevision());
}
return findNodeInModule(module, path);
}
+ /**
+ * Returns NotificationDefinition from Schema Context
+ *
+ * @param schema SchemaContext in which lookup should be performed.
+ * @param path Schema Path of notification
+ * @return Notification schema or null, if notification is not present in schema context.
+ */
+ @Beta
+ @Nullable public static NotificationDefinition getNotificationSchema(@Nonnull final SchemaContext schema, @Nonnull final SchemaPath path) {
+ Preconditions.checkNotNull(schema, "Schema context must not be null.");
+ Preconditions.checkNotNull(path, "Schema path must not be null.");
+ for (final NotificationDefinition potential : schema.getNotifications()) {
+ if (path.equals(potential.getPath())) {
+ return potential;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Returns RPC Input or Output Data container from RPC definition.
+ *
+ * @param schema SchemaContext in which lookup should be performed.
+ * @param path Schema path of RPC input/output data container
+ * @return Notification schema or null, if notification is not present in schema context.
+ */
+ @Beta
+ @Nullable public static ContainerSchemaNode getRpcDataSchema(@Nonnull final SchemaContext schema, @Nonnull final SchemaPath path) {
+ Preconditions.checkNotNull(schema, "Schema context must not be null.");
+ Preconditions.checkNotNull(path, "Schema path must not be null.");
+ final Iterator<QName> it = path.getPathFromRoot().iterator();
+ Preconditions.checkArgument(it.hasNext(), "Rpc must have QName.");
+ final QName rpcName = it.next();
+ Preconditions.checkArgument(it.hasNext(), "input or output must be part of path.");
+ final QName inOrOut = it.next();
+ for (final RpcDefinition potential : schema.getOperations()) {
+ if (rpcName.equals(potential.getQName())) {
+ return SchemaNodeUtils.getRpcDataSchema(potential, inOrOut);
+ }
+ }
+ return null;
+ }
+
private static SchemaNode findNodeInModule(final Module module, final Iterable<QName> path) {
+
+ Preconditions.checkArgument(module != null, "Parent reference cannot be NULL");
+ Preconditions.checkArgument(path != null, "Path reference cannot be NULL");
+
+ if (!path.iterator().hasNext()) {
+ LOG.debug("No node matching {} found in node {}", path, module);
+ return null;
+ }
+
final QName current = path.iterator().next();
+ LOG.trace("Looking for node {} in module {}", current, module);
- LOG.trace("Looking for data container {} in module {}", current, module);
- SchemaNode parent = module.getDataChildByName(current);
- if (parent != null) {
- final SchemaNode ret = findNode((DataSchemaNode) parent, nextLevel(path));
- if (ret != null) {
- return ret;
- }
+ SchemaNode foundNode = null;
+ final Iterable<QName> nextPath = nextLevel(path);
+
+ foundNode = module.getDataChildByName(current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
}
- LOG.trace("Looking for RPC {} in module {}", current, module);
- parent = getRpcByName(module, current);
- if (parent != null) {
- final SchemaNode ret = findNodeInRpc((RpcDefinition) parent, nextLevel(path));
- if (ret != null) {
- return ret;
+ if (foundNode == null) {
+ foundNode = getGroupingByName(module, current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
}
}
- LOG.trace("Looking for notification {} in module {}", current, module);
- parent = getNotificationByName(module, current);
- if (parent != null) {
- final SchemaNode ret = findNodeInNotification((NotificationDefinition) parent, nextLevel(path));
- if (ret != null) {
- return ret;
+ if (foundNode == null) {
+ foundNode = getRpcByName(module, current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
}
}
- LOG.trace("Looking for grouping {} in module {}", current, module);
- parent = getGroupingByName(module, current);
- if (parent != null) {
- final SchemaNode ret = findNodeInGrouping((GroupingDefinition) parent, nextLevel(path));
- if (ret != null) {
- return ret;
+ if (foundNode == null) {
+ foundNode = getNotificationByName(module, current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
}
}
- LOG.debug("No node matching {} found in module {}", path, module);
- return null;
- }
-
- private static SchemaNode findNodeInGrouping(
- final GroupingDefinition grouping, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- LOG.debug("Found grouping {}", grouping);
- return grouping;
+ if (foundNode == null) {
+ LOG.debug("No node matching {} found in node {}", path, module);
}
- LOG.trace("Looking for path {} in grouping {}", path, grouping);
- final DataSchemaNode node = grouping.getDataChildByName(current);
+ return foundNode;
- if (node != null)
- return findNode(node, nextLevel(path));
+ }
- for (GroupingDefinition groupingDefinition : grouping.getGroupings()) {
- if (groupingDefinition.getQName().equals(current))
- return findNodeInGrouping(groupingDefinition, nextLevel(path));
- }
+ private static SchemaNode findNodeIn(final SchemaNode parent, final Iterable<QName> path) {
- LOG.debug("No node matching {} found in grouping {}", current, grouping);
- return null;
- }
+ Preconditions.checkArgument(parent != null, "Parent reference cannot be NULL");
+ Preconditions.checkArgument(path != null, "Path reference cannot be NULL");
- private static SchemaNode findNodeInRpc(final RpcDefinition rpc, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- LOG.debug("Found RPC {}", rpc);
- return rpc;
- }
-
- LOG.trace("Looking for path {} in rpc {}", path, rpc);
- switch (current.getLocalName()) {
- case "input":
- return findNode(rpc.getInput(), nextLevel(path));
- case "output":
- return findNode(rpc.getOutput(), nextLevel(path));
- default:
- LOG.debug("Invalid component {} of path {} in RPC {}", current, path, rpc);
+ if (!path.iterator().hasNext()) {
+ LOG.debug("No node matching {} found in node {}", path, parent);
return null;
}
- }
- private static SchemaNode findNodeInNotification(final NotificationDefinition ntf, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- LOG.debug("Found notification {}", ntf);
- return ntf;
- }
+ final QName current = path.iterator().next();
+ LOG.trace("Looking for node {} in node {}", current, parent);
- LOG.trace("Looking for path {} in notification {}", path, ntf);
- DataSchemaNode node = ntf.getDataChildByName(current);
- if (node == null) {
- LOG.debug("No node matching {} found in notification {}", current, ntf);
- return null;
- }
+ SchemaNode foundNode = null;
+ final Iterable<QName> nextPath = nextLevel(path);
- return findNode(node, nextLevel(path));
- }
+ if (parent instanceof DataNodeContainer) {
+ final DataNodeContainer parentDataNodeContainer = (DataNodeContainer) parent;
- private static SchemaNode findNode(final ChoiceNode parent, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- return parent;
- }
- ChoiceCaseNode node = parent.getCaseNodeByName(current);
- if (node != null) {
- return findNodeInCase(node, nextLevel(path));
- }
- return null;
- }
+ foundNode = parentDataNodeContainer.getDataChildByName(current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
+ }
- private static SchemaNode findNode(final ContainerSchemaNode parent, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- return parent;
+ if (foundNode == null) {
+ foundNode = getGroupingByName(parentDataNodeContainer, current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
+ }
+ }
}
- final DataSchemaNode node = parent.getDataChildByName(current);
- if (node == null) {
- LOG.debug("Failed to find {} in parent {}", path, parent);
- return null;
- }
+ if (foundNode == null && parent instanceof RpcDefinition) {
+ final RpcDefinition parentRpcDefinition = (RpcDefinition) parent;
- return findNode(node, nextLevel(path));
- }
+ if (current.getLocalName().equals("input")) {
+ foundNode = parentRpcDefinition.getInput();
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
+ }
+ }
- private static SchemaNode findNode(final ListSchemaNode parent, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- return parent;
- }
+ if (current.getLocalName().equals("output")) {
+ foundNode = parentRpcDefinition.getOutput();
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
+ }
+ }
- DataSchemaNode node = parent.getDataChildByName(current);
- if (node == null) {
- LOG.debug("Failed to find {} in parent {}", path, parent);
- return null;
+ if (foundNode == null) {
+ foundNode = getGroupingByName(parentRpcDefinition, current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
+ }
+ }
}
- return findNode(node, nextLevel(path));
- }
- private static SchemaNode findNode(final DataSchemaNode parent, final Iterable<QName> path) {
- final SchemaNode node;
- if (!Iterables.isEmpty(path)) {
- if (parent instanceof ContainerSchemaNode) {
- node = findNode((ContainerSchemaNode) parent, path);
- } else if (parent instanceof ListSchemaNode) {
- node = findNode((ListSchemaNode) parent, path);
- } else if (parent instanceof ChoiceNode) {
- node = findNode((ChoiceNode) parent, path);
- } else {
- throw new IllegalArgumentException(
- String.format("Path nesting violation in parent %s path %s", parent, path));
+ if (foundNode == null && parent instanceof ChoiceSchemaNode) {
+ foundNode = ((ChoiceSchemaNode) parent).getCaseNodeByName(current);
+ if (foundNode != null && nextPath.iterator().hasNext()) {
+ foundNode = findNodeIn(foundNode, nextPath);
}
- } else {
- node = parent;
}
- if (node == null) {
- LOG.debug("Failed to find {} in parent {}", path, parent);
- return null;
+ if (foundNode == null) {
+ LOG.debug("No node matching {} found in node {}", path, parent);
}
- return node;
- }
- private static SchemaNode findNodeInCase(final ChoiceCaseNode parent, final Iterable<QName> path) {
- final QName current = Iterables.getFirst(path, null);
- if (current == null) {
- return parent;
- }
+ return foundNode;
- DataSchemaNode node = parent.getDataChildByName(current);
- if (node == null) {
- LOG.debug("Failed to find {} in parent {}", path, parent);
- return null;
- }
- return findNode(node, nextLevel(path));
+ }
+
+ private static Iterable<QName> nextLevel(final Iterable<QName> path) {
+ return Iterables.skip(path, 1);
}
private static RpcDefinition getRpcByName(final Module module, final QName name) {
- for (RpcDefinition rpc : module.getRpcs()) {
+ for (final RpcDefinition rpc : module.getRpcs()) {
if (rpc.getQName().equals(name)) {
return rpc;
}
return null;
}
- private static Iterable<QName> nextLevel(final Iterable<QName> path) {
- return Iterables.skip(path, 1);
- }
-
private static NotificationDefinition getNotificationByName(final Module module, final QName name) {
- for (NotificationDefinition notification : module.getNotifications()) {
+ for (final NotificationDefinition notification : module.getNotifications()) {
if (notification.getQName().equals(name)) {
return notification;
}
return null;
}
- private static GroupingDefinition getGroupingByName(final Module module, final QName name) {
- for (GroupingDefinition grouping : module.getGroupings()) {
+ private static GroupingDefinition getGroupingByName(final DataNodeContainer dataNodeContainer, final QName name) {
+ for (final GroupingDefinition grouping : dataNodeContainer.getGroupings()) {
+ if (grouping.getQName().equals(name)) {
+ return grouping;
+ }
+ }
+ return null;
+ }
+
+ private static GroupingDefinition getGroupingByName(final RpcDefinition rpc, final QName name) {
+ for (final GroupingDefinition grouping : rpc.getGroupings()) {
if (grouping.getQName().equals(name)) {
return grouping;
}
Preconditions.checkArgument(parentModule != null, "Parent Module reference cannot be NULL");
Preconditions.checkArgument(xpath != null, "XPath string reference cannot be NULL");
- List<QName> path = new LinkedList<QName>();
- for (String pathComponent : SLASH_SPLITTER.split(xpath)) {
+ final List<QName> path = new LinkedList<QName>();
+ for (final String pathComponent : SLASH_SPLITTER.split(xpath)) {
if (!pathComponent.isEmpty()) {
path.add(stringPathPartToQName(context, parentModule, pathComponent));
}
final Iterator<String> prefixedName = COLON_SPLITTER.split(prefixedPathPart).iterator();
final String modulePrefix = prefixedName.next();
- Module module = resolveModuleForPrefix(context, parentModule, modulePrefix);
+ final Module module = resolveModuleForPrefix(context, parentModule, modulePrefix);
Preconditions.checkArgument(module != null, "Failed to resolve xpath: no module found for prefix %s in module %s",
modulePrefix, parentModule.getName());
- // FIXME: Module should have a QNameModule handle
- return QName.create(module.getNamespace(), module.getRevision(), prefixedName.next());
+ return QName.create(module.getQNameModule(), prefixedName.next());
} else {
return QName.create(parentModule.getNamespace(), parentModule.getRevision(), prefixedPathPart);
}
return module;
}
- Set<ModuleImport> imports = module.getImports();
- for (ModuleImport mi : imports) {
+ final Set<ModuleImport> imports = module.getImports();
+ for (final ModuleImport mi : imports) {
if (prefix.equals(mi.getPrefix())) {
return context.findModuleByName(mi.getModuleName(), mi.getRevision());
}
* Yang Module
* @param relativeXPath
* Non conditional Revision Aware Relative XPath
- * @param leafrefSchemaPath
- * Schema Path for Leafref
+ * @param actualSchemaNode
+ * actual schema node
* @return list of QName
*/
private static Iterable<QName> resolveRelativeXPath(final SchemaContext context, final Module module,
- final RevisionAwareXPath relativeXPath, final SchemaNode leafrefParentNode) {
+ final RevisionAwareXPath relativeXPath, final SchemaNode actualSchemaNode) {
Preconditions.checkArgument(context != null, "Schema Context reference cannot be NULL");
Preconditions.checkArgument(module != null, "Module reference cannot be NULL");
Preconditions.checkArgument(relativeXPath != null, "Non Conditional Revision Aware XPath cannot be NULL");
Preconditions.checkState(!relativeXPath.isAbsolute(),
"Revision Aware XPath MUST be relative i.e. MUST contains ../, "
+ "for non relative Revision Aware XPath use findDataSchemaNode method");
- Preconditions.checkState(leafrefParentNode.getPath() != null,
+ Preconditions.checkState(actualSchemaNode.getPath() != null,
"Schema Path reference for Leafref cannot be NULL");
final Iterable<String> xpaths = SLASH_SPLITTER.split(relativeXPath.toString());
// Find out how many "parent" components there are
// FIXME: is .contains() the right check here?
+ // FIXME: case ../../node1/node2/../node3/../node4
int colCount = 0;
- for (Iterator<String> it = xpaths.iterator(); it.hasNext() && it.next().contains(".."); ) {
+ for (final Iterator<String> it = xpaths.iterator(); it.hasNext() && it.next().contains(".."); ) {
++colCount;
}
- final Iterable<QName> parent = leafrefParentNode.getPath().getPathFromRoot();
- return Iterables.concat(Iterables.limit(parent, Iterables.size(parent) - colCount),
+ final Iterable<QName> schemaNodePath = actualSchemaNode.getPath().getPathFromRoot();
+
+ if (Iterables.size(schemaNodePath) - colCount >= 0) {
+ return Iterables.concat(Iterables.limit(schemaNodePath, Iterables.size(schemaNodePath) - colCount),
+ Iterables.transform(Iterables.skip(xpaths, colCount), new Function<String, QName>() {
+ @Override
+ public QName apply(final String input) {
+ return stringPathPartToQName(context, module, input);
+ }
+ }));
+ }
+ return Iterables.concat(schemaNodePath,
Iterables.transform(Iterables.skip(xpaths, colCount), new Function<String, QName>() {
@Override
public QName apply(final String input) {
* Schema Context
* @param schema
* Schema Node
- * @return
+ * @return recursively found type definition this leafref is pointing to or null if the xpath is incorrect (null is there to preserve backwards compatibility)
*/
public static TypeDefinition<?> getBaseTypeForLeafRef(final LeafrefTypeDefinition typeDefinition, final SchemaContext schemaContext, final SchemaNode schema) {
RevisionAwareXPath pathStatement = typeDefinition.getPathStatement();
pathStatement = new RevisionAwareXPathImpl(stripConditionsFromXPathString(pathStatement), pathStatement.isAbsolute());
- final Module parentModule = SchemaContextUtil.findParentModule(schemaContext, schema);
-
final DataSchemaNode dataSchemaNode;
- if(pathStatement.isAbsolute()) {
- dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule, pathStatement);
+ if (pathStatement.isAbsolute()) {
+ SchemaNode baseSchema = schema;
+ while (baseSchema instanceof DerivableSchemaNode) {
+ final Optional<? extends SchemaNode> basePotential = ((DerivableSchemaNode) baseSchema).getOriginal();
+ if (basePotential.isPresent()) {
+ baseSchema = basePotential.get();
+ } else {
+ break;
+ }
+ }
+
+ Module parentModule = findParentModuleOfReferencingType(schemaContext, baseSchema);
+ dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule,
+ pathStatement);
} else {
- SchemaPath parentSchemaPath = schema.getPath().getParent();
- SchemaNode parentSchemaNode = SchemaContextUtil.findDataSchemaNode(schemaContext, parentSchemaPath);
- dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext, parentModule, parentSchemaNode, pathStatement);
+ Module parentModule = findParentModule(schemaContext, schema);
+ dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext,
+ parentModule, schema, pathStatement);
+ }
+
+ // FIXME this is just to preserve backwards compatibility since yangtools do not mind wrong leafref xpaths
+ // and current expected behaviour for such cases is to just use pure string
+ // This should throw an exception about incorrect XPath in leafref
+ if(dataSchemaNode == null) {
+ return null;
}
final TypeDefinition<?> targetTypeDefinition = typeDefinition(dataSchemaNode);
}
}
+ private static Module findParentModuleOfReferencingType(final SchemaContext schemaContext,
+ final SchemaNode schemaNode) {
+ Preconditions.checkArgument(schemaContext != null, "Schema Context reference cannot be NULL!");
+ Preconditions.checkArgument(schemaNode != null, "Schema Node cannot be NULL!");
+ TypeDefinition<?> nodeType = null;
+
+ if (schemaNode instanceof LeafSchemaNode) {
+ nodeType = ((LeafSchemaNode) schemaNode).getType();
+ } else if (schemaNode instanceof LeafListSchemaNode) {
+ nodeType = ((LeafListSchemaNode) schemaNode).getType();
+ }
+
+ if (nodeType instanceof ExtendedType) {
+ while (nodeType.getBaseType() instanceof ExtendedType) {
+ nodeType = nodeType.getBaseType();
+ }
+
+ QNameModule typeDefModuleQname = nodeType.getQName().getModule();
+ return schemaContext.findModuleByNamespaceAndRevision(typeDefModuleQname.getNamespace(),
+ typeDefModuleQname.getRevision());
+ } else if (nodeType.getBaseType() != null) {
+ while (nodeType.getBaseType() != null) {
+ nodeType = nodeType.getBaseType();
+ }
+
+ final QNameModule typeDefModuleQname = nodeType.getQName().getModule();
+ return schemaContext.findModuleByNamespaceAndRevision(typeDefModuleQname.getNamespace(),
+ typeDefModuleQname.getRevision());
+ }
+
+ return SchemaContextUtil.findParentModule(schemaContext, schemaNode);
+ }
+
+ /**
+ * @deprecated due to expensive lookup
+ * Returns parent Yang Module for specified Schema Context in which Schema
+ * Node is declared. If Schema Node is of type 'ExtendedType' it tries to find parent module
+ * in which the type was originally declared (needed for correct leafref path resolution). <br>
+ * If the Schema Node is not present in Schema Context the
+ * operation will return <code>null</code>. <br>
+ * If Schema Context or Schema Node contains <code>null</code> references
+ * the method will throw IllegalArgumentException
+ *
+ * @throws IllegalArgumentException
+ *
+ * @param schemaContext
+ * Schema Context
+ * @param schemaNode
+ * Schema Node
+ * @return Yang Module for specified Schema Context and Schema Node, if
+ * Schema Node is NOT present, the method will returns
+ * <code>null</code>
+ */
+ @Deprecated
+ public static Module findParentModuleByType(final SchemaContext schemaContext, final SchemaNode schemaNode) {
+ Preconditions.checkArgument(schemaContext != null, "Schema Context reference cannot be NULL!");
+ Preconditions.checkArgument(schemaNode != null, "Schema Node cannot be NULL!");
+ TypeDefinition<?> nodeType = null;
+
+ if (schemaNode instanceof LeafSchemaNode) {
+ nodeType = ((LeafSchemaNode) schemaNode).getType();
+ } else if (schemaNode instanceof LeafListSchemaNode) {
+ nodeType = ((LeafListSchemaNode) schemaNode).getType();
+ }
+
+ if (!BaseTypes.isYangBuildInType(nodeType) && nodeType.getBaseType() != null) {
+ while (nodeType.getBaseType() != null && !BaseTypes.isYangBuildInType(nodeType.getBaseType())) {
+ nodeType = nodeType.getBaseType();
+ }
+
+ QNameModule typeDefModuleQname = nodeType.getQName().getModule();
+
+ return schemaContext.findModuleByNamespaceAndRevision(typeDefModuleQname.getNamespace(),
+ typeDefModuleQname.getRevision());
+ }
+
+ return SchemaContextUtil.findParentModule(schemaContext, schemaNode);
+ }
+
+ /**
+ * Returns base type for {@code typeDefinition} which belongs to module specified via {@code qName}. This handle case
+ * when leafref type isn't specified as type substatement of leaf or leaf-list but is defined in other module as typedef
+ * which is then imported to referenced module.
+ *
+ * Because {@code typeDefinition} is definied via typedef statement, only absolute path is meaningful.
+ *
+ * @param typeDefinition
+ * @param schemaContext
+ * @param qName
+ * @return
+ */
+ public static TypeDefinition<?> getBaseTypeForLeafRef(final LeafrefTypeDefinition typeDefinition,
+ final SchemaContext schemaContext, final QName qName) {
+ final RevisionAwareXPath pathStatement = typeDefinition.getPathStatement();
+ final RevisionAwareXPath strippedPathStatement = new RevisionAwareXPathImpl(stripConditionsFromXPathString(pathStatement), pathStatement.isAbsolute());
+ if (!strippedPathStatement.isAbsolute()) {
+ return null;
+ }
+
+ final Module parentModule = schemaContext.findModuleByNamespaceAndRevision(qName.getNamespace(),qName.getRevision());
+ final DataSchemaNode dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule, strippedPathStatement);
+ final TypeDefinition<?> targetTypeDefinition = typeDefinition(dataSchemaNode);
+ if (targetTypeDefinition instanceof LeafrefTypeDefinition) {
+ return getBaseTypeForLeafRef(((LeafrefTypeDefinition) targetTypeDefinition), schemaContext, dataSchemaNode);
+ } else {
+ return targetTypeDefinition;
+ }
+ }
+
+ private static final Pattern STRIP_PATTERN = Pattern.compile("\\[[^\\[\\]]*\\]");
+
/**
* Removes conditions from xPath pointed to target node.
*
* @return string representation of xPath without conditions
*
*/
- private static String stripConditionsFromXPathString(final RevisionAwareXPath pathStatement) {
- return pathStatement.toString().replaceAll("\\[.*\\]", "");
+ @VisibleForTesting
+ static String stripConditionsFromXPathString(final RevisionAwareXPath pathStatement) {
+ return STRIP_PATTERN.matcher(pathStatement.toString()).replaceAll("");
}
/**
* a node representing LeafSchemaNode
* @return concrete type definition of node value
*/
- private static TypeDefinition<? extends Object> typeDefinition(final LeafSchemaNode node) {
+ private static TypeDefinition<?> typeDefinition(final LeafSchemaNode node) {
TypeDefinition<?> baseType = node.getType();
while (baseType.getBaseType() != null) {
baseType = baseType.getBaseType();
* a node representing LeafListSchemaNode
* @return concrete type definition of node value
*/
- private static TypeDefinition<? extends Object> typeDefinition(final LeafListSchemaNode node) {
+ private static TypeDefinition<?> typeDefinition(final LeafListSchemaNode node) {
TypeDefinition<?> baseType = node.getType();
while (baseType.getBaseType() != null) {
baseType = baseType.getBaseType();
* a node representing DataSchemaNode
* @return concrete type definition of node value
*/
- private static TypeDefinition<? extends Object> typeDefinition(final DataSchemaNode node) {
+ private static TypeDefinition<?> 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());
+ throw new IllegalArgumentException("Unhandled parameter types: " + Collections.<Object>singletonList(node).toString());
}
}
}