*/
package org.opendaylight.yangtools.yang.model.util;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.annotations.Beta;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.model.api.CaseSchemaNode;
+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.ListSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-public class SchemaNodeUtils {
-
+public final class SchemaNodeUtils {
private SchemaNodeUtils() {
- throw new UnsupportedOperationException("Utility class");
+ // Hidden on purpose
}
- public static final Optional<SchemaNode> getOriginalIfPossible(final SchemaNode node) {
- if(node instanceof DerivableSchemaNode) {
+ public static Optional<SchemaNode> getOriginalIfPossible(final SchemaNode node) {
+ if (node instanceof DerivableSchemaNode) {
@SuppressWarnings("unchecked")
- final Optional<SchemaNode> ret = (Optional<SchemaNode>) (((DerivableSchemaNode) node).getOriginal());
+ final Optional<SchemaNode> ret = (Optional<SchemaNode>) ((DerivableSchemaNode) node).getOriginal();
return ret;
}
- return Optional.absent();
+ return Optional.empty();
}
- public static final SchemaNode getRootOriginalIfPossible(final SchemaNode data) {
- Optional<SchemaNode> previous = Optional.absent();
+ public static SchemaNode getRootOriginalIfPossible(final SchemaNode data) {
+ Optional<SchemaNode> previous = Optional.empty();
Optional<SchemaNode> next = getOriginalIfPossible(data);
- while(next.isPresent()) {
+ while (next.isPresent()) {
previous = next;
next = getOriginalIfPossible(next.get());
}
- return previous.orNull();
+ return previous.orElse(null);
}
/**
- * Returns RPC input or output schema based on supplied QName
+ * Returns RPC input or output schema based on supplied QName.
*
* @param rpc RPC Definition
* @param qname input or output QName with namespace same as RPC
* @return input or output schema. Returns null if RPC does not have input/output specified.
*/
- public static @Nullable ContainerSchemaNode getRpcDataSchema(final @Nonnull RpcDefinition rpc, @Nonnull final QName qname) {
- Preconditions.checkNotNull(rpc, "Rpc Schema must not be null");
- Preconditions.checkNotNull(qname,"QName must not be null");
- switch (qname.getLocalName()) {
- case "input":
- return rpc.getInput();
- case "output":
- return rpc.getOutput();
- default:
- throw new IllegalArgumentException("Supplied qname " + qname + " does not represent rpc input or output.");
- }
- }
+ public static @Nullable ContainerSchemaNode getRpcDataSchema(final @NonNull RpcDefinition rpc,
+ final @NonNull QName qname) {
+ requireNonNull(rpc, "Rpc Schema must not be null");
+ switch (requireNonNull(qname, "QName must not be null").getLocalName()) {
+ case "input":
+ return rpc.getInput();
+ case "output":
+ return rpc.getOutput();
+ default:
+ throw new IllegalArgumentException("Supplied qname " + qname
+ + " does not represent rpc input or output.");
+ }
+ }
+
+ @Beta
+ public static @NonNull Collection<? extends TypeDefinition<?>> getAllTypeDefinitions(
+ final DataNodeContainer parent) {
+ final List<TypeDefinition<?>> typedefs = new ArrayList<>();
+ traverse(new DataNodeAggregator() {
+ @Override
+ protected void addTypedefs(final Collection<? extends TypeDefinition<?>> typeDefs) {
+ typedefs.addAll(typeDefs);
+ }
+ }, requireNonNull(parent));
+ return typedefs;
+ }
+
+ @Beta
+ public static @NonNull Collection<? extends ContainerSchemaNode> getAllContainers(final DataNodeContainer parent) {
+ final List<ContainerSchemaNode> containers = new ArrayList<>();
+ traverse(new DataNodeAggregator() {
+ @Override
+ protected void addContainer(final ContainerSchemaNode containerNode) {
+ containers.add(containerNode);
+ }
+ }, requireNonNull(parent));
+ return containers;
+ }
+
+ @Beta
+ public static void traverse(final @NonNull DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
+ if (dataNode == null) {
+ return;
+ }
+
+ final Iterable<DataSchemaNode> childNodes = dataNode.getChildNodes();
+ if (childNodes != null) {
+ for (DataSchemaNode childNode : childNodes) {
+ if (childNode.isAugmenting()) {
+ continue;
+ }
+ aggregator.addChild(childNode);
+ if (childNode instanceof ContainerSchemaNode) {
+ final ContainerSchemaNode containerNode = (ContainerSchemaNode) childNode;
+ aggregator.addContainer(containerNode);
+ traverse(aggregator, containerNode);
+ } else if (childNode instanceof ListSchemaNode) {
+ final ListSchemaNode list = (ListSchemaNode) childNode;
+ aggregator.addList(list);
+ traverse(aggregator, list);
+ } else if (childNode instanceof ChoiceSchemaNode) {
+ final ChoiceSchemaNode choiceNode = (ChoiceSchemaNode) childNode;
+ aggregator.addChoice(choiceNode);
+ for (final CaseSchemaNode caseNode : choiceNode.getCases().values()) {
+ traverse(aggregator, caseNode);
+ }
+ }
+ }
+ }
+
+ aggregator.addTypedefs(dataNode.getTypeDefinitions());
+
+ traverseModule(aggregator, dataNode);
+ traverseGroupings(aggregator, dataNode);
+ }
+
+ private static void traverseModule(final DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
+ final Module module;
+ if (dataNode instanceof Module) {
+ module = (Module) dataNode;
+ } else {
+ return;
+ }
+
+ for (NotificationDefinition notificationDefinition : module.getNotifications()) {
+ traverse(aggregator, notificationDefinition);
+ }
+
+ for (RpcDefinition rpcDefinition : module.getRpcs()) {
+ aggregator.addTypedefs(rpcDefinition.getTypeDefinitions());
+ ContainerSchemaNode input = rpcDefinition.getInput();
+ if (input != null) {
+ traverse(aggregator, input);
+ }
+ ContainerSchemaNode output = rpcDefinition.getOutput();
+ if (output != null) {
+ traverse(aggregator, output);
+ }
+ }
+ }
+
+ private static void traverseGroupings(final DataNodeAggregator aggregator, final DataNodeContainer dataNode) {
+ final Set<GroupingDefinition> groupings = dataNode.getGroupings();
+ if (groupings != null) {
+ for (GroupingDefinition grouping : groupings) {
+ aggregator.addGrouping(grouping);
+ traverse(aggregator, grouping);
+ }
+ }
+ }
}
Code Review / yangtools.git / blobdiff