*/
package org.opendaylight.netconf.sal.connect.netconf.schema;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.GET_SCHEMA_QNAME;
import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_DATA_QNAME;
-import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.toId;
-import com.google.common.base.Charsets;
-import com.google.common.base.Function;
import com.google.common.base.MoreObjects;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
import java.io.ByteArrayInputStream;
-import java.io.IOException;
import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.Optional;
import javax.xml.transform.dom.DOMSource;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.mdsal.dom.api.DOMRpcService;
import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.Yang;
-import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.AnyXmlNode;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
import org.w3c.dom.Element;
public final class NetconfRemoteSchemaYangSourceProvider implements SchemaSourceProvider<YangTextSchemaSource> {
-
private static final Logger LOG = LoggerFactory.getLogger(NetconfRemoteSchemaYangSourceProvider.class);
-
- private static final ExceptionMapper<SchemaSourceException> MAPPER = new ExceptionMapper<SchemaSourceException>(
- "schemaDownload", SchemaSourceException.class) {
- @Override
- protected SchemaSourceException newWithCause(final String s, final Throwable throwable) {
- return new SchemaSourceException(s, throwable);
- }
- };
+ private static final NodeIdentifier FORMAT_PATHARG =
+ NodeIdentifier.create(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "format").intern());
+ private static final NodeIdentifier GET_SCHEMA_PATHARG =
+ NodeIdentifier.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME);
+ private static final NodeIdentifier IDENTIFIER_PATHARG =
+ NodeIdentifier.create(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "identifier").intern());
+ private static final NodeIdentifier VERSION_PATHARG =
+ NodeIdentifier.create(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "version").intern());
+ private static final LeafNode<?> FORMAT_LEAF =
+ Builders.leafBuilder().withNodeIdentifier(FORMAT_PATHARG).withValue(Yang.QNAME).build();
+ private static final QName NETCONF_DATA =
+ QName.create(GET_SCHEMA_QNAME, NETCONF_DATA_QNAME.getLocalName()).intern();
+ private static final NodeIdentifier NETCONF_DATA_PATHARG = NodeIdentifier.create(NETCONF_DATA);
private final DOMRpcService rpc;
private final RemoteDeviceId id;
public NetconfRemoteSchemaYangSourceProvider(final RemoteDeviceId id, final DOMRpcService rpc) {
this.id = id;
- this.rpc = Preconditions.checkNotNull(rpc);
+ this.rpc = requireNonNull(rpc);
}
public static ContainerNode createGetSchemaRequest(final String moduleName, final Optional<String> revision) {
- final QName identifierQName = QName.cachedReference(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "identifier"));
- final YangInstanceIdentifier.NodeIdentifier identifierId = new YangInstanceIdentifier.NodeIdentifier(identifierQName);
- final LeafNode<String> identifier = Builders.<String>leafBuilder().withNodeIdentifier(identifierId).withValue(moduleName).build();
-
- final QName formatQName = QName.cachedReference(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "format"));
- final YangInstanceIdentifier.NodeIdentifier formatId = new YangInstanceIdentifier.NodeIdentifier(formatQName);
- final LeafNode<QName> format = Builders.<QName>leafBuilder().withNodeIdentifier(formatId).withValue(Yang.QNAME).build();
-
- final DataContainerNodeAttrBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> builder = Builders.containerBuilder();
-
- builder.withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(NetconfMessageTransformUtil.GET_SCHEMA_QNAME))
- .withChild(identifier).withChild(format);
-
- if(revision.isPresent()) {
- final QName revisionQName = QName.cachedReference(QName.create(NetconfMessageTransformUtil.GET_SCHEMA_QNAME, "version"));
- final YangInstanceIdentifier.NodeIdentifier revisionId = new YangInstanceIdentifier.NodeIdentifier(revisionQName);
- final LeafNode<String> revisionNode = Builders.<String>leafBuilder().withNodeIdentifier(revisionId).withValue(revision.get()).build();
-
- builder.withChild(revisionNode);
+ final LeafNode<?> identifier =
+ Builders.leafBuilder().withNodeIdentifier(IDENTIFIER_PATHARG).withValue(moduleName).build();
+ final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> builder = Builders.containerBuilder()
+ .withNodeIdentifier(GET_SCHEMA_PATHARG).withChild(identifier).withChild(FORMAT_LEAF);
+
+ if (revision.isPresent()) {
+ builder.withChild(Builders.leafBuilder()
+ .withNodeIdentifier(VERSION_PATHARG).withValue(revision.get()).build());
}
return builder.build();
private static Optional<String> getSchemaFromRpc(final RemoteDeviceId id, final NormalizedNode<?, ?> result) {
if (result == null) {
- return Optional.absent();
+ return Optional.empty();
}
- final QName schemaWrapperNode = QName.cachedReference(QName.create(GET_SCHEMA_QNAME, NETCONF_DATA_QNAME.getLocalName()));
- final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> child = ((ContainerNode) result).getChild(toId(schemaWrapperNode));
-
- Preconditions.checkState(child.isPresent() && child.get() instanceof AnyXmlNode,
+ final Optional<DataContainerChild<?, ?>> child = ((ContainerNode) result).getChild(NETCONF_DATA_PATHARG);
+ checkState(child.isPresent() && child.get() instanceof AnyXmlNode,
"%s Unexpected response to get-schema, expected response with one child %s, but was %s", id,
- schemaWrapperNode, result);
+ NETCONF_DATA, result);
final DOMSource wrappedNode = ((AnyXmlNode) child.get()).getValue();
- Preconditions.checkNotNull(wrappedNode.getNode());
- final Element dataNode = (Element) wrappedNode.getNode();
+ final Element dataNode = (Element) requireNonNull(wrappedNode.getNode());
return Optional.of(dataNode.getTextContent().trim());
}
@Override
- public CheckedFuture<YangTextSchemaSource, SchemaSourceException> getSource(final SourceIdentifier sourceIdentifier) {
+ public ListenableFuture<YangTextSchemaSource> getSource(final SourceIdentifier sourceIdentifier) {
final String moduleName = sourceIdentifier.getName();
- // If formatted revision is SourceIdentifier.NOT_PRESENT_FORMATTED_REVISION, we have to omit it from request
- final String formattedRevision = sourceIdentifier.getRevision().equals(SourceIdentifier.NOT_PRESENT_FORMATTED_REVISION) ? null : sourceIdentifier.getRevision();
- final Optional<String> revision = Optional.fromNullable(formattedRevision);
+ final Optional<String> revision = sourceIdentifier.getRevision().map(Revision::toString);
final NormalizedNode<?, ?> getSchemaRequest = createGetSchemaRequest(moduleName, revision);
-
- LOG.trace("{}: Loading YANG schema source for {}:{}", id, moduleName,
- revision);
-
- final ListenableFuture<YangTextSchemaSource> transformed = Futures.transform(
- rpc.invokeRpc(SchemaPath.create(true, NetconfMessageTransformUtil.GET_SCHEMA_QNAME), getSchemaRequest),
- new ResultToYangSourceTransformer(id, sourceIdentifier, moduleName, revision));
-
- final CheckedFuture<YangTextSchemaSource, SchemaSourceException> checked = Futures.makeChecked(transformed, MAPPER);
-
- return checked;
- }
-
- /**
- * Transform composite node to string schema representation and then to ASTSchemaSource
- */
- private static final class ResultToYangSourceTransformer implements
- Function<DOMRpcResult, YangTextSchemaSource> {
-
- private final RemoteDeviceId id;
- private final SourceIdentifier sourceIdentifier;
- private final String moduleName;
- private final Optional<String> revision;
-
- public ResultToYangSourceTransformer(final RemoteDeviceId id, final SourceIdentifier sourceIdentifier,
- final String moduleName, final Optional<String> revision) {
- this.id = id;
- this.sourceIdentifier = sourceIdentifier;
- this.moduleName = moduleName;
- this.revision = revision;
- }
-
- @Override
- public YangTextSchemaSource apply(final DOMRpcResult input) {
-
- if (input.getErrors().isEmpty()) {
-
- final Optional<String> schemaString = getSchemaFromRpc(id, input.getResult());
-
- Preconditions.checkState(schemaString.isPresent(),
- "%s: Unexpected response to get-schema, schema not present in message for: %s", id, sourceIdentifier);
-
- LOG.debug("{}: YANG Schema successfully retrieved for {}:{}",
- id, moduleName, revision);
- return new NetconfYangTextSchemaSource(id, sourceIdentifier, schemaString);
- }
-
- LOG.warn(
- "{}: YANG schema was not successfully retrieved for {}. Errors: {}",
- id, sourceIdentifier, input.getErrors());
-
- throw new IllegalStateException(String.format(
+ LOG.trace("{}: Loading YANG schema source for {}:{}", id, moduleName, revision);
+ return Futures.transform(
+ rpc.invokeRpc(SchemaPath.create(true, NetconfMessageTransformUtil.GET_SCHEMA_QNAME), getSchemaRequest),
+ input -> {
+ // Transform composite node to string schema representation and then to ASTSchemaSource.
+ if (input.getErrors().isEmpty()) {
+ final Optional<String> schemaString = getSchemaFromRpc(id, input.getResult());
+ checkState(schemaString.isPresent(),
+ "%s: Unexpected response to get-schema, schema not present in message for: %s", id,
+ sourceIdentifier);
+ LOG.debug("{}: YANG Schema successfully retrieved for {}:{}", id, moduleName, revision);
+ return new NetconfYangTextSchemaSource(id, sourceIdentifier, schemaString);
+ }
+
+ LOG.warn("{}: YANG schema was not successfully retrieved for {}. Errors: {}", id, sourceIdentifier,
+ input.getErrors());
+ throw new IllegalStateException(String.format(
"%s: YANG schema was not successfully retrieved for %s. Errors: %s", id, sourceIdentifier,
input.getErrors()));
- }
-
+ }, MoreExecutors.directExecutor());
}
static class NetconfYangTextSchemaSource extends YangTextSchemaSource {
private final RemoteDeviceId id;
private final Optional<String> schemaString;
- public NetconfYangTextSchemaSource(final RemoteDeviceId id, final SourceIdentifier sId, final Optional<String> schemaString) {
- super(sId);
+ NetconfYangTextSchemaSource(final RemoteDeviceId id, final SourceIdentifier sourceIdentifier,
+ final Optional<String> schemaString) {
+ super(sourceIdentifier);
this.id = id;
this.schemaString = schemaString;
}
}
@Override
- public InputStream openStream() throws IOException {
- return new ByteArrayInputStream(schemaString.get().getBytes(Charsets.UTF_8));
+ public InputStream openStream() {
+ return new ByteArrayInputStream(schemaString.get().getBytes(StandardCharsets.UTF_8));
}
}
}