* 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.netconf.mdsal.connector.ops.get;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Throwables;
import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
import java.io.IOException;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.Collections;
+import java.util.Optional;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.dom.DOMResult;
-import org.opendaylight.controller.config.util.xml.DocumentedException;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorSeverity;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorTag;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorType;
-import org.opendaylight.controller.config.util.xml.XmlElement;
+import org.opendaylight.netconf.api.DocumentedException;
+import org.opendaylight.netconf.api.DocumentedException.ErrorSeverity;
+import org.opendaylight.netconf.api.DocumentedException.ErrorTag;
+import org.opendaylight.netconf.api.DocumentedException.ErrorType;
+import org.opendaylight.netconf.api.xml.XmlElement;
import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
import org.opendaylight.netconf.mdsal.connector.CurrentSchemaContext;
import org.opendaylight.netconf.mdsal.connector.ops.Datastore;
import org.opendaylight.netconf.util.mapping.AbstractSingletonNetconfOperation;
-import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
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.DataContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
-import org.opendaylight.yangtools.yang.data.impl.codec.xml.XMLStreamNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.codec.xml.XMLStreamNormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
-import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
public abstract class AbstractGet extends AbstractSingletonNetconfOperation {
+ private static final XMLOutputFactory XML_OUTPUT_FACTORY;
+ private static final YangInstanceIdentifier ROOT = YangInstanceIdentifier.EMPTY;
+ private static final String FILTER = "filter";
- private static final Logger LOG = LoggerFactory.getLogger(AbstractGet.class);
+ static {
+ XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
+ XML_OUTPUT_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
+ }
- protected static final String FILTER = "filter";
- static final YangInstanceIdentifier ROOT = YangInstanceIdentifier.builder().build();
protected final CurrentSchemaContext schemaContext;
+ private final FilterContentValidator validator;
public AbstractGet(final String netconfSessionIdForReporting, final CurrentSchemaContext schemaContext) {
super(netconfSessionIdForReporting);
this.schemaContext = schemaContext;
+ this.validator = new FilterContentValidator(schemaContext);
}
- private static final XMLOutputFactory XML_OUTPUT_FACTORY;
-
- static {
- XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
- XML_OUTPUT_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
- }
-
- protected Node transformNormalizedNode(final Document document, final NormalizedNode<?, ?> data, final YangInstanceIdentifier dataRoot) {
+ protected Node transformNormalizedNode(final Document document, final NormalizedNode<?, ?> data,
+ final YangInstanceIdentifier dataRoot) {
final DOMResult result = new DOMResult(document.createElement(XmlNetconfConstants.DATA_KEY));
final NormalizedNodeWriter nnWriter = NormalizedNodeWriter.forStreamWriter(nnStreamWriter, true);
- writeRootElement(xmlWriter, nnWriter, (ContainerNode) data);
+ if (data instanceof ContainerNode) {
+ writeRootElement(xmlWriter, nnWriter, (ContainerNode) data);
+ } else if (data instanceof MapNode) {
+ writeRootElement(xmlWriter, nnWriter, (MapNode) data);
+ } else {
+ throw new IllegalArgumentException("Unable to transform node of type: " + data.getClass().toString()
+ + " offending node: " + data.toString());
+ }
+
return result.getNode();
}
-
- private XMLStreamWriter getXmlStreamWriter(final DOMResult result) {
+ private static XMLStreamWriter getXmlStreamWriter(final DOMResult result) {
try {
return XML_OUTPUT_FACTORY.createXMLStreamWriter(result);
} catch (final XMLStreamException e) {
}
}
- private static final Function<PathArgument, QName> PATH_ARG_TO_QNAME = new Function<YangInstanceIdentifier.PathArgument, QName>() {
- @Override
- public QName apply(final YangInstanceIdentifier.PathArgument input) {
- return input.getNodeType();
- }
- };
-
- private SchemaPath getSchemaPath(final YangInstanceIdentifier dataRoot) {
- return SchemaPath.create(Iterables.transform(dataRoot.getPathArguments(), PATH_ARG_TO_QNAME), dataRoot.equals(ROOT));
+ private static SchemaPath getSchemaPath(final YangInstanceIdentifier dataRoot) {
+ return SchemaPath.create(
+ Iterables.transform(dataRoot.getPathArguments(), PathArgument::getNodeType), dataRoot.equals(ROOT));
}
- // TODO this code is located in Restconf already
- private void writeRootElement(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter, final ContainerNode data) {
+ private static void writeRootElement(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter,
+ final ContainerNode data) {
try {
if (data.getNodeType().equals(SchemaContext.NAME)) {
for (final DataContainerChild<? extends PathArgument, ?> child : data.getValue()) {
nnWriter.flush();
xmlWriter.flush();
} catch (XMLStreamException | IOException e) {
- Throwables.propagate(e);
+ throw new RuntimeException(e);
}
}
- private DataSchemaNode getSchemaNodeFromNamespace(final XmlElement element) throws DocumentedException {
-
+ private static void writeRootElement(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter,
+ final MapNode data) {
try {
- final Module module = schemaContext.getCurrentContext().findModuleByNamespaceAndRevision(new URI(element.getNamespace()), null);
- DataSchemaNode dataSchemaNode = module.getDataChildByName(element.getName());
- if (dataSchemaNode != null) {
- return dataSchemaNode;
+ if (data.getNodeType().equals(SchemaContext.NAME)) {
+ for (final MapEntryNode child : data.getValue()) {
+ nnWriter.write(child);
+ }
+ } else {
+ nnWriter.write(data);
}
- } catch (URISyntaxException e) {
- LOG.debug("Error during parsing of element namespace, this should not happen since namespace of an xml " +
- "element is valid and if the xml was parsed then the URI should be as well");
- throw new IllegalArgumentException("Unable to parse element namespace, this should not happen since " +
- "namespace of an xml element is valid and if the xml was parsed then the URI should be as well");
+ nnWriter.flush();
+ xmlWriter.flush();
+ } catch (XMLStreamException | IOException e) {
+ throw new RuntimeException(e);
}
- throw new DocumentedException("Unable to find node with namespace: " + element.getNamespace() + "in schema context: " + schemaContext.getCurrentContext().toString(),
- ErrorType.application,
- ErrorTag.unknown_namespace,
- ErrorSeverity.error);
}
- protected Element serializeNodeWithParentStructure(Document document, YangInstanceIdentifier dataRoot, NormalizedNode node) {
+ protected Element serializeNodeWithParentStructure(final Document document, final YangInstanceIdentifier dataRoot,
+ final NormalizedNode<?, ?> node) {
if (!dataRoot.equals(ROOT)) {
return (Element) transformNormalizedNode(document,
ImmutableNodes.fromInstanceId(schemaContext.getCurrentContext(), dataRoot, node),
ROOT);
}
- return (Element) transformNormalizedNode(document, node, ROOT);
+ return (Element) transformNormalizedNode(document, node, ROOT);
}
/**
+ * Obtain data root according to filter from operation element.
*
* @param operationElement operation element
- * @return if Filter is present and not empty returns Optional of the InstanceIdentifier to the read location in datastore.
- * empty filter returns Optional.absent() which should equal an empty <data/> container in the response.
- * if filter is not present we want to read the entire datastore - return ROOT.
- * @throws DocumentedException
+ * @return if filter is present and not empty returns Optional of the InstanceIdentifier to the read location
+ * in datastore. Empty filter returns Optional.absent() which should equal an empty <data/>
+ * container in the response. If filter is not present we want to read the entire datastore - return ROOT.
+ * @throws DocumentedException if not possible to get identifier from filter
*/
- protected Optional<YangInstanceIdentifier> getDataRootFromFilter(XmlElement operationElement) throws DocumentedException {
- Optional<XmlElement> filterElement = operationElement.getOnlyChildElementOptionally(FILTER);
+ protected Optional<YangInstanceIdentifier> getDataRootFromFilter(final XmlElement operationElement)
+ throws DocumentedException {
+ final Optional<XmlElement> filterElement = operationElement.getOnlyChildElementOptionally(FILTER);
if (filterElement.isPresent()) {
if (filterElement.get().getChildElements().size() == 0) {
- return Optional.absent();
+ return Optional.empty();
}
return Optional.of(getInstanceIdentifierFromFilter(filterElement.get()));
- } else {
- return Optional.of(ROOT);
}
+
+ return Optional.of(ROOT);
}
@VisibleForTesting
- protected YangInstanceIdentifier getInstanceIdentifierFromFilter(XmlElement filterElement) throws DocumentedException {
+ protected YangInstanceIdentifier getInstanceIdentifierFromFilter(final XmlElement filterElement)
+ throws DocumentedException {
if (filterElement.getChildElements().size() != 1) {
throw new DocumentedException("Multiple filter roots not supported yet",
- ErrorType.application, ErrorTag.operation_not_supported, ErrorSeverity.error);
+ ErrorType.APPLICATION, ErrorTag.OPERATION_NOT_SUPPORTED, ErrorSeverity.ERROR);
}
- XmlElement element = filterElement.getOnlyChildElement();
- DataSchemaNode schemaNode = getSchemaNodeFromNamespace(element);
-
- return getReadPointFromNode(YangInstanceIdentifier.builder().build(), filterToNormalizedNode(element, schemaNode));
- }
-
- private YangInstanceIdentifier getReadPointFromNode(final YangInstanceIdentifier pathArg, final NormalizedNode nNode) {
- final YangInstanceIdentifier path = pathArg.node(nNode.getIdentifier());
- if (nNode instanceof DataContainerNode) {
- DataContainerNode node = (DataContainerNode) nNode;
- if (node.getValue().size() == 1) {
- return getReadPointFromNode(path, (NormalizedNode) Lists.newArrayList(node.getValue()).get(0));
- }
- }
- return path;
- }
-
- private NormalizedNode filterToNormalizedNode(XmlElement element, DataSchemaNode schemaNode) throws DocumentedException {
- DomToNormalizedNodeParserFactory parserFactory = DomToNormalizedNodeParserFactory
- .getInstance(DomUtils.defaultValueCodecProvider(), schemaContext.getCurrentContext());
-
- final NormalizedNode parsedNode;
-
- if (schemaNode instanceof ContainerSchemaNode) {
- parsedNode = parserFactory.getContainerNodeParser().parse(Collections.singletonList(element.getDomElement()), (ContainerSchemaNode) schemaNode);
- } else if (schemaNode instanceof ListSchemaNode) {
- parsedNode = parserFactory.getMapNodeParser().parse(Collections.singletonList(element.getDomElement()), (ListSchemaNode) schemaNode);
- } else {
- throw new DocumentedException("Schema node of the top level element is not an instance of container or list",
- ErrorType.application, ErrorTag.unknown_element, ErrorSeverity.error);
- }
- return parsedNode;
+ final XmlElement element = filterElement.getOnlyChildElement();
+ return validator.validate(element);
}
protected static final class GetConfigExecution {
-
private final Optional<Datastore> datastore;
- public GetConfigExecution(final Optional<Datastore> datastore) {
- this.datastore = datastore;
- }
- public Optional<Datastore> getDatastore() {
- return datastore;
+ GetConfigExecution(final Optional<Datastore> datastore) {
+ this.datastore = datastore;
}
static GetConfigExecution fromXml(final XmlElement xml, final String operationName) throws DocumentedException {
try {
validateInputRpc(xml, operationName);
} catch (final DocumentedException e) {
- throw new DocumentedException("Incorrect RPC: " + e.getMessage(), e.getErrorType(), e.getErrorTag(), e.getErrorSeverity(), e.getErrorInfo());
+ throw new DocumentedException("Incorrect RPC: " + e.getMessage(), e, e.getErrorType(), e.getErrorTag(),
+ e.getErrorSeverity(), e.getErrorInfo());
}
final Optional<Datastore> sourceDatastore;
try {
sourceDatastore = parseSource(xml);
} catch (final DocumentedException e) {
- throw new DocumentedException("Get-config source attribute error: " + e.getMessage(), e.getErrorType(), e.getErrorTag(), e.getErrorSeverity(), e.getErrorInfo());
+ throw new DocumentedException("Get-config source attribute error: " + e.getMessage(), e,
+ e.getErrorType(), e.getErrorTag(), e.getErrorSeverity(), e.getErrorInfo());
}
return new GetConfigExecution(sourceDatastore);
private static Optional<Datastore> parseSource(final XmlElement xml) throws DocumentedException {
final Optional<XmlElement> sourceElement = xml.getOnlyChildElementOptionally(XmlNetconfConstants.SOURCE_KEY,
XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
-
- return sourceElement.isPresent() ?
- Optional.of(Datastore.valueOf(sourceElement.get().getOnlyChildElement().getName())) : Optional.<Datastore>absent();
+ return sourceElement.isPresent()
+ ? Optional.of(Datastore.valueOf(sourceElement.get().getOnlyChildElement().getName()))
+ : Optional.empty();
}
- private static void validateInputRpc(final XmlElement xml, String operationName) throws DocumentedException{
+ private static void validateInputRpc(final XmlElement xml, final String operationName) throws
+ DocumentedException {
xml.checkName(operationName);
xml.checkNamespace(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0);
}
+ public Optional<Datastore> getDatastore() {
+ return datastore;
+ }
+
}
}