+++ /dev/null
-/*
- * Copyright (c) 2018 AT&T and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package io.fd.honeycomb.transportpce.binding.converter;
-
-import io.fd.honeycomb.transportpce.test.common.DataStoreContext;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.Reader;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.net.URISyntaxException;
-import java.util.Optional;
-
-import javax.annotation.Nonnull;
-import javax.xml.XMLConstants;
-import javax.xml.parsers.FactoryConfigurationError;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLOutputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-import javax.xml.stream.XMLStreamWriter;
-
-import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-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.codec.xml.XMLStreamNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xml.sax.SAXException;
-
-public final class XMLDataObjectConverter extends AbstractDataObjectConverter {
-
- private static final Logger LOG = LoggerFactory.getLogger(XMLDataObjectConverter.class);
-
- private final XMLInputFactory xmlInputFactory;
-
- /**
- * This is the default constructor, which should be used.
- *
- * @param schemaContext schema context for converter
- * @param codecRegistry codec registry used for converting
- *
- */
- private XMLDataObjectConverter(SchemaContext schemaContext, BindingNormalizedNodeSerializer codecRegistry) {
- super(schemaContext, codecRegistry);
- this.xmlInputFactory = XMLInputFactory.newInstance();
- }
-
- /**
- * Extract codec and schema context (?).
- *
- * @param dataStoreContextUtil datastore context util used to extract codec and schema context
- * @return {@link AbstractDataObjectConverter}
- */
- public static XMLDataObjectConverter createWithDataStoreUtil(@Nonnull DataStoreContext dataStoreContextUtil) {
- BindingNormalizedNodeSerializer bindingToNormalizedNodeCodec =
- dataStoreContextUtil.getBindingToNormalizedNodeCodec();
- return new XMLDataObjectConverter(dataStoreContextUtil.getSchemaContext(), bindingToNormalizedNodeCodec);
- }
-
- /**
- * Extract codec and schema context (?).
- *
- * @param schemaContext schema context for converter
- * @param codecRegistry codec registry used for converting
- * @return new {@link XMLDataObjectConverter}
- */
- public static XMLDataObjectConverter createWithSchemaContext(@Nonnull SchemaContext schemaContext,
- @Nonnull BindingNormalizedNodeSerializer codecRegistry) {
- return new XMLDataObjectConverter(schemaContext, codecRegistry);
- }
-
- /**
- * Transforms the XML input stream into normalized nodes.
- *
- * @param inputStream of the given XML
- * @return {@link Optional} instance of {@link NormalizedNode}.
- */
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull InputStream inputStream) {
- try {
- XMLStreamReader reader = this.xmlInputFactory.createXMLStreamReader(inputStream);
- return parseInputXML(reader);
- } catch (XMLStreamException e) {
- LOG.warn(e.getMessage(), e);
- return Optional.empty();
- }
- }
-
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull Reader inputReader, SchemaNode parentSchema) {
- try {
- XMLStreamReader reader = this.xmlInputFactory.createXMLStreamReader(inputReader);
- return parseInputXML(reader, parentSchema);
- } catch (XMLStreamException e) {
- LOG.warn(e.getMessage(), e);
- return Optional.empty();
- }
- }
-
- /**
- * Transforms the XML input stream into normalized nodes.
- *
- * @param inputReader of the given XML
- * @return {@link Optional} instance of {@link NormalizedNode}.
- */
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull Reader inputReader) {
- try {
- XMLStreamReader reader = this.xmlInputFactory.createXMLStreamReader(inputReader);
- return parseInputXML(reader);
- } catch (XMLStreamException e) {
- LOG.warn(e.getMessage(), e);
- return Optional.empty();
- }
- }
-
- @Override
- public <T extends DataObject> Writer writerFromRpcDataObject(@Nonnull DataObject object, Class<T> dataObjectClass,
- ConvertType<T> convertType, QName rpcOutputQName, String rpcName) {
- Writer writer = new StringWriter();
- XMLStreamWriter xmlStreamWriter = createXmlStreamWriter(writer);
- SchemaPath rpcOutputSchemaPath = SchemaPath.create(true, QName.create(rpcOutputQName.getModule(), rpcName),
- rpcOutputQName);
- try (NormalizedNodeWriter normalizedNodeWriter = createWriterBackedNormalizedNodeWriter(xmlStreamWriter,
- rpcOutputSchemaPath)) {
- xmlStreamWriter.writeStartElement(XMLConstants.DEFAULT_NS_PREFIX,
- rpcOutputQName.getLocalName(), rpcOutputQName.getNamespace().toString());
- xmlStreamWriter.writeDefaultNamespace(rpcOutputQName.getNamespace().toString());
- NormalizedNode<?, ?> rpcOutputNormalizedNode = convertType.toNormalizedNodes(dataObjectClass.cast(object),
- dataObjectClass).get();
- for (final NormalizedNode<?, ?> child : ((ContainerNode)rpcOutputNormalizedNode).getValue()) {
- normalizedNodeWriter.write(child);
- }
- normalizedNodeWriter.flush();
- xmlStreamWriter.writeEndElement();
- xmlStreamWriter.flush();
- } catch (IOException | XMLStreamException ioe) {
- throw new IllegalStateException(ioe);
- }
- return writer;
- }
-
- /**
- * Returns a {@link Writer}.
- *
- * @param convertType converter used of converting into normalized node
- * @param dataObjectClass class of converting object
- * @param object object you want to convert
- *
- */
- @Override
- public <T extends DataObject> Writer writerFromDataObject(@Nonnull DataObject object, Class<T> dataObjectClass,
- ConvertType<T> convertType) {
- Writer writer = new StringWriter();
-
- try (NormalizedNodeWriter normalizedNodeWriter = createWriterBackedNormalizedNodeWriter(writer, null)) {
- normalizedNodeWriter
- .write(convertType.toNormalizedNodes(dataObjectClass.cast(object), dataObjectClass).get());
- normalizedNodeWriter.flush();
- } catch (IOException ioe) {
- throw new IllegalStateException(ioe);
- }
- return writer;
- }
-
- private Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> parseInputXML(
- XMLStreamReader reader) {
- return parseInputXML(reader, getSchemaContext());
- }
-
- private Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> parseInputXML(
- XMLStreamReader reader, SchemaNode parentSchemaNode) {
- NormalizedNodeResult result = new NormalizedNodeResult();
- try (NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
- XmlParserStream xmlParser = XmlParserStream.create(streamWriter, getSchemaContext(), parentSchemaNode)) {
- xmlParser.parse(reader);
- } catch (XMLStreamException | URISyntaxException | IOException | ParserConfigurationException
- | SAXException e) {
- LOG.warn("An error {} occured during parsing XML input stream", e.getMessage(), e);
- return Optional.empty();
- }
- return Optional.ofNullable(result.getResult());
- }
-
- private NormalizedNodeWriter createWriterBackedNormalizedNodeWriter(Writer backingWriter, SchemaPath pathToParent) {
- XMLStreamWriter createXMLStreamWriter = createXmlStreamWriter(backingWriter);
- NormalizedNodeStreamWriter streamWriter;
- if (pathToParent == null) {
- streamWriter = XMLStreamNormalizedNodeStreamWriter.create(createXMLStreamWriter,
- getSchemaContext());
- } else {
- streamWriter = XMLStreamNormalizedNodeStreamWriter.create(createXMLStreamWriter,
- getSchemaContext(), pathToParent);
- }
- return NormalizedNodeWriter.forStreamWriter(streamWriter);
- }
-
- private NormalizedNodeWriter createWriterBackedNormalizedNodeWriter(XMLStreamWriter backingWriter,
- SchemaPath pathToParent) {
- NormalizedNodeStreamWriter streamWriter;
- if (pathToParent == null) {
- streamWriter = XMLStreamNormalizedNodeStreamWriter.create(backingWriter,
- getSchemaContext());
- } else {
- streamWriter = XMLStreamNormalizedNodeStreamWriter.create(backingWriter,
- getSchemaContext(), pathToParent);
- }
- return NormalizedNodeWriter.forStreamWriter(streamWriter);
- }
-
- private static XMLStreamWriter createXmlStreamWriter(Writer backingWriter) {
- XMLStreamWriter xmlStreamWriter;
- try {
- XMLOutputFactory factory = XMLOutputFactory.newFactory();
- factory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
- xmlStreamWriter = factory.createXMLStreamWriter(backingWriter);
- } catch (XMLStreamException | FactoryConfigurationError e) {
- LOG.error("Error [{}] while creating XML writer", e.getMessage(), e);
- throw new IllegalStateException(e);
- }
- return xmlStreamWriter;
- }
-}
Code Review / transportpce.git / blobdiff