+++ /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 com.google.gson.stream.JsonReader;
-import com.google.gson.stream.JsonWriter;
-
-import io.fd.honeycomb.transportpce.binding.converter.api.DataObjectConverter;
-import io.fd.honeycomb.transportpce.test.common.DataStoreContext;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.Reader;
-import java.io.StringWriter;
-import java.io.Writer;
-import java.util.Optional;
-
-import javax.annotation.Nonnull;
-import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
-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.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.gson.JSONCodecFactory;
-import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
-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.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public final class JSONDataObjectConverter extends AbstractDataObjectConverter {
-
- private static final Logger LOG = LoggerFactory.getLogger(JSONDataObjectConverter.class);
-
- private JSONDataObjectConverter(SchemaContext schemaContext, BindingNormalizedNodeCodecRegistry codecRegistry) {
- super(schemaContext, codecRegistry);
- }
-
- /**
- * extracts codec and schema context (?).
- *
- * @param dataStoreContextUtil datastore context util used to extract codec and schema context
- * @return {@link AbstractDataObjectConverter}
- */
- public static DataObjectConverter createWithDataStoreUtil(@Nonnull DataStoreContext dataStoreContextUtil) {
- return new JSONDataObjectConverter(dataStoreContextUtil.getSchemaContext(),
- dataStoreContextUtil.getBindingToNormalizedNodeCodec());
- }
-
- /**
- * extracts codec and schema context (?).
- *
- * @param schemaContext schema context for converter
- * @param codecRegistry codec registry used for converting
- * @return converter
- */
- public static DataObjectConverter createWithSchemaContext(@Nonnull SchemaContext schemaContext,
- @Nonnull BindingNormalizedNodeCodecRegistry codecRegistry) {
- return new JSONDataObjectConverter(schemaContext, codecRegistry);
- }
-
- /**
- * Transforms the JSON input stream into normalized nodes.
- *
- * @param inputStream of the given JSON
- * @return {@link Optional} instance of {@link NormalizedNode}.
- */
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull InputStream inputStream) {
- try {
- JsonReader reader = new JsonReader(new InputStreamReader(inputStream, "UTF-8"));
- return parseInputJSON(reader);
- } catch (IOException e) {
- LOG.warn(e.getMessage(), e);
- return Optional.empty();
- }
- }
-
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull Reader inputReader, SchemaNode parentSchema) {
- throw new UnsupportedOperationException("Not Implemented yet");
- }
-
- @Override
- public Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> transformIntoNormalizedNode(
- @Nonnull Reader inputReader) {
- JsonReader reader = new JsonReader(inputReader);
- return parseInputJSON(reader);
- }
-
- @Override
- public <T extends DataObject> Writer writerFromDataObject(@Nonnull DataObject object, Class<T> dataObjectClass,
- ConvertType<T> convertType) {
- Writer writer = new StringWriter();
- JsonWriter jsonWriter = new JsonWriter(writer);
- JSONCodecFactory jsonCodecFactory = JSONCodecFactory.createLazy(getSchemaContext());
- NormalizedNodeStreamWriter create =
- JSONNormalizedNodeStreamWriter.createExclusiveWriter(jsonCodecFactory, null, null, jsonWriter);
-
- try (NormalizedNodeWriter normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(create);) {
- normalizedNodeWriter
- .write(convertType.toNormalizedNodes(dataObjectClass.cast(object), dataObjectClass).get());
- } catch (IOException ioe) {
- throw new IllegalStateException(ioe);
- }
- return writer;
- }
-
- @Override
- public <T extends DataObject> Writer writerFromRpcDataObject(@Nonnull DataObject object, Class<T> dataObjectClass,
- ConvertType<T> convertType, QName rpcOutputQName, String rpcName) {
- return null;
- }
-
- /**
- * Parses the input json with concrete implementation of {@link JsonParserStream}.
- *
- * @param reader of the given JSON
- *
- */
- private Optional<NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?>> parseInputJSON(
- JsonReader reader) {
- NormalizedNodeResult result = new NormalizedNodeResult();
- try (NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
- JsonParserStream jsonParser = JsonParserStream.create(streamWriter, getSchemaContext(),
- getSchemaContext())) {
- jsonParser.parse(reader);
- } catch (IOException e) {
- LOG.warn("An error {} occured during parsing Json input stream", e.getMessage(), e);
- return Optional.empty();
- }
- return Optional.ofNullable(result.getResult());
- }
-
-}
Code Review / transportpce.git / blobdiff