2 * Copyright © 2018 Orange, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.transportpce.pce.gnpy;
11 import com.google.common.base.Function;
12 import com.google.common.collect.FluentIterable;
14 import java.io.BufferedWriter;
15 import java.io.FileWriter;
16 import java.io.IOException;
17 import java.io.StringWriter;
18 import java.io.Writer;
19 import java.util.Collections;
20 import java.util.Optional;
22 import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
23 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
24 import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
25 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
26 import org.opendaylight.transportpce.common.DataStoreContext;
27 import org.opendaylight.transportpce.common.converter.XMLDataObjectConverter;
28 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
29 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
30 import org.opendaylight.yangtools.yang.binding.DataObject;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
33 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
34 import org.opendaylight.yangtools.yang.common.QName;
35 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
36 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
37 import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
38 import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
39 import org.opendaylight.yangtools.yang.data.codec.gson.JsonWriterFactory;
40 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
41 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
42 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
43 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
47 public class ServiceDataStoreOperationsImpl implements ServiceDataStoreOperations {
49 private static final Logger LOG = LoggerFactory.getLogger(ServiceDataStoreOperationsImpl.class);
51 public ServiceDataStoreOperationsImpl(NetworkTransactionService networkTransactionService) {
54 public void createXMLFromDevice(DataStoreContext dataStoreContextUtil, OrgOpenroadmDevice device, String output)
55 throws GnpyException {
58 Optional<NormalizedNode<?, ?>> transformIntoNormalizedNode = null;
59 XMLDataObjectConverter cwDsU = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil);
60 transformIntoNormalizedNode = cwDsU.toNormalizedNodes(device, OrgOpenroadmDevice.class);
61 if (!transformIntoNormalizedNode.isPresent()) {
62 throw new GnpyException(String.format(
63 "In ServiceDataStoreOperationsImpl: Cannot transform the device %s into normalized nodes",
66 Writer writerFromDataObject =
67 cwDsU.writerFromDataObject(device, OrgOpenroadmDevice.class,cwDsU.dataContainer());
69 BufferedWriter writer = new BufferedWriter(new FileWriter(output));
70 writer.write(writerFromDataObject.toString());
72 } catch (IOException e) {
73 throw new GnpyException(
74 String.format("In ServiceDataStoreOperationsImpl : Bufferwriter error"),e);
76 LOG.debug("GNPy: device xml : {}", writerFromDataObject.toString());
80 public String createJsonStringFromDataObject(final InstanceIdentifier<?> id, DataObject object)
81 throws GnpyException, Exception {
83 final SchemaPath scPath = SchemaPath
84 .create(FluentIterable.from(id.getPathArguments()).transform(new Function<PathArgument, QName>() {
86 public QName apply(final PathArgument input) {
87 return BindingReflections.findQName(input.getType());
90 final Writer writer = new StringWriter();
91 NormalizedNodeStreamWriter domWriter;
94 // Prepare the variables
95 final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
96 Iterable<? extends YangModuleInfo> moduleInfos = Collections
97 .singleton(BindingReflections.getModuleInfo(object.getClass()));
98 moduleContext.addModuleInfos(moduleInfos);
99 SchemaContext schemaContext = moduleContext.tryToCreateSchemaContext().get();
100 BindingRuntimeContext bindingContext;
101 bindingContext = BindingRuntimeContext.create(moduleContext, schemaContext);
102 final BindingNormalizedNodeCodecRegistry codecRegistry =
103 new BindingNormalizedNodeCodecRegistry(bindingContext);
106 * This function needs : - context - scPath.getParent() -
107 * scPath.getLastComponent().getNamespace(), -
108 * JsonWriterFactory.createJsonWriter(writer)
110 domWriter = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
111 JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.createSimple(schemaContext),
112 scPath.getParent(), scPath.getLastComponent().getNamespace(),
113 JsonWriterFactory.createJsonWriter(writer, 2));
115 codecRegistry.getSerializer(id.getTargetType()).serialize(object, codecRegistry.newWriter(id, domWriter));
118 } catch (IOException | YangSyntaxErrorException | ReactorException e) {
119 throw new GnpyException("In ServiceDataStoreOperationsImpl: exception during json file creation",e);
121 return writer.toString();
124 // Write the json as a string in a file
125 public void writeStringFile(String jsonString, String fileName) throws GnpyException {
127 FileWriter file = new FileWriter(fileName);
128 file.write(jsonString);
130 } catch (IOException e) {
131 throw new GnpyException("In ServiceDataStoreOperationsImpl : exception during file writing",e);