pce/src/main/java/org/opendaylight/transportpce/pce/gnpy/ServiceDataStoreOperationsImpl.java

   1 /*
   2  * Copyright © 2018 Orange, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.transportpce.pce.gnpy;
  10
  11 import com.google.common.collect.FluentIterable;
  12 import java.io.BufferedWriter;
  13 import java.io.FileWriter;
  14 import java.io.IOException;
  15 import java.io.StringWriter;
  16 import java.io.Writer;
  17 import java.nio.charset.StandardCharsets;
  18 import java.util.Collection;
  19 import java.util.Collections;
  20 import java.util.Optional;
  21 import org.eclipse.jdt.annotation.NonNull;
  22 import org.opendaylight.binding.runtime.spi.BindingRuntimeHelpers;
  23 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  24 import org.opendaylight.transportpce.common.DataStoreContext;
  25 import org.opendaylight.transportpce.common.converter.XMLDataObjectConverter;
  26 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
  27 import org.opendaylight.yang.gen.v1.gnpy.path.rev200202.Result;
  28 import org.opendaylight.yang.gen.v1.http.org.openroadm.device.rev170206.org.openroadm.device.container.OrgOpenroadmDevice;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
  32 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  33 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
  34 import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
  35 import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
  36 import org.opendaylight.yangtools.yang.data.codec.gson.JsonWriterFactory;
  37 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 @edu.umd.cs.findbugs.annotations.SuppressFBWarnings(
  43     value = "DLS_DEAD_LOCAL_STORE",
  44     justification = "FIXME aluminium migration pending: need to convert GNPy to BindingDOMCodecServices")
  45 public class ServiceDataStoreOperationsImpl implements ServiceDataStoreOperations {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(ServiceDataStoreOperationsImpl.class);
  48
  49     public ServiceDataStoreOperationsImpl(NetworkTransactionService networkTransactionService) {
  50     }
  51
  52     @Override
  53     public void createXMLFromDevice(DataStoreContext dataStoreContextUtil, OrgOpenroadmDevice device, String output)
  54         throws GnpyException {
  55
  56         if (device != null) {
  57             Optional<NormalizedNode<?, ?>> transformIntoNormalizedNode = null;
  58             XMLDataObjectConverter cwDsU = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil);
  59             transformIntoNormalizedNode = cwDsU.toNormalizedNodes(device, OrgOpenroadmDevice.class);
  60             if (!transformIntoNormalizedNode.isPresent()) {
  61                 throw new GnpyException(String.format(
  62                     "In ServiceDataStoreOperationsImpl: Cannot transform the device %s into normalized nodes",
  63                     device.toString()));
  64             }
  65             Writer writerFromDataObject =
  66                 cwDsU.writerFromDataObject(device, OrgOpenroadmDevice.class,cwDsU.dataContainer());
  67             try (BufferedWriter writer = new BufferedWriter(new FileWriter(output,StandardCharsets.UTF_8))) {
  68                 writer.write(writerFromDataObject.toString());
  69             } catch (IOException e) {
  70                 throw new GnpyException(
  71                     String.format("In ServiceDataStoreOperationsImpl : Bufferwriter error %s",e));
  72             }
  73             LOG.debug("GNPy: device xml : {}", writerFromDataObject);
  74         }
  75     }
  76
  77     @Override
  78     public String createJsonStringFromDataObject(final InstanceIdentifier<?> id, DataObject object)
  79         throws GnpyException, Exception {
  80
  81         final SchemaPath scPath = SchemaPath.create(FluentIterable
  82                 .from(id.getPathArguments())
  83                 .transform(input -> BindingReflections.findQName(input.getType())), true);
  84
  85         // Prepare the variables
  86         // Create the schema context
  87         Collection<? extends YangModuleInfo> moduleInfos = Collections.singleton(BindingReflections
  88                 .getModuleInfo(Result.class));
  89         @NonNull
  90         EffectiveModelContext schemaContext = BindingRuntimeHelpers.createEffectiveModel(moduleInfos);
  91
  92         /*
  93          * This function needs : - context - scPath.getParent() -
  94          * scPath.getLastComponent().getNamespace(), -
  95          * JsonWriterFactory.createJsonWriter(writer)
  96          */
  97         final Writer writer = new StringWriter();
  98
  99         try (NormalizedNodeStreamWriter domWriter = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
 100                 JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.createSimple(schemaContext),
 101                 scPath.getParent(), scPath.getLastComponent().getNamespace(),
 102                 JsonWriterFactory.createJsonWriter(writer, 2));) {
 103             // The write part
 104             //FIXME
 105             //codecRegistry.getSerializer(id.getTargetType()).serialize(object, codecRegistry.newWriter(id, domWriter));
 106         } catch (IOException e) {
 107             throw new GnpyException("In ServiceDataStoreOperationsImpl: exception during json file creation",e);
 108         }
 109         return writer.toString();
 110     }
 111
 112     // Write the json as a string in a file
 113     @Override
 114     public void writeStringFile(String jsonString, String fileName) throws GnpyException {
 115         try (FileWriter file = new FileWriter(fileName,StandardCharsets.UTF_8)) {
 116             file.write(jsonString);
 117         } catch (IOException e) {
 118             throw new GnpyException("In ServiceDataStoreOperationsImpl : exception during file writing",e);
 119         }
 120     }
 121 }