tests/honeynode/honeynode-plugin-impl/src/main/java/io/fd/honeycomb/transportpce/device/tools/DefaultNetconfFactory.java

   1 /*
   2  * Copyright (c) 2018 Orange and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package io.fd.honeycomb.transportpce.device.tools;
  17
  18 import io.fd.honeycomb.transportpce.binding.converter.XMLDataObjectConverter;
  19 import io.fd.honeycomb.transportpce.test.common.DataStoreContext;
  20
  21 import java.io.BufferedWriter;
  22 import java.io.ByteArrayInputStream;
  23 import java.io.File;
  24 import java.io.FileInputStream;
  25 import java.io.FileNotFoundException;
  26 import java.io.FileWriter;
  27 import java.io.IOException;
  28 import java.io.InputStream;
  29 import java.io.Writer;
  30 import java.util.Optional;
  31
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
  33 import org.opendaylight.yangtools.yang.binding.DataObject;
  34 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * Factory for creating the {@link Netconf} from the XML stored in
  40  * classpath.
  41  *
  42  * @author Martial COULIBALY ( martial.coulibaly@gfi.com ) on behalf of Orange
  43  */
  44 public class DefaultNetconfFactory {
  45
  46     private static final Logger LOG = LoggerFactory.getLogger(DefaultNetconfFactory.class);
  47
  48     /**
  49      * Returns a new instance of {@link Netconf} from the loaded XML stored
  50      * in File.
  51      *
  52      * @return {@link Netconf}
  53      */
  54     public Netconf createDefaultNetconf(DataStoreContext dataStoreContextUtil, File netconf_data_config) {
  55         Netconf result = null;
  56         if (netconf_data_config.exists()) {
  57             String config = netconf_data_config.getName();
  58             LOG.info("file '{}' exists at location : {}", config, netconf_data_config.getAbsolutePath());
  59             InputStream targetStream;
  60             try {
  61                 targetStream = new FileInputStream(netconf_data_config);
  62                 Optional<NormalizedNode<?, ?>> transformIntoNormalizedNode = null;
  63                 transformIntoNormalizedNode =
  64                         XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
  65                         .transformIntoNormalizedNode(targetStream);
  66                 if (!transformIntoNormalizedNode.isPresent()) {
  67                     throw new IllegalStateException(
  68                             String.format("Could not transform the input %s into normalized nodes",
  69                             config));
  70                 }
  71                 Optional<DataObject> dataObject = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
  72                         .getDataObject(transformIntoNormalizedNode.get(), Netconf.QNAME);
  73                 if (!dataObject.isPresent()) {
  74                     throw new IllegalStateException("Could not transform normalized nodes into data object");
  75                 }
  76                 result =  (Netconf) dataObject.get();
  77             } catch (FileNotFoundException | IllegalStateException e) {
  78                 LOG.error("File not found : {} at {}", e);
  79             }
  80         } else {
  81             LOG.info("netconf xml file not existed at : '{}'", netconf_data_config.getAbsolutePath());
  82         }
  83         return result;
  84     }
  85     /**
  86      * Returns a new instance of {@link Netconf} from the loaded XML stored
  87      * in String.
  88      *
  89      * @return {@link Netconf}
  90      */
  91     public Netconf createDefaultNetconf(DataStoreContext dataStoreContextUtil, String netconf_data_config) {
  92         Netconf result = null;
  93         if (netconf_data_config != null) {
  94             LOG.info("Netconf data config string is ok ");
  95             InputStream targetStream;
  96             targetStream = new ByteArrayInputStream(netconf_data_config.getBytes());
  97             Optional<NormalizedNode<?, ?>> transformIntoNormalizedNode = null;
  98             transformIntoNormalizedNode =
  99                     XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
 100                     .transformIntoNormalizedNode(targetStream);
 101             if (!transformIntoNormalizedNode.isPresent()) {
 102                 throw new IllegalStateException(
 103                         String.format("Could not transform the input %s into normalized nodes"));
 104             }
 105             Optional<DataObject> dataObject = XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
 106                     .getDataObject(transformIntoNormalizedNode.get(), Netconf.QNAME);
 107             if (!dataObject.isPresent()) {
 108                 throw new IllegalStateException("Could not transform normalized nodes into data object");
 109             }
 110             result =  (Netconf) dataObject.get();
 111         } else {
 112             LOG.info("netconf data config string is null!");
 113         }
 114         return result;
 115     }
 116
 117
 118     /**
 119      * create an XML String from an instance of {@link Netconf}.
 120      *
 121      */
 122     public void createXMLFromNetconf(DataStoreContext dataStoreContextUtil, Netconf netconf, String output) {
 123         if (netconf != null) {
 124             Optional<NormalizedNode<?, ?>> transformIntoNormalizedNode = null;
 125             transformIntoNormalizedNode =
 126                     XMLDataObjectConverter.createWithDataStoreUtil(dataStoreContextUtil)
 127                     .toNormalizedNodes(netconf, Netconf.class);
 128             if (!transformIntoNormalizedNode.isPresent()) {
 129                 throw new IllegalStateException(String.format("Could not transform the input %s into normalized nodes",
 130                         netconf));
 131             }
 132             XMLDataObjectConverter createWithDataStoreUtil = XMLDataObjectConverter
 133                     .createWithDataStoreUtil(dataStoreContextUtil);
 134             Writer writerFromDataObject =
 135                     createWithDataStoreUtil.writerFromDataObject(netconf, Netconf.class,
 136                             createWithDataStoreUtil.dataContainer());
 137             try {
 138                 BufferedWriter writer = new BufferedWriter(new FileWriter(output));
 139                 writer.write(writerFromDataObject.toString());
 140                 writer.close();
 141             } catch (IOException e) {
 142                 LOG.error("Bufferwriter error ");
 143             }
 144             LOG.info("netconf xml : {}", writerFromDataObject.toString());
 145         }
 146     }
 147 }