netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/netconf/util/NetconfRpcStructureTransformer.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, 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 package org.opendaylight.netconf.sal.connect.netconf.util;
   9
  10 import java.io.IOException;
  11 import java.net.URISyntaxException;
  12 import java.util.Optional;
  13 import javax.xml.stream.XMLStreamException;
  14 import org.opendaylight.netconf.api.ModifyAction;
  15 import org.opendaylight.netconf.util.NetconfUtil;
  16 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContext;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.DOMSourceAnyxmlNode;
  19 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  20 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  21 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
  22 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 import org.xml.sax.SAXException;
  26
  27 /**
  28  * Transforms rpc structures to normalized nodes and vice versa.
  29  */
  30 class NetconfRpcStructureTransformer implements RpcStructureTransformer {
  31     private static final Logger LOG = LoggerFactory.getLogger(NetconfRpcStructureTransformer.class);
  32
  33     private final MountPointContext mountContext;
  34
  35     NetconfRpcStructureTransformer(final MountPointContext mountContext) {
  36         this.mountContext = mountContext;
  37     }
  38
  39     @Override
  40     public Optional<NormalizedNode<?, ?>> selectFromDataStructure(
  41             final DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> data,
  42             final YangInstanceIdentifier path) {
  43         if (data instanceof DOMSourceAnyxmlNode) {
  44             final NormalizedNodeResult node;
  45             try {
  46                 node = NetconfUtil.transformDOMSourceToNormalizedNode(mountContext,
  47                     ((DOMSourceAnyxmlNode)data).getValue());
  48                 return NormalizedNodes.findNode(node.getResult(), path.getPathArguments());
  49             } catch (final XMLStreamException | URISyntaxException | IOException | SAXException e) {
  50                 LOG.error("Cannot parse anyxml.", e);
  51                 return Optional.empty();
  52             }
  53         } else {
  54             return NormalizedNodes.findNode(data, path.getPathArguments());
  55         }
  56     }
  57
  58     @Override
  59     public DOMSourceAnyxmlNode createEditConfigStructure(final Optional<NormalizedNode<?, ?>> data,
  60                                                          final YangInstanceIdentifier dataPath,
  61                                                          final Optional<ModifyAction> operation) {
  62         // FIXME: propagate MountPointContext
  63         return NetconfMessageTransformUtil.createEditConfigAnyxml(mountContext.getSchemaContext(), dataPath, operation,
  64             data);
  65     }
  66
  67     @Override
  68     public DataContainerChild<?, ?> toFilterStructure(final YangInstanceIdentifier path) {
  69         // FIXME: propagate MountPointContext
  70         return NetconfMessageTransformUtil.toFilterStructure(path, mountContext.getSchemaContext());
  71     }
  72 }