opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingToNormalizedNodeCodec.java

   1 /*
   2  * Copyright (c) 2014 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.controller.md.sal.binding.impl;
   9
  10 import java.util.AbstractMap.SimpleEntry;
  11 import java.util.Map.Entry;
  12
  13 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
  14 import org.opendaylight.yangtools.yang.binding.Augmentation;
  15 import org.opendaylight.yangtools.yang.binding.DataObject;
  16 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  18 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
  19 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
  20 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  21 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
  22 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  23 import org.opendaylight.yangtools.yang.data.impl.codec.BindingIndependentMappingService;
  24 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import com.google.common.collect.ImmutableList;
  31
  32 public class BindingToNormalizedNodeCodec implements SchemaContextListener {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(BindingToNormalizedNodeCodec.class);
  35
  36     private final BindingIndependentMappingService bindingToLegacy;
  37     private DataNormalizer legacyToNormalized;
  38
  39     public BindingToNormalizedNodeCodec(final BindingIndependentMappingService mappingService) {
  40         super();
  41         this.bindingToLegacy = mappingService;
  42     }
  43
  44     public org.opendaylight.yangtools.yang.data.api.InstanceIdentifier toNormalized(
  45             final InstanceIdentifier<? extends DataObject> binding) {
  46         return legacyToNormalized.toNormalized(bindingToLegacy.toDataDom(binding));
  47     }
  48
  49     public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
  50             final InstanceIdentifier<? extends DataObject> bindingPath, final DataObject bindingObject) {
  51         return toNormalizedNode(toEntry(bindingPath, bindingObject));
  52
  53     }
  54
  55     public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
  56             final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> binding) {
  57         Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalizedEntry = legacyToNormalized.toNormalized(bindingToLegacy.toDataDom(binding));
  58         if(Augmentation.class.isAssignableFrom(binding.getKey().getTargetType())) {
  59
  60             for(DataContainerChild<? extends PathArgument, ?> child : ((DataContainerNode<?>) normalizedEntry.getValue()).getValue()) {
  61                if(child instanceof AugmentationNode) {
  62                    ImmutableList<PathArgument> childArgs = ImmutableList.<PathArgument>builder()
  63                            .addAll(normalizedEntry.getKey().getPath())
  64                            .add(child.getIdentifier())
  65                            .build();
  66                    org.opendaylight.yangtools.yang.data.api.InstanceIdentifier childPath = new org.opendaylight.yangtools.yang.data.api.InstanceIdentifier(childArgs);
  67                    return new SimpleEntry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>>(childPath,child);
  68                }
  69             }
  70
  71         }
  72         return normalizedEntry;
  73
  74
  75     }
  76
  77     public InstanceIdentifier<? extends DataObject> toBinding(
  78             final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
  79             throws DeserializationException {
  80
  81         org.opendaylight.yangtools.yang.data.api.InstanceIdentifier legacyPath = legacyToNormalized
  82                 .toLegacy(normalized);
  83         return bindingToLegacy.fromDataDom(legacyPath);
  84     }
  85
  86     private static final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> toEntry(
  87             final org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject> key,
  88             final DataObject value) {
  89         return new SimpleEntry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject>(
  90                 key, value);
  91     }
  92
  93     public DataObject toBinding(final InstanceIdentifier<?> path, final NormalizedNode<?, ?> normalizedNode)
  94             throws DeserializationException {
  95         return bindingToLegacy.dataObjectFromDataDom(path, (CompositeNode) DataNormalizer.toLegacy(normalizedNode));
  96     }
  97
  98     public DataNormalizer getDataNormalizer() {
  99         return legacyToNormalized;
 100     }
 101
 102     public Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> toBinding(
 103             final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
 104             throws DeserializationException {
 105         InstanceIdentifier<? extends DataObject> bindingPath = toBinding(normalized.getKey());
 106         DataObject bindingData = toBinding(bindingPath, normalized.getValue());
 107         return toEntry(bindingPath, bindingData);
 108     }
 109
 110     @Override
 111     public void onGlobalContextUpdated(final SchemaContext arg0) {
 112         legacyToNormalized = new DataNormalizer(arg0);
 113     }
 114
 115 }