+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.mdsal.binding.dom.adapter;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Maps;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
+import org.opendaylight.mdsal.binding.api.DataTreeListener;
+import org.opendaylight.mdsal.binding.api.DataTreeListeningException;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeListeningException;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+
+public class BindingDOMDataTreeListenerAdapter implements DOMDataTreeListener {
+
+ private final DataTreeListener delegate;
+ private final BindingToNormalizedNodeCodec codec;
+ private final LogicalDatastoreType store;
+
+
+ protected BindingDOMDataTreeListenerAdapter(final DataTreeListener delegate,
+ final BindingToNormalizedNodeCodec codec, final LogicalDatastoreType store) {
+ this.delegate = Preconditions.checkNotNull(delegate, "delegate");
+ this.codec = Preconditions.checkNotNull(codec, "codec");
+ this.store = Preconditions.checkNotNull(store, "store");
+ }
+
+ @Override
+ public void onDataTreeChanged(final Collection<DataTreeCandidate> domChanges,
+ final Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>> domSubtrees) {
+
+ final Collection<DataTreeModification<?>> changes = toBinding(domChanges);
+ final Map<DataTreeIdentifier<?>, DataObject> subtrees = toBinding(domSubtrees);
+
+ delegate.onDataTreeChanged(changes, subtrees);
+ }
+
+ private Map<DataTreeIdentifier<?>, DataObject> toBinding(
+ final Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>> domSubtrees) {
+ // FIXME: Introduce lazy translating map
+ final Map<DataTreeIdentifier<?>, DataObject> ret = Maps.newHashMapWithExpectedSize(domSubtrees.size());
+ for (final Entry<DOMDataTreeIdentifier, NormalizedNode<?, ?>> domEntry : domSubtrees.entrySet()) {
+ final Entry<InstanceIdentifier<?>, DataObject> bindingEntry =
+ codec.fromNormalizedNode(domEntry.getKey().getRootIdentifier(), domEntry.getValue());
+ ret.put(new DataTreeIdentifier<>(store, bindingEntry.getKey()), bindingEntry.getValue());
+ }
+ return ret;
+ }
+
+ @SuppressWarnings("unchecked")
+ private Collection<DataTreeModification<?>> toBinding(final Collection<DataTreeCandidate> domChanges) {
+ return Collection.class.cast(LazyDataTreeModification.from(codec, domChanges, store));
+ }
+
+ @Override
+ public void onDataTreeFailed(final Collection<DOMDataTreeListeningException> causes) {
+ List<DataTreeListeningException> bindingCauses = new ArrayList<>(causes.size());
+ for (DOMDataTreeListeningException cause : causes) {
+ bindingCauses.add(mapException(cause));
+ }
+
+ delegate.onDataTreeFailed(bindingCauses);
+ }
+
+ private DataTreeListeningException mapException(DOMDataTreeListeningException cause) {
+ // FIXME: Extend logic
+ return new DataTreeListeningException(cause.getMessage(), cause);
+ }
+}