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/*
* Copyright (c) 2014 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.netconf.sal.restconf.impl;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.schema.AnyxmlNode;
import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.MixinNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
import org.opendaylight.yangtools.yang.data.api.schema.UserMapNode;
import org.opendaylight.yangtools.yang.data.api.schema.builder.CollectionNodeBuilder;
import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
class NormalizedDataPrunner {
public DataContainerChild pruneDataAtDepth(final DataContainerChild node, final Integer depth) {
if (depth == null) {
return node;
}
if (node instanceof LeafNode || node instanceof LeafSetNode || node instanceof AnyxmlNode) {
return node;
} else if (node instanceof MixinNode) {
return processMixinNode(node, depth);
} else if (node instanceof DataContainerNode) {
return processContainerNode(node, depth);
}
throw new IllegalStateException("Unexpected Mixin node occured why pruning data to requested depth");
}
private DataContainerChild processMixinNode(final NormalizedNode node, final Integer depth) {
if (node instanceof AugmentationNode) {
return processAugmentationNode(node, depth);
} else if (node instanceof ChoiceNode) {
return processChoiceNode(node, depth);
} else if (node instanceof UserMapNode) {
return processOrderedMapNode(node, depth);
} else if (node instanceof MapNode) {
return processMapNode(node, depth);
} else if (node instanceof UnkeyedListNode) {
return processUnkeyedListNode(node, depth);
}
throw new IllegalStateException("Unexpected Mixin node occured why pruning data to requested depth");
}
private DataContainerChild processContainerNode(final NormalizedNode node, final Integer depth) {
final ContainerNode containerNode = (ContainerNode) node;
DataContainerNodeBuilder<NodeIdentifier, ContainerNode> newContainerBuilder = Builders.containerBuilder()
.withNodeIdentifier(containerNode.getIdentifier());
if (depth > 1) {
processDataContainerChild((DataContainerNode) node, depth, newContainerBuilder);
}
return newContainerBuilder.build();
}
private DataContainerChild processChoiceNode(final NormalizedNode node, final Integer depth) {
final ChoiceNode choiceNode = (ChoiceNode) node;
DataContainerNodeBuilder<NodeIdentifier, ChoiceNode> newChoiceBuilder = Builders.choiceBuilder()
.withNodeIdentifier(choiceNode.getIdentifier());
processDataContainerChild((DataContainerNode) node, depth, newChoiceBuilder);
return newChoiceBuilder.build();
}
private DataContainerChild processAugmentationNode(final NormalizedNode node, final Integer depth) {
final AugmentationNode augmentationNode = (AugmentationNode) node;
DataContainerNodeBuilder<AugmentationIdentifier, ? extends DataContainerChild> newAugmentationBuilder =
Builders.augmentationBuilder().withNodeIdentifier(augmentationNode.getIdentifier());
processDataContainerChild((DataContainerNode) node, depth, newAugmentationBuilder);
return newAugmentationBuilder.build();
}
private void processDataContainerChild(final DataContainerNode node, final Integer depth,
final DataContainerNodeBuilder<?, ?> newBuilder) {
for (DataContainerChild nodeValue : node.body()) {
newBuilder.withChild(pruneDataAtDepth(nodeValue, depth - 1));
}
}
private DataContainerChild processUnkeyedListNode(final NormalizedNode node, final Integer depth) {
CollectionNodeBuilder<UnkeyedListEntryNode, UnkeyedListNode> newUnkeyedListBuilder = Builders
.unkeyedListBuilder();
if (depth > 1) {
for (UnkeyedListEntryNode oldUnkeyedListEntry : ((UnkeyedListNode) node).body()) {
DataContainerNodeBuilder<NodeIdentifier, UnkeyedListEntryNode> newUnkeyedListEntry = Builders
.unkeyedListEntryBuilder().withNodeIdentifier(oldUnkeyedListEntry.getIdentifier());
for (DataContainerChild oldUnkeyedListEntryValue : oldUnkeyedListEntry.body()) {
newUnkeyedListEntry.withChild(pruneDataAtDepth(oldUnkeyedListEntryValue, depth - 1));
}
newUnkeyedListBuilder.addChild(newUnkeyedListEntry.build());
}
}
return newUnkeyedListBuilder.build();
}
private DataContainerChild processOrderedMapNode(final NormalizedNode node, final Integer depth) {
CollectionNodeBuilder<MapEntryNode, UserMapNode> newOrderedMapNodeBuilder = Builders.orderedMapBuilder();
processMapEntries(node, depth, newOrderedMapNodeBuilder);
return newOrderedMapNodeBuilder.build();
}
private DataContainerChild processMapNode(final NormalizedNode node, final Integer depth) {
CollectionNodeBuilder<MapEntryNode, SystemMapNode> newMapNodeBuilder = Builders.mapBuilder();
processMapEntries(node, depth, newMapNodeBuilder);
return newMapNodeBuilder.build();
}
private void processMapEntries(final NormalizedNode node, final Integer depth,
final CollectionNodeBuilder<MapEntryNode, ? extends MapNode> newOrderedMapNodeBuilder) {
if (depth > 1) {
for (MapEntryNode oldMapEntryNode : ((MapNode) node).body()) {
DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> newMapEntryNodeBuilder =
Builders.mapEntryBuilder().withNodeIdentifier(oldMapEntryNode.getIdentifier());
for (DataContainerChild mapEntryNodeValue : oldMapEntryNode.body()) {
newMapEntryNodeBuilder.withChild(pruneDataAtDepth(mapEntryNodeValue, depth - 1));
}
newOrderedMapNodeBuilder.withChild(newMapEntryNodeBuilder.build());
}
}
}
}
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