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diff --git a/infra/test-utils/test-tools/src/main/java/io/fd/honeycomb/test/tools/ContainerNodeDataProcessor.java b/infra/test-utils/test-tools/src/main/java/io/fd/honeycomb/test/tools/ContainerNodeDataProcessor.java
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+++ b/infra/test-utils/test-tools/src/main/java/io/fd/honeycomb/test/tools/ContainerNodeDataProcessor.java
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+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.test.tools;
+
+import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
+import org.opendaylight.yangtools.yang.binding.Augmentation;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.Identifiable;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nonnull;
+import java.io.InputStream;
+
+import static com.google.common.base.Preconditions.checkState;
+import static io.fd.honeycomb.translate.util.JsonUtils.readContainerEntryJson;
+import static io.fd.honeycomb.translate.util.JsonUtils.readJson;
+
+final class ContainerNodeDataProcessor extends AbstractYangContextHolder implements YangDataProcessor {
+
+ private static final Logger LOG = LoggerFactory.getLogger(ContainerNodeDataProcessor.class);
+
+ ContainerNodeDataProcessor(@Nonnull SchemaContext schemaContext, @Nonnull BindingToNormalizedNodeCodec serializer) {
+ super(schemaContext, serializer);
+ }
+
+ @Nonnull
+ @Override
+ public DataObject getNodeData(@Nonnull YangInstanceIdentifier yangInstanceIdentifier, @Nonnull String resourcePath) {
+
+ final InputStream resourceStream = this.getClass().getResourceAsStream(resourcePath);
+ final YangInstanceIdentifier nodeParent = getNodeParent(yangInstanceIdentifier).orElse(null);
+ final SchemaNode parentSchema = parentSchema(schemaContext(), serializer(), nodeParent, () -> LOG);
+
+ // to be able to process containers in root of model
+ if (isRoot(yangInstanceIdentifier)) {
+ // if root ,read as root
+ final ContainerNode data = readJson(schemaContext(), resourceStream, parentSchema);
+ checkState(data.getValue().size() == 1, "Single root expected in %s", resourcePath);
+ //then extracts first child
+ final QName rootNodeType = data.getValue().iterator().next().getNodeType();
+ final YangInstanceIdentifier realIdentifier = YangInstanceIdentifier.of(rootNodeType);
+ return nodeBinding(serializer(), realIdentifier, data).getValue();
+ } else {
+ // reads just container
+ final YangInstanceIdentifier.NodeIdentifier nodeIdentifier = containerNodeIdentifier(yangInstanceIdentifier);
+ final ContainerNode data = readContainerEntryJson(schemaContext(), resourceStream, parentSchema, nodeIdentifier);
+ return nodeBinding(serializer(), yangInstanceIdentifier, data.getValue().iterator().next()).getValue();
+ }
+ }
+
+ @Override
+ public boolean canProcess(@Nonnull YangInstanceIdentifier identifier) {
+ return isRoot(identifier) ||
+ isContainer(identifierBinding(serializer(), identifier).getTargetType());
+ }
+
+ private static boolean isContainer(final Class targetType) {
+ return !Identifiable.class.isAssignableFrom(targetType)
+ && !Augmentation.class.isAssignableFrom(targetType);
+ }
+
+ private static YangInstanceIdentifier.NodeIdentifier containerNodeIdentifier(@Nonnull final YangInstanceIdentifier nodeIdentifier) {
+ return java.util.Optional.ofNullable(nodeIdentifier.getLastPathArgument())
+ .filter(pathArgument -> pathArgument instanceof YangInstanceIdentifier.NodeIdentifier)
+ .map(YangInstanceIdentifier.NodeIdentifier.class::cast)
+ .orElseThrow(() -> new IllegalArgumentException(
+ String.format("Unable to create container node identifier from %s", nodeIdentifier)));
+ }
+}