1 files changed, 123 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/YangDataConverter.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/YangDataConverter.java
new file mode 100644
index 000000000..1df7bba9a
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/YangDataConverter.java
@@ -0,0 +1,123 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.utils;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
+import org.onap.cps.ncmp.api.inventory.CompositeState;
+import org.onap.cps.ncmp.api.inventory.CompositeStateBuilder;
+import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
+import org.onap.cps.spi.model.DataNode;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class YangDataConverter {
+
+    /**
+     * This method convert yang model cm handle to ncmp service cm handle.
+     * @param yangModelCmHandle the yang model of the cm handle
+     * @return ncmp service cm handle
+     */
+    public static NcmpServiceCmHandle convertYangModelCmHandleToNcmpServiceCmHandle(
+            final YangModelCmHandle yangModelCmHandle) {
+        final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
+        final List<YangModelCmHandle.Property> dmiProperties = yangModelCmHandle.getDmiProperties();
+        final List<YangModelCmHandle.Property> publicProperties = yangModelCmHandle.getPublicProperties();
+        ncmpServiceCmHandle.setCmHandleId(yangModelCmHandle.getId());
+        ncmpServiceCmHandle.setCompositeState(yangModelCmHandle.getCompositeState());
+        setDmiProperties(dmiProperties, ncmpServiceCmHandle);
+        setPublicProperties(publicProperties, ncmpServiceCmHandle);
+        return ncmpServiceCmHandle;
+    }
+
+    /**
+     * This method convert yang model cm handle properties to simple map.
+     * @param properties the yang model cm handle properties
+     * @param propertiesMap the String, String map for the results
+     */
+    public static void asPropertiesMap(final List<YangModelCmHandle.Property> properties,
+                                       final Map<String, String> propertiesMap) {
+        for (final YangModelCmHandle.Property property : properties) {
+            propertiesMap.put(property.getName(), property.getValue());
+        }
+    }
+
+    /**
+     * This method convert cm handle data node to yang model cm handle.
+     * @param cmHandleDataNode the datanode of the cm handle
+     * @param cmHandleId the id of the cm handle
+     * @return yang model cm handle
+     */
+    public static YangModelCmHandle convertCmHandleToYangModel(final DataNode cmHandleDataNode,
+                                                               final String cmHandleId) {
+        final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
+        ncmpServiceCmHandle.setCmHandleId(cmHandleId);
+        populateCmHandleDetails(cmHandleDataNode, ncmpServiceCmHandle);
+        return YangModelCmHandle.toYangModelCmHandle(
+                (String) cmHandleDataNode.getLeaves().get("dmi-service-name"),
+                (String) cmHandleDataNode.getLeaves().get("dmi-data-service-name"),
+                (String) cmHandleDataNode.getLeaves().get("dmi-model-service-name"),
+                ncmpServiceCmHandle
+        );
+    }
+
+    private static void populateCmHandleDetails(final DataNode cmHandleDataNode,
+                                                final NcmpServiceCmHandle ncmpServiceCmHandle) {
+        final Map<String, String> dmiProperties = new LinkedHashMap<>();
+        final Map<String, String> publicProperties = new LinkedHashMap<>();
+        final CompositeStateBuilder compositeStateBuilder = new CompositeStateBuilder();
+        CompositeState compositeState = compositeStateBuilder.build();
+        for (final DataNode childDataNode: cmHandleDataNode.getChildDataNodes()) {
+            if (childDataNode.getXpath().contains("/additional-properties[@name=")) {
+                addProperty(childDataNode, dmiProperties);
+            } else if (childDataNode.getXpath().contains("/public-properties[@name=")) {
+                addProperty(childDataNode, publicProperties);
+            } else if (childDataNode.getXpath().endsWith("/state")) {
+                compositeState = compositeStateBuilder.fromDataNode(childDataNode).build();
+            }
+        }
+        ncmpServiceCmHandle.setDmiProperties(dmiProperties);
+        ncmpServiceCmHandle.setPublicProperties(publicProperties);
+        ncmpServiceCmHandle.setCompositeState(compositeState);
+    }
+
+    private static void addProperty(final DataNode propertyDataNode, final Map<String, String> propertiesAsMap) {
+        propertiesAsMap.put(String.valueOf(propertyDataNode.getLeaves().get("name")),
+                String.valueOf(propertyDataNode.getLeaves().get("value")));
+    }
+
+    private static void setDmiProperties(final List<YangModelCmHandle.Property> dmiProperties,
+                                  final NcmpServiceCmHandle ncmpServiceCmHandle) {
+        final Map<String, String> dmiPropertiesMap = new LinkedHashMap<>(dmiProperties.size());
+        asPropertiesMap(dmiProperties, dmiPropertiesMap);
+        ncmpServiceCmHandle.setDmiProperties(dmiPropertiesMap);
+    }
+
+    private static void setPublicProperties(final List<YangModelCmHandle.Property> publicProperties,
+                                     final NcmpServiceCmHandle ncmpServiceCmHandle) {
+        final Map<String, String> publicPropertiesMap = new LinkedHashMap<>();
+        asPropertiesMap(publicProperties, publicPropertiesMap);
+        ncmpServiceCmHandle.setPublicProperties(publicPropertiesMap);
+    }
+}