1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/operation/SdncOperations.java b/src/main/java/org/onap/cps/ncmp/dmi/service/operation/SdncOperations.java
new file mode 100644
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--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/service/operation/SdncOperations.java
@@ -0,0 +1,75 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.dmi.service.operation;
+
+import org.jetbrains.annotations.NotNull;
+import org.onap.cps.ncmp.dmi.config.DmiConfiguration.SdncProperties;
+import org.onap.cps.ncmp.dmi.service.client.SdncRestconfClient;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SdncOperations {
+
+    private static final String TOPOLOGY_URL_TEMPLATE = "/rests/data/network-topology:network-topology"
+            + "/topology={topologyId}";
+    private static final String MOUNT_URL_TEMPLATE = "/node={nodeId}/yang-ext:mount";
+    private static final String GET_SCHEMA_URL = "/ietf-netconf-monitoring:netconf-state/schemas";
+
+    private SdncProperties sdncProperties;
+    private SdncRestconfClient sdncRestconfClient;
+    private final String topologyUrl;
+    private final String topologyMountUrlTemplate;
+
+    /**
+     * Constructor for {@code SdncOperations}. This method also manipulates
+     * url properties.
+     *
+     * @param sdncProperties {@code SdncProperties}
+     * @param sdncRestconfClient {@code SdncRestconfClient}
+     */
+
+    public SdncOperations(final SdncProperties sdncProperties, final SdncRestconfClient sdncRestconfClient) {
+        this.sdncProperties = sdncProperties;
+        this.sdncRestconfClient = sdncRestconfClient;
+        topologyUrl = TOPOLOGY_URL_TEMPLATE.replace("{topologyId}", this.sdncProperties.getTopologyId());
+        topologyMountUrlTemplate = topologyUrl + MOUNT_URL_TEMPLATE;
+    }
+
+    /**
+     * This method fetches list of modules usind sdnc client.
+     *
+     * @param nodeId node id for node
+     * @return returns {@code ResponseEntity} which contains list of modules
+     */
+    public ResponseEntity<String> getModulesFromNode(final String nodeId) {
+        final String urlWithNodeId = prepareGetSchemaUrl(nodeId);
+        return sdncRestconfClient.getOperation(urlWithNodeId);
+    }
+
+    @NotNull
+    private String prepareGetSchemaUrl(final String nodeId) {
+        final String topologyMountUrl = topologyMountUrlTemplate;
+        final String topologyMountUrlWithNodeId = topologyMountUrl.replace("{nodeId}", nodeId);
+        final String resourceUrl = topologyMountUrlWithNodeId.concat(GET_SCHEMA_URL);
+        return resourceUrl;
+    }
+}