Merge "Fix conversion to string for result from YangResource request on SDN-C"

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/YangResourceExtractor.java b/src/main/java/org/onap/cps/ncmp/dmi/service/YangResourceExtractor.java
new file mode 100644
index 00000000..d6ff3d2b
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/service/YangResourceExtractor.java
@@ -0,0 +1,55 @@
+/*
+ *  ============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;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.dmi.exception.ModuleResourceNotFoundException;
+import org.onap.cps.ncmp.dmi.model.YangResource;
+import org.onap.cps.ncmp.dmi.service.model.ModuleReference;
+import org.springframework.http.ResponseEntity;
+
+@Slf4j
+public class YangResourceExtractor {
+    static YangResource toYangResource(final ModuleReference moduleReference,
+                                       final ResponseEntity<String> responseEntity) {
+        final YangResource yangResource = new YangResource();
+        yangResource.setModuleName(moduleReference.getName());
+        yangResource.setRevision(moduleReference.getRevision());
+        yangResource.setYangSource(extractYangSourceFromBody(responseEntity));
+        return yangResource;
+    }
+
+    private static String extractYangSourceFromBody(final ResponseEntity<String> responseEntity) {
+        final JsonObject responseBodyAsJsonObject = new Gson().fromJson(responseEntity.getBody(), JsonObject.class);
+        final JsonObject monitoringOutputAsJsonObject =
+            responseBodyAsJsonObject.getAsJsonObject("ietf-netconf-monitoring:output");
+        if (monitoringOutputAsJsonObject == null
+            || monitoringOutputAsJsonObject.getAsJsonPrimitive("data") == null) {
+            log.error("Error occurred when trying to parse the response body from sdnc {}", responseEntity.getBody());
+            throw new ModuleResourceNotFoundException(responseEntity.getBody(),
+                "Error occurred when trying to parse the response body from sdnc.");
+        }
+        return monitoringOutputAsJsonObject.getAsJsonPrimitive("data").getAsString();
+    }
+
+}