Added SDNC MDSAL Data Migrator Functionality.

[sdnc/oam.git] / data-migrator / src / main / java / org / onap / sdnc / oam / datamigrator / migrators / RenameDeleteLeafMigrator.java

diff --git a/data-migrator/src/main/java/org/onap/sdnc/oam/datamigrator/migrators/RenameDeleteLeafMigrator.java b/data-migrator/src/main/java/org/onap/sdnc/oam/datamigrator/migrators/RenameDeleteLeafMigrator.java
new file mode 100644 (file)
index 0000000..8c0adc0
--- /dev/null
+++ b/data-migrator/src/main/java/org/onap/sdnc/oam/datamigrator/migrators/RenameDeleteLeafMigrator.java
@@ -0,0 +1,62 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : SDNC
+ * ================================================================================
+ * Copyright 2019 AMDOCS
+ *=================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.sdnc.oam.datamigrator.migrators;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import org.apache.commons.lang3.StringUtils;
+import java.util.Map;
+import java.util.Set;
+
+public abstract class RenameDeleteLeafMigrator extends Migrator {
+
+    protected static Map<String,String> renamedFields ;
+    protected static Set<String> deletedFields ;
+
+    @Override
+    protected String convertData(JsonObject sourceData) {
+        JsonObject target =  convert(sourceData,"");
+        return  target.toString();
+    }
+
+    protected JsonObject convert(JsonObject source,String parent) {
+        JsonObject target = new JsonObject();
+        for (String key : source.keySet()){
+            String prefixKey = StringUtils.isNotEmpty(parent) ? parent + "."+key : key;
+            if(!deletedFields.contains(prefixKey)) {
+                JsonElement value = source.get(key);
+                if (value.isJsonPrimitive()) {
+                    target.add(renamedFields.getOrDefault(prefixKey,key), value);
+                } else if(value.isJsonArray()){
+                    JsonArray targetList = new JsonArray();
+                    JsonArray sourceArray = value.getAsJsonArray();
+                    for(JsonElement  e : sourceArray){
+                         targetList.add(convert(e.getAsJsonObject(),prefixKey));
+                    }
+                    target.add(renamedFields.getOrDefault(prefixKey,key), targetList);
+                } else{
+                    target.add(renamedFields.getOrDefault(prefixKey,key), convert(value.getAsJsonObject(),prefixKey));
+                }
+            }
+        }
+        return target;
+    }
+}