1 files changed, 67 insertions, 0 deletions
diff --git a/src/main/java/org/onap/a1pesimulator/util/VnfConfigReader.java b/src/main/java/org/onap/a1pesimulator/util/VnfConfigReader.java
new file mode 100644
index 0000000..318b3d6
--- /dev/null
+++ b/src/main/java/org/onap/a1pesimulator/util/VnfConfigReader.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2021 Samsung Electronics
+ * 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 org.onap.a1pesimulator.util;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.util.Properties;
+import org.onap.a1pesimulator.data.VnfConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class VnfConfigReader {
+
+    private static final Logger log = LoggerFactory.getLogger(VnfConfigReader.class);
+
+    private String vnfConfigFile;
+
+    private VnfConfigReader(@Value("${vnf.config.file}") String vnfConfigFile) {
+        this.vnfConfigFile = vnfConfigFile;
+    }
+
+    public VnfConfig getVnfConfig() {
+
+        Properties props = new Properties();
+        VnfConfig vnfConfig;
+
+        try {
+            props.load(new FileReader(vnfConfigFile));
+            ObjectMapper mapper = new ObjectMapper();
+            vnfConfig = mapper.convertValue(props, VnfConfig.class);
+        } catch (FileNotFoundException e) {
+            String errorMsg = "Could not find vnfConfigFile under: " + vnfConfigFile;
+            log.error(errorMsg);
+            throw new VnfConfigReaderException(errorMsg, e);
+        } catch (Exception e) {
+            String errorMsg = "Failed to get VnfConfig: " + e.getMessage();
+            log.error(errorMsg);
+            throw new VnfConfigReaderException(errorMsg, e);
+        }
+
+        return vnfConfig;
+    }
+
+    private static class VnfConfigReaderException extends RuntimeException {
+
+        private static final long serialVersionUID = 1L;
+
+        public VnfConfigReaderException(String message, Throwable t) {
+            super(message, t);
+        }
+    }
+}