1 files changed, 127 insertions, 0 deletions
diff --git a/ajsc-aai/src/main/java/org/openecomp/aai/ajsc_aai/filemonitor/ServicePropertiesMap.java b/ajsc-aai/src/main/java/org/openecomp/aai/ajsc_aai/filemonitor/ServicePropertiesMap.java
new file mode 100644
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--- /dev/null
+++ b/ajsc-aai/src/main/java/org/openecomp/aai/ajsc_aai/filemonitor/ServicePropertiesMap.java
@@ -0,0 +1,127 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.openecomp.aai
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.aai.ajsc_aai.filemonitor;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class ServicePropertiesMap 
+{
+	private static HashMap<String, HashMap<String, String>> mapOfMaps = new HashMap<String, HashMap<String, String>>();
+	static final Logger logger = LoggerFactory.getLogger(ServicePropertiesMap.class);
+	
+	/**
+	 * Refresh.
+	 *
+	 * @param file the file
+	 * @throws Exception the exception
+	 */
+	public static void refresh(File file) throws Exception
+	{
+		try
+		{
+			logger.info("Loading properties - " + (file != null?file.getName():""));
+			
+			//Store .json & .properties files into map of maps
+			String filePath = file.getPath();
+			
+			if(filePath.lastIndexOf(".json")>0){
+				
+				ObjectMapper om = new ObjectMapper();
+				TypeReference<HashMap<String, String>> typeRef = new TypeReference<HashMap<String, String>>() {};
+				HashMap<String, String> propMap = om.readValue(file, typeRef);
+				HashMap<String, String> lcasePropMap = new HashMap<String, String>();
+				for (String key : propMap.keySet() )
+				{
+					String lcaseKey = ifNullThenEmpty(key);
+					lcasePropMap.put(lcaseKey, propMap.get(key));
+				}
+				
+				mapOfMaps.put(file.getName(), lcasePropMap);
+				
+				
+			}else if(filePath.lastIndexOf(".properties")>0){
+				Properties prop = new Properties();
+				FileInputStream fis = new FileInputStream(file);
+				prop.load(fis);
+				
+				@SuppressWarnings("unchecked")
+				HashMap<String, String> propMap = new HashMap<String, String>((Map)prop);
+				
+				mapOfMaps.put(file.getName(), propMap);
+			}
+
+			logger.info("File - " + file.getName() + " is loaded into the map and the corresponding system properties have been refreshed");
+		}
+		catch (Exception e)
+		{
+			logger.error("File " + (file != null?file.getName():"") + " cannot be loaded into the map ", e);
+			throw new Exception("Error reading map file " + (file != null?file.getName():""), e);
+		}
+	}
+	
+	/**
+	 * Gets the property.
+	 *
+	 * @param fileName the file name
+	 * @param propertyKey the property key
+	 * @return the property
+	 */
+	public static String getProperty(String fileName, String propertyKey)
+	{
+		HashMap<String, String> propMap = mapOfMaps.get(fileName);
+		return propMap!=null?propMap.get(ifNullThenEmpty(propertyKey)):"";
+	}
+	
+	/**
+	 * Gets the properties.
+	 *
+	 * @param fileName the file name
+	 * @return the properties
+	 */
+	public static HashMap<String, String> getProperties(String fileName){
+		return mapOfMaps.get(fileName);
+	}
+	
+	/**
+	 * If null then empty.
+	 *
+	 * @param key the key
+	 * @return the string
+	 */
+	private static String ifNullThenEmpty(String key) {
+		if (key == null) {
+			return "";
+		} else {					
+			return key;
+		}		
+	}
+
+}