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/*-
* ============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 com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
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;
public class ServicePropertiesMap {
private static HashMap<String, HashMap<String, String>> mapOfMaps = new HashMap<>();
private 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(String.format("Loading properties - %s", file != null ? file.getName() : ""));
//Store .json & .properties files into map of maps
if (file != null) {
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<>();
for (HashMap.Entry<String, String> entry : propMap.entrySet()) {
String lcaseKey = ifNullThenEmpty(entry.getKey());
lcasePropMap.put(lcaseKey, entry.getValue());
}
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");
} else {
logger.error("File cannot be loaded into the map ");
}
} 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) {
return key == null ? "" : key;
}
}
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