/*******************************************************************************
* Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
* 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 hydrograph.engine.utilities;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
public class HiveConfigurationMapping {
private static final String HIVE_CONF_MAP_FILE = "HiveConfigurationMapping";
private static ResourceBundle RESOURCE_BUNDLE = null;
private HiveConfigurationMapping() {
}
public static String getHiveConf(String key) {
if (getResourceBundle() == null) {
throw new UnableToLoadHiveConfMapFileException(
"Hive Configuration mapping file not found");
} else {
try {
return getResourceBundle().getString(key);
} catch (MissingResourceException e) {
throw new UnableToFindHiveConfPathException(
key
+ " Configuration path not present in hive conf mapping file ");
}
}
}
private static ResourceBundle getResourceBundle() {
String propFileName;
propFileName = System.getProperty(HIVE_CONF_MAP_FILE);
if (propFileName == null)
try {
propFileName = HIVE_CONF_MAP_FILE;
RESOURCE_BUNDLE = ResourceBundle.getBundle(propFileName);
} catch (MissingResourceException u) {
return null;
}
return RESOURCE_BUNDLE;
}
private static class UnableToFindHiveConfPathException extends
RuntimeException {
private static final long serialVersionUID = 712295301265415676L;
private UnableToFindHiveConfPathException(String string) {
super(string);
}
}
private static class UnableToLoadHiveConfMapFileException extends
RuntimeException {
private static final long serialVersionUID = -8797637642021524755L;
private UnableToLoadHiveConfMapFileException(String string) {
super(string);
}
}
}