studio.raptor.ddal.config.fetcher.LocalConfigFetcher Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 studio.raptor.ddal.config.fetcher;
import com.google.common.base.Preconditions;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import studio.raptor.ddal.common.exception.GenericException;
import studio.raptor.ddal.config.common.ConfigConstant;
import studio.raptor.ddal.config.common.FileLoader;
/**
* 本地配置获取接口
*
* @author Charley
* @since 1.0
*/
public abstract class LocalConfigFetcher extends ConfigFetcher {
private static final Logger LOGGER = LoggerFactory.getLogger(LocalConfigFetcher.class);
@Override
public String fetchingMode() {
return ConfigConstant.FETCH_MODE_LOCAL;
}
@Override
public String getFileString(String filePath) throws GenericException {
Preconditions.checkNotNull(filePath, "filePath can not be null");
LOGGER.info("Get file string from local system, file name: {}", filePath);
return FileLoader.readLocalFile(filePath);
}
@Override
public Map getProperties(String filePath) {
Preconditions.checkNotNull(filePath, "filePath can not be null");
LOGGER.info("Get properties from local system, file name: {}", filePath);
return properties2Map(FileLoader.loadLocalProps(filePath));
}
private static Map properties2Map(Properties properties) {
Set keys = properties.stringPropertyNames();
Map routeMapping = new HashMap<>(keys.size());
for (String key : keys) {
String value = properties.getProperty(key);
routeMapping.put(key, value);
}
return routeMapping;
}
}