io.druid.cli.convert.Rename Maven / Gradle / Ivy
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* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.cli.convert;
import com.google.common.collect.ImmutableMap;
import java.util.Map;
import java.util.Properties;
/**
*/
public class Rename implements PropertyConverter
{
private final String property;
private final String newProperty;
public Rename(
String property,
String newProperty
)
{
this.property = property;
this.newProperty = newProperty;
}
@Override
public boolean canHandle(String property)
{
return this.property.equals(property);
}
@Override
public Map convert(Properties properties)
{
final String value = properties.getProperty(property);
if (value != null) {
return ImmutableMap.of(newProperty, value);
} else {
return ImmutableMap.of();
}
}
}