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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC 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 org.openqa.selenium.grid.config;

import static java.util.Collections.singletonList;

import com.beust.jcommander.converters.IParameterSplitter;
import java.util.List;

/**
 * A form of {@link Config} that is generated by looking at fields in the constructor arg that are
 * annotated with {@link ConfigValue}. The class hierarchy is walked from closest to Object to the
 * constructor argument's type, null values are ignored, and the order in which fields are read is
 * not stable (meaning duplicate config values may give different values each time).
 *
 * The main use of this class is to allow an object configured using (for example) jcommander to
 * be used directly within the app, without requiring intermediate support classes to transform
 * flags to config values.
 */
public class NonSplittingSplitter implements IParameterSplitter {
  @Override
  public List split(String value) {
    return singletonList(value);
  }
}