google-nomulus/java/google/registry/tools/params/LoggingLevelParameter.java

// Copyright 2017 The Nomulus Authors. 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.

package google.registry.tools.params;

import java.util.logging.Level;

/**
 * Java logging level CLI parameter converter/validator.
 *
 * <p>If Level were an enum then this wouldn't be needed since JCommander has built-in conversion
 * support for enums, but Level is actually just a regular class with some static instances.
 */
public final class LoggingLevelParameter extends ParameterConverterValidator<Level> {

  public LoggingLevelParameter() {
    super("not a recognized logging level");
  }

  @Override
  public Level convert(String value) {
    return Level.parse(value);
  }
}