content: /**
   * 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 org.apache.aurora.scheduler.config.validators;
  
  import com.beust.jcommander.IValueValidator;
  import com.beust.jcommander.ParameterException;
  import com.google.common.collect.Iterables;
  
  public class NotEmptyIterable implements IValueValidator<Iterable<?>> {
    @Override
    public void validate(String name, Iterable<?> value) throws ParameterException {
      if (Iterables.isEmpty(value)) {
        throw new ParameterException(String.format("%s must not be empty", name));
      }
    }
  }
  