/*
 * 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 org.apache.gravitino.maintenance.optimizer.command.rule;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.lang3.StringUtils;

final class RuleUtils {
  private RuleUtils() {}

  /**
   * Checks whether an option is effectively present.
   *
   * <p>For options with value separators (for example {@code --identifiers a,b}), commons-cli
   * stores parsed values in {@code getOptionValues}. For plain single-value options it is usually
   * available from {@code getOptionValue}. This helper normalizes both read paths.
   */
  static boolean hasEffectiveValue(CommandLine cmd, String longOpt) {
    String[] values = cmd.getOptionValues(longOpt);
    if (values != null) {
      return values.length > 0;
    }
    return StringUtils.isNotBlank(cmd.getOptionValue(longOpt));
  }
}
