server/src/main/java/org/apache/iotdb/db/utils/ParameterUtils.java

/*
 * 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.iotdb.db.utils;

public class ParameterUtils {

  /**
   * check whether the field is empty. If it is empty, an error will be thrown
   *
   * @param string string to check
   * @param name prompt information in error throwing
   */
  public static void checkNonEmptyString(String string, String name)
      throws IllegalArgumentException {
    if (string == null || string.isEmpty()) {
      throw new IllegalArgumentException("Expecting a non-empty string for " + name);
    }
  }
}