content: /*
   * Created on Feb 7, 2013
   * 
   * 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.
   * 
   * Copyright @2013 the original author or authors.
   */
  package org.fest.swing.util;
  
  import javax.annotation.Nullable;
  
  /**
   * Verifies correct state of arrays.
   * 
   * @author Alex Ruiz
   */
  public final class ArrayPreconditions {
    /**
     * Verifies that the given array is not {@code null} or empty.
     * 
     * @param array the given array.
     * @return the validated array.
     * @throws NullPointerException if the given array is {@code null}.
     * @throws IllegalArgumentException if the given array is empty.
     */
    public static int[] checkNotNullOrEmpty(@Nullable int[] array) {
      if (array == null) {
        throw new NullPointerException();
      }
      if (array.length == 0) {
        throw new IllegalArgumentException();
      }
      return array;
    }
  
    private ArrayPreconditions() {}
  }
  