content: /*
   * Selling Partner API for Listings Items
   * The Selling Partner API for Listings Items (Listings Items API) provides programmatic access to selling partner listings on Amazon. Use this API in collaboration with the Selling Partner API for Product Type Definitions, which you use to retrieve the information about Amazon product types needed to use the Listings Items API.  For more information, see the [Listings Items API Use Case Guide](doc:listings-items-api-v2021-08-01-use-case-guide).
   *
   * OpenAPI spec version: 2021-08-01
   * 
   *
   * NOTE: This class is auto generated by the swagger code generator program.
   * https://github.com/swagger-api/swagger-codegen.git
   * Do not edit the class manually.
   */
  
  
  package io.swagger.client;
  
  @javax.annotation.Generated(value = "io.swagger.codegen.languages.JavaClientCodegen", date = "2023-12-07T17:05:48.223+01:00")
  public class StringUtil {
    /**
     * Check if the given array contains the given value (with case-insensitive comparison).
     *
     * @param array The array
     * @param value The value to search
     * @return true if the array contains the value
     */
    public static boolean containsIgnoreCase(String[] array, String value) {
      for (String str : array) {
        if (value == null && str == null) return true;
        if (value != null && value.equalsIgnoreCase(str)) return true;
      }
      return false;
    }
  
    /**
     * Join an array of strings with the given separator.
     * <p>
     * Note: This might be replaced by utility method from commons-lang or guava someday
     * if one of those libraries is added as dependency.
     * </p>
     *
     * @param array     The array of strings
     * @param separator The separator
     * @return the resulting string
     */
    public static String join(String[] array, String separator) {
      int len = array.length;
      if (len == 0) return "";
  
      StringBuilder out = new StringBuilder();
      out.append(array[0]);
      for (int i = 1; i < len; i++) {
        out.append(separator).append(array[i]);
      }
      return out.toString();
    }
  
    /**
    * Check if the given value is null or an empty string
    *
    * @param value The value to check
    * @return true if the value is null or empty
    */
    public static boolean isEmpty(String value) {
      return value == null || value.isEmpty();
    }
  }
  