How to use

freemarker.ext.beans.NonPrimitiveArrayBackedReadOnlyList

constructor

/**
 * @param array Must be an array (of either a reference or primitive type)
 */
List<?> arrayToList(Object array) throws TemplateModelException {
  if (array instanceof Object[]) {
    // Array of any non-primitive type.
    // Note that an array of non-primitive type is always instanceof Object[].
    Object[] objArray = (Object[]) array;
    return objArray.length == 0 ? Collections.EMPTY_LIST : new NonPrimitiveArrayBackedReadOnlyList(objArray);
  } else {
    // Array of any primitive type
    return Array.getLength(array) == 0 ? Collections.EMPTY_LIST : new PrimtiveArrayBackedReadOnlyList(array);
  }
}

/**
 * @param array Must be an array (of either a reference or primitive type)
 */
List<?> arrayToList(Object array) throws TemplateModelException {
  if (array instanceof Object[]) {
    // Array of any non-primitive type.
    // Note that an array of non-primitive type is always instanceof Object[].
    Object[] objArray = (Object[]) array;
    return objArray.length == 0 ? Collections.EMPTY_LIST : new NonPrimitiveArrayBackedReadOnlyList(objArray);
  } else {
    // Array of any primitive type
    return Array.getLength(array) == 0 ? Collections.EMPTY_LIST : new PrimtiveArrayBackedReadOnlyList(array);
  }
}

/**
 * @param array Must be an array (of either a reference or primitive type)
 */
List<?> arrayToList(Object array) throws TemplateModelException {
  if (array instanceof Object[]) {
    // Array of any non-primitive type.
    // Note that an array of non-primitive type is always instanceof Object[].
    Object[] objArray = (Object[]) array;
    return objArray.length == 0 ? Collections.EMPTY_LIST : new NonPrimitiveArrayBackedReadOnlyList(objArray);
  } else {
    // Array of any primitive type
    return Array.getLength(array) == 0 ? Collections.EMPTY_LIST : new PrimtiveArrayBackedReadOnlyList(array);
  }
}