(String argName, @Nullable Collection<T> arg)
| 196 | } |
| 197 | |
| 198 | public static <T> Collection<T> nonEmpty(String argName, @Nullable Collection<T> arg) { |
| 199 | nonNull(argName, arg); |
| 200 | if (arg.isEmpty()) { |
| 201 | throw new IllegalArgumentException(String.format(MUST_NOT_BE_EMPTY, argName)); |
| 202 | } |
| 203 | return arg; |
| 204 | } |
| 205 | |
| 206 | public static String nonBlank(String argName, @Nullable String arg) { |
| 207 | nonNull(argName, arg); |