public static void assertNotEmpty(final String pstring, final String pmessage) {
    if (pstring == null || pstring.length() == 0) {
      throw new IllegalArgumentException(pmessage);
    }
  }
public static void assertNotEmpty ( final String pstring , final String pmessage ) { if ( pstring == null || pstring . length ( ) == 0 ) { throw new IllegalArgumentException ( pmessage ) ; } }
check if a string is not empty.

@param pstring string to check
@param pmessage error message to throw if test fails