public static String hasText(String value, String message) {
		if (value == null) {
			throw new IllegalArgumentException(message);
		}

		for (char c : value.toCharArray()) {
			if (!Character.isWhitespace(c)) {
				return value;
			}
		}

		// Found only whitespace characters...
		throw new IllegalArgumentException(message);
	}
public static String hasText(String value, String message) {
		if (value == null) {
			throw new IllegalArgumentException(message);
		}

		for (char c : value.toCharArray()) {
			if (!Character.isWhitespace(c)) {
				return value;
			}
		}

		
		throw new IllegalArgumentException(message);
	}
public static String hasText ( String value , String message ) { if ( value == null ) { throw new IllegalArgumentException ( message ) ; } for ( char c : value . toCharArray ( ) ) { if ( ! Character . isWhitespace ( c ) ) { return value ; } } // Found only whitespace characters... throw new IllegalArgumentException ( message ) ; }
Check that a given string value is not blank (i.e. not null,
not empty and does not contain only whitespaces).
If value is blank, an {@link java.lang.IllegalArgumentException} is
thrown.
If value is not blank, original string value is automatically returned.

@param value String value.
@param message Error message given to exception.
@return Original string value.
@throws java.lang.IllegalArgumentException if value is blank.
Check that a given string value is not blank ( i . e . not null not empty and does not contain only whitespaces ) . If value is blank an { @link java . lang . IllegalArgumentException } is thrown . If value is not blank original string value is automatically returned .