@Override
	public Date getDateWithPattern(int index, String pattern) {
		StringToDateConverter converter = new StringToDateConverter(pattern);
		return converter.convert(this.readAndTrim(index));
	}
@param index the index of the value
@return the converted raw value, trimmed
spring-xd-tuple/src/main/java/org/springframework/xd/tuple/DefaultTuple.java