Aws4SignerUtils (AWS Java SDK :: Auth 2.25.16 API)

java.lang.Object
- software.amazon.awssdk.auth.signer.internal.Aws4SignerUtils

```
public final class Aws4SignerUtils
extends Object
```
Utility methods that is used by the different AWS Signer implementations. This class is strictly internal and is subjected to change.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static long`	`calculateRequestContentLength(SdkHttpFullRequest.Builder mutableRequest)`	Calculates the content length of a request.
`static String`	`formatDateStamp(long timeMilli)`	Returns a string representation of the given date time in yyyyMMdd format.
`static String`	`formatDateStamp(Instant instant)`
`static String`	`formatTimestamp(long timeMilli)`	Returns a string representation of the given date time in yyyyMMdd'T'HHmmss'Z' format.
`static String`	`formatTimestamp(Instant instant)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - formatDateStamp
```
public static String formatDateStamp(long timeMilli)
```
    Returns a string representation of the given date time in yyyyMMdd format. The date returned is in the UTC zone. For example, given a time "1416863450581", this method returns "20141124"
  - formatDateStamp
```
public static String formatDateStamp(Instant instant)
```
  - formatTimestamp
```
public static String formatTimestamp(long timeMilli)
```
    Returns a string representation of the given date time in yyyyMMdd'T'HHmmss'Z' format. The date returned is in the UTC zone. For example, given a time "1416863450581", this method returns "20141124T211050Z"
  - formatTimestamp
```
public static String formatTimestamp(Instant instant)
```
  - calculateRequestContentLength
```
public static long calculateRequestContentLength(SdkHttpFullRequest.Builder mutableRequest)
```
    Calculates the content length of a request. If the content-length isn't in the header, the method reads the whole input stream to get the length.