DigestCalculator

java.lang.Object

net.visma.autopay.http.digest.DigestCalculator

public final class DigestCalculator extends Object

Calculates values for Content-Digest and Repr-Digest headers

See Also:

Digest Fields

Method Summary

Modifier and Type

Method

Description

static String

calculateDigestHeader(byte[] content, String wantDigestHeader)

Calculates value of a digest, based on wanted digest taken from Want-Content-Digest or Want-Repr-Digest header.

static String

calculateDigestHeader(byte[] content, DigestAlgorithm algorithm)

Calculates value of a digest, which can be directly copied to HTTP header.

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

Method Details
- calculateDigestHeader
  
  public static String calculateDigestHeader(byte[] content, DigestAlgorithm algorithm)
  
  Calculates value of a digest, which can be directly copied to HTTP header.
  To include multiple digests (with different algorithms) call this method multiple times and concatenate the results using ", " as a separator.
  Parameters:
  
  content - Binary request or response content. Caller is responsible to use proper encoding, matching Content-Type and Content-Encoding.
  
  algorithm - Hash algorithm
  
  Returns:
  
  Digest filed to be directly copied to the header
  
  See Also:
  
  The Content-Digest Field
- calculateDigestHeader
  
  public static String calculateDigestHeader(byte[] content, String wantDigestHeader) throws DigestException
  
  Calculates value of a digest, based on wanted digest taken from Want-Content-Digest or Want-Repr-Digest header.
  Only algorithms defined in DigestAlgorithm are supported.
  Parameters:
  
  content - Binary request or response content. Caller is responsible to use proper encoding, matching Content-Type and Content-Encoding.
  
  wantDigestHeader - Value of Want-Content-Digest or Want-Repr-Digest header
  
  Returns:
  
  Digest filed to be directly copied to the header
  
  Throws:
  
  DigestException - Invalid Want-... header or unsupported wanted algorithm(s).
  
  See Also:
  
  Integrity Preference Fields