com.guardtime.ksi.publication

Class PublicationData

java.lang.Object

com.guardtime.ksi.tlv.TLVStructure

com.guardtime.ksi.publication.PublicationData

public class PublicationData
extends TLVStructure

Record of publication data, it is a pair consisting of the publication time and publication hash. It's TLV encoded form is used for signing and verifying authentication records.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ELEMENT_TYPE

Fields inherited from class com.guardtime.ksi.tlv.TLVStructure

rootElement

Constructor Summary

Constructors

Constructor and Description
PublicationData(Date publicationTime, DataHash publicationHash) Creates a new instance of publication data using publication time and publication hash.
PublicationData(String publicationString) Create a publication object from a publication string.
PublicationData(TLVElement rootElement) Creates a new publication data from TLV element.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	getElementType()
byte[]	getEncoded()
DataHash	getPublicationDataHash()
String	getPublicationString() Returns a publication string that is a base-32 encoded value that is meant published to print media as human readable text
Date	getPublicationTime()
int	hashCode()
String	toString()

Methods inherited from class com.guardtime.ksi.tlv.TLVStructure

getRootElement, readOnce, verifyCriticalFlag, writeTo

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ELEMENT_TYPE

public static final int ELEMENT_TYPE

See Also:

Constant Field Values

Constructor Detail

PublicationData

public PublicationData(TLVElement rootElement)
                throws KSIException

Creates a new publication data from TLV element. Parses publication time and publication hash elements from TLVElement. TLV element must contain publication hash and publication time elements.

Parameters:

rootElement - - TLV element to parse to publication data. not null.

Throws:

KSIException

PublicationData

public PublicationData(String publicationString)
                throws KSIException

Create a publication object from a publication string. A publication string is a base-32 encoded value that is meant published to print media as human readable text or a QR code.

Parameters:

publicationString - publication in string format. not null.

Throws:

KSIException

PublicationData

public PublicationData(Date publicationTime,
                       DataHash publicationHash)
                throws KSIException

Creates a new instance of publication data using publication time and publication hash.

Parameters:

publicationTime - - publication time. not null.

publicationHash - - publication hash. not null.

Throws:

KSIException

Method Detail

getPublicationTime

public Date getPublicationTime()

Returns:

- returns publication data publication time. always present.

getPublicationDataHash

public DataHash getPublicationDataHash()

Returns:

returns the published hash. always present.

getPublicationString

public String getPublicationString()

Returns a publication string that is a base-32 encoded value that is meant published to print media as human readable text

Returns:

returns a base-32 encoded publication string

getElementType

public int getElementType()

Specified by:

getElementType in class TLVStructure

getEncoded

public byte[] getEncoded()
                  throws TLVParserException

Returns:

returns publication data TLV encoded byte array

Throws:

TLVParserException

equals

public boolean equals(Object o)

Overrides:

equals in class TLVStructure

hashCode

public int hashCode()

Overrides:

hashCode in class TLVStructure

toString

public String toString()

Overrides:

toString in class Object