Package eu.europa.esig.dss.spi.x509.tsp

Class TimestampIdentifierBuilder

java.lang.Object

eu.europa.esig.dss.spi.x509.tsp.TimestampIdentifierBuilder

All Implemented Interfaces:

IdentifierBuilder, Serializable

Direct Known Subclasses:

EvidenceRecordTimestampIdentifierBuilder, PdfTimestampTokenIdentifierBuilder, SignatureTimestampIdentifierBuilder, VriDictionaryTimestampIdentifierBuilder

public class TimestampIdentifierBuilder
extends Object
implements IdentifierBuilder

Builds an eu.europa.esig.dss.spi.x509.tsp.TimestampTokenIdentifier for the provided eu.europa.esig.dss.spi.x509.tsp.TimestampToken. This class provided a format independent implementation. Please use inherited classed for format-specific implementations.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final byte[]	timestampTokenBinaries	Time-stamp token to build an identifier for

Constructor Summary

Constructors

Constructor	Description
TimestampIdentifierBuilder(byte[] timestampTokenBinaries)	Default constructor to build an implementation independent identifier

Method Summary

Modifier and Type	Method	Description
TimestampTokenIdentifier	build()	Builds TimestampTokenIdentifier for the provided eu.europa.esig.dss.spi.x509.tsp.TimestampToken
protected byte[]	buildBinaries()	Builds unique binary data describing the time-stamp token
protected Object	getTimestampPosition()	Returns a position of a time-stamp token within a document among other time-stamps
protected String	getUniquePositionId()	Returns Id representing a current signature position in a file, considering its pre-siblings, master signatures when present
TimestampIdentifierBuilder	setFilename(String filename)	Sets a time-stamp document filename
protected void	writeTimestampBinaries(ByteArrayOutputStream baos)	Writes DER-encoded binaries of the current time-stamp token to the given ByteArrayOutputStream
protected void	writeTimestampPosition(ByteArrayOutputStream baos)	Writes the current time-stamp position within a document

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

timestampTokenBinaries

protected final byte[] timestampTokenBinaries

Time-stamp token to build an identifier for

Constructor Details

TimestampIdentifierBuilder

public TimestampIdentifierBuilder(byte[] timestampTokenBinaries)

Default constructor to build an implementation independent identifier

Parameters:

timestampTokenBinaries - byte array representing a DER-encoded time-stamp binary octets

Method Details

setFilename

public TimestampIdentifierBuilder setFilename(String filename)

Sets a time-stamp document filename

Parameters:

filename - String

Returns:

this TimestampIdentifierBuilder

build

public TimestampTokenIdentifier build()

Builds TimestampTokenIdentifier for the provided eu.europa.esig.dss.spi.x509.tsp.TimestampToken

Specified by:

build in interface IdentifierBuilder

Returns:

TimestampTokenIdentifier

buildBinaries

protected byte[] buildBinaries()

Builds unique binary data describing the time-stamp token

Returns:

a byte array

writeTimestampBinaries

protected void writeTimestampBinaries(ByteArrayOutputStream baos)
                               throws IOException

Writes DER-encoded binaries of the current time-stamp token to the given ByteArrayOutputStream

Parameters:

baos - ByteArrayOutputStream to write time-stamp binaries to

Throws:

IOException - if an exception occurs

writeTimestampPosition

protected void writeTimestampPosition(ByteArrayOutputStream baos)
                               throws IOException

Writes the current time-stamp position within a document

Parameters:

baos - ByteArrayOutputStream to add data to

Throws:

IOException - if an exception occurs

getUniquePositionId

protected String getUniquePositionId()

Returns Id representing a current signature position in a file, considering its pre-siblings, master signatures when present

Returns:

String position id

getTimestampPosition

protected Object getTimestampPosition()

Returns a position of a time-stamp token within a document among other time-stamps

Returns:

time-stamp position identifier