Package eu.europa.esig.dss.spi.signature.identifier

Class AbstractSignatureIdentifierBuilder

java.lang.Object

eu.europa.esig.dss.spi.signature.identifier.AbstractSignatureIdentifierBuilder

All Implemented Interfaces:

IdentifierBuilder, SignatureIdentifierBuilder, Serializable

Direct Known Subclasses:

CAdESSignatureIdentifierBuilder, JAdESSignatureIdentifierBuilder, PAdESSignatureIdentifierBuilder, XAdESSignatureIdentifierBuilder

public abstract class AbstractSignatureIdentifierBuilder
extends Object
implements SignatureIdentifierBuilder

The abstract SignatureIdentifier builder

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final AdvancedSignature	signature	The signature to build identifier for

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractSignatureIdentifierBuilder(AdvancedSignature signature)	The default constructor

Method Summary

Modifier and Type	Method	Description
SignatureIdentifier	build()	Builds SignatureIdentifier for the provided AdvancedSignature
protected byte[]	buildBinaries()	Builds unique binary data describing the signature object
protected abstract Object	getCounterSignaturePosition(AdvancedSignature masterSignature)	Returns a current counter signature position in its master signature
protected String	getPositionId()	Returns Id representing a current signature position in a file, considering its pre-siblings, master signatures when present
protected Object	getSignatureFilePosition()	This method returns a position of a signature file NOTE: this method returns a signature filename for ASiC containers, empty string for others
protected abstract Object	getSignaturePosition()	Returns a position of a signature in the provided file
protected void	writeSignaturePosition(ByteArrayOutputStream baos)	Writes the current signature position between other signature entries on the same level
protected void	writeSignedProperties(ByteArrayOutputStream baos)	Write signed properties of a signature to the given ByteArrayOutputStream
protected void	writeString(ByteArrayOutputStream baos, String str)	The method used to write a str into baos

Methods inherited from class java.lang.Object

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

Field Details

signature

protected final AdvancedSignature signature

The signature to build identifier for

Constructor Details

AbstractSignatureIdentifierBuilder

protected AbstractSignatureIdentifierBuilder(AdvancedSignature signature)

The default constructor

Parameters:

signature - AdvancedSignature

Method Details

build

public SignatureIdentifier build()

Builds SignatureIdentifier for the provided AdvancedSignature

Specified by:

build in interface IdentifierBuilder

Specified by:

build in interface SignatureIdentifierBuilder

Returns:

SignatureIdentifier

buildBinaries

protected byte[] buildBinaries()

Builds unique binary data describing the signature object

Returns:

a byte array

writeSignedProperties

protected void writeSignedProperties(ByteArrayOutputStream baos)
                              throws IOException

Write signed properties of a signature to the given ByteArrayOutputStream

Parameters:

baos - ByteArrayOutputStream to enrich with the basic signature parameters

Throws:

IOException - if in exception has been thrown

writeString

protected void writeString(ByteArrayOutputStream baos,
 String str)
                    throws IOException

The method used to write a str into baos

Parameters:

baos - ByteArrayOutputStream to write String into

str - String

Throws:

IOException - if in exception occurs

writeSignaturePosition

protected void writeSignaturePosition(ByteArrayOutputStream baos)
                               throws IOException

Writes the current signature position between other signature entries on the same level

Parameters:

baos - ByteArrayOutputStream to add data to

Throws:

IOException - if an exception occurs

getPositionId

protected String getPositionId()

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

Returns:

String position id

getCounterSignaturePosition

protected abstract Object getCounterSignaturePosition(AdvancedSignature masterSignature)

Returns a current counter signature position in its master signature

Parameters:

masterSignature - AdvancedSignature to analyze

Returns:

counter signature position

getSignaturePosition

protected abstract Object getSignaturePosition()

Returns a position of a signature in the provided file

Returns:

signature position in a file

getSignatureFilePosition

protected Object getSignatureFilePosition()

This method returns a position of a signature file NOTE: this method returns a signature filename for ASiC containers, empty string for others

Returns:

signature file position