org.verapdf.metadata.fixer.entity

Interface Metadata

All Known Implementing Classes:

MetadataImpl

public interface Metadata

Current interface provide necessary behavior of pdf metadata for MetadataFixerImpl

Author:

Evgeniy Muravitskiy

Method Summary

Modifier and Type	Method and Description
void	addPDFIdentificationSchema(MetadataFixerResultImpl.Builder resultBuilder, PDFAFlavour flavour) Add PDF/A identification schema if MetadataFixerImpl be able to repair document to valid PDF/A document.
void	checkMetadataStream(MetadataFixerResultImpl.Builder resultBuilder, PDFAFlavour flavour) Add required fields to stream dictionary and add FlateDecode Filter for part 2 and 3 flavours or remove filters for part 1 flavour
AdobePDF	getAdobePDFSchema(InfoDictionary info) Get AdobePDF representation.
DublinCore	getDublinCoreSchema(InfoDictionary info) Get DublinCore representation.
XMPBasic	getXMPBasicSchema(InfoDictionary info) Get XMPBasic representation.
boolean	isNeedToBeUpdated()
void	removePDFIdentificationSchema(MetadataFixerResultImpl.Builder resultBuilder, PDFAFlavour flavour) Remove identification schema if MetadataFixerImpl can not repair document to valid PDF/A Document.
void	setNeedToBeUpdated(boolean needToBeUpdated)
void	updateMetadataStream() Update metadata stream from applied changes.

Method Detail

checkMetadataStream

void checkMetadataStream(MetadataFixerResultImpl.Builder resultBuilder,
                         PDFAFlavour flavour)

Add required fields to stream dictionary and add FlateDecode Filter for part 2 and 3 flavours or remove filters for part 1 flavour

Parameters:

resultBuilder - report applied changes

removePDFIdentificationSchema

void removePDFIdentificationSchema(MetadataFixerResultImpl.Builder resultBuilder,
                                   PDFAFlavour flavour)

Remove identification schema if MetadataFixerImpl can not repair document to valid PDF/A Document.

Parameters:

resultBuilder - report applied changes

addPDFIdentificationSchema

void addPDFIdentificationSchema(MetadataFixerResultImpl.Builder resultBuilder,
                                PDFAFlavour flavour)

Add PDF/A identification schema if MetadataFixerImpl be able to repair document to valid PDF/A document.

Parameters:

resultBuilder - report applied changes

flavour - the checked flavour

getDublinCoreSchema

DublinCore getDublinCoreSchema(InfoDictionary info)

Get DublinCore representation. If current schema not presented in metadata but Information dictionary consist corresponding values than must return empty dublin core schema.

Parameters:

info - information dictionary representation of current document

Returns:

DublinCore schema or null

getAdobePDFSchema

AdobePDF getAdobePDFSchema(InfoDictionary info)

Get AdobePDF representation. If current schema not presented in metadata but Information dictionary consist corresponding values than must return empty dublin core schema.

Parameters:

info - information dictionary representation of current document

Returns:

AdobePDF schema or null

getXMPBasicSchema

XMPBasic getXMPBasicSchema(InfoDictionary info)

Get XMPBasic representation. If current schema not presented in metadata but Information dictionary consist corresponding values than must return empty dublin core schema.

Parameters:

info - information dictionary representation of current document

Returns:

XMPBasic schema or null

isNeedToBeUpdated

boolean isNeedToBeUpdated()

Returns:

setNeedToBeUpdated

void setNeedToBeUpdated(boolean needToBeUpdated)

Parameters:

needToBeUpdated -

updateMetadataStream

void updateMetadataStream()
                   throws Exception

Update metadata stream from applied changes. If metadata was not changed than no updates applied

Throws:

Exception - problems with stream update