com.itextpdf.pdfa.checker

Class PdfA2Checker

java.lang.Object

com.itextpdf.pdfa.checker.PdfAChecker

com.itextpdf.pdfa.checker.PdfA1Checker

com.itextpdf.pdfa.checker.PdfA2Checker

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

PdfA3Checker

public class PdfA2Checker
extends PdfA1Checker

PdfA2Checker defines the requirements of the PDF/A-2 standard and contains a number of methods that override the implementations of its superclass PdfA1Checker.

The specification implemented by this class is ISO 19005-2

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected static Set<PdfName>	allowedBlendModes
protected static Set<PdfName>	forbiddenActions
protected static Set<PdfName>	forbiddenAnnotations

Fields inherited from class com.itextpdf.pdfa.checker.PdfA1Checker

allowedNamedActions, allowedRenderingIntents, contentAnnotations

Fields inherited from class com.itextpdf.pdfa.checker.PdfAChecker

checkedObjects, checkedObjectsColorspace, cmykIsUsed, conformanceLevel, grayIsUsed, gsStackDepth, ICC_COLOR_SPACE_CMYK, ICC_COLOR_SPACE_GRAY, ICC_COLOR_SPACE_RGB, ICC_DEVICE_CLASS_MONITOR_PROFILE, ICC_DEVICE_CLASS_OUTPUT_PROFILE, maxGsStackDepth, pdfAOutputIntentColorSpace, rgbIsUsed

Constructor Summary

Constructors

Constructor and Description
PdfA2Checker(PdfAConformanceLevel conformanceLevel) Creates a PdfA2Checker with the required conformance level

Method Summary

Modifier and Type	Method and Description
protected void	checkAnnotation(PdfDictionary annotDic)
protected void	checkAppearanceStream(PdfStream appearanceStream) Check single annotation appearance stream.
protected void	checkCatalogValidEntries(PdfDictionary catalogDict)
void	checkColor(Color color, PdfDictionary currentColorSpaces, Boolean fill) This method checks compliance with the color restrictions imposed by the available color spaces in the document.
void	checkColor(Color color, PdfDictionary currentColorSpaces, Boolean fill, PdfStream contentStream) This method checks compliance with the color restrictions imposed by the available color spaces in the document.
void	checkColorSpace(PdfColorSpace colorSpace, PdfDictionary currentColorSpaces, boolean checkAlternate, Boolean fill) This method performs a range of checks on the given color space, depending on the type and properties of that color space.
protected void	checkColorsUsages()
void	checkExtGState(CanvasGraphicsState extGState) Performs a number of checks on the graphics state, among others ISO 19005-1 section 6.2.8 and 6.4 and ISO 19005-2 section 6.2.5 and 6.2.10.
void	checkExtGState(CanvasGraphicsState extGState, PdfStream contentStream) Performs a number of checks on the graphics state, among others ISO 19005-1 section 6.2.8 and 6.4 and ISO 19005-2 section 6.2.5 and 6.2.10.
protected void	checkFileSpec(PdfDictionary fileSpec)
void	checkFontGlyphs(PdfFont font, PdfStream contentStream) Performs a check of the each font glyph as a Form XObject.
protected void	checkForm(PdfDictionary form)
protected void	checkFormXObject(PdfStream form)
protected void	checkFormXObject(PdfStream form, PdfStream contentStream)
protected void	checkImage(PdfStream image, PdfDictionary currentColorSpaces)
void	checkInlineImage(PdfStream inlineImage, PdfDictionary currentColorSpaces) This method checks compliance with the inline image restrictions in the PDF/A specs, specifically filter parameters.
protected void	checkNonSymbolicTrueTypeFont(PdfTrueTypeFont trueTypeFont)
protected void	checkOutputIntents(PdfDictionary catalog)
protected void	checkPageObject(PdfDictionary pageDict, PdfDictionary pageResources)
protected void	checkPageSize(PdfDictionary page)
protected void	checkPageTransparency(PdfDictionary pageDict, PdfDictionary pageResources)
protected void	checkPdfArray(PdfArray array)
protected void	checkPdfDictionary(PdfDictionary dictionary)
protected void	checkPdfStream(PdfStream stream)
protected Set<PdfName>	getAllowedNamedActions()
protected Set<PdfName>	getForbiddenActions()
protected double	getMaxRealValue() Retrieve maximum allowed real value.
protected int	getMaxStringLength()

Methods inherited from class com.itextpdf.pdfa.checker.PdfA1Checker

checkAction, checkCanvasStack, checkContentStream, checkContentStreamObject, checkFont, checkLogicalStructure, checkMetaData, checkPdfName, checkPdfNumber, checkPdfString, checkRenderingIntent, checkSymbolicTrueTypeFont, checkTrailer, checkXrefTable, getFormFields, getMaxIntegerValue, getMaxNameLength, getMaxNumberOfIndirectObjects, getMinIntegerValue

Methods inherited from class com.itextpdf.pdfa.checker.PdfAChecker

checkDocument, checkFlag, checkPdfObject, checkResources, checkResourcesOfAppearanceStreams, checkSinglePage, checkStructure, checkTagStructureElement, getConformanceLevel, isAlreadyChecked, isContainsTransparencyGroup, isFullCheckMode, objectIsChecked, setFullCheckMode

Methods inherited from class java.lang.Object

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

Field Detail

forbiddenAnnotations

protected static final Set<PdfName> forbiddenAnnotations

forbiddenActions

protected static final Set<PdfName> forbiddenActions

allowedBlendModes

protected static final Set<PdfName> allowedBlendModes

Constructor Detail

PdfA2Checker

public PdfA2Checker(PdfAConformanceLevel conformanceLevel)

Creates a PdfA2Checker with the required conformance level

Parameters:

conformanceLevel - the required conformance level, a or u or b

Method Detail

checkInlineImage

public void checkInlineImage(PdfStream inlineImage,
                             PdfDictionary currentColorSpaces)

Description copied from class: PdfAChecker

This method checks compliance with the inline image restrictions in the PDF/A specs, specifically filter parameters.

Overrides:

checkInlineImage in class PdfA1Checker

Parameters:

inlineImage - a PdfStream containing the inline image

currentColorSpaces - a PdfDictionary containing the color spaces used in the document

checkColor

public void checkColor(Color color,
                       PdfDictionary currentColorSpaces,
                       Boolean fill)

Description copied from class: PdfAChecker

This method checks compliance with the color restrictions imposed by the available color spaces in the document.

Overrides:

checkColor in class PdfA1Checker

Parameters:

color - the color to check

currentColorSpaces - a PdfDictionary containing the color spaces used in the document

fill - whether the color is used for fill or stroke operations

checkColor

public void checkColor(Color color,
                       PdfDictionary currentColorSpaces,
                       Boolean fill,
                       PdfStream contentStream)

Description copied from class: PdfAChecker

This method checks compliance with the color restrictions imposed by the available color spaces in the document. This method will be abstract in update 7.2

Overrides:

checkColor in class PdfA1Checker

Parameters:

color - the color to check

currentColorSpaces - a PdfDictionary containing the color spaces used in the document

fill - whether the color is used for fill or stroke operations

contentStream - current content stream

checkColorSpace

public void checkColorSpace(PdfColorSpace colorSpace,
                            PdfDictionary currentColorSpaces,
                            boolean checkAlternate,
                            Boolean fill)

Description copied from class: PdfAChecker

This method performs a range of checks on the given color space, depending on the type and properties of that color space.

Overrides:

checkColorSpace in class PdfA1Checker

Parameters:

colorSpace - the color space to check

currentColorSpaces - a PdfDictionary containing the color spaces used in the document

checkAlternate - whether or not to also check the parent color space

fill - whether the color space is used for fill or stroke operations

checkExtGState

public void checkExtGState(CanvasGraphicsState extGState)

Description copied from class: PdfAChecker

Performs a number of checks on the graphics state, among others ISO 19005-1 section 6.2.8 and 6.4 and ISO 19005-2 section 6.2.5 and 6.2.10.

Overrides:

checkExtGState in class PdfA1Checker

Parameters:

extGState - the graphics state to be checked

checkExtGState

public void checkExtGState(CanvasGraphicsState extGState,
                           PdfStream contentStream)

Description copied from class: PdfAChecker

Performs a number of checks on the graphics state, among others ISO 19005-1 section 6.2.8 and 6.4 and ISO 19005-2 section 6.2.5 and 6.2.10. This method will be abstract in the update 7.2

Overrides:

checkExtGState in class PdfA1Checker

Parameters:

extGState - the graphics state to be checked

contentStream - current content stream

checkNonSymbolicTrueTypeFont

protected void checkNonSymbolicTrueTypeFont(PdfTrueTypeFont trueTypeFont)

Overrides:

checkNonSymbolicTrueTypeFont in class PdfA1Checker

getMaxRealValue

protected double getMaxRealValue()

Description copied from class: PdfA1Checker

Retrieve maximum allowed real value.

Overrides:

getMaxRealValue in class PdfA1Checker

Returns:

maximum allowed real number

getMaxStringLength

protected int getMaxStringLength()

Overrides:

getMaxStringLength in class PdfA1Checker

checkPdfArray

protected void checkPdfArray(PdfArray array)

Overrides:

checkPdfArray in class PdfA1Checker

checkPdfDictionary

protected void checkPdfDictionary(PdfDictionary dictionary)

Overrides:

checkPdfDictionary in class PdfA1Checker

checkAnnotation

protected void checkAnnotation(PdfDictionary annotDic)

Overrides:

checkAnnotation in class PdfA1Checker

checkAppearanceStream

protected void checkAppearanceStream(PdfStream appearanceStream)

Description copied from class: PdfAChecker

Check single annotation appearance stream.

Overrides:

checkAppearanceStream in class PdfAChecker

Parameters:

appearanceStream - the PdfStream to check

checkForm

protected void checkForm(PdfDictionary form)

Overrides:

checkForm in class PdfA1Checker

checkCatalogValidEntries

protected void checkCatalogValidEntries(PdfDictionary catalogDict)

Overrides:

checkCatalogValidEntries in class PdfA1Checker

checkPageSize

protected void checkPageSize(PdfDictionary page)

Overrides:

checkPageSize in class PdfA1Checker

checkFileSpec

protected void checkFileSpec(PdfDictionary fileSpec)

Overrides:

checkFileSpec in class PdfA1Checker

checkPdfStream

protected void checkPdfStream(PdfStream stream)

Overrides:

checkPdfStream in class PdfA1Checker

checkPageObject

protected void checkPageObject(PdfDictionary pageDict,
                               PdfDictionary pageResources)

Overrides:

checkPageObject in class PdfA1Checker

checkPageTransparency

protected void checkPageTransparency(PdfDictionary pageDict,
                                     PdfDictionary pageResources)

Overrides:

checkPageTransparency in class PdfAChecker

checkOutputIntents

protected void checkOutputIntents(PdfDictionary catalog)

Overrides:

checkOutputIntents in class PdfA1Checker

getForbiddenActions

protected Set<PdfName> getForbiddenActions()

Overrides:

getForbiddenActions in class PdfA1Checker

getAllowedNamedActions

protected Set<PdfName> getAllowedNamedActions()

Overrides:

getAllowedNamedActions in class PdfA1Checker

checkColorsUsages

protected void checkColorsUsages()

Overrides:

checkColorsUsages in class PdfA1Checker

checkImage

protected void checkImage(PdfStream image,
                          PdfDictionary currentColorSpaces)

Overrides:

checkImage in class PdfA1Checker

checkFontGlyphs

public void checkFontGlyphs(PdfFont font,
                            PdfStream contentStream)

Description copied from class: PdfAChecker

Performs a check of the each font glyph as a Form XObject. See ISO 19005-2 Annex A.5. This only applies to type 3 fonts. This method will be abstract in update 7.2

Overrides:

checkFontGlyphs in class PdfAChecker

Parameters:

font - PdfFont to be checked

contentStream - stream containing checked font

checkFormXObject

protected void checkFormXObject(PdfStream form)

Overrides:

checkFormXObject in class PdfA1Checker

checkFormXObject

protected void checkFormXObject(PdfStream form,
                                PdfStream contentStream)