Package org.apache.pdfbox.preflight.font.descriptor

Class FontDescriptorHelper<T extends FontContainer>

java.lang.Object

org.apache.pdfbox.preflight.font.descriptor.FontDescriptorHelper<T>

Direct Known Subclasses:

CIDType0DescriptorHelper, CIDType2DescriptorHelper, TrueTypeDescriptorHelper, Type1DescriptorHelper

public abstract class FontDescriptorHelper<T extends FontContainer>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected PreflightContext	context
protected T	fContainer
protected PDFontLike	font
protected PDFontDescriptor	fontDescriptor
private static final Set<String>	MANDATORYFIELDS

Constructor Summary

Constructors

Constructor	Description
FontDescriptorHelper(PreflightContext context, PDFontLike font, T fontContainer)

Method Summary

Modifier and Type	Method	Description
protected void	checkFontFileMetaData(PDFontDescriptor fontDescriptor, PDStream fontFile)	Type0, Type1 and TrueType FontValidator call this method to check the FontFile meta data.
protected boolean	checkMandatoryFields(COSDictionary fDescriptor)
abstract PDStream	extractFontFile(PDFontDescriptor fontDescriptor)
protected boolean	fontFileNotEmbedded(PDFontDescriptor fontDescriptor)
protected final byte[]	getMetaDataStreamAsBytes(PDMetadata metadata)
protected boolean	hasOnlyOneFontFile(PDFontDescriptor fontDescriptor)	Return true if the FontDescriptor has only one FontFile entry.
static boolean	isSubSet(String fontName)
protected abstract void	processFontFile(PDFontDescriptor fontDescriptor, PDStream fontFile)
void	validate()

Methods inherited from class java.lang.Object

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

Field Details

fContainer

protected T extends FontContainer fContainer

context

protected PreflightContext context

font

protected PDFontLike font

fontDescriptor

protected PDFontDescriptor fontDescriptor

MANDATORYFIELDS

private static final Set<String> MANDATORYFIELDS

Constructor Details

FontDescriptorHelper

public FontDescriptorHelper(PreflightContext context,
 PDFontLike font,
 T fontContainer)

Method Details

validate

public void validate()

checkMandatoryFields

protected boolean checkMandatoryFields(COSDictionary fDescriptor)

extractFontFile

public abstract PDStream extractFontFile(PDFontDescriptor fontDescriptor)

hasOnlyOneFontFile

protected boolean hasOnlyOneFontFile(PDFontDescriptor fontDescriptor)

Return true if the FontDescriptor has only one FontFile entry.

Parameters:

fontDescriptor -

Returns:

true if the FontDescriptor has only one FontFile entry.

fontFileNotEmbedded

protected boolean fontFileNotEmbedded(PDFontDescriptor fontDescriptor)

processFontFile

protected abstract void processFontFile(PDFontDescriptor fontDescriptor,
 PDStream fontFile)

checkFontFileMetaData

protected void checkFontFileMetaData(PDFontDescriptor fontDescriptor,
 PDStream fontFile)

Type0, Type1 and TrueType FontValidator call this method to check the FontFile meta data.

Parameters:

fontDescriptor - The FontDescriptor which contains the FontFile stream

fontFile - The font file stream to check

getMetaDataStreamAsBytes

protected final byte[] getMetaDataStreamAsBytes(PDMetadata metadata)

isSubSet

public static boolean isSubSet(String fontName)