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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
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package org.apache.pdfbox.preflight.font.descriptor;
import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_FONTS_CHARSET_MISSING_FOR_SUBSET;
import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_FONTS_FONT_FILEX_INVALID;
import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_FONTS_TRUETYPE_DAMAGED;
import static org.apache.pdfbox.preflight.PreflightConstants.ERROR_FONTS_TYPE1_DAMAGED;
import static org.apache.pdfbox.preflight.PreflightConstants.FONT_DICTIONARY_KEY_LENGTH2;
import static org.apache.pdfbox.preflight.PreflightConstants.FONT_DICTIONARY_KEY_LENGTH3;
import static org.apache.pdfbox.preflight.font.FontValidator.isSubSet;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.common.PDStream;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDFontDescriptor;
import org.apache.pdfbox.pdmodel.font.PDSimpleFont;
import org.apache.pdfbox.pdmodel.font.PDType1Equivalent;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.preflight.PreflightContext;
import org.apache.pdfbox.preflight.ValidationResult.ValidationError;
import org.apache.pdfbox.preflight.font.container.Type1Container;
public class Type1DescriptorHelper extends FontDescriptorHelper<Type1Container>
{
public Type1DescriptorHelper(PreflightContext context, PDType1Equivalent font, Type1Container fontContainer)
{
super(context, font, fontContainer);
}
@Override
protected boolean checkMandatoryFields(COSDictionary fDescriptor)
{
boolean result = super.checkMandatoryFields(fDescriptor);
/*
* if the this font is a Subset, the CharSet entry must be present in the FontDescriptor
*/
if (isSubSet(fontDescriptor.getFontName()))
{
String charsetStr = fontDescriptor.getCharSet();
if (charsetStr == null || "".equals(charsetStr))
{
this.fContainer.push(new ValidationError(ERROR_FONTS_CHARSET_MISSING_FOR_SUBSET,
"The Charset entry is missing for the Type1 Subset"));
result = false;
}
}
return result;
}
@Override
public PDStream extractFontFile(PDFontDescriptor fontDescriptor)
{
PDStream ff1 = fontDescriptor.getFontFile();
PDStream ff3 = fontDescriptor.getFontFile3();
if (ff1 != null)
{
COSStream stream = ff1.getStream();
if (stream == null)
{
this.fContainer.push(new ValidationError(ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is missing for "
+ fontDescriptor.getFontName()));
this.fContainer.notEmbedded();
return null;
}
boolean hasLength1 = stream.getInt(COSName.LENGTH1) > 0;
boolean hasLength2 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH2)) > 0;
boolean hasLength3 = stream.getInt(COSName.getPDFName(FONT_DICTIONARY_KEY_LENGTH3)) >= 0;
if (!(hasLength1 && hasLength2 && hasLength3))
{
this.fContainer.push(new ValidationError(ERROR_FONTS_FONT_FILEX_INVALID, "The FontFile is invalid for "
+ fontDescriptor.getFontName()));
return null;
}
return ff1;
}
else
{
return ff3;
}
}
@Override
protected void processFontFile(PDFontDescriptor fontDescriptor, PDStream fontFile)
{
if (font.isDamaged())
{
this.fContainer.push(new ValidationError(ERROR_FONTS_TYPE1_DAMAGED,
"The FontFile can't be read for " + this.font.getName()));
}
}
}