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/*
* $Id: 1c44f9d8028a6cbbe1b7c09570ba769c30f885ed $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 iText Group NV
* Authors: Alexander Chingarev, Bruno Lowagie, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf.internal;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.*;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.HashSet;
public class PdfA1Checker extends PdfAChecker {
static public final PdfName setState = new PdfName("SetState");
static public final PdfName noOp = new PdfName("NoOp");
static private HashSet allowedAnnotTypes = new HashSet(Arrays.asList(PdfName.TEXT, PdfName.LINK,
PdfName.FREETEXT, PdfName.LINE, PdfName.SQUARE, PdfName.CIRCLE, PdfName.HIGHLIGHT, PdfName.UNDERLINE,
PdfName.SQUIGGLY, PdfName.STRIKEOUT, PdfName.STAMP, PdfName.INK, PdfName.POPUP, PdfName.WIDGET,
PdfName.PRINTERMARK, PdfName.TRAPNET));
static public final HashSet allowedNamedActions = new HashSet(Arrays.asList(PdfName.NEXTPAGE,
PdfName.PREVPAGE, PdfName.FIRSTPAGE, PdfName.LASTPAGE));
static private HashSet restrictedActions = new HashSet(Arrays.asList(PdfName.LAUNCH, PdfName.SOUND,
PdfName.MOVIE, PdfName.RESETFORM, PdfName.IMPORTDATA, PdfName.JAVASCRIPT));
static public final HashSet contentAnnotations = new HashSet(Arrays.asList(PdfName.TEXT,
PdfName.FREETEXT, PdfName.LINE, PdfName.SQUARE, PdfName.CIRCLE, PdfName.STAMP, PdfName.INK, PdfName.POPUP));
static private final HashSet keysForCheck = new HashSet(Arrays.asList(PdfName.FONTDESCRIPTOR,
PdfName.FONTFILE, PdfName.FONTFILE2, PdfName.FONTFILE3, PdfName.FILTER, PdfName.GROUP, PdfName.S,
PdfName.EMBEDDEDFILES, PdfName.MARKED, PdfName.DESTOUTPUTPROFILE));
static public final double maxRealValue = 32767;
static public final int maxStringLength = 65535;
static public final int maxArrayLength = 8191;
static public final int maxDictionaryLength = 4095;
static public final int maxGsStackDepth = 28;
protected int gsStackDepth = 0;
protected boolean rgbUsed = false;
protected boolean cmykUsed = false;
protected boolean grayUsed = false;
PdfA1Checker(PdfAConformanceLevel conformanceLevel) {
super(conformanceLevel);
}
@Override
protected HashSet initKeysForCheck() {
return keysForCheck;
}
@Override
protected void checkFont(PdfWriter writer, int key, Object obj1) {
BaseFont bf = (BaseFont) obj1;
if (bf.getFontType() == BaseFont.FONT_TYPE_DOCUMENT) {
PdfStream prs = null;
PdfDictionary fontDictionary = ((DocumentFont) bf).getFontDictionary();
PdfDictionary fontDescriptor = getDirectDictionary(fontDictionary.get(PdfName.FONTDESCRIPTOR));
if (fontDescriptor != null) {
prs = getDirectStream(fontDescriptor.get(PdfName.FONTFILE));
if (prs == null) {
prs = getDirectStream(fontDescriptor.get(PdfName.FONTFILE2));
}
if (prs == null) {
prs = getDirectStream(fontDescriptor.get(PdfName.FONTFILE3));
}
}
if (prs == null) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("all.the.fonts.must.be.embedded.this.one.isn.t.1", ((BaseFont) obj1).getPostscriptFontName()));
}
} else {
if (!bf.isEmbedded())
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("all.the.fonts.must.be.embedded.this.one.isn.t.1", ((BaseFont) obj1).getPostscriptFontName()));
}
}
@Override
protected void checkImage(PdfWriter writer, int key, Object obj1) {
PdfImage image = (PdfImage) obj1;
if (image.get(PdfName.SMASK) != null && !PdfName.NONE.equals(image.getAsName(PdfName.SMASK)))
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.smask.key.is.not.allowed.in.images"));
if (image.contains(PdfName.ALTERNATES)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.image.dictionary.shall.not.contain.alternates.key"));
}
if (image.contains(PdfName.OPI)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.image.dictionary.shall.not.contain.opi.key"));
}
PdfBoolean interpolate = image.getAsBoolean(PdfName.INTERPOLATE);
if (interpolate != null && interpolate.booleanValue()) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.value.of.interpolate.key.shall.not.be.true"));
}
PdfName intent = image.getAsName(PdfName.INTENT);
if (intent != null && !(PdfName.RELATIVECOLORIMETRIC.equals(intent) || PdfName.ABSOLUTECOLORIMETRIC.equals(intent) || PdfName.PERCEPTUAL.equals(intent) || PdfName.SATURATION.equals(intent))) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("1.value.of.intent.key.is.not.allowed", intent.toString()));
}
}
@Override
protected void checkFormXObj(PdfWriter writer, int key, Object obj1) {
//For PDF/A-1 it is enough to check a form xObject at the addToBody... only.
}
@Override
protected void checkInlineImage(PdfWriter writer, int key, Object obj1) {}
@Override
protected void checkGState(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfDictionary) {
PdfDictionary gs = (PdfDictionary) obj1;
PdfObject obj = gs.get(PdfName.BM);
if (obj != null && !PdfGState.BM_NORMAL.equals(obj) && !PdfGState.BM_COMPATIBLE.equals(obj))
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("blend.mode.1.not.allowed", obj.toString()));
obj = gs.get(PdfName.CA);
double v = 0.0;
if (obj != null && (v = ((PdfNumber) obj).doubleValue()) != 1.0)
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("transparency.is.not.allowed.ca.eq.1", String.valueOf(v)));
obj = gs.get(PdfName.ca);
v = 0.0;
if (obj != null && (v = ((PdfNumber) obj).doubleValue()) != 1.0)
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("transparency.is.not.allowed.ca.eq.1", String.valueOf(v)));
if (gs.contains(PdfName.TR)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.extgstate.dictionary.shall.not.contain.the.tr.key"));
}
PdfName tr2 = gs.getAsName(PdfName.TR2);
if (tr2 != null && !tr2.equals(PdfName.DEFAULT)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.extgstate.dictionary.shall.not.contain.the.TR2.key.with.a.value.other.than.default"));
}
PdfName ri = gs.getAsName(PdfName.RI);
if (ri != null && !(PdfName.RELATIVECOLORIMETRIC.equals(ri) || PdfName.ABSOLUTECOLORIMETRIC.equals(ri) || PdfName.PERCEPTUAL.equals(ri) || PdfName.SATURATION.equals(ri))) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("1.value.of.ri.key.is.not.allowed", ri.toString()));
}
if (gs.get(PdfName.SMASK) != null && !PdfName.NONE.equals(gs.getAsName(PdfName.SMASK)))
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.smask.key.is.not.allowed.in.extgstate"));
}
}
@Override
protected void checkLayer(PdfWriter writer, int key, Object obj1) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("layers.are.not.allowed"));
}
@Override
protected void checkTrailer(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfWriter.PdfTrailer) {
PdfWriter.PdfTrailer trailer = (PdfWriter.PdfTrailer) obj1;
if (trailer.get(PdfName.ENCRYPT) != null) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("keyword.encrypt.shall.not.be.used.in.the.trailer.dictionary"));
}
}
}
@Override
protected void checkStream(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfStream) {
PdfStream stream = (PdfStream) obj1;
if (stream.contains(PdfName.F) || stream.contains(PdfName.FFILTER) || stream.contains(PdfName.FDECODEPARMS)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("stream.object.dictionary.shall.not.contain.the.f.ffilter.or.fdecodeparams.keys"));
}
PdfObject filter = getDirectObject(stream.get(PdfName.FILTER));
if (filter instanceof PdfName) {
if (filter.equals(PdfName.LZWDECODE))
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("lzwdecode.filter.is.not.permitted"));
} else if (filter instanceof PdfArray) {
for (PdfObject f : ((PdfArray) filter)) {
if (f.equals(PdfName.LZWDECODE))
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("lzwdecode.filter.is.not.permitted"));
}
}
if (PdfName.FORM.equals(stream.getAsName(PdfName.SUBTYPE))) {
if (stream.contains(PdfName.OPI)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("a.form.xobject.dictionary.shall.not.contain.opi.key"));
}
if (stream.contains(PdfName.PS)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("a.form.xobject.dictionary.shall.not.contain.ps.key"));
}
PdfDictionary group = getDirectDictionary(stream.get(PdfName.GROUP));
if (group != null) {
PdfName s = group.getAsName(PdfName.S);
if (PdfName.TRANSPARENCY.equals(s)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("a.group.object.with.an.s.key.with.a.value.of.transparency.shall.not.be.included.in.a.form.xobject"));
}
}
}
if (PdfName.PS.equals(stream.getAsName(PdfName.SUBTYPE))) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("postscript.xobjects.are.not.allowed"));
}
}
}
@Override
protected void checkFileSpec(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfFileSpecification) {
PdfFileSpecification fileSpec = (PdfFileSpecification) obj1;
if (fileSpec.contains(PdfName.EF)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("embedded.files.are.not.permitted"));
}
}
}
@Override
protected void checkPdfObject(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfNumber) {
PdfNumber number = (PdfNumber) obj1;
if (Math.abs(number.doubleValue()) > maxRealValue && number.toString().contains(".")) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("real.number.is.out.of.range"));
}
} else if (obj1 instanceof PdfString) {
PdfString string = (PdfString) obj1;
if (string.getBytes().length > maxStringLength) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("pdf.string.is.too.long"));
}
} else if (obj1 instanceof PdfArray) {
PdfArray array = (PdfArray) obj1;
if (array.size() > maxArrayLength) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("pdf.array.exceeds.length.set.by.PDFA1.standard", Integer.toString(array.size())));
}
} else if (obj1 instanceof PdfDictionary) {
PdfDictionary dictionary = (PdfDictionary) obj1;
if (dictionary.size() > maxDictionaryLength) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("pdf.dictionary.is.out.of.bounds"));
}
PdfName type = dictionary.getAsName(PdfName.TYPE);
if (PdfName.CATALOG.equals(type)) {
if (!dictionary.contains(PdfName.METADATA)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.document.catalog.dictionary.shall.contain.metadata"));
}
if (dictionary.contains(PdfName.AA)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.document.catalog.dictionary.shall.not.include.an.aa.entry"));
}
if (dictionary.contains(PdfName.NAMES)) {
PdfDictionary names = getDirectDictionary(dictionary.get(PdfName.NAMES));
if (names != null && names.contains(PdfName.EMBEDDEDFILES)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.document.catalog.dictionary.shall.not.include.embeddedfiles.names.entry"));
}
}
if (checkStructure(conformanceLevel)) {
PdfDictionary markInfo = getDirectDictionary(dictionary.get(PdfName.MARKINFO));
if (markInfo == null || markInfo.getAsBoolean(PdfName.MARKED) == null || markInfo.getAsBoolean(PdfName.MARKED).booleanValue() == false) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("document.catalog.dictionary.shall.include.a.markinfo.dictionary.whose.entry.marked.shall.have.a.value.of.true"));
}
if (!dictionary.contains(PdfName.LANG)) {
LOGGER.warning(MessageLocalization.getComposedMessage("document.catalog.dictionary.should.contain.lang.entry"));
}
}
} else if (PdfName.PAGE.equals(type)) {
if (dictionary.contains(PdfName.AA)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("page.dictionary.shall.not.include.aa.entry"));
}
} else if (PdfName.OUTPUTINTENT.equals(type)) {
isCheckOutputIntent = true;
PdfObject destOutputIntent = dictionary.get(PdfName.DESTOUTPUTPROFILE);
if (destOutputIntent != null && pdfaDestOutputIntent != null) {
if (pdfaDestOutputIntent.getIndRef() != destOutputIntent.getIndRef())
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("if.outputintents.array.more.than.one.entry.the.same.indirect.object"));
} else {
pdfaDestOutputIntent = destOutputIntent;
}
PdfName gts = dictionary.getAsName(PdfName.S);
if (pdfaDestOutputIntent != null) {
if (PdfName.GTS_PDFA1.equals(gts)) {
if (pdfaOutputIntentColorSpace != null)
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("a.pdfa.file.may.have.only.one.pdfa.outputintent"));
pdfaOutputIntentColorSpace = "";
ICC_Profile icc_profile = writer.getColorProfile();
try {
pdfaOutputIntentColorSpace = new String(icc_profile.getData(), 16, 4, "US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new ExceptionConverter(e);
}
}
} else {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("outputintent.shall.have.gtspdfa1.and.destoutputintent"));
}
}
}
}
@Override
protected void checkCanvas(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof String) {
if ("q".equals(obj1)) {
if (++gsStackDepth > maxGsStackDepth)
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("graphics.state.stack.depth.is.greater.than.28"));
} else if ("Q".equals(obj1)) {
gsStackDepth--;
}
}
}
@Override
protected void checkColor(PdfWriter writer, int key, Object obj1) {
switch (key) {
case PdfIsoKeys.PDFISOKEY_COLOR:
if (obj1 instanceof ExtendedColor) {
ExtendedColor ec = (ExtendedColor) obj1;
switch (ec.getType()) {
case ExtendedColor.TYPE_CMYK:
checkColor(writer, PdfIsoKeys.PDFISOKEY_CMYK, obj1);
break;
case ExtendedColor.TYPE_GRAY:
checkColor(writer, PdfIsoKeys.PDFISOKEY_GRAY, obj1);
return;
case ExtendedColor.TYPE_RGB:
checkColor(writer, PdfIsoKeys.PDFISOKEY_RGB, obj1);
break;
case ExtendedColor.TYPE_SEPARATION:
SpotColor sc = (SpotColor) ec;
checkColor(writer, PdfIsoKeys.PDFISOKEY_COLOR, sc.getPdfSpotColor().getAlternativeCS());
break;
case ExtendedColor.TYPE_SHADING:
ShadingColor xc = (ShadingColor) ec;
checkColor(writer, PdfIsoKeys.PDFISOKEY_COLOR, xc.getPdfShadingPattern().getShading().getColorSpace());
break;
case ExtendedColor.TYPE_PATTERN:
PatternColor pc = (PatternColor) ec;
checkColor(writer, PdfIsoKeys.PDFISOKEY_COLOR, pc.getPainter().getDefaultColor());
break;
}
} else if (obj1 instanceof BaseColor)
checkColor(writer, PdfIsoKeys.PDFISOKEY_RGB, obj1);
break;
case PdfIsoKeys.PDFISOKEY_CMYK:
if (rgbUsed) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("devicergb.and.devicecmyk.colorspaces.cannot.be.used.both.in.one.file"));
}
cmykUsed = true;
break;
case PdfIsoKeys.PDFISOKEY_RGB:
if (cmykUsed) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("devicergb.and.devicecmyk.colorspaces.cannot.be.used.both.in.one.file"));
}
rgbUsed = true;
break;
case PdfIsoKeys.PDFISOKEY_GRAY:
grayUsed = true;
break;
}
}
@Override
protected void checkAnnotation(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfFormField) {
PdfFormField field = (PdfFormField) obj1;
if (!field.contains(PdfName.SUBTYPE))
return;
if (field.contains(PdfName.AA) || field.contains(PdfName.A)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("widget.annotation.dictionary.or.field.dictionary.shall.not.include.a.or.aa.entry"));
}
}
if (obj1 instanceof PdfAnnotation) {
PdfAnnotation annot = (PdfAnnotation) obj1;
PdfObject subtype = annot.get(PdfName.SUBTYPE);
if (subtype == null) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("annotation.type.1.not.allowed", "null"));
}
if (subtype != null && !allowedAnnotTypes.contains(subtype)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("annotation.type.1.not.allowed", subtype.toString()));
}
PdfNumber ca = annot.getAsNumber(PdfName.CA);
if (ca != null && ca.floatValue() != 1.0) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.annotation.dictionary.shall.not.contain.the.ca.key.with.a.value.other.than.1"));
}
PdfNumber f = annot.getAsNumber(PdfName.F);
if (f == null) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("an.annotation.dictionary.shall.contain.the.f.key"));
}
int flags = f.intValue();
if (checkFlag(flags, PdfAnnotation.FLAGS_PRINT) == false || checkFlag(flags, PdfAnnotation.FLAGS_HIDDEN) == true ||
checkFlag(flags, PdfAnnotation.FLAGS_INVISIBLE) == true || checkFlag(flags, PdfAnnotation.FLAGS_NOVIEW) == true) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("the.f.keys.print.flag.bit.shall.be.set.to.1.and.its.hidden.invisible.and.noview.flag.bits.shall.be.set.to.0"));
}
if (PdfName.TEXT.equals(annot.getAsName(PdfName.SUBTYPE))) {
if (checkFlag(flags, PdfAnnotation.FLAGS_NOZOOM) == false || checkFlag(flags, PdfAnnotation.FLAGS_NOROTATE) == false) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("text.annotations.should.set.the.nozoom.and.norotate.flag.bits.of.the.f.key.to.1"));
}
}
if (annot.contains(PdfName.C) || annot.contains(PdfName.IC)) {
ICC_Profile colorProfile = ((PdfAWriter) writer).getColorProfile();
String cs = "";
try {
cs = new String(colorProfile.getData(), 16, 4, "US-ASCII");
} catch (UnsupportedEncodingException e) {
throw new ExceptionConverter(e);
}
if (!"RGB ".equalsIgnoreCase(cs)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("destoutputprofile.in.the.pdfa1.outputintent.dictionary.shall.be.rgb"));
}
}
PdfDictionary ap = getDirectDictionary(annot.get(PdfName.AP));
if (ap != null) {
if (ap.contains(PdfName.R) || ap.contains(PdfName.D)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("appearance.dictionary.shall.contain.only.the.n.key.with.stream.value"));
}
PdfObject n = ap.get(PdfName.N);
if (!(n instanceof PdfIndirectReference)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("appearance.dictionary.shall.contain.only.the.n.key.with.stream.value"));
}
}
if (PdfName.WIDGET.equals(annot.getAsName(PdfName.SUBTYPE)) && (annot.contains(PdfName.AA) || annot.contains(PdfName.A))) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("widget.annotation.dictionary.or.field.dictionary.shall.not.include.a.or.aa.entry"));
}
if (checkStructure(conformanceLevel)) {
if (contentAnnotations.contains(subtype) && !annot.contains(PdfName.CONTENTS)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("annotation.of.type.1.should.have.contents.key", subtype.toString()));
}
}
}
}
@Override
protected void checkAction(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfAction) {
PdfAction action = (PdfAction) obj1;
PdfName s = action.getAsName(PdfName.S);
if (setState.equals(s) || noOp.equals(s)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("deprecated.setstate.and.noop.actions.are.not.allowed"));
}
if (restrictedActions.contains(s)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("launch.sound.movie.resetform.importdata.and.javascript.actions.are.not.allowed"));
}
if (PdfName.NAMED.equals(s)) {
PdfName n = action.getAsName(PdfName.N);
if (n != null && !allowedNamedActions.contains(n)) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("named.action.type.1.not.allowed", n.toString()));
}
}
}
}
@Override
protected void checkForm(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfAcroForm) {
PdfAcroForm form = (PdfAcroForm) obj1;
PdfBoolean needAppearances = form.getAsBoolean(PdfName.NEEDAPPEARANCES);
if (needAppearances != null && needAppearances.booleanValue()) {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("needappearances.flag.of.the.interactive.form.dictionary.shall.either.not.be.present.or.shall.be.false"));
}
}
}
@Override
protected void checkStructElem(PdfWriter writer, int key, Object obj1) {
if (obj1 instanceof PdfStructureElement) {
PdfStructureElement structElem = (PdfStructureElement) obj1;
PdfName role = structElem.getStructureType();
if (PdfName.FIGURE.equals(role) || PdfName.FORMULA.equals(role) || PdfName.FORM.equals(role)) {
PdfObject o = structElem.get(PdfName.ALT);
if (o instanceof PdfString && o.toString().length() > 0) {
} else {
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("alt.entry.should.specify.alternate.description.for.1.element", role.toString()));
}
}
}
}
@Override
protected void checkOutputIntent(PdfWriter writer, int key, Object obj1) {
if (writer instanceof PdfAStamperImp && writer.getColorProfile() != null)
throw new PdfAConformanceException(obj1, MessageLocalization.getComposedMessage("outputintent.shall.not.be.updated"));
}
@Override
public void close(PdfWriter writer) {
checkOutputIntentsInStamperMode(writer);
if ((rgbUsed || cmykUsed || grayUsed) && pdfaOutputIntentColorSpace == null) {
throw new PdfAConformanceException(null, MessageLocalization.getComposedMessage("if.device.rgb.cmyk.gray.used.in.file.that.file.shall.contain.pdfa.outputintent"));
}
if ("RGB ".equals(pdfaOutputIntentColorSpace)) {
if (cmykUsed)
throw new PdfAConformanceException(null, MessageLocalization.getComposedMessage("devicecmyk.may.be.used.only.if.the.file.has.a.cmyk.pdfa.outputIntent"));
} else if ("CMYK".equals(pdfaOutputIntentColorSpace)) {
if (rgbUsed)
throw new PdfAConformanceException(null, MessageLocalization.getComposedMessage("devicergb.may.be.used.only.if.the.file.has.a.rgb.pdfa.outputIntent"));
} else {
if (cmykUsed)
throw new PdfAConformanceException(null, MessageLocalization.getComposedMessage("devicecmyk.may.be.used.only.if.the.file.has.a.cmyk.pdfa.outputIntent"));
if (rgbUsed)
throw new PdfAConformanceException(null, MessageLocalization.getComposedMessage("devicergb.may.be.used.only.if.the.file.has.a.rgb.pdfa.outputIntent"));
}
}
}
