Fix PDF/A check for annotations

Additional actions (AA key) are forbidden for annotations in all pdf/a versions.

Author: yulian-gaponenko

pdfa/src/main/java/com/itextpdf/pdfa/PdfAConformanceException.java

@@ -16,6 +16,7 @@ public class PdfAConformanceException extends PdfException {
     public static final String AllColourChannelsInTheJpeg2000DataShallHaveTheSameBitDepth = "all.colour.channels.in.the.jpeg2000.data.shall.have.the.same.bit-depth";
     public static final String AllHalftonesShallHaveHalftonetype1Or5 = "all.halftones.shall.have.halftonetype.1.or.5";
     public static final String AnAnnotationDictionaryShallContainTheFKey = "an.annotation.dictionary.shall.contain.the.f.key";
+    public static final String AnAnnotationDictionaryShallNotContainAAKey = "an.annotation.dictionary.shall.not.contain.aa.key";
     public static final String AnAnnotationDictionaryShallNotContainTheCaKeyWithAValueOtherThan1 = "an.annotation.dictionary.shall.not.contain.the.ca.key.with.a.value.other.than.1";
     public static final String AnExtgstateDictionaryShallNotContainTheHTPKey = "an.extgstate.dictionary.shall.not.contain.the.HTP.key";
     public static final String AnExtgstateDictionaryShallNotContainTheTR2KeyWithAValueOtherThanDefault = "an.extgstate.dictionary.shall.not.contain.the.TR2.key.with.a.value.other.than.default";

pdfa/src/main/java/com/itextpdf/pdfa/checker/PdfA1Checker.java

@@ -360,6 +360,10 @@ protected void checkAnnotation(PdfDictionary annotDic) {
             throw new PdfAConformanceException(PdfAConformanceException.WidgetAnnotationDictionaryOrFieldDictionaryShallNotIncludeAOrAAEntry);
         }
 
+        if (annotDic.containsKey(PdfName.AA)) {
+            throw new PdfAConformanceException(PdfAConformanceException.AnAnnotationDictionaryShallNotContainAAKey);
+        }
+
         if (checkStructure(conformanceLevel)) {
             if (contentAnnotations.contains(subtype) && !annotDic.containsKey(PdfName.Contents)) {
                 throw new PdfAConformanceException(PdfAConformanceException.AnnotationOfType1ShouldHaveContentsKey).setMessageParams(subtype);

pdfa/src/main/java/com/itextpdf/pdfa/checker/PdfA2Checker.java

@@ -281,6 +281,10 @@ protected void checkAnnotation(PdfDictionary annotDic) {
             throw new PdfAConformanceException(PdfAConformanceException.WidgetAnnotationDictionaryOrFieldDictionaryShallNotIncludeAOrAAEntry);
         }
 
+        if (annotDic.containsKey(PdfName.AA)) {
+            throw new PdfAConformanceException(PdfAConformanceException.AnAnnotationDictionaryShallNotContainAAKey);
+        }
+
         if (checkStructure(conformanceLevel)) {
             if (contentAnnotations.contains(subtype) && !annotDic.containsKey(PdfName.Contents)) {
                 throw new PdfAConformanceException(PdfAConformanceException.AnnotationOfType1ShouldHaveContentsKey).setMessageParams(subtype);

pdfa/src/main/java/com/itextpdf/pdfa/checker/PdfAChecker.java

@@ -14,6 +14,7 @@
 import com.itextpdf.kernel.pdf.PdfStream;
 import com.itextpdf.kernel.pdf.PdfString;
 import com.itextpdf.kernel.pdf.colorspace.PdfColorSpace;
+import com.itextpdf.pdfa.PdfAConformanceException;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -231,10 +232,6 @@ private void checkAnnotations(PdfDictionary page) {
                 if (action != null) {
                     checkAction(action);
                 }
-                action = annotDic.getAsDictionary(PdfName.AA);
-                if (action != null) {
-                    checkAction(action);
-                }
             }
         }
     }

pdfa/src/test/java/com/itextpdf/pdfa/PdfAFontTest.java

@@ -30,7 +30,7 @@
 public class PdfAFontTest {
 
     static final String sourceFolder = "./src/test/resources/com/itextpdf/pdfa/";
-    static final String outputDir = "./target/test/PdfA2/";
+    static final String outputDir = "./target/test/PdfAFontTest/";
 
     @BeforeClass
     static public void beforeClass() {