Review

finding-7

com/itextpdf/text/pdf/PdfFormField.java

mergeResources(PdfDictionary, PdfDictionary, PdfStamperImp)

class PdfFormField {
    static void mergeResources(PdfDictionary result, PdfDictionary source, PdfStamperImp writer) {
        PdfDictionary dic = null;
        PdfDictionary res = null;
        PdfName target = null;
        for (int k = 0; k < mergeTarget.length; ++k) {
            target = mergeTarget[k];
            PdfDictionary pdfDict = source.getAsDict(target);
            if ((dic = pdfDict) != null) {
                if ((res = (PdfDictionary)PdfReader.getPdfObject(result.get(target), result)) == null) {
                    res = new PdfDictionary();
                }
                res.mergeDifferent(dic);
                result.put(target, res);
                if (writer != null)
                    writer.markUsed(res);
            }
        }
    }

}