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/*
* This class is part of the book "iText in Action - 2nd Edition"
* written by Bruno Lowagie (ISBN: 9781935182610)
* For more info, go to: http://itextpdf.com/examples/
* This example only works with the AGPL version of iText.
*/
package part4.chapter13;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.Map;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.AcroFields;
import com.itextpdf.text.pdf.BaseField;
import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfReader;
import part2.chapter08.Subscribe;
public class InspectForm {
/** A text file containing information about a form. */
public static final String RESULTTXT = "results/part4/chapter13/fieldflags.txt";
/**
* Inspects a PDF file src with the file dest as result
* @param src the original PDF
* @param dest the resulting PDF
* @throws IOException
* @throws DocumentException
*/
public void inspectPdf(String src, String dest)
throws IOException, DocumentException {
OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(dest));
PdfReader reader = new PdfReader(src);
AcroFields form = reader.getAcroFields();
Map<String,AcroFields.Item> fields = form.getFields();
AcroFields.Item item;
PdfDictionary dict;
int flags;
for (Map.Entry<String,AcroFields.Item> entry : fields.entrySet()) {
out.write(entry.getKey());
item = entry.getValue();
dict = item.getMerged(0);
flags = dict.getAsNumber(PdfName.FF).intValue();
if ((flags & BaseField.PASSWORD) > 0)
out.write(" -> password");
if ((flags & BaseField.MULTILINE) > 0)
out.write(" -> multiline");
out.write('\n');
}
out.flush();
out.close();
reader.close();
}
/**
* Inspects a form.
* @param args no arguments needed
* @throws IOException
* @throws DocumentException
*/
public static void main(String[] args) throws IOException, DocumentException {
new Subscribe().createPdf(Subscribe.RESULT);
new InspectForm().inspectPdf(Subscribe.RESULT, RESULTTXT);
}
}