Java/PDF RTF/Encrypted PDF
Версия от 18:01, 31 мая 2010; (обсуждение)
Содержание
Encrypted PDF: Allow Assembly, FillIn, ScreenReaders, ModifyContents
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class EncryptedPDFAllowAssemblyFillInScreenReadersModifyContents {
public static void main(String[] args) {
Document document = new Document();
try {
PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("EncryptedPDFAllowAssemblyFillInScreenReadersModifyContents.pdf"));
// setEncryption(boolean strength, String userPassword, String
// ownerPassword, int permissions)
writer.setEncryption(PdfWriter.STRENGTH40BITS, "jexp.ru", "World",
PdfWriter.AllowAssembly | PdfWriter.AllowFillIn | PdfWriter.AllowScreenReaders| PdfWriter.AllowModifyContents);
document.open();
document.add(new Paragraph("Hello World"));
} catch (DocumentException de) {
System.err.println(de.getMessage());
} catch (IOException ioe) {
System.err.println(ioe.getMessage());
}
document.close();
}}
Encrypted PDF: AllowCopy, Printing
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class EncryptedPDFWithAllowCopyPrinting {
public static void main(String[] args) {
Document document = new Document();
try {
PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("EncryptedPDFWithAllowCopyPrinting.pdf"));
//setEncryption(boolean strength, String userPassword, String ownerPassword, int permissions)
writer.setEncryption(PdfWriter.STRENGTH128BITS, "jexp.ru", "World", PdfWriter.AllowCopy | PdfWriter.AllowPrinting);
document.open();
document.add(new Paragraph("Hello World"));
} catch (DocumentException de) {
System.err.println(de.getMessage());
} catch (IOException ioe) {
System.err.println(ioe.getMessage());
}
document.close();
}
}
Encrypted PDF with: User Password and Owner Password
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class EncryptedPDFWithUserPasswordOwnerPassword {
public static void main(String[] args) {
Document document = new Document();
try {
PdfWriter writer = PdfWriter.getInstance(document,new FileOutputStream("EncryptedPDFWithUserPasswordOwnerPassword.pdf"));
//setEncryption(boolean strength, String userPassword, String ownerPassword, int permissions)
writer.setEncryption(PdfWriter.STRENGTH128BITS, "jexp.ru", "World", PdfWriter.AllowCopy | PdfWriter.AllowPrinting);
document.open();
document.add(new Paragraph("Hello World"));
} catch (DocumentException de) {
System.err.println(de.getMessage());
} catch (IOException ioe) {
System.err.println(ioe.getMessage());
}
document.close();
}
}
Encryptor Example
import java.io.FileOutputStream;
import com.lowagie.text.pdf.PdfEncryptor;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
public class EncryptorExamplePDF {
public static void main(String[] args) {
try {
PdfReader reader = new PdfReader("YourOwnPDF.pdf");
PdfEncryptor.encrypt(reader, new FileOutputStream("EncryptorExamplePDF.pdf"), "Hello".getBytes(),
"World".getBytes(), PdfWriter.AllowPrinting | PdfWriter.AllowCopy, false);
} catch (Exception e) {
e.printStackTrace();
}
}
}