Java Doc for DocumentEncryption.java in  » PDF » PDFBox-0.7.3 » org » pdfbox » encryption » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » PDFBox 0.7.3 » org.pdfbox.encryption 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.pdfbox.encryption.DocumentEncryption

DocumentEncryption
public class DocumentEncryption (Code)
This class will deal with encrypting/decrypting a document.
author:
   Ben Litchfield
version:
   $Revision: 1.13 $
See Also:   org.pdfbox.pdmodel.encryption.StandardSecurityHandler



Constructor Summary
public  DocumentEncryption(PDDocument doc)
     Constructor.
public  DocumentEncryption(COSDocument doc)
     Constructor.

Method Summary
public  voiddecrypt(Object obj, long objNum, long genNum)
     This will dispatch to the correct method.
public  voiddecryptDocument(String password)
     This will decrypt the document.
public  voidinitForEncryption()
     This will encrypt the given document, given the owner password and user password.


Constructor Detail
DocumentEncryption
public DocumentEncryption(PDDocument doc)(Code)
Constructor.
Parameters:
  doc - The document to decrypt.



DocumentEncryption
public DocumentEncryption(COSDocument doc)(Code)
Constructor.
Parameters:
  doc - The document to decrypt.




Method Detail
decrypt
public void decrypt(Object obj, long objNum, long genNum) throws CryptographyException, IOException(Code)
This will dispatch to the correct method.
Parameters:
  obj - The object to decrypt.
Parameters:
  objNum - The object number.
Parameters:
  genNum - The object generation Number.
throws:
  CryptographyException - If there is an error decrypting the stream.
throws:
  IOException - If there is an error getting the stream data.



decryptDocument
public void decryptDocument(String password) throws CryptographyException, IOException, InvalidPasswordException(Code)
This will decrypt the document.
Parameters:
  password - The password for the document.
throws:
  CryptographyException - If there is an error decrypting the document.
throws:
  IOException - If there is an error getting the stream data.
throws:
  InvalidPasswordException - If the password is not a user or owner password.



initForEncryption
public void initForEncryption() throws CryptographyException, IOException(Code)
This will encrypt the given document, given the owner password and user password. The encryption method used is the standard filter.
throws:
  CryptographyException - If an error occurs during encryption.
throws:
  IOException - If there is an error accessing the data.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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