securityHandler.prepareDocumentForEncryption(document);
this.willEncrypt = true;
}
catch(IOException e)
{
throw new COSVisitorException( e );
}
catch(CryptographyException e)
{
throw new COSVisitorException( e );
}
}
else
{
this.willEncrypt = false;
}
COSDocument cosDoc = document.getDocument();
COSDictionary trailer = cosDoc.getTrailer();
COSArray idArray = (COSArray)trailer.getDictionaryObject( "ID" );
if( idArray == null )
{
try
{
//algothim says to use time/path/size/values in doc to generate
//the id. We don't have path or size, so do the best we can
MessageDigest md = MessageDigest.getInstance( "MD5" );
md.update( Long.toString( System.currentTimeMillis()).getBytes() );
COSDictionary info = (COSDictionary)trailer.getDictionaryObject( "Info" );
if( info != null )
{
Iterator values = info.getValues().iterator();
while( values.hasNext() )
{
md.update( values.next().toString().getBytes() );
}
}
idArray = new COSArray();
COSString id = new COSString( md.digest() );
idArray.add( id );
idArray.add( id );
trailer.setItem( "ID", idArray );
}
catch( NoSuchAlgorithmException e )
{
throw new COSVisitorException( e );
}
}
/*
List objects = doc.getObjects();