Rename upload .pdf

Question

Solve ....
SOURCE CODE:
DECLARE
FILE_NAME VARCHAR2(900);
DIR varchar2(100);
DIR1 varchar2(100);
i integer;
BEGIN
file_name := Win_API_Dialog.Open_File('Select File to Copy From','D:\','pdf(*.pdf)|*.pdf|',TRUE,WIN_API.OFN_FLAG_DEFAULT,FALSE);
if file_name is not null then
i := instr(file_name,'\', -1,1);
if i <> 0 then
DIR := 'C:\PDF\'||substr(file_name,i+1);
DIR1 := 'C:\PDF\1234.PDF';
MESSAGE(DIR);PAUSE;
Win_Api_Utility.Copy_File(file_name,DIR,true,false);
Win_Api_Utility.Move_File(DIR, DIR1, TRUE);
message('UPLOAD Success');
else
message('UPLOAD REEOR');
raise form_trigger_failure;
end if;
end if;
end;
Edited by: 928060 on 2012/8/5 下午 6:41

Answer 1

I usually make make use of the command prompt to copy
one file from place to place...
U can use the other maethod too. It really depends on
how much you are trying to make use of the OS features
instead of the file handling in java!The point surely in Java is to make use of Javas platform independance rather than to make your code platform specific. By using File.renameTo(File) your are passing control to the FileSystem class anyway which is implemented as part of your JRE and will be optimised to use your local filesystem correctly. By monitoring with FileMon from http://www.sysinternals.com you can see that the operation is quite efficient as it is...