如何使用GZIPINPUT / GZIPOUTPUT流将.gz文件下载到temp文件夹

Question

Im downloading all gz format file from X site.After downloading all the files into temp folder when i exact with 0KB ..Pls help me out with code comments..Any changes in the code

 URL site = new URL (sb.toString());
         URLConnection uc = site.openConnection();             
        uc.setRequestProperty("Accept-Encoding", "gzip");//Here the change
        java.io.BufferedInputStream in = new BufferedInputStream(uc.getInputStream());
        //ZipInputStream gzin = new ZipInputStream(in);

         GZIPInputStream gzin = new GZIPInputStream(in);

         fileName = fileName.substring(fileName.lastIndexOf("/")+1);
         File destFile = new File("D:\\source\\"+fileName);
         java.io.FileOutputStream fos = new FileOutputStream(destFile);
         GZIPOutputStream gz = new GZIPOutputStream(fos);
         byte data[] = new byte[65536];
         int gsize = 0;
         while((gsize = gzin.read(data)) != -1)
         {
               gz.write(data, 0, gsize);
         }

Answer 1

Add

gz.close();

at the end.

Also, there is no point in unzipping something if you are immediately going to zip it again. Remove both the GZipInputStream and the GZipOutputStream from your code if you really want to save the zipped version, because that is what you are currently doing.