| 9 | |
| 10 | public class GZIPcompress { |
| 11 | public static void main(String[] args) { |
| 12 | if(args.length == 0) { |
| 13 | System.out.println( |
| 14 | "Usage: \nGZIPcompress file\n" + |
| 15 | "\tUses GZIP compression to compress " + |
| 16 | "the file to test.gz"); |
| 17 | System.exit(1); |
| 18 | } |
| 19 | try( |
| 20 | InputStream in = new BufferedInputStream( |
| 21 | new FileInputStream(args[0])); |
| 22 | BufferedOutputStream out = |
| 23 | new BufferedOutputStream( |
| 24 | new GZIPOutputStream( |
| 25 | new FileOutputStream("test.gz"))) |
| 26 | ) { |
| 27 | System.out.println("Writing file"); |
| 28 | int c; |
| 29 | while((c = in.read()) != -1) |
| 30 | out.write(c); |
| 31 | } catch(IOException e) { |
| 32 | throw new RuntimeException(e); |
| 33 | } |
| 34 | System.out.println("Reading file"); |
| 35 | try( |
| 36 | BufferedReader in2 = new BufferedReader( |
| 37 | new InputStreamReader(new GZIPInputStream( |
| 38 | new FileInputStream("test.gz")))) |
| 39 | ) { |
| 40 | in2.lines().forEach(System.out::println); |
| 41 | } catch(IOException e) { |
| 42 | throw new RuntimeException(e); |
| 43 | } |
| 44 | } |
| 45 | } |