Mercurial > hg > graal-compiler
comparison mxtool/URLConnectionDownload.java @ 15922:2022366b513c
mx: add verbose mode to download helper
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Tue, 27 May 2014 12:14:54 +0200 |
parents | db072eec897e |
children | 3152f72f5cda |
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15921:6d8c901814eb | 15922:2022366b513c |
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40 * arg[0] is the path where to write the content. The remainder | 40 * arg[0] is the path where to write the content. The remainder |
41 * of args are the URLs to try, stopping after the first | 41 * of args are the URLs to try, stopping after the first |
42 * successful one | 42 * successful one |
43 */ | 43 */ |
44 public static void main(String[] args) { | 44 public static void main(String[] args) { |
45 File path = new File(args[0]); | 45 File path = new File(args[0]); |
46 String[] urls = new String[args.length - 1]; | 46 boolean verbose = args[1].equals("-v"); |
47 System.arraycopy(args, 1, urls, 0, urls.length); | 47 int offset = verbose ? 2 : 1; |
48 String[] urls = new String[args.length - offset]; | |
49 System.arraycopy(args, offset, urls, 0, urls.length); | |
48 | 50 |
49 File parent = path.getParentFile(); | 51 File parent = path.getParentFile(); |
50 makeDirectory(parent); | 52 makeDirectory(parent); |
51 | 53 |
52 // Enable use of system proxies | 54 // Enable use of system proxies |
90 int read = 0; | 92 int read = 0; |
91 byte[] buf = new byte[8192]; | 93 byte[] buf = new byte[8192]; |
92 int n = 0; | 94 int n = 0; |
93 while ((read = in.read(buf)) != -1) { | 95 while ((read = in.read(buf)) != -1) { |
94 n += read; | 96 n += read; |
95 long percent = ((long) n * 100 / size); | 97 if (verbose) { |
96 System.err.print("\r " + n + " bytes " + (size == -1 ? "" : " (" + percent + "%)")); | 98 long percent = ((long) n * 100 / size); |
99 System.err.print("\r " + n + " bytes " + (size == -1 ? "" : " (" + percent + "%)")); | |
100 } | |
97 out.write(buf, 0, read); | 101 out.write(buf, 0, read); |
98 } | 102 } |
99 System.err.println(); | 103 System.err.println(); |
100 out.close(); | 104 out.close(); |
101 in.close(); | 105 in.close(); |