Mercurial > hg > graal-compiler
annotate mxtool/URLConnectionDownload.java @ 9686:69ac49574222
PEA: virtualizing CommitAllocationNode and AllocatedObjectNode is not useful progress
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 14 May 2013 14:47:16 +0200 |
parents | db072eec897e |
children | 2022366b513c |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 import java.io.*; |
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24 import java.net.*; |
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25 import java.util.*; |
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26 import java.util.regex.*; |
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27 |
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28 /** |
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29 * Downloads content from a given URL to a given file. |
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30 * |
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31 * @param path where to write the content |
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32 * @param urls the URLs to try, stopping after the first successful one |
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33 */ |
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34 public class URLConnectionDownload { |
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35 |
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36 /** |
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37 * Downloads content from a given URL to a given file. |
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38 * |
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39 * @param args |
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40 * arg[0] is the path where to write the content. The remainder |
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41 * of args are the URLs to try, stopping after the first |
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42 * successful one |
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43 */ |
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44 public static void main(String[] args) { |
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45 File path = new File(args[0]); |
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46 String[] urls = new String[args.length - 1]; |
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47 System.arraycopy(args, 1, urls, 0, urls.length); |
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48 |
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49 File parent = path.getParentFile(); |
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50 makeDirectory(parent); |
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51 |
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52 // Enable use of system proxies |
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53 System.setProperty("java.net.useSystemProxies", "true"); |
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54 |
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55 String proxy = System.getenv("HTTP_PROXY"); |
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56 if (proxy == null) { |
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57 proxy = System.getenv("http_proxy"); |
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58 } |
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59 |
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60 String proxyMsg = ""; |
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61 if (proxy != null) { |
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62 Pattern p = Pattern.compile("(?:http://)?([^:]+)(:\\d+)?"); |
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63 Matcher m = p.matcher(proxy); |
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64 if (m.matches()) { |
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65 String host = m.group(1); |
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66 String port = m.group(2); |
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67 System.setProperty("http.proxyHost", host); |
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68 if (port != null) { |
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69 port = port.substring(1); // strip ':' |
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70 System.setProperty("http.proxyPort", port); |
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71 } |
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72 proxyMsg = " via proxy " + proxy; |
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73 } else { |
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74 System.err.println("Value of HTTP_PROXY is not valid: " + proxy); |
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75 } |
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76 } else { |
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77 System.err.println("** If behind a firewall without direct internet access, use the HTTP_PROXY environment variable (e.g. 'env HTTP_PROXY=proxy.company.com:80 max ...') or download manually with a web browser."); |
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78 } |
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79 |
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80 for (String s : urls) { |
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81 try { |
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82 System.err.println("Downloading " + s + " to " + path + proxyMsg); |
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83 URL url = new URL(s); |
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84 URLConnection conn = url.openConnection(); |
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85 // 10 second timeout to establish connection |
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86 conn.setConnectTimeout(10000); |
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87 InputStream in = conn.getInputStream(); |
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88 int size = conn.getContentLength(); |
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89 FileOutputStream out = new FileOutputStream(path); |
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90 int read = 0; |
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91 byte[] buf = new byte[8192]; |
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92 int n = 0; |
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93 while ((read = in.read(buf)) != -1) { |
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94 n += read; |
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95 long percent = ((long) n * 100 / size); |
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96 System.err.print("\r " + n + " bytes " + (size == -1 ? "" : " (" + percent + "%)")); |
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97 out.write(buf, 0, read); |
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98 } |
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99 System.err.println(); |
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100 out.close(); |
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101 in.close(); |
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102 return; |
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103 } catch (MalformedURLException e) { |
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104 throw new Error("Error in URL " + s, e); |
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105 } catch (IOException e) { |
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106 System.err.println("Error reading from " + s + ": " + e); |
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107 path.delete(); |
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108 } |
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109 } |
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110 throw new Error("Could not download content to " + path + " from " + Arrays.toString(urls)); |
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111 } |
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112 |
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113 private static void makeDirectory(File directory) { |
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114 if (!directory.exists() && !directory.mkdirs()) { |
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115 throw new Error("Could not make directory " + directory); |
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116 } |
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117 } |
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118 } |
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119 |