1 | package loci.formats; |
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2 | |
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3 | import java.io.File; |
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4 | import java.io.FileInputStream; |
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5 | import java.io.IOException; |
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6 | import java.nio.file.Files; |
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7 | import java.nio.file.Path; |
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8 | import java.nio.file.Paths; |
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9 | |
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10 | import org.apache.commons.vfs2.FileObject; |
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11 | import org.apache.commons.vfs2.FileSystemManager; |
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12 | import org.apache.commons.vfs2.VFS; |
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13 | |
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14 | public class HiddenTest { |
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15 | |
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16 | private String file; |
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17 | private long repeatCount; |
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18 | |
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19 | public HiddenTest(String file, long repeatCount) { |
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20 | this.file = file; |
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21 | this.repeatCount = repeatCount; |
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22 | } |
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23 | |
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24 | public void run() { |
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25 | testFileHidden(); |
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26 | testFilesHidden(); |
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27 | testDOSHidden(); |
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28 | testFileInputStream(); |
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29 | testVFSHidden(); |
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30 | } |
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31 | |
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32 | private void testFileHidden() { |
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33 | long t0 = System.currentTimeMillis(); |
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34 | for (long i=0; i<repeatCount; i++) { |
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35 | File f = new File(file); |
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36 | f.isHidden(); |
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37 | } |
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38 | long t1 = System.currentTimeMillis(); |
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39 | logTime(t1 - t0, "java.io.File"); |
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40 | } |
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41 | |
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42 | private void testFilesHidden() { |
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43 | long t0 = System.currentTimeMillis(); |
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44 | for (long i=0; i<repeatCount; i++) { |
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45 | Path p = Paths.get(file); |
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46 | try { |
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47 | Files.isHidden(p); |
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48 | } |
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49 | catch (IOException e) { } |
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50 | } |
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51 | long t1 = System.currentTimeMillis(); |
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52 | logTime(t1 - t0, "java.nio.file.Files"); |
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53 | } |
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54 | |
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55 | private void testDOSHidden() { |
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56 | long t0 = System.currentTimeMillis(); |
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57 | for (long i=0; i<repeatCount; i++) { |
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58 | Path p = Paths.get(file); |
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59 | try { |
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60 | Files.getAttribute(p, "dos:hidden"); |
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61 | } |
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62 | catch (IOException e) { } |
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63 | } |
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64 | long t1 = System.currentTimeMillis(); |
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65 | logTime(t1 - t0, "dos:hidden"); |
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66 | } |
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67 | |
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68 | private void testFileInputStream() { |
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69 | long t0 = System.currentTimeMillis(); |
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70 | for (long i=0; i<repeatCount; i++) { |
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71 | try { |
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72 | FileInputStream fis = new FileInputStream(file); |
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73 | fis.read(); |
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74 | fis.close(); |
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75 | } |
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76 | catch (IOException e) { } |
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77 | } |
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78 | long t1 = System.currentTimeMillis(); |
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79 | logTime(t1 - t0, "FileInputStream"); |
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80 | } |
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81 | |
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82 | private void testVFSHidden() { |
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83 | long t0 = System.currentTimeMillis(); |
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84 | try { |
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85 | FileSystemManager fsManager = VFS.getManager(); |
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86 | for (long i=0; i<repeatCount; i++) { |
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87 | FileObject fo = fsManager.resolveFile(file); |
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88 | fo.isHidden(); |
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89 | } |
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90 | } |
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91 | catch (Exception e) { |
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92 | e.printStackTrace(); |
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93 | } |
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94 | long t1 = System.currentTimeMillis(); |
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95 | logTime(t1 - t0, "Apache Commons VFS"); |
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96 | } |
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97 | |
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98 | private void logTime(long totalTime, String method) { |
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99 | System.out.println(method + " total time (" + repeatCount + ") calls: " + totalTime + " ms"); |
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100 | System.out.println(method + " avg time per call: " + (totalTime / (double) repeatCount) + " ms"); |
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101 | } |
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102 | |
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103 | public static void main(String[] args) throws Exception { |
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104 | HiddenTest test = new HiddenTest(args[0], Long.parseLong(args[1])); |
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105 | test.run(); |
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106 | } |
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107 | |
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108 | } |
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