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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6 | ls | 1 | /* ============================================================================ |
| 2 | # Create |
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| 3 | # name : Andre Rikkert de Koe date: apr 2011 |
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| 4 | # descr : filefind |
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| 5 | # This is a demo of programming in the java language. |
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| 6 | # Its part of a project to implement a program to create a directory |
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| 7 | # tree similar to the output of the Unix find program. |
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| 8 | # EUID : Any user who has read access to all the files being searched for. |
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| 9 | # run : interactive |
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| 10 | # |
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| 11 | # Changes |
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| 12 | # name : date: |
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| 13 | # descr : short description |
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| 14 | # |
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| 15 | # ========================================================================== */ |
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| 16 | |||
| 17 | import java.io.*; |
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| 18 | import java.util.*; |
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| 19 | |||
| 20 | public class filefind /*implements Runnable */ |
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| 21 | { |
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| 22 | protected File base; |
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| 23 | protected PrintStream out; |
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| 24 | |||
| 25 | static void Usage(String progname, String mesg) |
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| 26 | { |
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| 27 | System.out.println("Usage: " + progname + " directory"); |
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| 28 | System.out.println(mesg); |
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| 29 | } |
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| 30 | |||
| 31 | static boolean issymlink(File file1) |
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| 32 | { |
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| 33 | boolean result; |
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| 34 | try |
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| 35 | { |
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| 36 | result = !file1.getAbsolutePath().equals(file1.getCanonicalPath()); |
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| 37 | } |
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| 38 | catch (IOException ie) |
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| 39 | { |
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| 40 | System.err.println("Caught IOException: " + ie.getMessage()); |
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| 41 | result = false; |
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| 42 | } |
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| 43 | return result; |
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| 44 | } |
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| 45 | /** |
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| 46 | * Create a filefind object for the given string, with |
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| 47 | * a print indentation given. |
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| 48 | */ |
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| 49 | public filefind(String filename) |
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| 50 | { |
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| 51 | base = new File(filename); |
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| 52 | } |
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| 53 | |||
| 54 | public void start_traverse(String directory) |
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| 55 | { |
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| 56 | System.out.println(directory); |
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| 57 | traverse(base); |
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| 58 | } |
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| 59 | |||
| 60 | static void traverse(File b) |
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| 61 | { |
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| 62 | String curdir; |
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| 63 | curdir = b.getAbsolutePath(); |
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| 64 | System.setProperty("user.dir",curdir); |
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| 65 | |||
| 66 | File [] subs = b.listFiles(); |
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| 67 | for(int i = 0; i < subs.length; i++) |
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| 68 | { |
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| 69 | //File f2 = new File(subs[i]); |
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| 70 | if (subs[i].isDirectory() && !issymlink(subs[i])) |
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| 71 | { |
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| 72 | System.out.println(subs[i]); |
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| 73 | traverse(subs[i]); |
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| 74 | } |
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| 75 | else |
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| 76 | { |
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| 77 | System.out.println(subs[i]); |
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| 78 | } |
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| 79 | } |
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| 80 | System.setProperty("user.dir",curdir); |
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| 81 | } |
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| 82 | |||
| 83 | /* ============================================================================ |
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| 84 | # MAIN |
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| 85 | # ========================================================================== */ |
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| 86 | |||
| 87 | public static void main(String [] args) |
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| 88 | { |
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| 89 | String basename; |
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| 90 | String progname = "filefind"; |
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| 91 | if (args.length == 1) |
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| 92 | { |
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| 93 | basename = args[0]; |
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| 94 | File base = new File(basename); |
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| 95 | if (base.isDirectory()) |
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| 96 | { |
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| 97 | filefind walker = new filefind(basename); |
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| 98 | //walker.setOutput(System.out); |
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| 99 | walker.start_traverse(basename); |
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| 100 | } |
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| 101 | else |
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| 102 | { |
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| 103 | Usage(progname, "ERROR: No directory " + basename + " found"); |
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| 104 | } |
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| 105 | } |
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| 106 | else |
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| 107 | Usage(progname, "ERROR: 1 argument expected"); |
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| 108 | } |
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| 109 | } |