File/Directory part processing tool class Dealdir.java

Source: Internet
Author: User

  1. Package com.util;
  2. Import Java.io.File;
  3. Import Java.util.StringTokenizer;
  4. /**
  5. * File/Directory part processing
  6. * @createTime Dec, 7:06:58 AM
  7. * @version 1.0
  8. */
  9. Public class Dealdir {
  10. /** 
  11. * Get the suffix of the file and convert it to uppercase
  12. *
  13. * @param fileName
  14. * File name
  15. * @return
  16. */
  17. Public string Getfilesuffix (String fileName) throws Exception {
  18. return filename.substring (Filename.lastindexof (".") + 1,
  19. Filename.length ()). toUpperCase ();
  20. }
  21. /** 
  22. * Create multi-level catalogs
  23. *
  24. * @param path
  25. * Absolute path to Directory
  26. */
  27. public void Createmultileveldir (String path) {
  28. try {
  29. StringTokenizer st = New StringTokenizer (Path, "/");
  30. String path1 = st.nexttoken () + "/";
  31. String path2 = path1;
  32. While (St.hasmoretokens ()) {
  33. path1 = St.nexttoken () + "/";
  34. path2 + = path1;
  35. File Inbox = new file (path2);
  36. if (!inbox.exists ())
  37. Inbox.mkdir ();
  38. }
  39. } catch (Exception e) {
  40. System.out.println ("Directory creation failed" + E);
  41. E.printstacktrace ();
  42. }
  43. }
  44. /** 
  45. * Delete files/directories (recursively delete files/directories)
  46. *
  47. * @param path
  48. * Absolute path to file or folder
  49. */
  50. public void DeleteAll (String dirpath) {
  51. if (Dirpath = = null) {
  52. System.out.println ("directory is empty");
  53. } Else {
  54. File path = new file (Dirpath);
  55. try {
  56. if (!path.exists ())
  57. return; //directory does not exist exit
  58. if (Path.isfile ()) //If the file is deleted
  59. {
  60. Path.delete ();
  61. return;
  62. }
  63. file[] files = path.listfiles (); //If files are deleted recursively in the directory
  64. For (int i = 0; i < files.length; i++) {
  65. DeleteAll (Files[i].getabsolutepath ());
  66. }
  67. Path.delete ();
  68. } catch (Exception e) {
  69. System.out.println ("File/directory Deletion failed" + E);
  70. E.printstacktrace ();
  71. }
  72. }
  73. }
  74. /** 
  75. * File/directory Rename
  76. *
  77. * @param OldPath
  78. * Original path (absolute path)
  79. * @param NewPath
  80. * Update Path
  81. * @author LYF NOTE: You cannot modify the upper level of the table of contents
  82. */
  83. public void Renamedir (String oldpath, String newpath) {
  84. File OldFile = new File (OldPath); File or directory
  85. File NewFile = new File (NewPath); File or directory
  86. try {
  87. Boolean success = Oldfile.renameto (NewFile); //Rename
  88. if (!success) {
  89. System.out.println ("rename failed");
  90. } Else {
  91. System.out.println ("renaming succeeded");
  92. }
  93. } catch (RuntimeException e) {
  94. E.printstacktrace ();
  95. }
  96. }
  97. }

File/Directory part processing tool class Dealdir.java

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