Extracting RAR files from Java code

1. [Java]View Plaincopy
   2. Import Java.io.File;
   4. Import Java.io.FileOutputStream;
   8. Import de.innosystec.unrar.Archive;
   10. Import De.innosystec.unrar.rarfile.FileHeader;
   14. Public class Unrartools {
   18. public void Unrar (file sourcerar, file DestDir) throws Exception {
   20. Archive Archive = null;
   22. FileOutputStream FOS = null;
   24. System.out.println ("Starting ...");
   26. try {
   28. Archive = New archive (Sourcerar);
   30. Fileheader fh = Archive.nextfileheader ();
   32. int count = 0;
   34. File destfilename = null;
   36. While (fh! = null) {
   38. System.out.println ((++count) + ")" + fh.getfilenamestring ());
   40. String compressfilename = fh.getfilenamestring (). Trim ();
   42. destFileName = New File (Destdir.getabsolutepath () + "/" + compressfilename);
   44. if (fh.isdirectory ()) {
   46. if (!destfilename.exists ()) {
   48. Destfilename.mkdirs ();
   50. }
   52. FH = Archive.nextfileheader ();
   54. continue;
   56. }
   58. if (!destfilename.getparentfile (). exists ()) {
   60. Destfilename.getparentfile (). Mkdirs ();
   62. }
   64. FOS = new FileOutputStream (destFileName);
   66. Archive.extractfile (FH, FOS);
   68. Fos.close ();
   70. FOS = null;
   72. FH = Archive.nextfileheader ();
   74. }
   78. Archive.close ();
   80. archive = null;
   82. System.out.println ("finished!");
   84. } catch (Exception e) {
   86. throw E;
   88. } finally {
   90. if (fos! = null) {
   92. try {
   94. Fos.close ();
   96. FOS = null;
   98. } catch (Exception e) {
   100. //ignore
   102. }
   104. }
   106. if (archive! = null) {
   108. try {
   110. Archive.close ();
   112. archive = null;
   114. } catch (Exception e) {
   116. //ignore
   118. }
   120. }
   122. }
   124. }
   128. }

   A reference to the following two Lib is required.
   Java-unrar-0.5.jar
   Http://www.java2s.com/Code/JarDownload/java/java-unrar-0.5.jar.zip
   Apache-commons-logging.jar
   Http://www.java2s.com/Code/JarDownload/apache-commons/apache-commons-logging.jar.zip

Extracting RAR files from Java code