Examples of com.oreilly.servlet.multipart.FileRenamePolicy.rename()

        if ( ! (existingVFSItem instanceof LocalImpl)) {
          throw new AssertException("Can only LocalImpl VFS items, don't know what to do with file of type::" + existingVFSItem.getClass().getCanonicalName());
        }
        File existingFile = ((LocalImpl)existingVFSItem).getBasefile();
        File tmpOrigFilename = new File(existingFile.getAbsolutePath());
        String renamedFilename = frp.rename(tmpOrigFilename).getName();
        newFile = (VFSLeaf) uploadVFSContainer.resolve(renamedFilename);
        // Copy content to tmp file
        BufferedInputStream in = new BufferedInputStream(fileEl.getUploadInputStream());
        BufferedOutputStream out = new BufferedOutputStream(newFile.getOutputStream(false));
        boolean success = false;

      File existsFile = new File(destinationDir, uploadFilename);
      if (existsFile.exists()) {
        // Use standard rename policy
        FileRenamePolicy frp = new DefaultFileRenamePolicy();
        File tmpF = new File(uploadFilename);
        uploadFilename = frp.rename(tmpF).getName();
      }
      // Move file now
      File targetFile = new File(destinationDir, uploadFilename);
      if (FileUtils.copyFileToFile(tempUploadFile, targetFile, true)) { return targetFile; }
    }

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