Create a unique directory within a directory 'root' : Directory « File Input Output « Java

1. Java
2. File Input Output
3. Directory

Create a unique directory within a directory 'root'

  
import java.io.File;
import java.io.IOException;

public class Utils {
  /**
   * Create a unique directory within a directory 'root'
   * 
   * @param rootDir
   * @param seed
   * @return unique directory
   * @throws IOException
   */
  public static synchronized File createUniqueDirectory(File rootDir, String seed) throws IOException {
      int index = seed.lastIndexOf('.');
      if (index > 0) {
          seed = seed.substring(0, index);
      }
      File result = null;
      int count = 0;
      while (result == null) {
          String name = seed + "." + count + ".tmp";
          File file = new File(rootDir, name);
          if (!file.exists()) {
              file.mkdirs();
              result = file;
          }
          count++;
      }
      return result;
  }
}

   
    
  

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