package ch.qos.logback.core.property;
   
   import ch.qos.logback.core.PropertyDefinerBase;
   import java.io.File;
   
   /**
    * @author Ceki Gücü
    */
   public class FileExistsPropertyDefiner extends PropertyDefinerBase {
  
    String path;
  
    public String getPath() {
      return path;
    }
  
    public void setPath(String path) {
      this.path = path;
    }
  
    public String getPropertyValue() {
      if(path == null)
        return "false";
      File file = new File(path);
      System.out.println(file.getAbsolutePath());
      if(file.exists())
        return "true";
      else
      return "false";
    }
  }