package ch.qos.logback.core.status;
   
   import java.io.FileNotFoundException;
   import java.io.FileOutputStream;
   import java.io.PrintStream;
   
   public class OnFileStatusListener extends OnPrintStreamStatusListenerBase {
   
       String filename;
      PrintStream ps;
  
      @Override
      public void start() {
          if (filename == null) {
              addInfo("File option not set. Defaulting to \"status.txt\"");
              filename = "status.txt";
          }
  
          try {
              FileOutputStream fos = new FileOutputStream(filename, true);
              ps = new PrintStream(fos, true);
          } catch (FileNotFoundException e) {
              addError("Failed to open [" + filename + "]", e);
              return;
          }
  
          super.start();
  
      }
  
      @Override
      public void stop() {
          if (!isStarted) {
              return;
          }
          if (ps != null)
              ps.close();
          super.stop();
      }
  
      public String getFilename() {
          return filename;
      }
  
      public void setFilename(String filename) {
          this.filename = filename;
      }
  
      @Override
      protected PrintStream getPrintStream() {
          return ps;
      }
  
  }