/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2011, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.core.encoder;
  
  import java.io.IOException;
  import java.io.OutputStream;
  
  import ch.qos.logback.core.CoreConstants;
  
  public class EchoEncoder<E> extends EncoderBase<E> {
  
    String fileHeader;
    String fileFooter;
  
    public void doEncode(E event) throws IOException {
      String val = event + CoreConstants.LINE_SEPARATOR;
      outputStream.write(val.getBytes());
      // necessary if ResilientFileOutputStream is buffered
      outputStream.flush();
    }
  
    public void close() throws IOException {
      if (fileFooter == null) {
        return;
      }
      outputStream.write(fileFooter.getBytes());
    }
  
    public void init(OutputStream os) throws IOException {
      super.init(os);
      if (fileHeader == null) {
        return;
      }
      outputStream.write(fileHeader.getBytes());
    }
  }