/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2023, 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.testUtil;
  
  import java.nio.charset.Charset;
  
  import ch.qos.logback.core.CoreConstants;
  import ch.qos.logback.core.encoder.EncoderBase;
  
  public class DummyEncoder<E> extends EncoderBase<E> {
  
      public static final String DUMMY = "dummy" + CoreConstants.LINE_SEPARATOR;
      String val = DUMMY;
      String fileHeader;
      String fileFooter;
      Charset charset;
  
      public Charset getCharset() {
          return charset;
      }
  
      public void setCharset(Charset charset) {
          this.charset = charset;
      }
  
      public DummyEncoder() {
      }
  
      public DummyEncoder(String val) {
          this.val = val;
      }
  
      public byte[] encode(E event) {
          return encodeString(val);
      }
  
      byte[] encodeString(String s) {
          if (charset == null) {
              return s.getBytes();
          } else {
              return s.getBytes(charset);
          }
      }
  
      private void appendIfNotNull(StringBuilder sb, String s) {
          if (s != null) {
              sb.append(s);
          }
      }
  
      byte[] header() {
          StringBuilder sb = new StringBuilder();
          appendIfNotNull(sb, fileHeader);
          if (sb.length() > 0) {
              // If at least one of file header or presentation header were not
              // null, then append a line separator.
              // This should be useful in most cases and should not hurt.
              sb.append(CoreConstants.LINE_SEPARATOR);
          }
          return encodeString(sb.toString());
      }
  
      public byte[] headerBytes() {
          return header();
      }
  
      public byte[] footerBytes() {
          if (fileFooter == null) {
              return null;
          }
          return encodeString(fileFooter);
      }
  
      public String getFileHeader() {
          return fileHeader;
      }
  
      public void setFileHeader(String fileHeader) {
          this.fileHeader = fileHeader;
      }
  
      public String getFileFooter() {
          return fileFooter;
      }
  
      public void setFileFooter(String fileFooter) {
          this.fileFooter = fileFooter;
      }
 
 }