How to use

LineDelimiter

in

org.apache.mina.filter.codec.textline

/**
 * Creates a new instance with the specified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineEncoder(Charset charset, String delimiter) {
  this(charset, new LineDelimiter(delimiter));
}

/**
 * Creates a new instance with the specified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineDecoder(Charset charset, LineDelimiter delimiter) {
  if (charset == null) {
    throw new IllegalArgumentException("charset parameter shuld not be null");
  }
  if (delimiter == null) {
    throw new IllegalArgumentException("delimiter parameter should not be null");
  }
  this.charset = charset;
  this.delimiter = delimiter;
  // Convert delimiter to ByteBuffer if not done yet.
  if (delimBuf == null) {
    IoBuffer tmp = IoBuffer.allocate(2).setAutoExpand(true);
    try {
      tmp.putString(delimiter.getValue(), charset.newEncoder());
    } catch (CharacterCodingException cce) {
    }
    tmp.flip();
    delimBuf = tmp;
  }
}

public TextLineEncoder( Charset charset, LineDelimiter delimiter )
{
  if( charset == null )
  {
    throw new NullPointerException( "charset" );
  }
  if( delimiter == null )
  {
    throw new NullPointerException( "delimiter" );
  }
  if( LineDelimiter.AUTO.equals( delimiter ) )
  {
    throw new IllegalArgumentException( "AUTO delimiter is not allowed for encoder." );
  }
  
  
  this.charset = charset;
  this.delimiter = delimiter;
}

/**
 * Creates a new instance with the specified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineDecoder(Charset charset, LineDelimiter delimiter) {
  if (charset == null) {
    throw new IllegalArgumentException("charset parameter shuld not be null");
  }
  if (delimiter == null) {
    throw new IllegalArgumentException("delimiter parameter should not be null");
  }
  this.charset = charset;
  this.delimiter = delimiter;
  // Convert delimiter to ByteBuffer if not done yet.
  if (delimBuf == null) {
    IoBuffer tmp = IoBuffer.allocate(2).setAutoExpand(true);
    try {
      tmp.putString(delimiter.getValue(), charset.newEncoder());
    } catch (CharacterCodingException cce) {
    }
    tmp.flip();
    delimBuf = tmp;
  }
}

/**
 * Creates a new instance with the specified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineEncoder(Charset charset, LineDelimiter delimiter) {
  if (charset == null) {
    throw new IllegalArgumentException("charset");
  }
  if (delimiter == null) {
    throw new IllegalArgumentException("delimiter");
  }
  if (LineDelimiter.AUTO.equals(delimiter)) {
    throw new IllegalArgumentException("AUTO delimiter is not allowed for encoder.");
  }
  this.charset = charset;
  this.delimiter = delimiter;
}

/**
 * {@inheritDoc}
 */
@Override
public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception {
  CharsetEncoder encoder = (CharsetEncoder) session.getAttribute(ENCODER);
  if (encoder == null) {
    encoder = charset.newEncoder();
    session.setAttribute(ENCODER, encoder);
  }
  String value = message == null ? "" : message.toString();
  IoBuffer buf = IoBuffer.allocate(value.length()).setAutoExpand(true);
  buf.putString(value, encoder);
  if (buf.position() > maxLineLength) {
    throw new IllegalArgumentException("Line length: " + buf.position());
  }
  buf.putString(delimiter.getValue(), encoder);
  buf.flip();
  out.write(buf);
}

/**
 * Creates a new instance with the spcified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 */
public TcpIpTextLineEncoder(final Charset charset, final LineDelimiter delimiter) {
  if (charset == null) {
    throw new IllegalArgumentException("charset");
  }
  if (delimiter == null) {
    throw new IllegalArgumentException("delimiter");
  }
  if (LineDelimiter.AUTO.equals(delimiter)) {
    throw new IllegalArgumentException(
        "AUTO delimiter is not allowed for encoder.");
  }
  this.charset = charset;
  //this.delimiter = delimiter;
}

/**
 * Creates a new instance with the current default {@link Charset}
 * and the specified <tt>delimiter</tt>.
 * 
 * @param delimiter The line delimiter to use
 */
public TextLineDecoder(String delimiter) {
  this(new LineDelimiter(delimiter));
}

public void encode(IoSession session, Object message,
    ProtocolEncoderOutput out) throws Exception {
  CharsetEncoder encoder = (CharsetEncoder) session.getAttribute(ENCODER);
  if (encoder == null) {
    encoder = charset.newEncoder();
    session.setAttribute(ENCODER, encoder);
  }
  String value = message.toString();
  IoBuffer buf = IoBuffer.allocate(value.length())
      .setAutoExpand(true);
  buf.putString(value, encoder);
  if (buf.position() > maxLineLength) {
    throw new IllegalArgumentException("Line length: " + buf.position());
  }
  buf.putString(delimiter.getValue(), encoder);
  buf.flip();
  out.write(buf);
}

/**
 * Creates a new instance with the spcified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 */
public TextLineEncoder(Charset charset, LineDelimiter delimiter) {
  if (charset == null) {
    throw new NullPointerException("charset");
  }
  if (delimiter == null) {
    throw new NullPointerException("delimiter");
  }
  if (LineDelimiter.AUTO.equals(delimiter)) {
    throw new IllegalArgumentException(
        "AUTO delimiter is not allowed for encoder.");
  }
  this.charset = charset;
  this.delimiter = delimiter;
}

/**
 * Creates a new instance with the current default {@link Charset}
 * and the specified <tt>delimiter</tt>.
 * 
 * @param delimiter The line delimiter to use
 */
public TextLineDecoder(String delimiter) {
  this(new LineDelimiter(delimiter));
}

/**
 * {@inheritDoc}
 */
@Override
public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception {
  CharsetEncoder encoder = (CharsetEncoder) session.getAttribute(ENCODER);
  if (encoder == null) {
    encoder = charset.newEncoder();
    session.setAttribute(ENCODER, encoder);
  }
  String value = message == null ? "" : message.toString();
  IoBuffer buf = IoBuffer.allocate(value.length()).setAutoExpand(true);
  buf.putString(value, encoder);
  if (buf.position() > maxLineLength) {
    throw new IllegalArgumentException("Line length: " + buf.position());
  }
  buf.putString(delimiter.getValue(), encoder);
  buf.flip();
  out.write(buf);
}

/**
 * Creates a new instance with the specified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineEncoder(Charset charset, LineDelimiter delimiter) {
  if (charset == null) {
    throw new IllegalArgumentException("charset");
  }
  if (delimiter == null) {
    throw new IllegalArgumentException("delimiter");
  }
  if (LineDelimiter.AUTO.equals(delimiter)) {
    throw new IllegalArgumentException("AUTO delimiter is not allowed for encoder.");
  }
  this.charset = charset;
  this.delimiter = delimiter;
}

/**
 * Creates a new instance with the current default {@link Charset}
 * and the specified <tt>delimiter</tt>.
 * 
 * @param delimiter The line delimiter to use
 */
public TextLineEncoder(String delimiter) {
  this(new LineDelimiter(delimiter));
}

public void encode( IoSession session, Object message,
          ProtocolEncoderOutput out )
    throws Exception
{
  CharsetEncoder encoder = ( CharsetEncoder ) session.getAttribute( ENCODER );
  if( encoder == null )
  {
    encoder = charset.newEncoder();
    session.setAttribute( ENCODER, encoder );
  }
  
  String value = message.toString();
  ByteBuffer buf = ByteBuffer.allocate( value.length() ).setAutoExpand( true );
  buf.putString( value, encoder );
  if( buf.position() > maxLineLength )
  {
    throw new IllegalArgumentException( "Line length: " + buf.position() );
  }
  buf.putString( delimiter.getValue(), encoder );
  buf.flip();
  out.write( buf );
}

/**
 * {@inheritDoc}
 */
@Override
public void decode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws Exception {
  Context ctx = getContext(session);
  if (LineDelimiter.AUTO.equals(delimiter)) {
    decodeAuto(ctx, session, in, out);
  } else {
    decodeNormal(ctx, session, in, out);
  }
}

/**
 * Creates a new instance with the spcified <tt>charset</tt>
 * and the specified <tt>delimiter</tt>.
 * 
 * @param charset The {@link Charset} to use
 * @param delimiter The line delimiter to use
 */
public TextLineDecoder(Charset charset, String delimiter) {
  this(charset, new LineDelimiter(delimiter));
}

private PushManager() {
  connector=new NioSocketConnector();
  connector.setConnectTimeoutMillis(Params.CONNECT_TIMEOUT);
  //为接收器设置管理服务
  connector.setHandler(new ClientSessionHandler());
  //设置过滤器（使用Mina提供的文本换行符编解码器）
  connector.getFilterChain().addLast("codec", new ProtocolCodecFilter(new TextLineCodecFactory(Charset.forName("UTF-8"), LineDelimiter.WINDOWS.getValue(),LineDelimiter.WINDOWS.getValue())));
  //读写通道5秒内无操作进入空闲状态
  connector.getSessionConfig().setIdleTime(IdleStatus.BOTH_IDLE, Params.REQUEST_TIMEOUT);
  //设置读取数据的缓冲区大小
  connector.getSessionConfig().setReadBufferSize(2048);
  //设置心跳
  KeepAliveMessageFactory heartBeatFactory = new ClientKeepAliveMessageFactoryImp();
  KeepAliveRequestTimeoutHandler heartBeatHandler = new ClientKeepAliveMessageTimeoutFactoryImp();
  KeepAliveFilter heartBeat = new KeepAliveFilter(heartBeatFactory, IdleStatus.BOTH_IDLE, heartBeatHandler);
  //是否回发
  heartBeat.setForwardEvent(true);
  //心跳发送频率
  heartBeat.setRequestInterval(Params.REQUEST_INTERVAL);
  connector.getSessionConfig().setKeepAlive(true);
  connector.getFilterChain().addLast("keepalive", heartBeat);
}

/**
 * {@inheritDoc}
 */
@Override
public void decode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws Exception {
  Context ctx = getContext(session);
  if (LineDelimiter.AUTO.equals(delimiter)) {
    decodeAuto(ctx, session, in, out);
  } else {
    decodeNormal(ctx, session, in, out);
  }
}

/**
 * Creates a new instance with the current default {@link Charset}
 * and the specified <tt>delimiter</tt>.
 * 
 * @param delimiter The line delimiter to use
 */
public TextLineEncoder(String delimiter) {
  this(new LineDelimiter(delimiter));
}