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    • redis.netty4.InlineReply Maven / Gradle / Ivy

    package redis.netty4;

import com.google.common.base.Charsets;
import io.netty.buffer.ByteBuf;

import java.io.IOException;

import static redis.util.Encoding.numToBytes;

/**
 * Return the reply inline when you get an inline message.
 */
public class InlineReply implements Reply {

  private final Object o;

  public InlineReply(Object o) {
    this.o = o;
  }

  @Override
  public Object data() {
    return o;
  }

  @Override
  public void write(ByteBuf os) throws IOException {
    if (o == null) {
      os.writeBytes(CRLF);
    } else if (o instanceof String) {
      os.writeByte('+');
      os.writeBytes(((String) o).getBytes(Charsets.US_ASCII));
      os.writeBytes(CRLF);
    } else if (o instanceof ByteBuf) {
      os.writeByte('+');
      os.writeBytes(((ByteBuf) o).array());
      os.writeBytes(CRLF);
    } else if (o instanceof byte[]) {
      os.writeByte('+');
      os.writeBytes((byte[]) o);
      os.writeBytes(CRLF);
    } else if (o instanceof Long) {
      os.writeByte(':');
      os.writeBytes(numToBytes((Long) o, true));
    } else {
      os.writeBytes("ERR invalid inline response".getBytes(Charsets.US_ASCII));
      os.writeBytes(CRLF);
    }
  }
}
    
    
    
    

    




    
    
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