text: package sarama
  
  import "time"
  
  type CreateTopicsResponse struct {
  	Version      int16
  	ThrottleTime time.Duration
  	TopicErrors  map[string]*TopicError
  }
  
  func (c *CreateTopicsResponse) encode(pe packetEncoder) error {
  	if c.Version >= 2 {
  		pe.putInt32(int32(c.ThrottleTime / time.Millisecond))
  	}
  
  	if err := pe.putArrayLength(len(c.TopicErrors)); err != nil {
  		return err
  	}
  	for topic, topicError := range c.TopicErrors {
  		if err := pe.putString(topic); err != nil {
  			return err
  		}
  		if err := topicError.encode(pe, c.Version); err != nil {
  			return err
  		}
  	}
  
  	return nil
  }
  
  func (c *CreateTopicsResponse) decode(pd packetDecoder, version int16) (err error) {
  	c.Version = version
  
  	if version >= 2 {
  		throttleTime, err := pd.getInt32()
  		if err != nil {
  			return err
  		}
  		c.ThrottleTime = time.Duration(throttleTime) * time.Millisecond
  	}
  
  	n, err := pd.getArrayLength()
  	if err != nil {
  		return err
  	}
  
  	c.TopicErrors = make(map[string]*TopicError, n)
  	for i := 0; i < n; i++ {
  		topic, err := pd.getString()
  		if err != nil {
  			return err
  		}
  		c.TopicErrors[topic] = new(TopicError)
  		if err := c.TopicErrors[topic].decode(pd, version); err != nil {
  			return err
  		}
  	}
  
  	return nil
  }
  
  func (c *CreateTopicsResponse) key() int16 {
  	return 19
  }
  
  func (c *CreateTopicsResponse) version() int16 {
  	return c.Version
  }
  
  func (c *CreateTopicsResponse) requiredVersion() KafkaVersion {
  	switch c.Version {
  	case 2:
  		return V1_0_0_0
  	case 1:
  		return V0_11_0_0
  	default:
  		return V0_10_1_0
  	}
  }
  
  type TopicError struct {
  	Err    KError
  	ErrMsg *string
  }
  
  func (t *TopicError) encode(pe packetEncoder, version int16) error {
  	pe.putInt16(int16(t.Err))
  
  	if version >= 1 {
  		if err := pe.putNullableString(t.ErrMsg); err != nil {
  			return err
  		}
  	}
  
  	return nil
  }
  
  func (t *TopicError) decode(pd packetDecoder, version int16) (err error) {
  	kErr, err := pd.getInt16()
  	if err != nil {
  		return err
  	}
  	t.Err = KError(kErr)
  
  	if version >= 1 {
  		if t.ErrMsg, err = pd.getNullableString(); err != nil {
  			return err
  		}
  	}
  
  	return nil
  }
  