Source file src/github.com/aws/smithy-go/transport/http/user_agent.go

Documentation: github.com/aws/smithy-go/transport/http

     1  package http
     2  
     3  import (
     4  	"strings"
     5  )
     6  
     7  // UserAgentBuilder is a builder for a HTTP User-Agent string.
     8  type UserAgentBuilder struct {
     9  	sb strings.Builder
    10  }
    11  
    12  // NewUserAgentBuilder returns a new UserAgentBuilder.
    13  func NewUserAgentBuilder() *UserAgentBuilder {
    14  	return &UserAgentBuilder{sb: strings.Builder{}}
    15  }
    16  
    17  // AddKey adds the named component/product to the agent string
    18  func (u *UserAgentBuilder) AddKey(key string) {
    19  	u.appendTo(key)
    20  }
    21  
    22  // AddKeyValue adds the named key to the agent string with the given value.
    23  func (u *UserAgentBuilder) AddKeyValue(key, value string) {
    24  	u.appendTo(key + "/" + value)
    25  }
    26  
    27  // Build returns the constructed User-Agent string. May be called multiple times.
    28  func (u *UserAgentBuilder) Build() string {
    29  	return u.sb.String()
    30  }
    31  
    32  func (u *UserAgentBuilder) appendTo(value string) {
    33  	if u.sb.Len() > 0 {
    34  		u.sb.WriteRune(' ')
    35  	}
    36  	u.sb.WriteString(value)
    37  }
    38  

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