func main() {
// Create a new client
cli := gentleman.New()
// Define a custom header
cli.Use(headers.Set("Token", "s3cr3t"))
// Create a request plugin to define the URL
cli.Use(plugin.NewRequestPlugin(func(ctx *context.Context, h context.Handler) {
u, _ := url.Parse("http://httpbin.org/headers")
ctx.Request.URL = u
h.Next(ctx)
}))
// Perform the request
res, err := cli.Request().Send()
if err != nil {
fmt.Printf("Request error: %s\n", err)
return
}
if !res.Ok {
fmt.Printf("Invalid server response: %d\n", res.StatusCode)
return
}
fmt.Printf("Status: %d\n", res.StatusCode)
fmt.Printf("Body: %s", res.String())
}
func main() {
// Create a new client
cli := gentleman.New()
// Define a custom header
cli.Use(headers.Set("Token", "s3cr3t"))
// Create a plugin for the response phase
cli.Use(plugin.NewPhasePlugin("response", func(ctx *context.Context, h context.Handler) {
ctx.Response.StatusCode = 201 // change the status code
h.Next(ctx)
}))
// Perform the request
res, err := cli.Request().URL("http://httpbin.org/headers").Send()
if err != nil {
fmt.Printf("Request error: %s\n", err)
return
}
if !res.Ok {
fmt.Printf("Invalid server response: %d\n", res.StatusCode)
return
}
fmt.Printf("Status: %d\n", res.StatusCode)
fmt.Printf("Body: %s", res.String())
}
func main() {
// Create a new client
cli := gentleman.New()
// Define a custom header
cli.Use(headers.Set("Token", "s3cr3t"))
// Attach a new midddleware function for request phase.
cli.UseRequest(func(ctx *context.Context, h context.Handler) {
u, _ := url.Parse("http://httpbin.org/headers")
ctx.Request.URL = u
h.Next(ctx)
})
// Attach a phase-specific middleware function.
cli.UseHandler("after dial", func(ctx *context.Context, h context.Handler) {
ctx.Response.Header.Set("Server", "go")
h.Next(ctx)
})
// Attach a new midddleware function for response phase.
cli.UseResponse(func(ctx *context.Context, h context.Handler) {
ctx.Response.Header.Set("Server", "go "+ctx.Response.Header.Get("Server"))
h.Next(ctx)
})
// Perform the request
res, err := cli.Request().Send()
if err != nil {
fmt.Printf("Request error: %s\n", err)
return
}
if !res.Ok {
fmt.Printf("Invalid server response: %d\n", res.StatusCode)
return
}
fmt.Printf("Status: %d\n", res.StatusCode)
fmt.Printf("Header: %s\n", res.Header.Get("Server"))
fmt.Printf("Body: %s", res.String())
}
// SetHeader sets a new header field by name and value.
// If another header exists with the same key, it will be overwritten.
func (c *Client) SetHeader(key, value string) *Client {
c.Use(headers.Set(key, value))
return c
}