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log.go
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log.go
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package ews
import (
"context"
"log"
"net/http"
"net/http/httputil"
"github.com/Abovo-Media/go-ews/ewsxml"
)
type Logger interface {
NewClient(conf Config)
HttpRequest(ctx context.Context, req *http.Request, body []byte)
HttpResponse(ctx context.Context, resp *http.Response)
Response(ctx context.Context, resp ewsxml.ResponseMessage)
}
func WithLogger(l Logger) Option {
return optionFunc(func(c *Client) error {
if l == nil {
c.log = NopLogger()
} else {
c.log = l
}
return nil
})
}
type DefaultLogger struct {
Log *log.Logger
}
func (l *DefaultLogger) log() *log.Logger {
if l.Log == nil {
l.Log = log.Default()
}
return l.Log
}
func (l *DefaultLogger) NewClient(conf Config) {
l.log().Println("EWS NewClient:", conf.Url, conf.Version)
}
func (l *DefaultLogger) HttpRequest(ctx context.Context, req *http.Request, body []byte) {
dump, err := httputil.DumpRequestOut(req, false)
if err != nil {
l.log().Println("Dump error:", err)
} else {
l.log().Printf("Request:\n%s%s\n----\n", dump, body)
}
}
func (l *DefaultLogger) HttpResponse(ctx context.Context, resp *http.Response) {
dump, err := httputil.DumpResponse(resp, true)
if err != nil {
l.log().Println("Dump error:", err)
} else {
l.log().Printf("Response:\n%s%s\n----\n", dump)
}
}
func (l *DefaultLogger) Response(ctx context.Context, resp ewsxml.ResponseMessage) {
if resp.ResponseCode == ewsxml.NoError {
return
}
l.log().Printf("%s: %s (%s)", resp.ResponseClass, resp.MessageText, resp.ResponseCode)
}
func NopLogger() Logger { return new(nopLogger) }
type nopLogger struct{}
func (*nopLogger) NewClient(Config) {}
func (*nopLogger) HttpRequest(context.Context, *http.Request, []byte) {}
func (*nopLogger) HttpResponse(context.Context, *http.Response) {}
func (*nopLogger) Response(context.Context, ewsxml.ResponseMessage) {}