minor refactoring

README.md

@@ -391,9 +391,9 @@ textboxes:
 
 <details><summary>Java application uptime example</summary>
 
-- Prerequisite: download [jmxterm jar file](https://docs.cyclopsgroup.org/jmxterm)
-
 ```yml
+# prerequisite: download [jmxterm jar file](https://docs.cyclopsgroup.org/jmxterm)
+
 textboxes:
   - title: Java application uptime
     multistep-init:

client/backend.go

@@ -16,10 +16,9 @@ const (
 	crashPath        = "/telemetry/crash"
 	registrationPath = "/license/registration"
 	verificationPath = "/license/verification"
-	jsonContentType  = "application/json"
 )
 
-// BackendClient is used to verify license and to send telemetry reports
+// BackendClient is used to verify license and to send telemetry
 // for analyses (anonymous usage data statistics and crash reports)
 type BackendClient struct {
 	client http.Client
@@ -39,7 +38,8 @@ func (c *BackendClient) ReportInstallation(statistics *metadata.Statistics) {
 		c.ReportCrash(err.Error(), statistics)
 	}
 
-	_, err = http.Post(backendUrl+installationPath, jsonContentType, buf)
+	_, err = sendRequest(backendUrl+installationPath, buf)
+
 	if err != nil {
 		c.ReportCrash(err.Error(), statistics)
 	}
@@ -53,7 +53,7 @@ func (c *BackendClient) ReportStatistics(statistics *metadata.Statistics) {
 		c.ReportCrash(err.Error(), statistics)
 	}
 
-	_, err = http.Post(backendUrl+statisticsPath, jsonContentType, buf)
+	_, err = sendRequest(backendUrl+statisticsPath, buf)
 	if err != nil {
 		c.ReportCrash(err.Error(), statistics)
 	}
@@ -75,7 +75,7 @@ func (c *BackendClient) ReportCrash(error string, statistics *metadata.Statistic
 		return
 	}
 
-	_, _ = http.Post(backendUrl+crashPath, jsonContentType, buf)
+	_, _ = sendRequest(backendUrl+crashPath, buf)
 }
 
 func (c *BackendClient) RegisterLicenseKey(licenseKey string, statistics *metadata.Statistics) (*metadata.License, error) {
@@ -94,8 +94,7 @@ func (c *BackendClient) RegisterLicenseKey(licenseKey string, statistics *metada
 		c.ReportCrash(err.Error(), statistics)
 	}
 
-	response, err := http.Post(
-		backendUrl+registrationPath, jsonContentType, buf)
+	response, err := sendRequest(backendUrl+registrationPath, buf)
 
 	if err != nil {
 		return nil, err
@@ -126,8 +125,7 @@ func (c *BackendClient) VerifyLicenseKey(licenseKey string) (*metadata.License,
 		c.ReportCrash(err.Error(), nil)
 	}
 
-	response, err := http.Post(
-		backendUrl+verificationPath, jsonContentType, buf)
+	response, err := sendRequest(backendUrl+verificationPath, buf)
 
 	if err != nil {
 		return nil, err
@@ -143,3 +141,13 @@ func (c *BackendClient) VerifyLicenseKey(licenseKey string) (*metadata.License,
 
 	return &license, nil
 }
+
+func sendRequest(url string, body *bytes.Buffer) (resp *http.Response, err error) {
+	c := http.DefaultClient
+	req, err := http.NewRequest("POST", url, body)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	return c.Do(req)
+}

component/gauge/gauge.go

@@ -61,10 +61,10 @@ func (g *Gauge) ConsumeSample(sample *data.Sample) {
 	if err != nil {
 		g.HandleConsumeFailure("Failed to parse a number", err, sample)
 		return
-	} else {
-		g.HandleConsumeSuccess()
 	}
 
+	g.HandleConsumeSuccess()
+
 	switch sample.Label {
 	case MinValueLabel:
 		g.minValue = float

component/util/format.go

@@ -22,9 +22,8 @@ var AsciiLogo = []string{
 func FormatValue(value float64, scale int) string {
 	if math.Abs(value) == math.MaxFloat64 {
 		return "Inf"
-	} else {
-		return formatTrailingDigits(addRadixChars(value), scale)
 	}
+	return formatTrailingDigits(addRadixChars(value), scale)
 }
 
 func FormatDelta(value float64, scale int) string {