新增格式转换插件，新增http日志变量，调整json输出请求日志格式

drivers/plugins/data-transform/utils.go

@@ -0,0 +1,100 @@
+package data_transform
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	. "github.com/clbanning/mxj"
+)
+
+var declarations = []string{"version", "encoding", "standalone"}
+
+func xml2json(xmlVal []byte, xmlDeclaration map[string]string) ([]byte, error) {
+	m, err := NewMapXml(xmlVal)
+	if err != nil {
+		return nil, err
+	}
+	for _, key := range declarations {
+		if _, ok := m[key]; !ok {
+			if xmlDeclaration != nil {
+				if v, has := xmlDeclaration[key]; has {
+					m[key] = v
+				}
+			}
+		}
+		if v, ok := m[key]; ok {
+			vv, success := v.(string)
+			if success {
+				m[key] = strings.Replace(vv, `"`, "", -1)
+			}
+		}
+	}
+
+	jsonObject, err := m.Json()
+	if err != nil {
+		return nil, err
+	}
+	return jsonObject, nil
+}
+
+func json2xml(jsonVal []byte, rootTag string, xd map[string]string) ([]byte, error) {
+	var m, n map[string]interface{}
+	if err := json.Unmarshal(jsonVal, &m); err != nil {
+		return nil, err
+	}
+	n = make(map[string]interface{})
+	for _, key := range declarations {
+		if v, ok := m[key]; ok {
+			n[key] = v
+			delete(m, key)
+		} else {
+			if xd != nil {
+				if v, ok := xd[key]; ok {
+					n[key] = v
+				}
+			}
+
+		}
+	}
+	var x []byte
+	var err error
+	x, err = Map(m).XmlIndent("", "  ", rootTag)
+	if err != nil {
+		return x, err
+	}
+
+	declaration := xmlDeclaration(n)
+	retBody := []byte(fmt.Sprintf("%s\r\n%s", declaration, string(x)))
+	return retBody, nil
+}
+
+func xmlDeclaration(m map[string]interface{}) string {
+	declaration := ""
+
+	for _, a := range declarations {
+		if declaration == "" {
+			declaration = "<?xml"
+		}
+		if v, ok := m[a]; ok {
+			delete(m, a)
+			declaration += fmt.Sprintf(` %s="%s"`, a, v)
+		}
+	}
+	if declaration != "" {
+		declaration += "?>"
+	}
+	return declaration
+}
+
+func encode(ent string, origin string, statusCode int) string {
+	if ent == "json" {
+		tmp := map[string]interface{}{
+			"message":     origin,
+			"status_code": statusCode,
+		}
+		body, _ := json.Marshal(tmp)
+		return string(body)
+	}
+	return origin
+}