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xml.go
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xml.go
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package peoplecounting
import (
"encoding/xml"
"fmt"
"io"
"strings"
)
func parseXMLEvent(reader io.Reader) (interface{}, error) {
decoder := xml.NewDecoder(reader)
decoder.Token() // xml version
funcVerifyEvent := func(decoder *xml.Decoder) error {
for {
el, err := decoder.Token()
if err != nil {
return err
}
switch v := el.(type) {
case xml.StartElement:
if !strings.HasPrefix(v.Name.Local, "EventNotificationAlert") {
return fmt.Errorf("it's not an Event -> %s", v)
}
return nil
case xml.CharData:
default:
return fmt.Errorf("it's not an Event -> %+v, %T", v, v)
}
}
}
funcGetData := func(decoder *xml.Decoder, name string, catch interface{}) error {
for {
el, err := decoder.Token()
if err != nil {
if err != io.EOF {
break
} else {
return err
}
}
switch v := el.(type) {
case xml.StartElement:
if strings.HasPrefix(v.Name.Local, name) {
// var dm string
if err := decoder.DecodeElement(catch, &v); err != nil {
fmt.Println(err)
}
// fmt.Printf("\n\n2 -> %+v\n", catch)
return nil
}
default:
}
}
return nil
}
if err := funcVerifyEvent(decoder); err != nil {
return nil, err
}
var result interface{}
eventNotificationAlert := new(EventNotificationAlert)
var dateTime string
if err := funcGetData(decoder, "dateTime", &dateTime); err != nil {
return nil, err
}
eventNotificationAlert.DateTime = dateTime
var eventType string
if err := funcGetData(decoder, "eventType", &eventType); err != nil {
return nil, err
}
fmt.Println(eventType)
eventNotificationAlert.EventType = eventType
// for i := 0; i < 30; i++ {
// temp, _ := decoder.Token()
// fmt.Printf("%#v", temp)
// }
switch eventType {
case PeopleCountingType:
// if strings.HasPrefix(fmt.Sprintf("%s", eventType), peopleCountingType) {
people := new(EventPeopleCounting)
if err := funcGetData(decoder, "peopleCounting", people); err != nil {
return nil, err
}
// fmt.Printf("%#v\n", people)
child := new(EventChildCounting)
if err := funcGetData(decoder, "childCounting", child); err != nil {
return nil, err
}
result = &EventNotificationAlertPeopleConting{
eventNotificationAlert,
0,
people,
child,
}
case ScenechangedetectionType:
result = eventNotificationAlert
case ShelteralarmType:
result = eventNotificationAlert
}
return result, nil
}