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56 lines
1.0 KiB
56 lines
1.0 KiB
package web
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net/http"
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"runtime/debug"
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"sunteng/commons/log"
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)
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type BaseHandler struct {
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Handle func(w http.ResponseWriter, r *http.Request)
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}
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func (b BaseHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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defer func() {
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// handle all the error
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err_ := recover()
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if err_ == nil {
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return
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}
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var stack string
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var buf bytes.Buffer
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buf.Write(debug.Stack())
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stack = buf.String()
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outJSONWithCode(w, http.StatusInternalServerError, "Internal Server Error")
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log.Errorf("%v\n\n%s\n", err_, stack)
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return
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}()
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b.Handle(w, r)
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}
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func outJSONWithCode(w http.ResponseWriter, httpCode int, data interface{}) {
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w.Header().Set("Content-Type", "application/json")
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s := ""
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b, err := json.Marshal(data)
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if err != nil {
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s = `{"error":"json.Marshal error"}`
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w.WriteHeader(http.StatusInternalServerError)
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} else {
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s = string(b)
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w.WriteHeader(httpCode)
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}
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fmt.Fprint(w, s)
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}
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func outJSON(w http.ResponseWriter, data interface{}) {
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outJSONWithCode(w, http.StatusOK, data)
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}
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