wide/util/ret.go

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// Copyright (c) 2014, B3log
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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package util
import (
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"compress/gzip"
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"encoding/json"
"net/http"
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"github.com/golang/glog"
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)
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// RetJSON writes HTTP response with "Content-Type, application/json".
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func RetJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
w.Header().Set("Content-Type", "application/json")
data, err := json.Marshal(res)
if err != nil {
glog.Error(err)
return
}
w.Write(data)
}
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// RetGzJSON writes HTTP response with "Content-Type, application/json".
func RetGzJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Content-Encoding", "gzip")
gz := gzip.NewWriter(w)
err := json.NewEncoder(gz).Encode(res)
if nil != err {
glog.Error(err)
return
}
err = gz.Close()
if nil != err {
glog.Error(err)
return
}
}