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go/src/infra/libs/gitiles/priv_objRequest.go

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package gitiles
+
+import (
+        "fmt"
+        "infra/libs/git"
+        "net/http"
+)
+
+// Types ///////////////////////////////////////////////////////////////////////
+
+type objRequest struct {
+        textRequest
+        resultChan chan<- objectResult
+}
+
+type objectResult struct {
+        err    error
+        object git.InternableObject
+}
+
+// Vars ////////////////////////////////////////////////////////////////////////
+
+var dataLoader = map[string]func([]byte) (git.InternableObject, error){
+        "blob":   func(d []byte) (git.InternableObject, error) { return git.NewBlobFromRaw(d), nil },
+        "tree":   func(d []byte) (git.InternableObject, error) { return git.NewTreeFromText(d) },
+        "commit": func(d []byte) (git.InternableObject, error) { return git.NewCommitFromRaw(d) },
+}
+
+// Member functions ////////////////////////////////////////////////////////////
+
+func (o objRequest) Process(rsp *http.Response, err error) {
+        var rslt objectResult
+
+        data, err := o.internalProcess(rsp, err)
+        if err != nil {
+                rslt.err = err
+        } else {
+                typ := rsp.Header.Get("X-Gitiles-Object-Type")
+                loader, ok := dataLoader[typ]
+                if !ok {
+                        rslt.err = fmt.Errorf("Unknown object type %#v", typ)
+                } else {
+                        rslt.object, rslt.err = loader(data)
+                }
+        }
+
+        o.resultChan <- rslt
+}