/
loader.go
83 lines (69 loc) · 1.76 KB
/
loader.go
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package main
// Copied, with modifications, from perkeep.org/pkg/test
import (
"errors"
"fmt"
"log"
"sync"
"perkeep.org/pkg/blobserver"
)
// NewLoader
func NewLoader(conf *LowLevelConfig) *Loader {
return &Loader{
conf: conf,
}
}
type Loader struct {
mu sync.Mutex
sto map[string]blobserver.Storage
conf *LowLevelConfig
}
var _ blobserver.Loader = (*Loader)(nil)
func (ld *Loader) FindHandlerByType(handlerType string) (prefix string, handler interface{}, err error) {
panic("NOIMPL")
}
func (ld *Loader) AllHandlers() (map[string]string, map[string]interface{}) {
panic("NOIMPL")
}
func (ld *Loader) MyPrefix() string {
return "/lies/"
}
func (ld *Loader) BaseURL() string {
return "http://localhost:1234"
}
func (ld *Loader) GetHandlerType(prefix string) string {
log.Printf("test.Loader: GetHandlerType called but not implemented.")
return ""
}
func (ld *Loader) GetHandler(prefix string) (interface{}, error) {
log.Printf("test.Loader: GetHandler called but not implemented.")
return nil, errors.New("doesn't exist")
}
func (ld *Loader) SetStorage(prefix string, s blobserver.Storage) {
ld.mu.Lock()
defer ld.mu.Unlock()
if ld.sto == nil {
ld.sto = make(map[string]blobserver.Storage)
}
ld.sto[prefix] = s
}
func (ld *Loader) GetStorage(prefix string) (blobserver.Storage, error) {
ld.mu.Lock()
defer ld.mu.Unlock()
if bs, ok := ld.sto[prefix]; ok {
return bs, nil
}
if ld.sto == nil {
ld.sto = make(map[string]blobserver.Storage)
}
stoConf, ok := ld.conf.Prefixes[prefix]
if !ok {
return nil, fmt.Errorf("no storage configuration found for this prefix: %q", prefix)
}
sto, err := blobserver.CreateStorage(stoConf.StorageHandler, ld, stoConf.StorageHandlerArgs)
if err != nil {
return nil, err
}
ld.sto[prefix] = sto
return sto, nil
}