forked from SkygearIO/skygear-server
/
preprocessor.go
37 lines (33 loc) · 1.13 KB
/
preprocessor.go
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// Copyright 2015-present Oursky Ltd.
//
// 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
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
package router
import (
"fmt"
)
//
// PreprocessorRegistry is holding all preprocessors and their mapping with
// a string name.
type PreprocessorRegistry map[string]Processor
// GetByNames returns a list of registered preprocessors by preprocessor names.
func (r PreprocessorRegistry) GetByNames(names ...string) []Processor {
preprocessors := make([]Processor, len(names))
for i, name := range names {
pp, ok := r[name]
if !ok {
panic(fmt.Sprintf("preprocessor %s is not defined", name))
}
preprocessors[i] = pp
}
return preprocessors
}