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autoconfigure.go
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autoconfigure.go
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// Copyright 2018 John Deng (hi.devops.io@gmail.com).
//
// 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 locale provides the hiboot starter for injectable locale (i18n) dependency
package locale
import (
"github.com/kataras/iris/middleware/i18n"
"hidevops.io/hiboot/pkg/app"
"hidevops.io/hiboot/pkg/app/web/context"
"hidevops.io/hiboot/pkg/utils/io"
"os"
"path/filepath"
"strings"
)
const (
// Profile is the profile of locale, it should be as same as the package name
Profile = "locale"
)
type configuration struct {
app.Configuration
Properties *properties
applicationContext app.ApplicationContext
}
func newConfiguration(applicationContext app.ApplicationContext, properties *properties) *configuration {
return &configuration{
applicationContext: applicationContext,
Properties: properties,
}
}
func init() {
app.Register(newConfiguration, new(properties))
}
func (c *configuration) Handler() (handler context.Handler) {
// TODO: localePath should be configurable in application.yml
// locale:
// en-US: ./config/i18n/en-US.ini
// cn-ZH: ./config/i18n/cn-ZH.ini
// TODO: or
// locale:
// path: ./config/i18n/
localePath, _ := filepath.Abs(c.Properties.LocalePath)
// parse language files
languages := make(map[string]string)
err := filepath.Walk(localePath, func(lngPath string, info os.FileInfo, err error) error {
if err == nil {
//*files = append(*files, path)
lng := strings.Replace(lngPath, localePath, "", 1)
lng = io.BaseDir(lng)
lng = strings.Replace(lng, string(filepath.Separator), "", -1)
if lng != "" && lng != "." && lngPath != localePath+lng {
//languages[lng] = path
if languages[lng] == "" {
languages[lng] = lngPath
} else {
languages[lng] = languages[lng] + ", " + lngPath
}
//log.Debugf("%v, %v", lng, languages[lng])
}
}
return err
})
if err == nil && len(languages) != 0 {
handler = context.NewHandler(i18n.New(i18n.Config{
Default: c.Properties.Default,
URLParameter: c.Properties.URLParameter,
Languages: languages,
}))
c.applicationContext.Use(handler)
}
return handler
}