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application.go
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application.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 cli
import (
"hidevops.io/hiboot/pkg/app"
"os"
"path/filepath"
"strings"
)
// Application cli application interface
type Application interface {
app.Application
}
type application struct {
app.BaseApplication
root Command
}
// CommandNameValue is the command name value pair
type CommandNameValue struct {
Name string
Command interface{}
}
const (
// RootCommandName the instance name of cli.rootCommand
RootCommandName = "cli.rootCommand"
)
// NewApplication create new cli application
func NewApplication(cmd ...interface{}) Application {
a := new(application)
a.initialize(cmd...)
return a
}
func (a *application) initialize(cmd ...interface{}) (err error) {
if len(cmd) > 0 {
app.Register(RootCommandName, cmd[0])
}
err = a.Initialize()
return
}
// Init initialize cli application
func (a *application) build() (err error) {
a.Build()
a.PrintStartupMessages()
basename := filepath.Base(os.Args[0])
basename = strings.ToLower(basename)
basename = strings.TrimSuffix(basename, ".exe")
f := a.ConfigurableFactory()
f.SetInstance(app.ApplicationContextName, a)
// build auto configurations
err = a.BuildConfigurations()
if err != nil {
return
}
// set root command
r := f.GetInstance(RootCommandName)
var root Command
if r != nil {
root = r.(Command)
Register(root)
a.root = root
root.EmbeddedCommand().Use = basename
}
return
}
// SetProperty set application property
func (a *application) SetProperty(name string, value ...interface{}) app.Application {
a.BaseApplication.SetProperty(name, value...)
return a
}
// SetAddCommandLineProperties set add command line properties to be enabled or disabled
func (a *application) SetAddCommandLineProperties(enabled bool) app.Application {
a.BaseApplication.SetAddCommandLineProperties(enabled)
return a
}
// Initialize init application
func (a *application) Initialize() error {
return a.BaseApplication.Initialize()
}
// Run run the cli application
func (a *application) Run() {
a.build()
//log.Debug(commandContainer)
if a.root != nil {
a.root.Exec()
}
}