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https://github.com/astaxie/beego.git
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config: add more method
DefaultString(key string, defaultval string) string // support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same. DefaultStrings(key string, defaultval []string) []string //get string slice DefaultInt(key string, defaultval int) int DefaultInt64(key string, defaultval int64) int64 DefaultBool(key string, defaultval bool) bool DefaultFloat(key string, defaultval float64) float64 DIY(key string) (interface{}, error) GetSection(section string) (map[string]string, error) SaveConfigFile(filename string) error
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@ -12,10 +12,13 @@ package config
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import (
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"sync"
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"time"
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)
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// JsonConfig is a json config parser and implements Config interface.
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@ -48,6 +51,16 @@ func (js *JsonConfig) Parse(filename string) (ConfigContainer, error) {
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return x, nil
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}
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func (js *JsonConfig) ParseData(data []byte) (ConfigContainer, error) {
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// Save memory data to temporary file
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tmpName := path.Join(os.TempDir(), "beego", fmt.Sprintf("%d", time.Now().Nanosecond()))
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os.MkdirAll(path.Dir(tmpName), os.ModePerm)
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if err := ioutil.WriteFile(tmpName, data, 0655); err != nil {
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return nil, err
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}
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return js.Parse(tmpName)
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}
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// A Config represents the json configuration.
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// Only when get value, support key as section:name type.
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type JsonConfigContainer struct {
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@ -67,6 +80,16 @@ func (c *JsonConfigContainer) Bool(key string) (bool, error) {
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return false, errors.New("not exist key:" + key)
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}
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// DefaultBool return the bool value if has no error
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// otherwise return the defaultval
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func (c *JsonConfigContainer) DefaultBool(key string, defaultval bool) bool {
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if v, err := c.Bool(key); err != nil {
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return defaultval
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} else {
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return v
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}
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}
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// Int returns the integer value for a given key.
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func (c *JsonConfigContainer) Int(key string) (int, error) {
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val := c.getData(key)
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@ -79,6 +102,16 @@ func (c *JsonConfigContainer) Int(key string) (int, error) {
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return 0, errors.New("not exist key:" + key)
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}
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// DefaultInt returns the integer value for a given key.
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// if err != nil return defaltval
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func (c *JsonConfigContainer) DefaultInt(key string, defaultval int) int {
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if v, err := c.Int(key); err != nil {
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return defaultval
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} else {
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return v
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}
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}
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// Int64 returns the int64 value for a given key.
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func (c *JsonConfigContainer) Int64(key string) (int64, error) {
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val := c.getData(key)
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@ -91,6 +124,16 @@ func (c *JsonConfigContainer) Int64(key string) (int64, error) {
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return 0, errors.New("not exist key:" + key)
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}
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// DefaultInt64 returns the int64 value for a given key.
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// if err != nil return defaltval
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func (c *JsonConfigContainer) DefaultInt64(key string, defaultval int64) int64 {
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if v, err := c.Int64(key); err != nil {
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return defaultval
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} else {
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return v
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}
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}
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// Float returns the float value for a given key.
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func (c *JsonConfigContainer) Float(key string) (float64, error) {
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val := c.getData(key)
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@ -103,6 +146,16 @@ func (c *JsonConfigContainer) Float(key string) (float64, error) {
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return 0.0, errors.New("not exist key:" + key)
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}
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// DefaultFloat returns the float64 value for a given key.
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// if err != nil return defaltval
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func (c *JsonConfigContainer) DefaultFloat(key string, defaultval float64) float64 {
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if v, err := c.Float(key); err != nil {
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return defaultval
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} else {
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return v
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}
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}
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// String returns the string value for a given key.
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func (c *JsonConfigContainer) String(key string) string {
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val := c.getData(key)
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@ -114,11 +167,56 @@ func (c *JsonConfigContainer) String(key string) string {
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return ""
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}
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// DefaultString returns the string value for a given key.
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// if err != nil return defaltval
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func (c *JsonConfigContainer) DefaultString(key string, defaultval string) string {
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if v := c.String(key); v == "" {
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return defaultval
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} else {
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return v
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}
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}
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// Strings returns the []string value for a given key.
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func (c *JsonConfigContainer) Strings(key string) []string {
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return strings.Split(c.String(key), ";")
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}
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// DefaultStrings returns the []string value for a given key.
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// if err != nil return defaltval
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func (c *JsonConfigContainer) DefaultStrings(key string, defaultval []string) []string {
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if v := c.Strings(key); len(v) == 0 {
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return defaultval
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} else {
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return v
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}
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}
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// GetSection returns map for the given section
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func (c *JsonConfigContainer) GetSection(section string) (map[string]string, error) {
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if v, ok := c.data[section]; ok {
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return v.(map[string]string), nil
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} else {
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return nil, errors.New("not exist setction")
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}
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}
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// SaveConfigFile save the config into file
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func (c *JsonConfigContainer) SaveConfigFile(filename string) (err error) {
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// Write configuration file by filename.
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f, err := os.Create(filename)
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if err != nil {
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return err
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}
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defer f.Close()
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b, err := json.MarshalIndent(c.data, "", " ")
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if err != nil {
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return err
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}
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_, err = f.Write(b)
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return err
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}
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// WriteValue writes a new value for key.
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func (c *JsonConfigContainer) Set(key, val string) error {
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c.Lock()
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