beego: move dependency module to sub package

config/xml/xml.go

@@ -0,0 +1,99 @@
+package config
+
+import (
+	"errors"
+	"io/ioutil"
+	"os"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/beego/x2j"
+)
+
+// XmlConfig is a xml config parser and implements Config interface.
+// xml configurations should be included in <config></config> tag.
+// only support key/value pair as <key>value</key> as each item.
+type XMLConfig struct {
+}
+
+// Parse returns a ConfigContainer with parsed xml config map.
+func (xmls *XMLConfig) Parse(filename string) (ConfigContainer, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+	x := &XMLConfigContainer{
+		data: make(map[string]interface{}),
+	}
+	content, err := ioutil.ReadAll(file)
+	if err != nil {
+		return nil, err
+	}
+	d, err := x2j.DocToMap(string(content))
+	if err != nil {
+		return nil, err
+	}
+	x.data = d["config"].(map[string]interface{})
+	return x, nil
+}
+
+// A Config represents the xml configuration.
+type XMLConfigContainer struct {
+	data map[string]interface{}
+	sync.Mutex
+}
+
+// Bool returns the boolean value for a given key.
+func (c *XMLConfigContainer) Bool(key string) (bool, error) {
+	return strconv.ParseBool(c.data[key].(string))
+}
+
+// Int returns the integer value for a given key.
+func (c *XMLConfigContainer) Int(key string) (int, error) {
+	return strconv.Atoi(c.data[key].(string))
+}
+
+// Int64 returns the int64 value for a given key.
+func (c *XMLConfigContainer) Int64(key string) (int64, error) {
+	return strconv.ParseInt(c.data[key].(string), 10, 64)
+}
+
+// Float returns the float value for a given key.
+func (c *XMLConfigContainer) Float(key string) (float64, error) {
+	return strconv.ParseFloat(c.data[key].(string), 64)
+}
+
+// String returns the string value for a given key.
+func (c *XMLConfigContainer) String(key string) string {
+	if v, ok := c.data[key].(string); ok {
+		return v
+	}
+	return ""
+}
+
+// Strings returns the []string value for a given key.
+func (c *XMLConfigContainer) Strings(key string) []string {
+	return strings.Split(c.String(key), ";")
+}
+
+// WriteValue writes a new value for key.
+func (c *XMLConfigContainer) Set(key, val string) error {
+	c.Lock()
+	defer c.Unlock()
+	c.data[key] = val
+	return nil
+}
+
+// DIY returns the raw value by a given key.
+func (c *XMLConfigContainer) DIY(key string) (v interface{}, err error) {
+	if v, ok := c.data[key]; ok {
+		return v, nil
+	}
+	return nil, errors.New("not exist key")
+}
+
+func init() {
+	Register("xml", &XMLConfig{})
+}