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package gohadoopxml
import (
"encoding/xml"
"errors"
"io/ioutil"
"log"
"os"
)
var Version string
type Property struct {
XMLName xml.Name `xml:"property"`
Name string `xml:"name"`
Value string `xml:"value"`
}
type Configuration struct {
XMLName xml.Name `xml:"configuration"`
Properties []Property `xml:"property"`
}
func ParseXML(filename string) (Configuration, error) {
xmlFile, err := os.Open(filename)
if err != nil {
log.Println("Error occurred while opening xml file")
return Configuration{}, err
}
defer xmlFile.Close()
xmlData, _ := ioutil.ReadAll(xmlFile)
var config Configuration
xml.Unmarshal(xmlData, &config)
return config, nil
}
func GetPropertyValue(key string, config Configuration) (string, error) {
for _, p := range config.Properties {
if key == p.Name {
return p.Value, nil
}
}
return "", errors.New("Key not found")
}
func MergeConfigurations(configs ...Configuration) Configuration {
var new_config Configuration
for _, config := range configs {
new_config.Properties = append(new_config.Properties,
config.Properties...)
}
return new_config
}
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