init commit

properties.go

@@ -0,0 +1,109 @@
+package properties
+
+import (
+	e "errors"
+	"path/filepath"
+	"strings"
+)
+
+// Properties -- type
+type Properties struct {
+	fileName string
+	path     string
+	values   map[string]string
+	length   int
+}
+
+// New -- Make new Properties object
+func New(path, fileName string) Properties {
+	return Properties{
+		fileName: fileName,
+		path:     filepath.Clean(path),
+		values:   make(map[string]string),
+		length:   0,
+	}
+}
+
+// FileName -- Getter for filename's property file
+func (p Properties) FileName() string {
+	return p.fileName
+}
+
+// SetFileName -- Setter filename's property file
+func (p *Properties) SetFileName(fileName string) {
+	p.fileName = fileName
+}
+
+// Path -- Getter for path of property file
+func (p Properties) Path() string {
+	return p.path
+}
+
+// SetPath -- Setter for path of property file
+func (p *Properties) SetPath(path string) {
+	p.path = path
+}
+
+// Length -- Getter length of property file
+func (p Properties) Length() int {
+	return p.length
+}
+
+// Values -- Getter values of property file
+func (p Properties) Values() map[string]string {
+	return p.values
+}
+
+// Put -- Put key - value in the Properties object
+func (p *Properties) Put(key, value string) error {
+	if key == "" || len(strings.TrimSpace(key)) == 0 {
+		return e.New("Key value is nil")
+	}
+	if p.values != nil {
+		p.values[key] = value
+		p.length++
+	} else {
+		return e.New("Property values is nil")
+	}
+	return nil
+}
+
+// Get -- Get value associated with key
+func (p Properties) Get(key string) (string, error) {
+	if key == "" || len(strings.TrimSpace(key)) == 0 {
+		return "", e.New("Key value is nil")
+	}
+	if _, ok := p.values[key]; !ok {
+		return "", e.New("Key not found")
+	}
+	return p.values[key], nil
+}
+
+// GetProperties -- Get all key value in Properties object
+func (p Properties) GetProperties() (keys []string) {
+	for key := range p.values {
+		keys = append(keys, key)
+	}
+	return keys
+}
+
+// DefaultLoad -- Load file in Properties object using default parse function
+func (p *Properties) DefaultLoad() (int, error) {
+	return p.Load(defaultParse)
+}
+
+// Load -- Load file in Properties object with specific parse function
+func (p *Properties) Load(pf ParseFunction) (int, error) {
+	m, err := pf(p.path, p.fileName)
+	if err != nil {
+		return 0, err
+	}
+	p.values = m
+	p.length = len(m)
+	return len(m), nil
+}
+
+// Store -- Create or modify property file with
+func (p Properties) Store() {
+	// TODO method not implemeted
+}