From fee3c2b8f9a4ca782346044ab4331728997f5421 Mon Sep 17 00:00:00 2001
From: astaxie <xiemengjun@gmail.com>
Date: Wed, 15 Jan 2014 17:19:03 +0800
Subject: [PATCH] add Strings interface can return []string sep by ;

Example:
peers = one;Two;Three
---
 config/config.go   | 5 +++--
 config/fake.go     | 4 ++++
 config/ini.go      | 5 +++++
 config/ini_test.go | 8 ++++++++
 config/json.go     | 5 +++++
 config/xml.go      | 6 ++++++
 config/yaml.go     | 6 ++++++
 7 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/config/config.go b/config/config.go
index 5fb0dd81..5e4c2e9c 100644
--- a/config/config.go
+++ b/config/config.go
@@ -6,8 +6,9 @@ import (
 
 // ConfigContainer defines how to get and set value from configuration raw data.
 type ConfigContainer interface {
-	Set(key, val string) error // support section::key type in given key when using ini type.
-	String(key string) string  // support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
+	Set(key, val string) error   // support section::key type in given key when using ini type.
+	String(key string) string    // support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
+	Strings(key string) []string //get string slice
 	Int(key string) (int, error)
 	Int64(key string) (int64, error)
 	Bool(key string) (bool, error)
diff --git a/config/fake.go b/config/fake.go
index 05279932..26a9f430 100644
--- a/config/fake.go
+++ b/config/fake.go
@@ -25,6 +25,10 @@ func (c *fakeConfigContainer) String(key string) string {
 	return c.getData(key)
 }
 
+func (c *fakeConfigContainer) Strings(key string) []string {
+	return strings.Split(c.getData(key), ";")
+}
+
 func (c *fakeConfigContainer) Int(key string) (int, error) {
 	return strconv.Atoi(c.getData(key))
 }
diff --git a/config/ini.go b/config/ini.go
index 22c23f40..75e6486c 100644
--- a/config/ini.go
+++ b/config/ini.go
@@ -146,6 +146,11 @@ func (c *IniConfigContainer) String(key string) string {
 	return c.getdata(key)
 }
 
+// Strings returns the []string value for a given key.
+func (c *IniConfigContainer) Strings(key string) []string {
+	return strings.Split(c.String(key), ";")
+}
+
 // WriteValue writes a new value for key.
 // if write to one section, the key need be "section::key".
 // if the section is not existed, it panics.
diff --git a/config/ini_test.go b/config/ini_test.go
index cf87e77c..08a69e50 100644
--- a/config/ini_test.go
+++ b/config/ini_test.go
@@ -19,6 +19,7 @@ copyrequestbody = true
 key1="asta"
 key2 = "xie"
 CaseInsensitive = true
+peers = one;two;three
 `
 
 func TestIni(t *testing.T) {
@@ -78,4 +79,11 @@ func TestIni(t *testing.T) {
 	if v, err := iniconf.Bool("demo::caseinsensitive"); err != nil || v != true {
 		t.Fatal("get demo.caseinsensitive error")
 	}
+
+	if data := iniconf.Strings("demo::peers"); len(data) != 3 {
+		t.Fatal("get strings error", data)
+	} else if data[0] != "one" {
+		t.Fatal("get first params error not equat to one")
+	}
+
 }
diff --git a/config/json.go b/config/json.go
index 883e0674..24874e8a 100644
--- a/config/json.go
+++ b/config/json.go
@@ -116,6 +116,11 @@ func (c *JsonConfigContainer) String(key string) string {
 	return ""
 }
 
+// Strings returns the []string value for a given key.
+func (c *JsonConfigContainer) Strings(key string) []string {
+	return strings.Split(c.String(key), ";")
+}
+
 // WriteValue writes a new value for key.
 func (c *JsonConfigContainer) Set(key, val string) error {
 	c.Lock()
diff --git a/config/xml.go b/config/xml.go
index 35f19336..7943d8fe 100644
--- a/config/xml.go
+++ b/config/xml.go
@@ -5,6 +5,7 @@ import (
 	"io/ioutil"
 	"os"
 	"strconv"
+	"strings"
 	"sync"
 
 	"github.com/beego/x2j"
@@ -72,6 +73,11 @@ func (c *XMLConfigContainer) String(key string) string {
 	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()
diff --git a/config/yaml.go b/config/yaml.go
index 394cb3b2..bd10b846 100644
--- a/config/yaml.go
+++ b/config/yaml.go
@@ -7,6 +7,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"strings"
 	"sync"
 
 	"github.com/beego/goyaml2"
@@ -117,6 +118,11 @@ func (c *YAMLConfigContainer) String(key string) string {
 	return ""
 }
 
+// Strings returns the []string value for a given key.
+func (c *YAMLConfigContainer) Strings(key string) []string {
+	return strings.Split(c.String(key), ";")
+}
+
 // WriteValue writes a new value for key.
 func (c *YAMLConfigContainer) Set(key, val string) error {
 	c.Lock()