Merge pull request #2 from enesigneci/feature/capitalize-words

ADDED: String.capitalizeWords(locale: Locale, delimiter: String = " ") is added

README.md

@@ -74,6 +74,7 @@ dependencies {
 * SpannableString.bold(start: Int, end: Int)
 * SpannableString.underline(start: Int, end: Int)
 * SpannableString.italic(start: Int, end: Int)
+* String.capitalizeWords(locale: Locale, delimiter: String)
 
 ## Boolean
 

extension/src/main/java/com/mobven/extension/String.kt

@@ -5,6 +5,7 @@ import android.text.SpannableString
 import android.text.style.ForegroundColorSpan
 import android.text.style.StyleSpan
 import android.text.style.UnderlineSpan
+import java.util.*
 
 /**
  * Extension method for change color of spannable string
@@ -36,4 +37,17 @@ fun SpannableString.underline(start: Int, end: Int): SpannableString {
 fun SpannableString.italic(start: Int, end: Int): SpannableString {
     this.setSpan(StyleSpan(Typeface.ITALIC), start, end, 0)
     return this
-}
+}
+
+/**
+ * Extension method for capitalize all of the words in a [String]
+ * @param locale is to determine language if word has a different character set from app
+ * @param delimiter is to determine delimiter for each word
+ * @sample "çay erdal bakkalda içilir".capitalizeWords(Locale.forLanguageTag("TR")) returns "Çay Erdal Bakkalda İçilir"
+ * @sample "çay-şeker".capitalizeWords(Locale.forLanguageTag("TR"), "-") returns "Çay-Şeker"
+ */
+fun String.capitalizeWords(locale: Locale = Locale.ROOT, delimiter: String = " "): String {
+    return split(delimiter).joinToString(delimiter) {
+        it.toLowerCase(locale).capitalize(locale)
+    }
+}