Merge pull request #108 from doyaaaaaken/issue-97

Refactoring about #97

README.md

@@ -223,6 +223,13 @@ csvWriter().openAsync(testFileName) {
 }
 ```
 
+#### Write as String
+
+```kotlin
+val rows = listOf(listOf("a", "b", "c"), listOf("d", "e", "f"))
+val csvString: String = csvWriter().writeAllAsString(rows) //a,b,c\r\nd,e,f\r\n
+```
+
 #### long-running write (manual control for file close)
 
 If you want to close a file writer manually for performance reasons (e.g. streaming scenario), you can

src/jvmMain/kotlin/com/github/doyaaaaaken/kotlincsv/client/CsvWriter.kt

@@ -51,7 +51,7 @@ actual class CsvWriter actual constructor(
         writer.use { it.write() }
     }
 
-    fun writeString(write: ICsvFileWriter.() -> Unit): String {
+    internal fun writeAsString(write: ICsvFileWriter.() -> Unit): String {
         val baos = ByteArrayOutputStream()
         open(baos, write)
         return String(baos.toByteArray(), Charset.forName(ctx.charset))
@@ -144,7 +144,7 @@ actual class CsvWriter actual constructor(
     /**
      * write all rows to string
      */
-    fun writeAll(rows: List<List<Any?>>): String {
-        return writeString { writeRows(rows) }
+    fun writeAllAsString(rows: List<List<Any?>>): String {
+        return writeAsString { writeRows(rows) }
     }
 }

src/jvmTest/kotlin/com/github/doyaaaaaken/kotlincsv/client/CsvWriterTest.kt

@@ -91,13 +91,13 @@ class CsvWriterTest : WordSpec({
         }
     }
 
-    "writeString method" should {
+    "writeAsString method" should {
         val row1 = listOf("a", "b", null)
         val row2 = listOf("d", "2", "1.0")
         val expected = "a,b,\r\nd,2,1.0\r\n"
 
         "write simple csv data to String" {
-            val actual = csvWriter().writeString {
+            val actual = csvWriter().writeAsString {
                 writeRow(row1)
                 writeRow(row2)
             }
@@ -128,7 +128,7 @@ class CsvWriterTest : WordSpec({
         }
 
         "write data to String" {
-            val actual = csvWriter().writeAll(rows)
+            val actual = csvWriter().writeAllAsString(rows)
             actual shouldBe expected
         }
     }