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Change default buffer size to be 8K (same default as in java BufferedReader).

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Rename internal constants.
This commit is contained in:
Ilya Gorbunov
2016-02-04 20:13:12 +03:00
parent faba229b11
commit 17a95384e1
2 changed files with 5 additions and 6 deletions
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libraries/stdlib/src/kotlin/io/Constants.kt
+3 -4
View File
@@ -5,14 +5,13 @@ package kotlin.io
/** /**
* Returns the default buffer size when working with buffered streams. * Returns the default buffer size when working with buffered streams.
*/ */
public const val DEFAULT_BUFFER_SIZE: Int = 8 * 1024
public const val DEFAULT_BUFFER_SIZE: Int = 64 * 1024
/** /**
* Returns the default block size for forEachBlock(). * Returns the default block size for forEachBlock().
*/ */
internal const val defaultBlockSize: Int = 4096 internal const val DEFAULT_BLOCK_SIZE: Int = 4096
/** /**
* Returns the minimum block size for forEachBlock(). * Returns the minimum block size for forEachBlock().
*/ */
internal const val minimumBlockSize: Int = 512 internal const val MINIMUM_BLOCK_SIZE: Int = 512
libraries/stdlib/src/kotlin/io/FileReadWrite.kt
+2 -2
View File
@@ -102,7 +102,7 @@ public fun File.appendText(text: String, charset: Charset = Charsets.UTF_8): Uni
* *
* @param action function to process file blocks. * @param action function to process file blocks.
*/ */
public fun File.forEachBlock(action: (ByteArray, Int) -> Unit): Unit = forEachBlock(defaultBlockSize, action) public fun File.forEachBlock(action: (ByteArray, Int) -> Unit): Unit = forEachBlock(DEFAULT_BLOCK_SIZE, action)
/** /**
* Reads file by byte blocks and calls [action] for each block read. * Reads file by byte blocks and calls [action] for each block read.
@@ -114,7 +114,7 @@ public fun File.forEachBlock(action: (ByteArray, Int) -> Unit): Unit = forEachBl
* @param blockSize size of a block, replaced by 512 if it's less, 4096 by default. * @param blockSize size of a block, replaced by 512 if it's less, 4096 by default.
*/ */
public fun File.forEachBlock(blockSize: Int, action: (ByteArray, Int) -> Unit): Unit { public fun File.forEachBlock(blockSize: Int, action: (ByteArray, Int) -> Unit): Unit {
val arr = ByteArray(if (blockSize < minimumBlockSize) minimumBlockSize else blockSize) val arr = ByteArray(blockSize.coerceAtLeast(MINIMUM_BLOCK_SIZE))
val fis = FileInputStream(this) val fis = FileInputStream(this)
try { try {