luke
/
sbt
mirror of https://github.com/sbt/sbt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

xsbt.FileUtilities.writeLines

This commit is contained in:
Mark Harrah 2010-05-03 08:16:43 -04:00
parent 33d29a4768
commit 42f4a71584
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
util/io/FileUtilities.scala
View File

@ -6,7 +6,7 @@ package xsbt
import OpenResource._
import ErrorHandling.translate
import java.io.{ByteArrayOutputStream, File, FileInputStream, InputStream, OutputStream}
import java.io.{ByteArrayOutputStream, BufferedWriter, File, FileInputStream, InputStream, OutputStream}
import java.net.{URI, URISyntaxException, URL}
import java.nio.charset.Charset
import java.util.jar.{Attributes, JarEntry, JarFile, JarInputStream, JarOutputStream, Manifest}
@ -346,13 +346,17 @@ object FileUtilities
def defaultCharset = utf8
def write(toFile: File, content: String): Unit = write(toFile, content, defaultCharset)
def write(toFile: File, content: String, charset: Charset): Unit = write(toFile, content, charset, false)
def write(file: File, content: String, charset: Charset, append: Boolean)
def write(file: File, content: String, charset: Charset, append: Boolean): Unit =
writeCharset(file, content, charset, append) { _.write(content) }
def writeCharset[T](file: File, content: String, charset: Charset, append: Boolean)(f: BufferedWriter => T): T =
{
if(charset.newEncoder.canEncode(content))
fileWriter(charset, append)(file) { w => w.write(content); None }
fileWriter(charset, append)(file) { f }
else
error("String cannot be encoded by charset " + charset.name)
}
def read(file: File): String = read(file, defaultCharset)
def read(file: File, charset: Charset): String =
{
@ -391,6 +395,12 @@ object FileUtilities
readLine(Nil)
}
}
def writeLines(file: File, lines: Seq[String]): Unit = writeLines(file, lines, defaultCharset)
def writeLines(file: File, lines: Seq[String], charset: Charset): Unit = writeLines(file, lines, charset, false)
def writeLines(file: File, lines: Seq[String], charset: Charset, append: Boolean): Unit =
writeCharset(file, lines.headOption.getOrElse(""), charset, append) { w =>
lines.foreach { line => w.write(line); w.newLine() }
}
/** A pattern used to split a String by path separator characters.*/
private val PathSeparatorPattern = java.util.regex.Pattern.compile(File.pathSeparator)