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Format for types that can be read/written to/from InputStream/OutputStream 

use case: java.util.jar.Manifest
This commit is contained in:
Mark Harrah 2010-12-02 19:45:58 -05:00
parent 1cd848cd9b
commit f1f8c0eb0b
1 changed files with 8 additions and 2 deletions
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10
cache/Cache.scala vendored
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@ -4,7 +4,7 @@
package sbt
import sbinary.{CollectionTypes, DefaultProtocol, Format, Input, JavaFormats, Output}
import java.io.File
import java.io.{ByteArrayInputStream, ByteArrayOutputStream, File, InputStream, OutputStream}
import java.net.{URI, URL}
import Types.:+:
import DefaultProtocol.{asProduct2, asSingleton, BooleanFormat, ByteFormat, IntFormat, wrap}
@ -108,7 +108,13 @@ trait BasicCacheImplicits
implicit def stringSetEquiv: Equiv[Set[String]] = defaultEquiv
implicit def stringMapEquiv: Equiv[Map[String, String]] = defaultEquiv
def streamFormat[T](write: (T, OutputStream) => Unit, f: InputStream => T): Format[T] =
{
val toBytes = (t: T) => { val bos = new ByteArrayOutputStream; write(t, bos); bos.toByteArray }
val fromBytes = (bs: Array[Byte]) => f(new ByteArrayInputStream(bs))
wrap(toBytes, fromBytes)(DefaultProtocol.ByteArrayFormat)
}
implicit def xmlInputCache(implicit strEq: InputCache[String]): InputCache[NodeSeq] = wrapIn[NodeSeq, String](_.toString, strEq)
implicit def seqCache[T](implicit t: InputCache[T]): InputCache[Seq[T]] =