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zio.ZIOPlatformSpecific.scala Maven / Gradle / Ivy
/*
* Copyright 2017-2024 John A. De Goes and the ZIO Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package zio
import zio.stacktracer.TracingImplicits.disableAutoTrace
import java.io.{FileInputStream, FileOutputStream, IOException}
import java.net.{URI, URL}
import java.nio.file.Path
private[zio] trait ZIOPlatformSpecific[-R, +E, +A]
private[zio] trait ZIOCompanionPlatformSpecific {
/**
* Imports a synchronous effect that does blocking IO into a pure value.
*
* If the returned `ZIO` is interrupted, the blocked thread running the
* synchronous effect will be interrupted via `Thread.interrupt`.
*
* Note that this adds significant overhead. For performance sensitive
* applications consider using `attemptBlocking` or
* `attemptBlockingCancelable`.
*/
def attemptBlockingInterrupt[A](effect: => A)(implicit trace: Trace): Task[A] =
ZIO.attemptBlocking(effect)
def readFile(path: => Path)(implicit trace: Trace, d: DummyImplicit): ZIO[Any, IOException, String] =
readFile(path.toString)
def readFile(name: => String)(implicit trace: Trace): ZIO[Any, IOException, String] =
ZIO.acquireReleaseWith(ZIO.attemptBlockingIO(scala.io.Source.fromFile(name)))(s =>
ZIO.attemptBlocking(s.close()).orDie
) { s =>
ZIO.attemptBlockingIO(s.mkString)
}
def readFileInputStream(
path: => Path
)(implicit trace: Trace, d: DummyImplicit): ZIO[Scope, IOException, ZInputStream] =
readFileInputStream(path.toString)
def readFileInputStream(
name: => String
)(implicit trace: Trace): ZIO[Scope, IOException, ZInputStream] =
ZIO
.acquireRelease(
ZIO.attemptBlockingIO {
val fis = new FileInputStream(name)
(fis, ZInputStream.fromInputStream(fis))
}
)(tuple => ZIO.attemptBlocking(tuple._1.close()).orDie)
.map(_._2)
def readURLInputStream(
url: => URL
)(implicit trace: Trace, d: DummyImplicit): ZIO[Scope, IOException, ZInputStream] =
ZIO
.acquireRelease(
ZIO.attemptBlockingIO {
val fis = url.openStream()
(fis, ZInputStream.fromInputStream(fis))
}
)(tuple => ZIO.attemptBlocking(tuple._1.close()).orDie)
.map(_._2)
def readURLInputStream(
url: => String
)(implicit trace: Trace): ZIO[Scope, IOException, ZInputStream] =
ZIO.succeed(new URL(url)).flatMap(readURLInputStream(_))
def readURIInputStream(uri: => URI)(implicit trace: Trace): ZIO[Scope, IOException, ZInputStream] =
for {
uri <- ZIO.succeed(uri)
isAbsolute <- ZIO.attemptBlockingIO(uri.isAbsolute)
is <- if (isAbsolute) readURLInputStream(uri.toURL) else readFileInputStream(uri.toString)
} yield is
def writeFile(path: => String, content: => String)(implicit trace: Trace): ZIO[Any, IOException, Unit] =
ZIO.acquireReleaseWith(ZIO.attemptBlockingIO(new java.io.FileWriter(path)))(f =>
ZIO.attemptBlocking(f.close()).orDie
) { f =>
ZIO.attemptBlockingIO(f.write(content))
}
def writeFile(path: => Path, content: => String)(implicit
trace: Trace,
d: DummyImplicit
): ZIO[Any, IOException, Unit] =
writeFile(path.toString, content)
def writeFileOutputStream(
path: => String
)(implicit trace: Trace): ZIO[Scope, IOException, ZOutputStream] =
ZIO
.acquireRelease(
ZIO.attemptBlockingIO {
val fos = new FileOutputStream(path)
(fos, ZOutputStream.fromOutputStream(fos))
}
)(tuple => ZIO.attemptBlocking(tuple._1.close()).orDie)
.map(_._2)
def writeFileOutputStream(
path: => Path
)(implicit trace: Trace, d: DummyImplicit): ZIO[Scope, IOException, ZOutputStream] =
writeFileOutputStream(path.toString)
}