sbt.internal.inc.IndexBasedZipFsOps.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of zinc-classfile_2.12 Show documentation

Incremental compiler of Scala

There is a newer version: 1.10.4

/*
 * Zinc - The incremental compiler for Scala.
 * Copyright Scala Center, Lightbend, and Mark Harrah
 *
 * Licensed under Apache License 2.0
 * SPDX-License-Identifier: Apache-2.0
 *
 * See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 */

package sbt.internal.inc

import java.io.OutputStream
import java.nio.file.Path

import sbt.internal.inc.zip.ZipCentralDir

import scala.collection.JavaConverters._
import scala.collection.immutable.Seq

/**
 * The concrete implementation of [[sbt.internal.inc.IndexBasedZipOps]]
 * based on [[sbt.internal.inc.zip.ZipCentralDir]].
 */
object IndexBasedZipFsOps extends IndexBasedZipOps {
  override type CentralDir = ZipCentralDir
  override type Header = ZipCentralDir.Entry

  override protected def readCentralDir(path: Path): CentralDir = {
    new ZipCentralDir(path)
  }

  override protected def getCentralDirStart(centralDir: CentralDir): Long = {
    centralDir.getCentralDirStart
  }

  override protected def setCentralDirStart(centralDir: CentralDir, centralDirStart: Long): Unit = {
    centralDir.setCentralDirStart(centralDirStart)
  }

  override protected def getHeaders(centralDir: CentralDir): Seq[Header] = {
    centralDir.getHeaders.asScala.toVector
  }
  override protected def setHeaders(centralDir: CentralDir, headers: Seq[Header]): Unit = {
    centralDir.setHeaders(new java.util.ArrayList[Header](headers.asJava))
  }

  override protected def getFileName(header: Header): String = {
    header.getName
  }

  override protected def getFileOffset(header: Header): Long = {
    header.getEntryOffset
  }

  override protected def setFileOffset(header: Header, offset: Long): Unit = {
    header.setEntryOffset(offset)
  }

  override protected def getLastModifiedTime(header: Header): Long = {
    header.getLastModifiedTime
  }

  override protected def writeCentralDir(
      centralDir: CentralDir,
      outputStream: OutputStream
  ): Unit = {
    centralDir.dump(outputStream)
  }
}