• Home
• com.github.fburato
• highwheel-modules-parser_2.12
• 2.3.0
• source code
• CompoundClassPathRoot.scala

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

com.github.fburato.highwheelmodules.bytecodeparser.classpath.CompoundClassPathRoot.scala Maven / Gradle / Ivy

package com.github.fburato.highwheelmodules.bytecodeparser.classpath

import com.github.fburato.highwheelmodules.model.bytecode.ElementName
import com.github.fburato.highwheelmodules.model.classpath.ClasspathRoot
import com.github.fburato.highwheelmodules.utils.TryUtils._

import java.io.InputStream
import scala.util.Try

class CompoundClassPathRoot(roots: Seq[ClasspathRoot]) extends ClasspathRoot {
  override def getData(elementName: ElementName): Try[Option[InputStream]] =
    sequence(roots.map(cpr => cpr.getData(elementName)))
      .map(getFirstNonNullOrNull)

  private def getFirstNonNullOrNull(streams: Seq[Option[InputStream]]): Option[InputStream] =
    streams
      .flatMap(maybeStream => maybeStream.toSeq)
      .headOption

  override def classNames: Try[Seq[ElementName]] =
    sequence(roots.map(cpr => cpr.classNames))
      .map(result => result.flatten)

  override def getResource(name: String): Try[Option[InputStream]] =
    sequence(roots.map(cpr => cpr.getResource(name)))
      .map(getFirstNonNullOrNull)
}