Worker.kt

package com.rules.android.lint.worker

import java.io.IOException
import java.io.PrintStream

interface Worker {
  fun processRequests(): Int

  interface WorkRequestCallback {
    /**
     * Processes an individual work request.
     */
    fun processWorkRequest(
      args: List<String>,
      printStream: PrintStream,
    ): Int
  }

  interface WorkerMessageProcessor {
    @Throws(IOException::class)
    fun readWorkRequest(): WorkRequest

    @Throws(IOException::class)
    fun writeWorkResponse(workResponse: WorkResponse)
  }

  companion object {
    /**
     * Creates the appropriate worker instance using the provided worker arguments.
     */
    fun fromArgs(
      args: Array<String>,
      workerMessageProcessor: WorkRequestCallback,
    ): Worker = InvocationWorker(args, workerMessageProcessor)
  }
}