AutoInstallState.kt

package io.sentry.android.gradle.autoinstall

import io.sentry.gradle.SENTRY_SDK_VERSION
import java.io.Serializable
import org.gradle.api.invocation.Gradle
import org.jetbrains.annotations.TestOnly

class AutoInstallState private constructor() : Serializable {

  @get:Synchronized @set:Synchronized var sentryVersion: String = SENTRY_SDK_VERSION

  @get:Synchronized @set:Synchronized var enabled: Boolean = false

  override fun toString(): String {
    return "AutoInstallState(sentryVersion='$sentryVersion', enabled=$enabled)"
  }

  override fun equals(other: Any?): Boolean {
    if (this === other) return true
    if (javaClass != other?.javaClass) return false

    other as AutoInstallState

    if (sentryVersion != other.sentryVersion) return false
    return enabled == other.enabled
  }

  override fun hashCode(): Int {
    var result = sentryVersion.hashCode()
    result = 31 * result + enabled.hashCode()
    return result
  }

  // We can't use Kotlin object because we need new instance on each Gradle rebuild
  // But if we're inside Gradle daemon, Kotlin object will be shared between builds
  companion object {
    @field:Volatile private var instance: AutoInstallState? = null

    @JvmStatic
    @Synchronized
    fun getInstance(gradle: Gradle? = null): AutoInstallState {
      if (instance != null) {
        return instance!!
      }

      val state = AutoInstallState()
      instance = state

      if (gradle != null) {
        BuildFinishedListenerService.getInstance(gradle).onClose { instance = null }
      }

      return state
    }

    @JvmStatic
    @Synchronized
    @TestOnly
    fun clearReference() {
      instance = null
    }
  }
}