Scala Utils类代码示例

//设置package包名称以及导入依赖的类
package com.github.shadowsocks.acl

import java.net.InetAddress
import java.util.Objects

import com.github.shadowsocks.utils.Utils


@throws[IllegalArgumentException]
class Subnet(val address: InetAddress, val prefixSize: Int) extends Comparable[Subnet] {
  private def addressLength = address.getAddress.length << 3
  if (prefixSize < 0 || prefixSize > addressLength) throw new IllegalArgumentException

  override def toString: String =
    if (prefixSize == addressLength) address.getHostAddress else address.getHostAddress + '/' + prefixSize

  override def compareTo(that: Subnet): Int = {
    val addrThis = address.getAddress
    val addrThat = that.address.getAddress
    var result = addrThis lengthCompare addrThat.length // IPv4 address goes first
    if (result != 0) return result
    for ((x, y) <- addrThis zip addrThat) {
      result = (x & 0xFF) compare (y & 0xFF)  // undo sign extension of signed byte
      if (result != 0) return result
    }
    prefixSize compare that.prefixSize
  }

  override def equals(other: Any): Boolean = other match {
    case that: Subnet => address == that.address && prefixSize == that.prefixSize
    case _ => false
  }
  override def hashCode: Int = Objects.hash(address, prefixSize: Integer)
}

object Subnet {
  @throws[IllegalArgumentException]
  def fromString(value: String): Subnet = {
    val parts = value.split("/")
    val addr = Utils.parseNumericAddress(parts(0))
    parts.length match {
      case 1 => new Subnet(addr, addr.getAddress.length << 3)
      case 2 => new Subnet(addr, parts(1).toInt)
      case _ => throw new IllegalArgumentException()
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.github.shadowsocks

import android.annotation.TargetApi
import android.graphics.drawable.Icon
import android.service.quicksettings.{Tile, TileService}
import com.github.shadowsocks.aidl.IShadowsocksServiceCallback
import com.github.shadowsocks.utils.{State, Utils}


@TargetApi(24)
final class ShadowsocksTileService extends TileService with ServiceBoundContext {

  private lazy val iconIdle = Icon.createWithResource(this, R.drawable.ic_start_idle).setTint(0x80ffffff)
  private lazy val iconBusy = Icon.createWithResource(this, R.drawable.ic_start_busy)
  private lazy val iconConnected = Icon.createWithResource(this, R.drawable.ic_start_connected)
  private lazy val callback = new IShadowsocksServiceCallback.Stub {
    def trafficUpdated(txRate: Long, rxRate: Long, txTotal: Long, rxTotal: Long) = ()
    def stateChanged(state: Int, profileName: String, msg: String) {
      val tile = getQsTile
      if (tile != null) {
        state match {
          case State.STOPPED =>
            tile.setIcon(iconIdle)
            tile.setLabel(getString(R.string.app_name))
            tile.setState(Tile.STATE_INACTIVE)
          case State.CONNECTED =>
            tile.setIcon(iconConnected)
            tile.setLabel(if (profileName == null) getString(R.string.app_name) else profileName)
            tile.setState(Tile.STATE_ACTIVE)
          case _ =>
            tile.setIcon(iconBusy)
            tile.setLabel(getString(R.string.app_name))
            tile.setState(Tile.STATE_UNAVAILABLE)
        }
        tile.updateTile
      }
    }
  }

  override def onServiceConnected() = callback.stateChanged(bgService.getState, bgService.getProfileName, null)

  override def onStartListening {
    super.onStartListening
    attachService(callback)
  }
  override def onStopListening {
    super.onStopListening
    detachService // just in case the user switches to NAT mode, also saves battery
  }

  override def onClick() = if (isLocked) unlockAndRun(toggle) else toggle()

  private def toggle() = if (bgService != null) bgService.getState match {
    case State.STOPPED => Utils.startSsService(this)
    case State.CONNECTED => Utils.stopSsService(this)
    case _ => // ignore
  }
} 

//设置package包名称以及导入依赖的类
package com.github.shadowsocks

import android.app.Activity
import android.content.Intent
import android.content.pm.ShortcutManager
import android.os.{Build, Bundle}
import com.github.shadowsocks.utils.{State, Utils}


class QuickToggleShortcut extends Activity with ServiceBoundContext {
  override def onCreate(savedInstanceState: Bundle) {
    super.onCreate(savedInstanceState)
    getIntent.getAction match {
      case Intent.ACTION_CREATE_SHORTCUT =>
        setResult(Activity.RESULT_OK, new Intent()
          .putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(this, classOf[QuickToggleShortcut]))
          .putExtra(Intent.EXTRA_SHORTCUT_NAME, getString(R.string.quick_toggle))
          .putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
            Intent.ShortcutIconResource.fromContext(this, R.mipmap.ic_launcher)))
        finish()
      case _ =>
        attachService()
        if (Build.VERSION.SDK_INT >= 25) getSystemService(classOf[ShortcutManager]).reportShortcutUsed("toggle")
    }
  }

  override def onDestroy() {
    detachService()
    super.onDestroy()
  }

  override def onServiceConnected() {
    bgService.getState match {
      case State.STOPPED => Utils.startSsService(this)
      case State.CONNECTED => Utils.stopSsService(this)
      case _ => // ignore
    }
    finish()
  }
} 

//设置package包名称以及导入依赖的类
package com.github.shadowsocks

import android.annotation.TargetApi
import android.graphics.drawable.Icon
import android.service.quicksettings.{Tile, TileService}
import com.github.shadowsocks.aidl.IShadowsocksServiceCallback
import com.github.shadowsocks.utils.{State, Utils}



@TargetApi(24)
final class ShadowsocksTileService extends TileService with ServiceBoundContext {

  private lazy val iconIdle = Icon.createWithResource(this, R.drawable.ic_start_idle).setTint(0x80ffffff)
  private lazy val iconBusy = Icon.createWithResource(this, R.drawable.ic_start_busy)
  private lazy val iconConnected = Icon.createWithResource(this, R.drawable.ic_start_connected)
  private lazy val callback = new IShadowsocksServiceCallback.Stub {
    def trafficUpdated(txRate: Long, rxRate: Long, txTotal: Long, rxTotal: Long) = ()
    def stateChanged(state: Int, profileName: String, msg: String) {
      val tile = getQsTile
      if (tile != null) {
        state match {
          case State.STOPPED =>
            tile.setIcon(iconIdle)
            tile.setLabel(getString(R.string.app_name))
            tile.setState(Tile.STATE_INACTIVE)
          case State.CONNECTED =>
            tile.setIcon(iconConnected)
            tile.setLabel(if (profileName == null) getString(R.string.app_name) else profileName)
            tile.setState(Tile.STATE_ACTIVE)
          case _ =>
            tile.setIcon(iconBusy)
            tile.setLabel(getString(R.string.app_name))
            tile.setState(Tile.STATE_UNAVAILABLE)
        }
        tile.updateTile
      }
    }
  }

  override def onServiceConnected() = callback.stateChanged(bgService.getState, bgService.getProfileName, null)

  override def onStartListening {
    super.onStartListening
    attachService(callback)
  }
  override def onStopListening {
    super.onStopListening
    detachService // just in case the user switches to NAT mode, also saves battery
  }

  override def onClick() = if (isLocked) unlockAndRun(toggle) else toggle()

  private def toggle() = if (bgService != null) bgService.getState match {
    case State.STOPPED => Utils.startSsService(this)
    case State.CONNECTED => Utils.stopSsService(this)
    case _ => // ignore
  }
} 

//设置package包名称以及导入依赖的类
package com.github.shadowsocks.acl

import java.net.{Inet4Address, Inet6Address, InetAddress}

import com.github.shadowsocks.utils.Utils


@throws[IllegalArgumentException]
class Subnet(val address: InetAddress, val prefixSize: Int) extends Comparable[Subnet] {
  if (prefixSize < 0) throw new IllegalArgumentException
  address match {
    case _: Inet4Address => if (prefixSize > 32) throw new IllegalArgumentException
    case _: Inet6Address => if (prefixSize > 128) throw new IllegalArgumentException
  }

  override def toString: String = if (address match {
    case _: Inet4Address => prefixSize == 32
    case _: Inet6Address => prefixSize == 128
  }) address.getHostAddress else address.getHostAddress + '/' + prefixSize

  override def compareTo(that: Subnet): Int = {
    val addrThis = address.getAddress
    val addrThat = that.address.getAddress
    var result = addrThis lengthCompare addrThat.length // IPv4 address goes first
    if (result != 0) return result
    for ((x, y) <- addrThis zip addrThat) {
      result = (x & 0xFF) compare (y & 0xFF)  // undo sign extension of signed byte
      if (result != 0) return result
    }
    prefixSize compare that.prefixSize
  }
}

object Subnet {
  @throws[IllegalArgumentException]
  def fromString(value: String): Subnet = {
    val parts = value.split("/")
    if (!Utils.isNumeric(parts(0))) throw new IllegalArgumentException()
    val addr = InetAddress.getByName(parts(0))
    parts.length match {
      case 1 => new Subnet(addr, addr match {
        case _: Inet4Address => 32
        case _: Inet6Address => 128
      })
      case 2 => new Subnet(addr, parts(1).toInt)
      case _ => throw new IllegalArgumentException()
    }
  }
}