Scala URI类代码示例

//设置package包名称以及导入依赖的类
package com.pygmalios.reactiveinflux.impl

import java.net.URI

import org.junit.runner.RunWith
import org.scalatest.FlatSpec
import org.scalatest.junit.JUnitRunner

@RunWith(classOf[JUnitRunner])
class URIUtilsSpec extends FlatSpec {
  behavior of "appendPath"

  it should "strip /" in {
    assert(URIUtils.appendPath(new URI("http://x/"), "/a").toString == "http://x/a")
  }

  behavior of "queryToString"

  it should "create empty query string" in {
    assert(URIUtils.queryToString() == "")
  }

  it should "create query string with single item" in {
    assert(URIUtils.queryToString("a" -> "b") == "?a=b")
  }

  it should "create query string with two items" in {
    assert(URIUtils.queryToString("a" -> "b", "c" -> "d") == "?a=b&c=d")
  }
} 

//设置package包名称以及导入依赖的类
package helper

import java.net.URI
import com.rabbitmq.client._

object RabbitMQHelper {
  def setupConnection(rabbitmqUri: String): Connection = {
    val factory = new ConnectionFactory()

    val uri = new URI(rabbitmqUri)

    factory.setUsername(uri.getUserInfo.split(":")(0));
    factory.setPassword(uri.getUserInfo.split(":")(1));
    factory.setHost(uri.getHost);
    factory.setPort(uri.getPort);
    factory.setVirtualHost(uri.getPath.substring(1));

    val connection = factory.newConnection()
 
    return connection
  }
} 

//设置package包名称以及导入依赖的类
package works.weave.socks.aws.orders.dataaccess.web

import com.amazonaws.util.IOUtils
import com.fasterxml.jackson.core.`type`.TypeReference
import java.lang.reflect.ParameterizedType
import java.lang.reflect.Type
import java.net.URI
import javax.xml.ws.http.HTTPException
import org.apache.http.client.methods.HttpGet
import org.apache.http.impl.client.HttpClientBuilder
import org.slf4j.LoggerFactory
import works.weave.socks.aws.orders.ProjectDefaultJacksonMapper

object JSONHTTP {

  val Log = LoggerFactory.getLogger(getClass)

  val objectMapper = ProjectDefaultJacksonMapper.build() // after (_.bla)

  def get[T : Manifest : NotNothing](uri : URI) : T = {
    val client = HttpClientBuilder.create.build
    val get = new HttpGet(uri)
    get.addHeader("Accept", "application/json")
    val response = client.execute(get)
    val responseString = IOUtils.toString(response.getEntity.getContent)
    Log.info(s"Got status ${response.getStatusLine.getStatusCode}")
    if (response.getStatusLine.getStatusCode == 200) {
      Log.info(s"Got response from URI $uri: $responseString")
      objectMapper.readValue(responseString, typeReference[T])
    } else {
      throw new HTTPException(response.getStatusLine.getStatusCode)
    }
  }

  def typeReference[T : Manifest] = new TypeReference[T] {
    override def getType = typeFromManifest(manifest[T])
  }

  def typeFromManifest(m : Manifest[_]) : Type = {
    if (m.typeArguments.isEmpty) { m.runtimeClass }
    else new ParameterizedType {
      def getRawType = m.runtimeClass
      def getActualTypeArguments = m.typeArguments.map(typeFromManifest).toArray
      def getOwnerType = null
    }
  }

  // Trick to disable nothign for type param
  sealed trait NotNothing[-T]

  object NotNothing {
    implicit object notNothing extends NotNothing[Any]
    implicit object `The error is because the missing type parameter was resolved to Nothing` extends NotNothing[Nothing]
  }

} 

//设置package包名称以及导入依赖的类
package com.kurz.services

import java.net.URI

import redis.clients.jedis.{JedisPool, JedisPoolConfig}

object RedisConnectionPool {
  lazy val instance: JedisPool = {
    new JedisPool(poolConfig, connectionURI, 10000)
  }

  lazy val poolConfig: JedisPoolConfig = {
    val config = new JedisPoolConfig()

    // Use ENV to set MAX/MIN/IDLE?
    config.setMaxTotal(100)
    config.setMinIdle(100)
    config.setMaxIdle(100)
    config.setMaxWaitMillis(10000)

    config
  }

  lazy val connectionURI: URI = {
    new URI(Option(System.getenv("REDIS_URL")).getOrElse("redis://127.0.0.1:6379"))
  }
} 

//设置package包名称以及导入依赖的类
package walfie.gbf.raidfinder.server.persistence

import com.trueaccord.scalapb.{GeneratedMessage, GeneratedMessageCompanion, Message}
import java.net.URI
import redis.clients.jedis.{BinaryJedis, Jedis}

trait ProtobufStorage {
  type CacheItem[T] = GeneratedMessage with Message[T]

  def set[T <: CacheItem[T]](key: String, value: T): Unit
  def get[T <: CacheItem[T]](
    key: String
  )(implicit companion: GeneratedMessageCompanion[T]): Option[T]

  def close(): Unit
}

object ProtobufStorage {
  def redis(uri: URI): RedisProtobufStorage = {
    new RedisProtobufStorage(new BinaryJedis(uri))
  }
}

// TODO: Write integration test
class RedisProtobufStorage(redis: BinaryJedis) extends ProtobufStorage {
  def set[T <: CacheItem[T]](key: String, value: T): Unit = {
    redis.set(key.getBytes, value.toByteArray)
  }

  def get[T <: CacheItem[T]](
    key: String
  )(implicit companion: GeneratedMessageCompanion[T]): Option[T] = {
    Option(redis.get(key.getBytes)).flatMap { bytes =>
      companion.validate(bytes).toOption
    }
  }

  def close(): Unit = redis.close()
}

object NoOpProtobufStorage extends ProtobufStorage {
  def set[T <: CacheItem[T]](key: String, value: T): Unit = ()

  def get[T <: CacheItem[T]](
    key: String
  )(implicit companion: GeneratedMessageCompanion[T]): Option[T] = None

  def close(): Unit = ()
} 

//设置package包名称以及导入依赖的类
package bridgeapp.crawler

import java.net.URI

import akka.actor.{ActorRef, ActorSystem, Cancellable}
import bridgeapp.crawler.execution._
import com.typesafe.scalalogging.LazyLogging

import scala.concurrent.duration._
import scala.util.control.NonFatal


class RobotsTxtLookUp(throttling: ActorRef) extends Runnable with LazyLogging {
  override def run(): Unit = {
    logger.warn(s" Lookup robots.txt")
    val uri = new URI("https://rutracker.org/robots.txt")

    val parser = new ResponseParser {
      override def ->(response: Response): Unit = {
        val body = new String(response.body)
        Robots.parse(body) match {
          case Left(error) =>
            logger.error(s"Error parse robots txt file, $error ")
          case Right(robots) =>
            robots.nonGroupFields.map(s => (s.key, s.value)).toMap[String, String].get("Crawl-delay").fold() { delay =>
              try {
                val rate = Rate(1, delay.toFloat.second)
                throttling ! SetRate(rate)
              } catch {
                case NonFatal(e) => logger.error("Error parse crawl delay directive in robots.txt. ", e)
              }
            }
        }
      }
    }
    val request = Request(uri, parser)

    //throttling !! request
  }
}

class RobotsTXTScheduleExecutor(robotsTxtLookUp: RobotsTxtLookUp)(implicit val actorSystem: ActorSystem) {

  private implicit val prep = actorSystem.dispatcher.prepare()

  private var instance: Cancellable = _

  def execute(duration: FiniteDuration) = {
    instance = actorSystem.scheduler.schedule(duration, duration, robotsTxtLookUp)
  }

  def cancel(): Unit = {
    instance.cancel()
  }
} 

//设置package包名称以及导入依赖的类
package apodemakeles.scaluty

import java.net.{URI, URL}


  implicit class RichURL(url: URL)
  {
    final lazy val queryMap: Map[String, String] = evaluateQueryMap()

    private def evaluateQueryMap(): Map[String, String] = {
      Option(url.getQuery) match {
        case None => Map.empty[String, String]
        case Some(query) =>
          query
            .split("&")
            .filter(p => p.trim != "" && p.exists(c => c == '='))
            .map
            {
              p =>
                val array = p.split('=')
                if (array.length > 1) (array(0), array(1)) else (array(0), "")
            }.toMap

      }
    }

    def getQueryMap = queryMap

    def getPathWithDefault = if (url.getPath == null || url.getPath == "") "/" else url.getPath

    def appendQuery(tup: (String, String)): URL = {

      var query = if (url.getQuery == null) "" else url.getQuery

      if (query != "") query += "&"

      query += (tup._1 + "=" + tup._2)

      new URI(
        url.getProtocol,
        url.getUserInfo,
        url.getHost,
        url.getPort,
        url.getPath,
        query,
        null).toURL

    }
  }
} 

//设置package包名称以及导入依赖的类
package uk.co.appministry.scathon.client

import java.net.URI

import uk.co.appministry.scathon.models.v2.EventSubscriptionSubscribeEvent
import com.twitter.finagle.http.Status

class EventSubscriptionTests extends TestBase {

  "Event subscriptions operations" should {

    val callbackUri = "http://callback-uri.com/some-path"

    "create a subscription when requested" in {
      whenReady( client.createEventSubscription(new URI(callbackUri)) ) { event =>
        event shouldBe a[EventSubscriptionSubscribeEvent]
      }
    }

    "get a subscription list when requested" in {
      whenReady( client.getEventSubscriptions() ) { items =>
        items shouldBe( List(callbackUri) )
      }
    }

    "delete a subscription when requested" in {
      whenReady( client.deleteEventSubscription(new URI(callbackUri)) ) { status =>
        status shouldBe(Status.Ok)
        whenReady( client.getEventSubscriptions() ) { items =>
          items shouldBe( List.empty[String] )
        }
      }
    }

  }

} 

//设置package包名称以及导入依赖的类
import java.net.URI
import org.java_websocket.client.WebSocketClient
import org.java_websocket.drafts.Draft_17
import org.java_websocket.handshake.ServerHandshake
import collection.JavaConversions._
import scala.collection.mutable.ListBuffer

class ClientInteraction(uri: String) {

    val messages = ListBuffer[String]()

    val client = new WebSocketClient(URI.create("ws://localhost:9000/" + uri),
            new Draft_17()) {

        def onError(p1: Exception) {
            println("onError")
        }

        def onMessage(message: String) {
            messages += message
            println("onMessage, message = " + message)
        }

        def onClose(code: Int, reason: String, remote: Boolean) {
            println("onClose")
        }

        def onOpen(handshakedata: ServerHandshake) {
            println("onOpen")
        }
    }
} 

//设置package包名称以及导入依赖的类
package tech.artemisia.task.settings

import java.net.URI

import com.typesafe.config.{Config, ConfigFactory}
import tech.artemisia.util.HoconConfigUtil.Handler
import tech.artemisia.util.URIParser


case class LoadSettings(location: URI, skipRows: Int = 0, override val delimiter: Char = ',', override val quoting: Boolean = false,
                        override val quotechar: Char = '"', override val escapechar: Char = '\\', mode: String = "default",
                        rejectFile: Option[String] = None, errorTolerance: Float = -1) extends
    CSVSettings(delimiter, quoting, quotechar, escapechar) {

}

object LoadSettings {

  val default_config = ConfigFactory parseString
    """
      |{
      |	header =  no
      |	skip-lines = 0
      |	delimiter = ","
      |	quoting = no
      |	quotechar = "\""
      | escapechar = "\\"
      | mode = default
      | error-file = null
      | error-tolerence = 2
      |}
    """.stripMargin

  def apply(inputConfig: Config): LoadSettings = {
    val config = inputConfig withFallback default_config
    LoadSettings (
    location = URIParser.parse(config.as[String]("load-path")),
    skipRows = if (config.as[Int]("skip-lines") == 0) if (config.as[Boolean]("header")) 1 else 0 else config.as[Int]("skip-lines"),
    delimiter = config.as[Char]("delimiter"),
    quoting = config.as[Boolean]("quoting"),
    quotechar = config.as[Char]("quotechar"),
    escapechar = config.as[Char]("escapechar"),
    mode = config.as[String]("mode"),
    rejectFile = if (config.getIsNull("error-file")) None else Some(config.as[String]("error-file"))
    )
  }

} 

//设置package包名称以及导入依赖的类
package tech.artemisia.task.settings

import java.net.URI

import com.typesafe.config.{Config, ConfigFactory}
import tech.artemisia.util.FileSystemUtil
import tech.artemisia.util.HoconConfigUtil.Handler


  case class ExportSetting(file: URI, header: Boolean = false, override val delimiter: Char = ',',
                         override val quoting: Boolean = false, override val quotechar: Char = '"',
                         override val escapechar: Char = '\\')
  extends CSVSettings(delimiter, quoting, quotechar, escapechar)

object ExportSetting {

  val default_config = ConfigFactory parseString
    """
      | {
      |	  header = false
      |	  delimiter = ","
      |	  quoting = no,
      |	  quotechar = "\""
      |   escapechar = "\\"
      |	}
      |
    """.stripMargin

  def apply(inputConfig: Config): ExportSetting = {
    val config = inputConfig withFallback default_config
    ExportSetting(
      file = FileSystemUtil.makeURI(config.as[String]("file")),
      header = config.as[Boolean]("header"),
      delimiter = config.as[Char]("delimiter"),
      quoting = config.as[Boolean]("quoting"),
      escapechar = config.as[Char]("escapechar"),
      quotechar =  config.as[Char]("quotechar")
    )
  }
} 

//设置package包名称以及导入依赖的类
package com.gu.hmac

import java.net.URI

import org.joda.time.DateTime
import org.scalatest.{Matchers, FlatSpec}

class HMACRequestTest extends FlatSpec with Matchers {

  val uri = new URI("/signin?query=someData")
  val date = new DateTime(1994, 11, 15, 8, 12)

  "toString" should "include empty string for content MD5 if there is no content" in{
    val request = HMACRequest(
      httpVerb = HTTP.GET,
      date = HMACDate(date),
      uri = uri,
      contentMd5 = HMACContentMD5(None)
    )
    request.toSeq.length should be(6)
    request.toString should be("GET\n\n\nTue, 15 Nov 1994 08:12:00 GMT\n/signin\n")
  }

  "toString" should "include empty string for content type if there is no content type" in{
    val request = HMACRequest(
      httpVerb = HTTP.GET,
      date = HMACDate(date),
      uri = uri,
      contentType = None,
      contentMd5 = HMACContentMD5(Some("content"))
    )
    request.toSeq.length should be(6)
    request.toString should be("GET\nmgNkuembtIDdJeHwKEyFVQ==\n\nTue, 15 Nov 1994 08:12:00 GMT\n/signin\n")
  }

  "toString" should "include empty string for additional headers if there are no additional headers" in{
    val request = HMACRequest(
      httpVerb = HTTP.GET,
      date = HMACDate(date),
      uri = uri,
      contentType = HMACContentType("application/json"),
      contentMd5 = HMACContentMD5(Some("content")),
      additionalHeaders = None
    )
    request.toSeq.length should be(6)
    request.toString should be("GET\nmgNkuembtIDdJeHwKEyFVQ==\napplication/json\nTue, 15 Nov 1994 08:12:00 GMT\n/signin\n")
  }

} 

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

import java.lang.annotation.Annotation
import java.net.URI
import java.util.{Date, Locale}

import org.apache.commons.lang3.ClassUtils

import scala.reflect.ClassTag

final class ClassOps[T](val self: Class[T]) extends AnyVal {
  import cls._

  def isSimpleType: Boolean = ClassUtils.isPrimitiveOrWrapper(self) ||
    classOf[CharSequence].isAssignableFrom(self) ||
    classOf[Number].isAssignableFrom(self) ||
    classOf[Date].isAssignableFrom(self) ||
    classOf[URI] == self ||
    classOf[Locale] == self ||
    classOf[Class[_]] == self ||
    self.isEnum

  def findAnnotation[A <: Annotation : ClassTag](annotationClass: Class[A]): Option[A] =
    Option(self getAnnotation annotationClass).orElse {
      self.getInterfaces.find(_ isAnnotationPresent annotationClass).flatMap(_.findAnnotation[A])
    }.orElse {
      if (classOf[Annotation] isAssignableFrom self) None
      else self.getAnnotations.map(_.annotationType).find(_ isAnnotationPresent annotationClass).flatMap(_.findAnnotation[A])
    }.orElse {
      Option(self.getSuperclass).filter(_ != classOf[Object]).flatMap(_.findAnnotation[A])
    }

  @inline
  def findAnnotation[A <: Annotation](implicit atag: ClassTag[A]): Option[A] =
    findAnnotation(atag.runtimeClass.asInstanceOf[Class[A]])
}

trait ToClassOps {
  implicit def toClassOps[T](x: Class[T]): ClassOps[T] = new ClassOps(x)
} 

//设置package包名称以及导入依赖的类
package prisoners_dilemma

import akka.actor.ActorContext
import java.net.URI

class RemoteStrategy(context:ActorContext, firstMove: URI)
extends Strategizer {

  def newGame(): RoundStrategy = {
     // call first URI
     val (move, uri) = parseResponse("la la ala la ala")
     new RemoteRoundStrategy(context, move, uri)
  }

  private def parseResponse(response: String ): (Move, URI) = ???

 private class RemoteRoundStrategy(context:ActorContext, myMove: Move, nextURI: URI) extends RoundStrategy {
  val currentMove = myMove
  def next(m: Move) = {
    // call URI
    val (nextMove, laterURI) = parseResponse("bananas")
    new RemoteRoundStrategy(context, nextMove, laterURI)
  }
 }

} 

//设置package包名称以及导入依赖的类
package info.armado.ausleihe.client.connection.exceptions

import javax.ws.rs.ProcessingException
import java.net.URI
import java.net.ConnectException
import info.armado.ausleihe.client.model.ConnectionProperties
import info.armado.ausleihe.client.model.Configuration

case class NotFoundException(val serverAddress: URI) extends Exception
case class BadRequestException(val serverAddress: URI) extends Exception
case class InternalServerErrorException(val serverAddress: URI) extends Exception
case class UnhandledStatusCodeException(val serverAddress: URI, val statusCode: Int) extends Exception

object ServerUnreachableException {
  def unapply(connectException: ConnectException): Option[URI] = Some(new URI(Configuration.connectionProperties.baseURL))
}

object ProcessingExceptionWrapper {
  def unapply(processException: ProcessingException): Option[Throwable] = Option(processException.getCause)
}