Scala Reader类代码示例

//设置package包名称以及导入依赖的类
package io.github.nawforce.apexlink.utils

import java.io.{InputStream, InputStreamReader, Reader}

import org.antlr.v4.runtime.{ANTLRInputStream, IntStream}


class CaseInsensitiveInputStream(r: Reader, initialSize: Int, readChunkSize: Int)
  extends ANTLRInputStream(r, initialSize, readChunkSize) {

  //lazy is important here because need initiated data[], which is loaded in super class
  private lazy val lowercaseData: Array[Char] = data.map(_.toLower)

  def this(r: Reader) {
    this(r, initialSize = 1024, readChunkSize = 1024)
  }

  def this(input: InputStream) {
    this(new InputStreamReader(input), initialSize = 1024, readChunkSize = 1024)
  }

  override def LA(index: Int): Int = {
    var i = index
    if (i == 0) {
      return 0
    }
    if (i < 0) {
      i += 1
      if ((p + i - 1) < 0) {
        return IntStream.EOF
      }
    }
    if ((p + i - 1) >= n) {
      return IntStream.EOF
    }

    if (null != lowercaseData) {
      lowercaseData(p + i - 1)
    } else {
      data(p + i - 1).toLower
    }
  }

  def dump(): Unit = {
    var i = 0
    var value = 0

    do {
      value = LA(i)
      i += 1
      print(value.asInstanceOf[Char])
    } while (value != IntStream.EOF)
  }
} 

//设置package包名称以及导入依赖的类
package se.gigurra.ramlgen.core

import java.io.{File, Reader}

import org.raml.v2.api.model.v10.api.{Api => V10Model}
import org.raml.v2.api.model.v10.datamodel.TypeDeclaration
import org.raml.v2.api.model.v10.security.{SecurityScheme, SecuritySchemeRef}
import org.raml.v2.api.{RamlModelBuilder, RamlModelResult}

import scala.collection.JavaConversions._


  val securitySchemas: Seq[SecurityScheme] = model.securitySchemes

  ///.. .. ..
  // RAML is tooo huuuuge >P> Maybe I could generate code for a subset.. but types through security... that's a bigger problem :S
}

object RamlModel {

  def fromLocation(location: String): RamlModel = apply(new RamlModelBuilder().buildApi(location))
  def fromFile(file: File): RamlModel = apply(new RamlModelBuilder().buildApi(file))
  def fromReader(reader: Reader, location: String): RamlModel = apply(new RamlModelBuilder().buildApi(reader, location))
  def fromContent(content: Reader, location: String): RamlModel = apply(new RamlModelBuilder().buildApi(content, location))

  def apply(parseResult: RamlModelResult): RamlModel = {
    if (parseResult.hasErrors)
      throw RamlParseError(parseResult.getValidationResults)
    new RamlModel(Option(parseResult.getApiV10).getOrElse(throw UnsupportedRamlVersion(s"<1.0")))
  }
} 

//设置package包名称以及导入依赖的类
package com.pacbio.common.dependency

import java.io.{Reader, File}
import java.net.URL

import com.typesafe.config.{ConfigParseOptions, ConfigFactory, Config}

trait ConfigProvider {
  val parseOptions: Singleton[ConfigParseOptions] = Singleton(ConfigParseOptions.defaults())
  val config: Singleton[Config]
}

trait DefaultConfigProvider extends ConfigProvider {
  override val config: Singleton[Config] = Singleton(() => ConfigFactory.load(parseOptions()))
}

trait FileConfigProvider extends ConfigProvider {
  val configFile: Singleton[File]
  override val config: Singleton[Config] =
    Singleton(() => ConfigFactory.parseFile(configFile(), parseOptions()))
}

trait ReaderConfigProvider extends ConfigProvider {
  val configReader: Singleton[Reader]
  override val config: Singleton[Config] =
    Singleton(() => ConfigFactory.parseReader(configReader(), parseOptions()))
}

trait URLConfigProvider extends ConfigProvider {
  val configURL: Singleton[URL]
  override val config: Singleton[Config] =
    Singleton(() => ConfigFactory.parseURL(configURL(), parseOptions()))
}

trait StringConfigProvider extends ConfigProvider {
  val configString: Singleton[String]
  override val config: Singleton[Config] =
    Singleton(() => ConfigFactory.parseString(configString(), parseOptions()))
} 

//设置package包名称以及导入依赖的类
package jp.pigumer

import java.io.{OutputStream, Reader}
import java.security.cert.X509Certificate
import java.security.{KeyStore, PrivateKey}

import org.bouncycastle.openssl.jcajce.JcaPEMKeyConverter
import org.bouncycastle.openssl.{PEMKeyPair, PEMParser}

object Pkcs12Convertor {

  def parsePrivateKey(reader: Reader): PrivateKey = {
    val pemParser = new PEMParser(reader)
    val pemKeyPair = pemParser.readObject().asInstanceOf[PEMKeyPair]
    new JcaPEMKeyConverter().getKeyPair(pemKeyPair).getPrivate
  }

  def parseCertificate(reader: Reader): X509Certificate = {
    val pemParser = new PEMParser(reader)
    val certificate = pemParser.readObject()
    null
  }

  def write(os: OutputStream, privateKey: PrivateKey, password: Array[Char], certificate: X509Certificate): Unit = {
    val keyStore = KeyStore.getInstance("pkcs12")
    keyStore.load(null, password)

    keyStore.setKeyEntry("1", privateKey, password, Seq(certificate).toArray)
    keyStore.store(os, password)
  }

} 

//设置package包名称以及导入依赖的类
package com.hypertino.hyperbus.model

import java.io.{Reader, Writer}

import com.hypertino.binders.json.JsonBindersFactory
import com.hypertino.binders.value.{Obj, Value}
import com.hypertino.hyperbus.serialization.{ResponseDeserializer, SerializationOptions}

trait DynamicBody extends Body {
  def content: Value

  def serialize(writer: Writer)(implicit so: SerializationOptions): Unit = {
    import com.hypertino.binders.json.JsonBinders._
    import so._
    content.writeJson(writer)
  }

  def copy(
            contentType: Option[String] = this.contentType,
            content: Value = this.content
          ): DynamicBody = {
    DynamicBody(content, contentType)
  }
}

object DynamicBody {
  def apply(content: Value, contentType: Option[String]): DynamicBody = DynamicBodyContainer(contentType, content)

  def apply(content: Value): DynamicBody = DynamicBodyContainer(None, content)

  def apply(reader: Reader, contentType: Option[String]): DynamicBody = {
    JsonBindersFactory.findFactory().withReader(reader) { deserializer =>
      apply(deserializer.unbind[Value], contentType)
    }
  }

  def unapply(dynamicBody: DynamicBody) = Some((dynamicBody.contentType, dynamicBody.content))
}

private[model] case class DynamicBodyContainer(contentType: Option[String], content: Value) extends DynamicBody 

//设置package包名称以及导入依赖的类
package com.hypertino.hyperbus.model

import java.io.{Reader, Writer}

import com.hypertino.binders.value._
import com.hypertino.hyperbus.serialization.{DeserializeException, SerializationOptions}

trait EmptyBody extends DynamicBody {
  override def serialize(writer: Writer)(implicit so: SerializationOptions): Unit = writer.write("{}")
}

case object EmptyBody extends EmptyBody {
  def contentType: Option[String] = None
  def content = Null
  def apply(reader: Reader, contentType: Option[String]): EmptyBody = {
    val body = DynamicBody.apply(reader, contentType)
    if (body.content.isEmpty)
      EmptyBody
    else {
      throw DeserializeException(s"EmptyBody is expected, but got: '${body.content}'")
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.hypertino.hyperbus.model

import java.io.{Reader, Writer}

import com.hypertino.binders.json.JsonBindersFactory
import com.hypertino.binders.value.{Obj, Value}
import com.hypertino.hyperbus.serialization.ResponseDeserializer
import com.hypertino.hyperbus.transport.api.matchers.RequestMatcher

case class DynamicRequest(body: DynamicBody,
                          headers: RequestHeaders) extends Request[DynamicBody]

case class DynamicRequestObservableMeta(requestMatcher: RequestMatcher)
  extends RequestObservableMeta[DynamicRequest]

object DynamicRequest extends RequestMeta[DynamicRequest] {
  type ResponseType = DynamicResponse
  implicit val requestMeta = this

  def apply(hrl: HRL, method: String, body: DynamicBody, headersMap: HeadersMap)
           (implicit mcx: MessagingContext): DynamicRequest = {
    DynamicRequest(body, RequestHeaders(new HeadersBuilder()
      .withHRL(hrl)
      .withMethod(method)
      .withContentType(body.contentType)
      .withContext(mcx)
      .++=(headersMap)
      .result())
    )
  }

  def apply(hrl: HRL, method: String, body: DynamicBody)
           (implicit mcx: MessagingContext): DynamicRequest = {
    DynamicRequest(body, RequestHeaders(new HeadersBuilder()
      .withHRL(hrl)
      .withMethod(method)
      .withContentType(body.contentType)
      .withContext(mcx)
      .result())
    )
  }

  def apply(reader: Reader, headersMap: HeadersMap): DynamicRequest = {
    val headers = RequestHeaders(headersMap)
    val body = DynamicBody(reader, headers.contentType)
    new DynamicRequest(body, headers)
  }

  override def responseDeserializer: ResponseDeserializer[DynamicResponse] = StandardResponse.dynamicDeserializer
} 

//设置package包名称以及导入依赖的类
package com.hypertino.hyperbus.serialization

import java.io.{Reader, StringReader}

import com.fasterxml.jackson.core.{JsonFactory, JsonParser}
import com.hypertino.binders.json.{JacksonParserAdapter, JsonBindersFactory}
import com.hypertino.binders.value.{Obj, Text, Value}
import com.hypertino.hyperbus.model.{Body, Header, Headers, HeadersMap, Message}

object MessageReader {
  def read[M <: Message[_ <: Body,_ <: Headers]](reader: Reader, concreteDeserializer: MessageDeserializer[M]): M = {
    val jacksonFactory = new JsonFactory()
    jacksonFactory.disable(JsonParser.Feature.AUTO_CLOSE_SOURCE)

    val jp = jacksonFactory.createParser(reader)
    val headers = try {
      val adapter = new JacksonParserAdapter(jp)
      val headers = JsonBindersFactory.findFactory().withJsonParserApi(adapter) { jpa ?
        val headersSeq = jpa.unbind[Value].asInstanceOf[Obj].v.toSeq // todo: this isn't great, also see https://github.com/hypertino/binders/issues/2

        val transformedSeq = headersSeq.map {
          case (Header.CONTENT_TYPE, value) ? Header.CONTENT_TYPE ? JsonContentTypeConverter.universalJsonContentTypeToSimple(value)
          case other ? other
        }

        HeadersMap(transformedSeq: _*)
      }

      jp.nextToken()
      val offset = jp.getTokenLocation.getCharOffset
      reader.reset()
      reader.skip(offset)
      headers
    }
    finally {
      jp.close()
    }

    concreteDeserializer(reader, headers)
  }

  def fromString[M <: Message[_ <: Body,_ <: Headers]](message: String, concreteDeserializer: MessageDeserializer[M]): M = {
    val stringReader = new StringReader(message)
    try {
      read(stringReader, concreteDeserializer)
    }
    finally {
      stringReader.close()
    }
  }
} 

//设置package包名称以及导入依赖的类
package com.atomist.project.common.template

import java.io.{Reader, StringReader}

import com.atomist.source.ArtifactSource
import com.github.mustachejava.resolver.DefaultResolver
import com.typesafe.scalalogging.LazyLogging

class ArtifactSourceBackedMustacheResolver(artifactSource: ArtifactSource)
  extends DefaultResolver
    with LazyLogging{

  override def getReader(resourceName: String): Reader = {
    logger.debug(s"Need to return Reader for $resourceName")
    artifactSource.findFile(resourceName) match {
      case Some(f) => new StringReader(f.content)
      case _ => new StringReader(resourceName)
    }
  }
} 

//设置package包名称以及导入依赖的类
package faunadb.importer.lang

import java.io.Reader

object MonitoredIOReader {
  type Callback = (Long) => Unit

  def apply(delegate: Reader)(fn: Callback): MonitoredIOReader =
    new MonitoredIOReader(fn, delegate)
}

final class MonitoredIOReader private(callback: MonitoredIOReader.Callback, delegate: Reader) extends Reader {
  def read(cbuf: Array[Char], off: Int, len: Int): Int = {
    val bytesRead = delegate.read(cbuf, off, len)
    if (bytesRead != -1) callback(bytesRead)
    bytesRead
  }

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

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

import java.io.Reader

import com.github.mpetruska.ukmodulo.Error
import com.github.mpetruska.ukmodulo.digits.AccountDigits
import com.github.mpetruska.ukmodulo.table.SortCodeSubstitutionRowParser._

object SortCodeSubstitutionTable extends ResourceTable {

  type Row = SortCodeSubstitutionRow

  val resourcePath = "/scsubtab.txt"

  def parseAllRows(in: Reader): Either[Error, List[Row]] = {
    SortCodeSubstitutionRowParser.parseAllRows(in) match {
      case Success(value, _)   => Right(value)
      case NoSuccess(error, _) => Left(error)
    }
  }

  def performSubstitutionFor(accountDigits: AccountDigits): Either[Error, AccountDigits] = {
    table.right.flatMap { substitutionTable =>
      val originalSortCode = AccountDigits.getSortCode(accountDigits)
      substitutionTable.find(_.originalSortCode == originalSortCode) match {
        case None             => Right(accountDigits)
        case Some(substitute) => AccountDigits.parse(substitute.substitution, AccountDigits.getAccountNumber(accountDigits))
      }
    }
  }

} 

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

import java.io.Reader

import com.github.mpetruska.ukmodulo.Error
import com.github.mpetruska.ukmodulo.digits.AccountDigits
import com.github.mpetruska.ukmodulo.table.ModulusWeightRowParser._

object ModulusWeightTable extends ResourceTable {

  type Row = ModulusWeightRow

  val resourcePath = "/valacdosv440.txt"

  def parseAllRows(in: Reader): Either[Error, List[Row]] = {
    ModulusWeightRowParser.parseAllRows(in) match {
      case Success(value, _)   => Right(value)
      case NoSuccess(error, _) => Left(error)
    }
  }

  def getWeightRowsFor(accountDigits: AccountDigits): Either[Error, List[ModulusWeightRow]] = {
    val accountNumber = AccountDigits.getSortCode(accountDigits)
    table.right.map { weightTable =>
      weightTable.filter(row => row.rangeStart <= accountNumber && row.rangeEnd >= accountNumber)
    }
  }

} 

//设置package包名称以及导入依赖的类
package com.iofficecorp.svg

import java.io.Reader
import java.io.Writer

import org.xml.sax.{XMLReader, Attributes, InputSource}
import org.xml.sax.helpers.XMLReaderFactory

import org.dom4j.io.XMLWriter


object Starscream {
  private implicit class FilterChain(val reader: XMLReader) {
    def chain(newReader: XMLReader => XMLReader): FilterChain =
      new FilterChain(newReader(reader))
  }

  def transformSVGFromReaderToWriter(
      reader: Reader,
      writer: Writer,
      scale:Float = 1.0f,
      minimum:Float = Float.MinValue)
      : Unit = {
    val filter =
      XMLReaderFactory.createXMLReader()
        .chain(new ScaleFilter(_, scale))
        .chain(new MinimumFilter(_, minimum))
        .chain(new StripWhitespaceFilter(_, "id"))
        .chain(new StripWhitespaceFilter(_, "href"))
        .reader
    val xmlWriter = new XMLWriter(writer)
    filter.setContentHandler(xmlWriter)
    filter.parse(new InputSource(reader))
  }
} 

//设置package包名称以及导入依赖的类
package com.hypertino.binders.json

import java.io.{Reader, Writer}

import com.hypertino.binders.core.{BindOptions, Deserializer, Serializer}
import com.hypertino.binders.json.api.{JsonBindersFactoryApi, JsonGeneratorApi, JsonParserApi}
import com.hypertino.inflector.naming.{Converter, PlainConverter}

import scala.scalajs.js
import scala.scalajs.js.JSON

trait JsonBindersFactory[C <: Converter, S <: Serializer[C], D <: Deserializer[C]]
  extends JsonBindersFactoryApi[C, S, D] {

  override def withStringParser[T](jsonString: String)
                                  (codeBlock: D ? T)
                                  (implicit bindOptions: BindOptions): T = {
    val adapter = new JsParserAdapter(JSON.parse(jsonString))
    val jds = createDeserializer(adapter)
    codeBlock(jds)
  }

  override def withReader[T](reader: Reader)
                            (codeBlock: (D) ? T)
                            (implicit bindOptions: BindOptions): T = {
    val stringBuilder = new StringBuilder
    val len = 256
    val buffer = new Array[Char](len)
    var readed = len
    while (readed == len) {
      readed = reader.read(buffer, 0, len)
      stringBuilder.append(buffer, 0, readed)
    }
    withStringParser(stringBuilder.toString())(codeBlock)
  }

  def withJsonObjectParser[T](jsonObject: js.Dynamic)
                             (codeBlock: D ? T)
                             (implicit bindOptions: BindOptions): T = {
    withJsonParserApi(new JsParserAdapter(jsonObject))(codeBlock)
  }

  override def withWriter(writer: Writer)
                         (codeBlock: S ? Unit)
                         (implicit bindOptions: BindOptions): Unit = {
    withJsonGeneratorApi(new JsGeneratorAdapter(writer))(codeBlock)
  }
}

object JsonBindersFactory {
  implicit val defaultJsonBindersFactory = new DefaultJsonBindersFactory[PlainConverter.type]
  def findFactory[C <: Converter, S <: Serializer[C], D <: Deserializer[C]]()
    (implicit factory: JsonBindersFactory[C, S, D]): JsonBindersFactory[C, S, D] = factory
} 

//设置package包名称以及导入依赖的类
package com.hypertino.binders.json.api

import java.io.{Reader, StringReader, StringWriter, Writer}

import com.hypertino.binders.core.{BindOptions, Deserializer, Serializer}
import com.hypertino.inflector.naming.Converter

trait JsonBindersFactoryApi[C <: Converter, S <: Serializer[C], D <: Deserializer[C]] {
  def createSerializer(jsonGenerator: JsonGeneratorApi)(implicit bindOptions: BindOptions): S
  def createDeserializer(jsonParser: JsonParserApi)(implicit bindOptions: BindOptions): D
  def prettyPrint: Boolean = false

  def withStringParser[T](jsonString: String)(codeBlock: D ? T)(implicit bindOptions: BindOptions): T  = {
    val reader = new StringReader(jsonString)
    try {
      withReader[T](reader)(codeBlock)
    } finally {
      reader.close()
    }
  }

  def withStringGenerator(codeBlock: S ? Unit)(implicit bindOptions: BindOptions): String = {
    val writer = new StringWriter()
    try {
      withWriter(writer)(codeBlock)
    } finally {
      writer.close()
    }
    writer.toString
  }

  def withJsonParserApi[T](jsonParserApi: JsonParserApi)(codeBlock: D ? T)(implicit bindOptions: BindOptions): T = {
    val jds = createDeserializer(jsonParserApi)
    codeBlock(jds)
  }

  def withJsonGeneratorApi(jsonGeneratorApi: JsonGeneratorApi)(codeBlock: S ? Unit)(implicit bindOptions: BindOptions): Unit = {
    val js = createSerializer(jsonGeneratorApi)
    codeBlock(js)
  }

  def withReader[T](reader: Reader)(codeBlock: D ? T)(implicit bindOptions: BindOptions): T

  def withWriter(writer: Writer)(codeBlock: S ? Unit)(implicit bindOptions: BindOptions): Unit
}