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scala.collection.convert.ImplicitConversions.scala Maven / Gradle / Ivy
/*
* Scala (https://www.scala-lang.org)
*
* Copyright EPFL and Lightbend, Inc.
*
* Licensed under Apache License 2.0
* (http://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package scala
package collection
package convert
import java.util.{concurrent => juc}
import java.{lang => jl, util => ju}
import scala.collection.JavaConverters._
import scala.language.implicitConversions
/** Defines implicit converter methods from Java to Scala collections. */
@deprecated("Use `scala.jdk.CollectionConverters` instead", "2.13.0")
trait ToScalaImplicits {
/** Implicitly converts a Java `Iterator` to a Scala `Iterator`.
* @see [[JavaConverters.asScalaIterator]]
*/
implicit def `iterator asScala`[A](it: ju.Iterator[A]): Iterator[A] = asScalaIterator(it)
/** Implicitly converts a Java `Enumeration` to a Scala `Iterator`.
* @see [[JavaConverters.enumerationAsScalaIterator]]
*/
implicit def `enumeration AsScalaIterator`[A](i: ju.Enumeration[A]): Iterator[A] = enumerationAsScalaIterator(i)
/** Implicitly converts a Java `Iterable` to a Scala `Iterable`.
* @see [[JavaConverters.iterableAsScalaIterable]]
*/
implicit def `iterable AsScalaIterable`[A](i: jl.Iterable[A]): Iterable[A] = iterableAsScalaIterable(i)
/** Implicitly converts a Java `Collection` to an Scala `Iterable`.
* @see [[JavaConverters.collectionAsScalaIterable]]
*/
implicit def `collection AsScalaIterable`[A](i: ju.Collection[A]): Iterable[A] = collectionAsScalaIterable(i)
/** Implicitly converts a Java `List` to a Scala mutable `Buffer`.
* @see [[JavaConverters.asScalaBuffer]]
*/
implicit def `list asScalaBuffer`[A](l: ju.List[A]): mutable.Buffer[A] = asScalaBuffer(l)
/** Implicitly converts a Java `Set` to a Scala mutable `Set`.
* @see [[JavaConverters.asScalaSet]]
*/
implicit def `set asScala`[A](s: ju.Set[A]): mutable.Set[A] = asScalaSet(s)
/** Implicitly converts a Java `Map` to a Scala mutable `Map`.
* @see [[JavaConverters.mapAsScalaMap]]
*/
implicit def `map AsScala`[K, V](m: ju.Map[K, V]): mutable.Map[K, V] = mapAsScalaMap(m)
/** Implicitly converts a Java `ConcurrentMap` to a Scala mutable `ConcurrentMap`.
* @see [[JavaConverters.mapAsScalaConcurrentMap]]
*/
implicit def `map AsScalaConcurrentMap`[K, V](m: juc.ConcurrentMap[K, V]): concurrent.Map[K, V] = mapAsScalaConcurrentMap(m)
/** Implicitly converts a Java `Dictionary` to a Scala mutable `Map`.
* @see [[JavaConverters.dictionaryAsScalaMap]]
*/
implicit def `dictionary AsScalaMap`[K, V](p: ju.Dictionary[K, V]): mutable.Map[K, V] = dictionaryAsScalaMap(p)
/** Implicitly converts a Java `Properties` to a Scala `mutable Map[String, String]`.
* @see [[JavaConverters.propertiesAsScalaMap]]
*/
implicit def `properties AsScalaMap`(p: ju.Properties): mutable.Map[String, String] = propertiesAsScalaMap(p)
}
/** Defines implicit conversions from Scala to Java collections. */
@deprecated("Use `scala.jdk.CollectionConverters` instead", "2.13.0")
trait ToJavaImplicits {
/** Implicitly converts a Scala `Iterator` to a Java `Iterator`.
* @see [[JavaConverters.asJavaIterator]]
*/
implicit def `iterator asJava`[A](it: Iterator[A]): ju.Iterator[A] = asJavaIterator(it)
/** Implicitly converts a Scala `Iterator` to a Java `Enumeration`.
* @see [[JavaConverters.asJavaEnumeration]]
*/
implicit def `enumeration asJava`[A](it: Iterator[A]): ju.Enumeration[A] = asJavaEnumeration(it)
/** Implicitly converts a Scala `Iterable` to a Java `Iterable`.
* @see [[JavaConverters.asJavaIterable]]
*/
implicit def `iterable asJava`[A](i: Iterable[A]): jl.Iterable[A] = asJavaIterable(i)
/** Implicitly converts a Scala `Iterable` to an immutable Java `Collection`.
* @see [[JavaConverters.asJavaCollection]]
*/
implicit def `collection asJava`[A](it: Iterable[A]): ju.Collection[A] = asJavaCollection(it)
/** Implicitly converts a Scala mutable `Buffer` to a Java `List`.
* @see [[JavaConverters.bufferAsJavaList]]
*/
implicit def `buffer AsJavaList`[A](b: mutable.Buffer[A]): ju.List[A] = bufferAsJavaList(b)
/** Implicitly converts a Scala mutable `Seq` to a Java `List`.
* @see [[JavaConverters.mutableSeqAsJavaList]]
*/
implicit def `mutableSeq AsJavaList`[A](seq: mutable.Seq[A]): ju.List[A] = mutableSeqAsJavaList(seq)
/** Implicitly converts a Scala `Seq` to a Java `List`.
* @see [[JavaConverters.seqAsJavaList]]
*/
implicit def `seq AsJavaList`[A](seq: Seq[A]): ju.List[A] = seqAsJavaList(seq)
/** Implicitly converts a Scala mutable `Set` to a Java `Set`.
* @see [[JavaConverters.mutableSetAsJavaSet]]
*/
implicit def `mutableSet AsJavaSet`[A](s: mutable.Set[A]): ju.Set[A] = mutableSetAsJavaSet(s)
/** Implicitly converts a Scala `Set` to a Java `Set`.
* @see [[JavaConverters.setAsJavaSet]]
*/
implicit def `set AsJavaSet`[A](s: Set[A]): ju.Set[A] = setAsJavaSet(s)
/** Implicitly converts a Scala mutable `Map` to a Java `Map`.
* @see [[JavaConverters.mutableMapAsJavaMap]]
*/
implicit def `mutableMap AsJavaMap`[K, V](m: mutable.Map[K, V]): ju.Map[K, V] = mutableMapAsJavaMap(m)
/** Implicitly converts a Scala mutable `Map` to a Java `Dictionary`.
* @see [[JavaConverters.asJavaDictionary]]
*/
implicit def `dictionary asJava`[K, V](m: mutable.Map[K, V]): ju.Dictionary[K, V] = asJavaDictionary(m)
/** Implicitly converts a Scala `Map` to a Java `Map`.
* @see [[JavaConverters.mapAsJavaMap]]
*/
implicit def `map AsJavaMap`[K, V](m: Map[K, V]): ju.Map[K, V] = mapAsJavaMap(m)
/** Implicitly converts a Scala mutable `concurrent.Map` to a Java `ConcurrentMap`.
* @see [[JavaConverters.mapAsJavaConcurrentMap]]
*/
implicit def `map AsJavaConcurrentMap`[K, V](m: concurrent.Map[K, V]): juc.ConcurrentMap[K, V] = mapAsJavaConcurrentMap(m)
}
/**
* Convenience for miscellaneous implicit conversions from Scala to Java collections API.
*
* It is recommended to use explicit conversions provided by [[collection.JavaConverters]] instead.
* Implicit conversions may cause unexpected issues, see [[ImplicitConversions]].
*/
@deprecated("Use `scala.jdk.CollectionConverters` instead", "2.13.0")
object ImplicitConversionsToJava extends ToJavaImplicits
/**
* Convenience for miscellaneous implicit conversions from Java to Scala collections API.
*
* It is recommended to use explicit conversions provided by [[collection.JavaConverters]] instead.
* Implicit conversions may cause unexpected issues, see [[ImplicitConversions]].
*/
@deprecated("Use `scala.jdk.CollectionConverters` instead", "2.13.0")
object ImplicitConversionsToScala extends ToScalaImplicits
/**
* Convenience for miscellaneous implicit conversions between Java and Scala collections API.
*
* It is recommended to use explicit conversions provided by [[collection.JavaConverters]] instead.
* Implicit conversions may cause unexpected issues. Example:
*
* {{{
* import collection.convert.ImplicitConversions._
* case class StringBox(s: String)
* val m = Map(StringBox("one") -> "uno")
* m.get("one")
* }}}
*
* The above example returns `null` instead of producing a type error at compile-time. The map is
* implicitly converted to a `java.util.Map` which provides a method `get(x: AnyRef)`.
*/
@deprecated("Use `scala.jdk.CollectionConverters` instead", "2.13.0")
object ImplicitConversions extends ToScalaImplicits with ToJavaImplicits
