play-json
API
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play-json/play.api.libs.json/DefaultReads

DefaultReads

play.api.libs.json.DefaultReads
trait DefaultReads extends LowPriorityDefaultReads

Default deserializer type classes.

Attributes

Graph
Supertypes
trait EnvReads
class Object
trait Matchable
class Any
Known subtypes
object Reads.type

Members list

Type members

Classlikes

object BigIntReads extends Reads[BigInt]

Deserializer for BigInt

Deserializer for BigInt

Attributes

Supertypes
trait Reads[BigInt]
class Object
trait Matchable
class Any
Self type
object BigIntegerReads extends Reads[BigInteger]

Deserializer for BigInteger

Deserializer for BigInteger

Attributes

Supertypes
trait Reads[BigInteger]
class Object
trait Matchable
class Any
Self type
object BooleanReads extends Reads[Boolean]

Deserializer for Boolean types.

Deserializer for Boolean types.

Attributes

Supertypes
trait Reads[Boolean]
class Object
trait Matchable
class Any
Self type
object ByteReads extends Reads[Byte]

Deserializer for Byte types.

Deserializer for Byte types.

Attributes

Supertypes
trait Reads[Byte]
class Object
trait Matchable
class Any
Self type
ByteReads.type
object DoubleReads extends Reads[Double]

Deserializer for Double types.

Deserializer for Double types.

Attributes

Supertypes
trait Reads[Double]
class Object
trait Matchable
class Any
Self type
object FloatReads extends Reads[Float]

Deserializer for Float types.

Deserializer for Float types.

Attributes

Supertypes
trait Reads[Float]
class Object
trait Matchable
class Any
Self type
FloatReads.type
object IntReads extends Reads[Int]

Deserializer for Int types.

Deserializer for Int types.

Attributes

Supertypes
trait Reads[Int]
class Object
trait Matchable
class Any
Self type
IntReads.type
object JsArrayReads extends Reads[JsArray]

Deserializer for JsArray.

Deserializer for JsArray.

Attributes

Supertypes
trait Reads[JsArray]
class Object
trait Matchable
class Any
Self type
object JsBooleanReads extends Reads[JsBoolean]

Deserializer for JsBoolean.

Deserializer for JsBoolean.

Attributes

Supertypes
trait Reads[JsBoolean]
class Object
trait Matchable
class Any
Self type
object JsNumberReads extends Reads[JsNumber]

Deserializer for JsNumber.

Deserializer for JsNumber.

Attributes

Supertypes
trait Reads[JsNumber]
class Object
trait Matchable
class Any
Self type
object JsObjectReads extends Reads[JsObject]

Deserializer for JsObject.

Deserializer for JsObject.

Attributes

Supertypes
trait Reads[JsObject]
class Object
trait Matchable
class Any
Self type
object JsStringReads extends Reads[JsString]

Deserializer for JsString.

Deserializer for JsString.

Attributes

Supertypes
trait Reads[JsString]
class Object
trait Matchable
class Any
Self type
object JsValueReads extends Reads[JsValue]

Deserializer for JsValue.

Deserializer for JsValue.

Attributes

Supertypes
trait Reads[JsValue]
class Object
trait Matchable
class Any
Self type
object LongReads extends Reads[Long]

Deserializer for Long types.

Deserializer for Long types.

Attributes

Supertypes
trait Reads[Long]
class Object
trait Matchable
class Any
Self type
LongReads.type
object ShortReads extends Reads[Short]

Deserializer for Short types.

Deserializer for Short types.

Attributes

Supertypes
trait Reads[Short]
class Object
trait Matchable
class Any
Self type
ShortReads.type
object StringReads extends Reads[String]

Deserializer for String types.

Deserializer for String types.

Attributes

Supertypes
trait Reads[String]
class Object
trait Matchable
class Any
Self type
class UUIDReader(checkValidity: Boolean) extends Reads[UUID]

Deserializer for java.util.UUID

Deserializer for java.util.UUID

Attributes

Supertypes
trait Reads[UUID]
class Object
trait Matchable
class Any

Value members

Concrete methods

def JsErrorObj(knownValue: JsValue, key: String, args: JsValue*): JsObject

builds a JsErrorObj JsObject { VAL : "current known erroneous jsvalue", ERR : "the i18n key of the error msg", ARGS : "the args for the error msg" (JsArray) }

builds a JsErrorObj JsObject { VAL : "current known erroneous jsvalue", ERR : "the i18n key of the error msg", ARGS : "the args for the error msg" (JsArray) }

Attributes

def charMapReads[V](implicit vr: Reads[V]): Reads[Map[Char, V]]

Deserializer for a Map[Char, V]

Deserializer for a Map[Char, V]

Attributes

def enumNameReads[E <: Enumeration](enum: E): Reads[Value]

Reads for scala.Enumeration types using the name.

Reads for scala.Enumeration types using the name.

Value parameters

enum

a scala.Enumeration.

Attributes

def tuple2[A : Reads, B : Reads](name1: String, name2: String): Reads[(A, B)]

Reads a JSON object and constructs a tuple of two values, with custom names for the element fields.

Reads a JSON object and constructs a tuple of two values, with custom names for the element fields.

Type parameters

A

the type for the first element

B

the type for the second element

val tuple2Reads: Reads[(String, Int)] = Reads.tuple2[String, Int]("name", "age")
val tuple2ExampleJson = Json.obj("name" -> "Alice", "age" -> 25)
val tuple2Result: JsResult[(String, Int)] = tuple2Reads.reads(tuple2ExampleJson)
// JsSuccess(("Alice", 25))

Value parameters

name1

the name of the first element _1

name2

the name of the second element _2

Attributes

def tuple3[A : Reads, B : Reads, C : Reads](name1: String, name2: String, name3: String): Reads[(A, B, C)]

Reads a JSON object and constructs a tuple of three values, with custom names for the element fields.

Reads a JSON object and constructs a tuple of three values, with custom names for the element fields.

Type parameters

A

the type for the first element

B

the type for the second element

C

the type for the third element

val tuple3Reads: Reads[(String, Int, Boolean)] =
 Reads.tuple3[String, Int, Boolean]("name", "age", "isStudent")
val tuple3ExampleJson: JsValue =
 Json.obj("name" -> "Alice", "age" -> 25, "isStudent" -> true)
val tuple3Result: JsResult[(String, Int, Boolean)] =
 tuple3Reads.reads(tuple3ExampleJson)
// JsSuccess(("Alice", 25, true))

Value parameters

name1

the name of the first element _1

name2

the name of the second element _2

name3

the name of the third element _3

Attributes

def tuple4[A : Reads, B : Reads, C : Reads, D : Reads](name1: String, name2: String, name3: String, name4: String): Reads[(A, B, C, D)]

Reads a JSON object and constructs a tuple of four values, with custom names for the element fields.

Reads a JSON object and constructs a tuple of four values, with custom names for the element fields.

Type parameters

A

the type for the first element

B

the type for the second element

C

the type for the third element

D

the type for the fourth element

val tuple4Reads: Reads[(String, Int, Boolean, Double)] =
 Reads.tuple4[String, Int, Boolean, Double](
   "name", "age", "isStudent", "score")
val tuple4ExampleJson: JsValue = Json.obj(
 "name" -> "Alice", "age" -> 25, "isStudent" -> true, "score" -> 78.9)
val tuple4Result: JsResult[(String, Int, Boolean, Double)] =
 tuple4Reads.reads(tuple4ExampleJson)
 // JsSuccess(("Alice", 25, true, 78.9))

Value parameters

name1

the name of the first element _1

name2

the name of the second element _2

name3

the name of the third element _3

name4

the name of the fourth element _4

Attributes

Inherited methods

protected def parseBigDecimal(input: String): JsResult[BigDecimal]

Attributes

Inherited from:
EnvReads
protected def parseBigInteger(input: String): JsResult[BigInteger]

Attributes

Inherited from:
EnvReads

Implicits

Implicits

implicit def ArrayReads[T : ClassTag]: Reads[Array[T]]

Deserializer for Array[T] types.

Deserializer for Array[T] types.

Attributes

implicit val bigDecReads: Reads[BigDecimal]

Deserializer for BigDecimal

Deserializer for BigDecimal

Attributes

implicit val javaBigDecReads: Reads[BigDecimal]

Deserializer for BigDecimal

Deserializer for BigDecimal

Attributes

implicit def mapReads[K, V](k: String => JsResult[K])(implicit fmtv: Reads[V]): Reads[Map[K, V]]

Deserializer for a Map[K,V]

Deserializer for a Map[K,V]

Attributes

implicit def mapReads[V](implicit fmtv: Reads[V]): Reads[Map[String, V]]

Deserializer for a Map[String,V]

Deserializer for a Map[String,V]

Attributes

implicit val uriReads: Reads[URI]

Deserializer for java.net.URI

Deserializer for java.net.URI

Attributes

implicit val uuidReads: Reads[UUID]

Inherited implicits

implicit def keyMapReads[K : KeyReads, V](implicit evidence$12: KeyReads[K], fmtv: Reads[V]): Reads[Map[K, V]]

Attributes

Inherited from:
LowPriorityDefaultReads
implicit def traversableReads[F[_], A](implicit bf: Factory[A, F[A]], ra: Reads[A]): Reads[F[A]]

Generic deserializer for collections types.

Generic deserializer for collections types.

Attributes

Inherited from:
LowPriorityDefaultReads
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