Object/Trait

play.api.libs.json

Reads

Related Docs: trait Reads | package json

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object Reads extends ConstraintReads with PathReads with DefaultReads

Default deserializer type classes.

Source
Reads.scala
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Inherited
  1. Reads
  2. DefaultReads
  3. LowPriorityDefaultReads
  4. PathReads
  5. ConstraintReads
  6. AnyRef
  7. Any
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Type Members

  1. trait TemporalParser[T <: Temporal] extends AnyRef

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    Typeclass to implement way of parsing string as Java8 temporal types.

    Typeclass to implement way of parsing string as Java8 temporal types.

    Definition Classes
    DefaultReads
  2. class UUIDReader extends Reads[UUID]

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    Deserializer for java.util.UUID

    Deserializer for java.util.UUID

    Definition Classes
    DefaultReads

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. implicit object ArrayNodeReads extends Reads[ArrayNode]

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    Deserializer for Jackson ArrayNode

    Deserializer for Jackson ArrayNode

    Definition Classes
    DefaultReads
  5. implicit def ArrayReads[T](implicit arg0: Reads[T], arg1: ClassTag[T]): Reads[Array[T]]

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    Deserializer for Array[T] types.

    Deserializer for Array[T] types.

    Definition Classes
    DefaultReads
  6. implicit object BooleanReads extends Reads[Boolean]

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    Deserializer for Boolean types.

    Deserializer for Boolean types.

    Definition Classes
    DefaultReads
  7. implicit object ByteReads extends Reads[Byte]

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    Deserializer for Byte types.

    Deserializer for Byte types.

    Definition Classes
    DefaultReads
  8. implicit val DefaultDateReads: Reads[Date]

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    the default implicit java.util.Date reads

    the default implicit java.util.Date reads

    Definition Classes
    DefaultReads
  9. implicit val DefaultInstantReads: Reads[Instant]

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    The default typeclass to reads java.time.Instant from JSON.

    The default typeclass to reads java.time.Instant from JSON. Accepts instant formats as '2011-12-03T10:15:30', '2011-12-03T10:15:30+01:00' or '2011-12-03T10:15:30+01:00[Europe/Paris]'.

    Definition Classes
    DefaultReads
  10. implicit val DefaultJodaDateReads: Reads[DateTime]

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    the default implicit JodaDate reads

    the default implicit JodaDate reads

    Definition Classes
    DefaultReads
  11. implicit val DefaultJodaLocalDateReads: Reads[LocalDate]

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    the default implicit joda.time.LocalDate reads

    the default implicit joda.time.LocalDate reads

    Definition Classes
    DefaultReads
  12. implicit val DefaultJodaLocalTimeReads: Reads[LocalTime]

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    the default implicit joda.time.LocalTime reads

    the default implicit joda.time.LocalTime reads

    Definition Classes
    DefaultReads
  13. implicit val DefaultLocalDateReads: Reads[LocalDate]

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    The default typeclass to reads java.time.LocalDate from JSON.

    The default typeclass to reads java.time.LocalDate from JSON. Accepts date formats as '2011-12-03'.

    Definition Classes
    DefaultReads
  14. implicit val DefaultLocalDateTimeReads: Reads[LocalDateTime]

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    The default typeclass to reads java.time.LocalDateTime from JSON.

    The default typeclass to reads java.time.LocalDateTime from JSON. Accepts date/time formats as '2011-12-03T10:15:30', '2011-12-03T10:15:30+01:00' or '2011-12-03T10:15:30+01:00[Europe/Paris]'.

    Definition Classes
    DefaultReads
  15. implicit val DefaultOffsetDateTimeReads: Reads[OffsetDateTime]

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    The default typeclass to reads java.time.OffsetDateTime from JSON.

    The default typeclass to reads java.time.OffsetDateTime from JSON. Accepts date/time formats as '2011-12-03T10:15:30+01:00' or '2011-12-03T10:15:30+01:00[Europe/Paris]'.

    Definition Classes
    DefaultReads
  16. implicit val DefaultSqlDateReads: Reads[Date]

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    the default implicit JodaDate reads

    the default implicit JodaDate reads

    Definition Classes
    DefaultReads
  17. implicit val DefaultZonedDateTimeReads: Reads[ZonedDateTime]

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    The default typeclass to reads java.time.ZonedDateTime from JSON.

    The default typeclass to reads java.time.ZonedDateTime from JSON. Accepts date/time formats as '2011-12-03T10:15:30', '2011-12-03T10:15:30+01:00' or '2011-12-03T10:15:30+01:00[Europe/Paris]'.

    Definition Classes
    DefaultReads
  18. implicit object DoubleReads extends Reads[Double]

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    Deserializer for Double types.

    Deserializer for Double types.

    Definition Classes
    DefaultReads
  19. implicit object FloatReads extends Reads[Float]

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    Deserializer for Float types.

    Deserializer for Float types.

    Definition Classes
    DefaultReads
  20. implicit object IntReads extends Reads[Int]

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    Deserializer for Int types.

    Deserializer for Int types.

    Definition Classes
    DefaultReads
  21. object IsoDateReads extends Reads[Date]

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    ISO 8601 Reads

    ISO 8601 Reads

    Definition Classes
    DefaultReads
  22. implicit object JsArrayMonoid extends Monoid[JsArray]

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  23. implicit object JsArrayReads extends Reads[JsArray]

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    Deserializer for JsArray.

    Deserializer for JsArray.

    Definition Classes
    DefaultReads
  24. implicit val JsArrayReducer: Reducer[JsValue, JsArray]

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  25. implicit object JsBooleanReads extends Reads[JsBoolean]

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    Deserializer for JsBoolean.

    Deserializer for JsBoolean.

    Definition Classes
    DefaultReads
  26. def JsErrorObj(knownValue: JsValue, key: String, args: JsValue*): JsObject

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    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) }

    Definition Classes
    DefaultReads
  27. implicit object JsNumberReads extends Reads[JsNumber]

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    Deserializer for JsNumber.

    Deserializer for JsNumber.

    Definition Classes
    DefaultReads
  28. implicit object JsObjectMonoid extends Monoid[JsObject]

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  29. implicit object JsObjectReads extends Reads[JsObject]

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    Deserializer for JsObject.

    Deserializer for JsObject.

    Definition Classes
    DefaultReads
  30. implicit val JsObjectReducer: Reducer[JsObject, JsObject]

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  31. implicit object JsStringReads extends Reads[JsString]

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    Deserializer for JsString.

    Deserializer for JsString.

    Definition Classes
    DefaultReads
  32. implicit object JsValueReads extends Reads[JsValue]

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    Deserializer for JsValue.

    Deserializer for JsValue.

    Definition Classes
    DefaultReads
  33. implicit object JsonNodeReads extends Reads[JsonNode]

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    Deserializer for Jackson JsonNode

    Deserializer for Jackson JsonNode

    Definition Classes
    DefaultReads
  34. implicit object LongReads extends Reads[Long]

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    Deserializer for Long types.

    Deserializer for Long types.

    Definition Classes
    DefaultReads
  35. implicit object ObjectNodeReads extends Reads[ObjectNode]

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    Deserializer for Jackson ObjectNode

    Deserializer for Jackson ObjectNode

    Definition Classes
    DefaultReads
  36. implicit object ShortReads extends Reads[Short]

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    Deserializer for Short types.

    Deserializer for Short types.

    Definition Classes
    DefaultReads
  37. implicit object StringReads extends Reads[String]

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    Deserializer for String types.

    Deserializer for String types.

    Definition Classes
    DefaultReads
  38. object TemporalParser

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    Parsing companion

    Parsing companion

    Definition Classes
    DefaultReads
  39. implicit def alternative(implicit a: Applicative[Reads]): Alternative[Reads]

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  40. implicit def applicative(implicit applicativeJsResult: Applicative[JsResult]): Applicative[Reads]

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  41. def apply[A](f: (JsValue) ⇒ JsResult[A]): Reads[A]

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  42. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  43. def at[A](path: JsPath)(implicit reads: Reads[A]): Reads[A]

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    Definition Classes
    PathReads
  44. implicit val bigDecReads: Reads[BigDecimal]

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    Deserializer for BigDecimal

    Deserializer for BigDecimal

    Definition Classes
    DefaultReads
  45. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  46. val constraints: ConstraintReads

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  47. def dateReads(pattern: String, corrector: (String) ⇒ String = identity): Reads[Date]

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    Reads for the java.util.Date type.

    Reads for the java.util.Date type.

    pattern

    a date pattern, as specified in java.text.SimpleDateFormat.

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks

    Definition Classes
    DefaultReads
  48. def email(implicit reads: Reads[String]): Reads[String]

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    Definition Classes
    ConstraintReads
  49. def enumNameReads[E <: Enumeration](enum: E): Reads[DefaultReads.enumNameReads.E.Value]

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    Reads for scala.Enumeration types using the name.

    Reads for scala.Enumeration types using the name.

    enum

    a scala.Enumeration.

    Definition Classes
    DefaultReads
  50. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  51. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  52. def filter[A](otherwise: ValidationError)(p: (A) ⇒ Boolean)(implicit reads: Reads[A]): Reads[A]

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    Definition Classes
    ConstraintReads
  53. def filterNot[A](error: ValidationError)(p: (A) ⇒ Boolean)(implicit reads: Reads[A]): Reads[A]

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    Definition Classes
    ConstraintReads
  54. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  55. implicit def functorReads(implicit a: Applicative[Reads]): Functor[Reads]

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  56. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  57. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  58. def instantReads[T](parsing: T, corrector: (String) ⇒ String = identity)(implicit p: (T) ⇒ TemporalParser[Instant]): Reads[Instant]

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    Reads for the java.time.Instant type.

    Reads for the java.time.Instant type.

    T

    Type of argument to instantiate date parser

    parsing

    Argument to instantiate date parser. Actually either a pattern (string) or a formatter (java.time.format.DateTimeFormatter)

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks. Function identity can be passed if no correction is needed.

    p

    Typeclass instance based on parsing

    Definition Classes
    DefaultReads
    See also

    DefaultWrites.TemporalFormatter

    import play.api.libs.json.Java8Reads.instantReads
    val customReads1 = instantReads("dd/MM/yyyy, HH:mm:ss")
    val customReads2 = instantReads(DateTimeFormatter.ISO_INSTANT)
    val customReads3 = instantReads(DateTimeFormatter.ISO_INSTANT, _.drop(1))
  59. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  60. implicit val javaBigDecReads: Reads[BigDecimal]

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    Deserializer for BigDecimal

    Deserializer for BigDecimal

    Definition Classes
    DefaultReads
  61. def jodaDateReads(pattern: String, corrector: (String) ⇒ String = identity): Reads[DateTime]

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    Reads for the org.joda.time.DateTime type.

    Reads for the org.joda.time.DateTime type.

    pattern

    a date pattern, as specified in java.text.SimpleDateFormat.

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks

    Definition Classes
    DefaultReads
  62. def jodaLocalDateReads(pattern: String, corrector: (String) ⇒ String = identity): Reads[LocalDate]

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    Reads for the org.joda.time.LocalDate type.

    Reads for the org.joda.time.LocalDate type.

    pattern

    a date pattern, as specified in org.joda.time.format.DateTimeFormat.

    corrector

    string transformation function (See jodaDateReads)

    Definition Classes
    DefaultReads
  63. def jodaLocalTimeReads(pattern: String, corrector: (String) ⇒ String = identity): Reads[LocalTime]

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    Reads for the org.joda.time.LocalTime type.

    Reads for the org.joda.time.LocalTime type.

    pattern

    a date pattern, as specified in org.joda.time.format.DateTimeFormat.

    corrector

    string transformation function (See jodaTimeReads)

    Definition Classes
    DefaultReads
  64. def jsCopyTo[A <: JsValue](path: JsPath)(reads: Reads[A]): Reads[JsObject]

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    Definition Classes
    PathReads
  65. def jsPick[A <: JsValue](path: JsPath)(implicit reads: Reads[A]): Reads[A]

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    Definition Classes
    PathReads
  66. def jsPickBranch[A <: JsValue](path: JsPath)(implicit reads: Reads[A]): Reads[JsObject]

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    Definition Classes
    PathReads
  67. def jsPrune(path: JsPath): Reads[JsObject]

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    Definition Classes
    PathReads
  68. def jsPut(path: JsPath, a: ⇒ JsValue): Reads[JsObject]

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    Definition Classes
    PathReads
  69. def jsUpdate[A <: JsValue](path: JsPath)(reads: Reads[A]): Reads[JsObject]

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    Definition Classes
    PathReads
  70. def list[A](implicit reads: Reads[A]): Reads[List[A]]

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    Definition Classes
    ConstraintReads
  71. def localDateReads[T](parsing: T, corrector: (String) ⇒ String = identity)(implicit p: (T) ⇒ TemporalParser[LocalDate]): Reads[LocalDate]

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    Reads for the java.time.LocalDate type.

    Reads for the java.time.LocalDate type.

    T

    Type of argument to instantiate date parser

    parsing

    Argument to instantiate date parser. Actually either a pattern (string) or a formatter (java.time.format.DateTimeFormatter)

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks. Function identity can be passed if no correction is needed.

    p

    Typeclass instance based on parsing

    Definition Classes
    DefaultReads
    See also

    DefaultWrites.TemporalFormatter

    import play.api.libs.json.Java8Reads.localDateReads
    val customReads1 = localDateReads("dd/MM/yyyy, HH:mm:ss")
    val customReads2 = localDateReads(DateTimeFormatter.ISO_DATE)
    val customReads3 = localDateReads(DateTimeFormatter.ISO_DATE, _.drop(1))
  72. def localDateTimeReads[T](parsing: T, corrector: (String) ⇒ String = identity)(implicit p: (T) ⇒ TemporalParser[LocalDateTime]): Reads[LocalDateTime]

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    Reads for the java.time.LocalDateTime type.

    Reads for the java.time.LocalDateTime type.

    T

    Type of argument to instantiate date/time parser

    parsing

    Argument to instantiate date/time parser. Actually either a pattern (string) or a formatter (java.time.format.DateTimeFormatter)

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks. Function identity can be passed if no correction is needed.

    p

    Typeclass instance based on parsing

    Definition Classes
    DefaultReads
    See also

    DefaultWrites.TemporalFormatter

    import play.api.libs.json.Java8Reads.localDateTimeReads
    val customReads1 = localDateTimeReads("dd/MM/yyyy, HH:mm:ss")
    val customReads2 = localDateTimeReads(DateTimeFormatter.ISO_DATE_TIME)
    val customReads3 = localDateTimeReads(
      DateTimeFormatter.ISO_DATE_TIME, _.drop(1))
  73. def map[A](implicit reads: Reads[A]): Reads[Map[String, A]]

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    Definition Classes
    ConstraintReads
  74. implicit def mapReads[V](implicit fmtv: Reads[V]): Reads[Map[String, V]]

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    Deserializer for Map[String,V] types.

    Deserializer for Map[String,V] types.

    Definition Classes
    DefaultReads
  75. def max[N](m: N)(implicit reads: Reads[N], num: Numeric[N]): Reads[N]

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    Defines a maximum value for a numeric Reads.

    Defines a maximum value for a numeric Reads. Combine with min using or, e.g. .read(Reads.min(0.1) or Reads.max(1.0)).

    Definition Classes
    ConstraintReads
  76. def maxLength[M](m: Int)(implicit reads: Reads[M], p: (M) ⇒ TraversableLike[_, M]): Reads[M]

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    Definition Classes
    ConstraintReads
  77. def min[N](m: N)(implicit reads: Reads[N], num: Numeric[N]): Reads[N]

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    Defines a minimum value for a numeric Reads.

    Defines a minimum value for a numeric Reads. Combine with max using or, e.g. .read(Reads.min(0) or Reads.max(100)).

    Definition Classes
    ConstraintReads
  78. def minLength[M](m: Int)(implicit reads: Reads[M], p: (M) ⇒ TraversableLike[_, M]): Reads[M]

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    Definition Classes
    ConstraintReads
  79. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  80. final def notify(): Unit

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    Definition Classes
    AnyRef
  81. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  82. def nullable[A](path: JsPath)(implicit reads: Reads[A]): Reads[Option[A]]

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    Reads a Option[T] search optional or nullable field at JsPath (field not found or null is None and other cases are Error).

    Reads a Option[T] search optional or nullable field at JsPath (field not found or null is None and other cases are Error).

    It runs through JsValue following all JsPath nodes on JsValue except last node: - If one node in JsPath is not found before last node => returns JsError( "missing-path" ) - If all nodes are found till last node, it runs through JsValue with last node =>

    • If last node if not found => returns None
    • If last node is found with value "null" => returns None
    • If last node is found => applies implicit Reads[T]
    Definition Classes
    PathReads
  83. def of[A](implicit r: Reads[A]): Reads[A]

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    The simpler of all Reads that just finds an implicit Reads[A] of the expected type

    The simpler of all Reads that just finds an implicit Reads[A] of the expected type

    Definition Classes
    ConstraintReads
  84. def offsetDateTimeReads[T](parsing: T, corrector: (String) ⇒ String = identity)(implicit p: (T) ⇒ TemporalParser[OffsetDateTime]): Reads[OffsetDateTime]

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    Reads for the java.time.OffsetDateTime type.

    Reads for the java.time.OffsetDateTime type.

    Note: it is intentionally not supported to read an OffsetDateTime from a number.

    T

    Type of argument to instantiate date/time parser

    parsing

    Argument to instantiate date/time parser. Actually either a pattern (string) or a formatter (java.time.format.DateTimeFormatter)

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks. Function identity can be passed if no correction is needed.

    p

    Typeclass instance based on parsing

    Definition Classes
    DefaultReads
    See also

    TemporalFormatter

    import play.api.libs.json.Reads.offsetDateTimeReads
    val customReads1 = offsetDateTimeReads("dd/MM/yyyy, HH:mm:ss (Z)")
    val customReads2 = offsetDateTimeReads(DateTimeFormatter.ISO_OFFSET_DATE_TIME)
    val customReads3 = offsetDateTimeReads(
      DateTimeFormatter.ISO_OFFSET_DATE_TIME, _.drop(1))
  85. def optionNoError[A](implicit reads: Reads[A]): Reads[Option[A]]

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    Stupidly reads a field as an Option mapping any error (format or missing field) to None

    Stupidly reads a field as an Option mapping any error (format or missing field) to None

    Definition Classes
    ConstraintReads
  86. def optionWithNull[T](implicit rds: Reads[T]): Reads[Option[T]]

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    very simple optional field Reads that maps "null" to None

    very simple optional field Reads that maps "null" to None

    Definition Classes
    ConstraintReads
  87. val path: PathReads

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  88. def pattern(regex: ⇒ Regex, error: String = "error.pattern")(implicit reads: Reads[String]): Reads[String]

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    Defines a regular expression constraint for String values, i.e.

    Defines a regular expression constraint for String values, i.e. the string must match the regular expression pattern

    Definition Classes
    ConstraintReads
  89. def pure[A](a: ⇒ A): Reads[A]

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    Definition Classes
    ConstraintReads
  90. def required(path: JsPath)(implicit reads: Reads[JsValue]): Reads[JsValue]

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    Definition Classes
    PathReads
  91. def seq[A](implicit reads: Reads[A]): Reads[Seq[A]]

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    Definition Classes
    ConstraintReads
  92. def set[A](implicit reads: Reads[A]): Reads[Set[A]]

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    Definition Classes
    ConstraintReads
  93. def sqlDateReads(pattern: String, corrector: (String) ⇒ String = identity): Reads[Date]

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    Reads for the java.sql.Date type.

    Reads for the java.sql.Date type.

    pattern

    a date pattern, as specified in java.text.SimpleDateFormat.

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks

    Definition Classes
    DefaultReads
  94. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  95. def toString(): String

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    Definition Classes
    AnyRef → Any
  96. implicit def traversableReads[F[_], A](implicit bf: CanBuildFrom[F[_], A, F[A]], ra: Reads[A]): Reads[F[A]]

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    Generic deserializer for collections types.

    Generic deserializer for collections types.

    Definition Classes
    LowPriorityDefaultReads
  97. implicit val uuidReads: Reads[UUID]

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    Definition Classes
    DefaultReads
  98. def verifying[A](cond: (A) ⇒ Boolean)(implicit rds: Reads[A]): Reads[A]

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    Definition Classes
    ConstraintReads
  99. def verifyingIf[A](cond: (A) ⇒ Boolean)(subreads: Reads[_])(implicit rds: Reads[A]): Reads[A]

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    Definition Classes
    ConstraintReads
  100. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  101. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  102. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  103. def zonedDateTimeReads[T](parsing: T, corrector: (String) ⇒ String = identity)(implicit p: (T) ⇒ TemporalParser[ZonedDateTime]): Reads[ZonedDateTime]

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    Reads for the java.time.ZonedDateTime type.

    Reads for the java.time.ZonedDateTime type.

    T

    Type of argument to instantiate date/time parser

    parsing

    Argument to instantiate date/time parser. Actually either a pattern (string) or a formatter (java.time.format.DateTimeFormatter)

    corrector

    a simple string transformation function that can be used to transform input String before parsing. Useful when standards are not exactly respected and require a few tweaks. Function identity can be passed if no correction is needed.

    p

    Typeclass instance based on parsing

    Definition Classes
    DefaultReads
    See also

    DefaultWrites.TemporalFormatter

    import play.api.libs.json.Java8Reads.zonedDateTimeReads
    val customReads1 = zonedDateTimeReads("dd/MM/yyyy, HH:mm:ss")
    val customReads2 = zonedDateTimeReads(DateTimeFormatter.ISO_DATE_TIME)
    val customReads3 = zonedDateTimeReads(
      DateTimeFormatter.ISO_DATE_TIME, _.drop(1))

Inherited from DefaultReads

Inherited from LowPriorityDefaultReads

Inherited from PathReads

Inherited from ConstraintReads

Inherited from AnyRef

Inherited from Any

Ungrouped