play.api.libs.json

JsPath

object JsPath extends JsPath

Companion object and root path.

For an object { "name": "foo" }, the path to the name property is:

JsPath \ "name"

For an object { "id": 1, "nested": { "score": 0.12 } }, the path to the nested score is:

JsPath \ "nested" \ "score"
Linear Supertypes
JsPath, Serializable, Serializable, Product, Equals, AnyRef, Any
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  1. JsPath
  2. JsPath
  3. Serializable
  4. Serializable
  5. Product
  6. Equals
  7. AnyRef
  8. Any
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Value Members

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

    Definition Classes
    AnyRef
  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. def ++(other: JsPath): JsPath

    Definition Classes
    JsPath
  5. final def ==(arg0: AnyRef): Boolean

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

    Definition Classes
    Any
  7. def \(idx: Int): JsPath

    Definition Classes
    JsPath
  8. def \(child: Symbol): JsPath

    Definition Classes
    JsPath
  9. def \(child: String): JsPath

    Definition Classes
    JsPath
  10. def \\(child: Symbol): JsPath

    Definition Classes
    JsPath
  11. def \\(child: String): JsPath

    Definition Classes
    JsPath
  12. def apply(json: JsValue): List[JsValue]

    Definition Classes
    JsPath
  13. def apply(idx: Int): JsPath

    Definition Classes
    JsPath
  14. def applyTillLast(json: JsValue): Either[JsError, JsResult[JsValue]]

    Definition Classes
    JsPath
  15. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  16. def asSingleJsResult(json: JsValue): JsResult[JsValue]

    Definition Classes
    JsPath
  17. def asSingleJson(json: JsValue): JsLookupResult

    Definition Classes
    JsPath
  18. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate() @throws( ... )
  19. def compose(other: JsPath): JsPath

    Definition Classes
    JsPath
  20. def createObj(pathValues: (JsPath, JsValue)*): JsObject

  21. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  22. def format[T](w: Writes[T])(implicit r: Reads[T]): OFormat[T]

    Reads/Writes a T at JsPath using provided explicit Writes[T] and implicit Reads[T]

    Reads/Writes a T at JsPath using provided explicit Writes[T] and implicit Reads[T]

    Definition Classes
    JsPath
  23. def format[T](r: Reads[T])(implicit w: Writes[T]): OFormat[T]

    Reads/Writes a T at JsPath using provided explicit Reads[T] and implicit Writes[T]

    Reads/Writes a T at JsPath using provided explicit Reads[T] and implicit Writes[T]

    Definition Classes
    JsPath
  24. def format[T](implicit f: Format[T]): OFormat[T]

    Reads/Writes a T at JsPath using provided implicit Format[T]

    Reads/Writes a T at JsPath using provided implicit Format[T]

    Definition Classes
    JsPath
  25. def formatNullable[T](implicit f: Format[T]): OFormat[Option[T]]

    Reads/Writes a Option[T] (optional or nullable field) at given JsPath

    Reads/Writes a Option[T] (optional or nullable field) at given JsPath

    Definition Classes
    JsPath
    See also

    JsPath.writeNullable to see behavior in writes

    JsPath.readNullable to see behavior in reads

  26. def formatNullableWithDefault[T](defaultValue: ⇒ Option[T])(implicit f: Format[T]): OFormat[Option[T]]

    Reads/Writes a Option[T] (nullable field) at given JsPath

    Reads/Writes a Option[T] (nullable field) at given JsPath

    Definition Classes
    JsPath
    See also

    JsPath.writeNullable to see behavior in writes

    JsPath.readNullableWithDefault to see behavior in reads

  27. def formatWithDefault[T](defaultValue: ⇒ T)(implicit f: Format[T]): OFormat[T]

    Reads/Writes a T at JsPath using provided implicit Format[T] with fallback to default value

    Reads/Writes a T at JsPath using provided implicit Format[T] with fallback to default value

    Definition Classes
    JsPath
  28. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
    Annotations
    @HotSpotIntrinsicCandidate()
  29. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  30. object json

    Definition Classes
    JsPath
  31. def lazyFormat[T](r: ⇒ Reads[T], w: ⇒ Writes[T]): OFormat[T]

    Lazy Reads/Writes a T at given JsPath using explicit Reads[T] and Writes[T] (useful in case of recursive case classes).

    Lazy Reads/Writes a T at given JsPath using explicit Reads[T] and Writes[T] (useful in case of recursive case classes).

    Definition Classes
    JsPath
    See also

    JsPath.lazyWriteNullable to see behavior in writes

    JsPath.lazyReadNullable to see behavior in reads

  32. def lazyFormat[T](f: ⇒ Format[T]): OFormat[T]

    Lazy Reads/Writes a T at given JsPath using implicit Format[T] (useful in case of recursive case classes).

    Lazy Reads/Writes a T at given JsPath using implicit Format[T] (useful in case of recursive case classes).

    Definition Classes
    JsPath
    See also

    JsPath.lazyWriteNullable to see behavior in writes

    JsPath.lazyReadNullable to see behavior in reads

  33. def lazyFormatNullable[T](r: ⇒ Reads[T], w: ⇒ Writes[T]): OFormat[Option[T]]

    Lazy Reads/Writes a Option[T] (optional or nullable field) at given JsPath using explicit Reads[T] and Writes[T] (useful in case of recursive case classes).

    Lazy Reads/Writes a Option[T] (optional or nullable field) at given JsPath using explicit Reads[T] and Writes[T] (useful in case of recursive case classes).

    Definition Classes
    JsPath
    See also

    JsPath.lazyWriteNullable to see behavior in writes

    JsPath.lazyReadNullable to see behavior in reads

  34. def lazyFormatNullable[T](f: ⇒ Format[T]): OFormat[Option[T]]

    Lazy Reads/Writes a Option[T] (optional or nullable field) at given JsPath using implicit Format[T] (useful in case of recursive case classes).

    Lazy Reads/Writes a Option[T] (optional or nullable field) at given JsPath using implicit Format[T] (useful in case of recursive case classes).

    Definition Classes
    JsPath
    See also

    JsPath.lazyWriteNullable to see behavior in writes

    JsPath.lazyReadNullable to see behavior in reads

  35. def lazyRead[T](r: ⇒ Reads[T]): Reads[T]

    Reads a T at JsPath using the explicit Reads[T] passed by name which is useful in case of recursive case classes for ex.

    Reads a T at JsPath using the explicit Reads[T] passed by name which is useful in case of recursive case classes for ex.

    case class User(id: Long, name: String, friend: User)
    
    implicit lazy val UserReads: Reads[User] = (
      (__ \ 'id).read[Long] and
      (__ \ 'name).read[String] and
      (__ \ 'friend).lazyRead(UserReads)
    )(User.apply _)
    Definition Classes
    JsPath
  36. def lazyReadNullable[T](r: ⇒ Reads[T]): Reads[Option[T]]

    Reads lazily a Option[T] search optional or nullable field at JsPath using the explicit Reads[T] passed by name which is useful in case of recursive case classes for ex.

    Reads lazily a Option[T] search optional or nullable field at JsPath using the explicit Reads[T] passed by name which is useful in case of recursive case classes for ex.

    case class User(id: Long, name: String, friend: Option[User])
    
    implicit lazy val UserReads: Reads[User] = (
      (__ \ 'id).read[Long] and
      (__ \ 'name).read[String] and
      (__ \ 'friend).lazyReadNullable(UserReads)
    )(User.apply _)
    Definition Classes
    JsPath
  37. def lazyWrite[T](w: ⇒ Writes[T]): OWrites[T]

    Writes a T at JsPath using the explicit Writes[T] passed by name which is useful in case of recursive case classes for ex

    Writes a T at JsPath using the explicit Writes[T] passed by name which is useful in case of recursive case classes for ex

    case class User(id: Long, name: String, friend: User)
    
    implicit lazy val UserReads: Reads[User] = (
      (__ \ 'id).write[Long] and
      (__ \ 'name).write[String] and
      (__ \ 'friend).lazyWrite(UserReads)
    )(User.apply _)
    Definition Classes
    JsPath
  38. def lazyWriteNullable[T](w: ⇒ Writes[T]): OWrites[Option[T]]

    Writes a Option[T] at JsPath using the explicit Writes[T] passed by name which is useful in case of recursive case classes for ex

    Writes a Option[T] at JsPath using the explicit Writes[T] passed by name which is useful in case of recursive case classes for ex

    Please note that it's not writeOpt to be coherent with readNullable

    case class User(id: Long, name: String, friend: Option[User])
    
    implicit lazy val UserReads: Reads[User] = (
      (__ \ 'id).write[Long] and
      (__ \ 'name).write[String] and
      (__ \ 'friend).lazyWriteNullable(UserReads)
    )(User.apply _)
    Definition Classes
    JsPath
  39. final def ne(arg0: AnyRef): Boolean

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

    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate()
  41. final def notifyAll(): Unit

    Definition Classes
    AnyRef
    Annotations
    @HotSpotIntrinsicCandidate()
  42. val path: List[PathNode]

    Definition Classes
    JsPath
  43. def prune(js: JsValue): JsResult[JsObject]

    Simple Prune for simple path and only JsObject

    Simple Prune for simple path and only JsObject

    Definition Classes
    JsPath
  44. def read[T](t: T): Reads[T]

    Pure Reads doesn't read anything but creates a JsObject based on JsPath with the given T value

    Pure Reads doesn't read anything but creates a JsObject based on JsPath with the given T value

    Definition Classes
    JsPath
  45. def read[T](implicit r: Reads[T]): Reads[T]

    Reads a T at JsPath

    Reads a T at JsPath

    Definition Classes
    JsPath
  46. def readNullable[T](implicit r: Reads[T]): Reads[Option[T]]

    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 is 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
    JsPath
  47. def readNullableWithDefault[T](defaultValue: ⇒ Option[T])(implicit r: Reads[T]): Reads[Option[T]]

    Reads an Option[T] search optional or nullable field at JsPath (field not found replaced by default value, null is None and other cases are Error).

    Reads an Option[T] search optional or nullable field at JsPath (field not found replaced by default value, 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 is not found => returns default value
    • If last node is found with value "null" => returns None
    • If last node is found => applies implicit Reads[T]
    Definition Classes
    JsPath
  48. def readWithDefault[T](defaultValue: ⇒ T)(implicit r: Reads[T]): Reads[T]

    Reads a T at JsPath

    Reads a T at JsPath

    Definition Classes
    JsPath
  49. def rw[T](implicit r: Reads[T], w: Writes[T]): OFormat[T]

    Reads/Writes a T at JsPath using provided implicit Reads[T] and Writes[T]

    Reads/Writes a T at JsPath using provided implicit Reads[T] and Writes[T]

    Please note we couldn't call it "format" to prevent conflicts

    Definition Classes
    JsPath
  50. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  51. def toJsonString: String

    Definition Classes
    JsPath
  52. def toString(): String

    Definition Classes
    JsPath → AnyRef → Any
  53. final def wait(): Unit

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

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  56. def write[T](t: T)(implicit w: Writes[T]): OWrites[JsValue]

    Writes a pure value at given JsPath

    Writes a pure value at given JsPath

    Definition Classes
    JsPath
  57. def write[T](implicit w: Writes[T]): OWrites[T]

    Writes a T at given JsPath

    Writes a T at given JsPath

    Definition Classes
    JsPath
  58. def writeNullable[T](implicit w: Writes[T]): OWrites[Option[T]]

    Writes a Option[T] at given JsPath If None => doesn't write the field (never writes null actually) else => writes the field using implicit Writes[T]

    Writes a Option[T] at given JsPath If None => doesn't write the field (never writes null actually) else => writes the field using implicit Writes[T]

    Definition Classes
    JsPath
  59. def writeOptionWithNull[T](implicit w: Writes[T]): OWrites[Option[T]]

    Writes a Option[T] at given JsPath If None => writes 'null' else => writes the field using implicit Writes[T]

    Writes a Option[T] at given JsPath If None => writes 'null' else => writes the field using implicit Writes[T]

    Definition Classes
    JsPath

Deprecated Value Members

  1. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
    Deprecated

    (Since version ) see corresponding Javadoc for more information.

Inherited from JsPath

Inherited from Serializable

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from AnyRef

Inherited from Any

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