class JsonParser extends ReadStream[JsonEvent] with Handler[Buffer]
A parser class which allows to incrementally parse json elements and emit json parse events instead of parsing a json element fully. This parser is convenient for parsing large json structures.
The parser also parses concatenated json streams or line delimited json streams.
The parser can also parse entire object or array when it is convenient, for instance a very large array of small objects can be parsed efficiently by handling array start/end and object events.
Whenever the parser fails to parse or process the stream, the io.vertx.scala.core.parsetools.JsonParser#exceptionHandler is called with the cause of the failure and the current handling stops. After such event, the parser should not handle data anymore.
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Instance Constructors
- new JsonParser(_asJava: AnyRef)
Value Members
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final
def
!=(arg0: Any): Boolean
- Definition Classes
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final
def
##(): Int
- Definition Classes
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final
def
==(arg0: Any): Boolean
- Definition Classes
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def
arrayEventMode(): JsonParser
Flip the parser to emit a stream of events for each new json array.
Flip the parser to emit a stream of events for each new json array. * @return a reference to this, so the API can be used fluently
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def
arrayValueMode(): JsonParser
Flip the parser to emit a single value event for each new json array.
Flip the parser to emit a single value event for each new json array.
Json array currently streamed won't be affected. * @return a reference to this, so the API can be used fluently
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final
def
asInstanceOf[T0]: T0
- Definition Classes
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-
def
asJava: AnyRef
- Definition Classes
- JsonParser → ReadStream → StreamBase
-
def
clone(): AnyRef
- Attributes
- protected[java.lang]
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- Annotations
- @native() @throws( ... )
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def
end(): Unit
End the stream, this must be called after all the json stream has been processed.
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def
endHandler(endHandler: Handler[Unit]): JsonParser
Set an end handler.
Set an end handler. Once the stream has ended, and there is no more data to be read, this handler will be called. * @return a reference to this, so the API can be used fluently
- Definition Classes
- JsonParser → ReadStream
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final
def
eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
-
def
equals(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
-
def
exceptionHandler(handler: Handler[Throwable]): JsonParser
Set an exception handler on the read stream.
Set an exception handler on the read stream. * @param handler the exception handler
- returns
a reference to this, so the API can be used fluently
- Definition Classes
- JsonParser → ReadStream → StreamBase
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def
fetch(amount: Long): JsonParser
Fetch the specified
amount
of elements.Fetch the specified
amount
of elements. If theReadStream
has been paused, reading will recommence with the specifiedamount
of items, otherwise the specifiedamount
will be added to the current stream demand. * @return a reference to this, so the API can be used fluently- Definition Classes
- JsonParser → ReadStream
-
def
finalize(): Unit
- Attributes
- protected[java.lang]
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- Annotations
- @throws( classOf[java.lang.Throwable] )
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final
def
getClass(): Class[_]
- Definition Classes
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- Annotations
- @native()
-
def
handle(event: Buffer): Unit
Something has happened, so handle it.
Something has happened, so handle it. * @param event the event to handle
- Definition Classes
- JsonParser → Handler
-
def
handler(handler: Handler[JsonEvent]): JsonParser
Set a data handler.
Set a data handler. As data is read, the handler will be called with the data. * @return a reference to this, so the API can be used fluently
- Definition Classes
- JsonParser → ReadStream
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def
hashCode(): Int
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- Annotations
- @native()
-
final
def
isInstanceOf[T0]: Boolean
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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- Annotations
- @native()
-
final
def
notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native()
-
def
objectEventMode(): JsonParser
Flip the parser to emit a stream of events for each new json object.
Flip the parser to emit a stream of events for each new json object. * @return a reference to this, so the API can be used fluently
-
def
objectValueMode(): JsonParser
Flip the parser to emit a single value event for each new json object.
Flip the parser to emit a single value event for each new json object.
Json object currently streamed won't be affected. * @return a reference to this, so the API can be used fluently
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def
pause(): JsonParser
Pause the
ReadStream
, it sets the buffer infetch
mode and clears the actual demand.Pause the
ReadStream
, it sets the buffer infetch
mode and clears the actual demand.While it's paused, no data will be sent to the data
handler
. * @return a reference to this, so the API can be used fluently- Definition Classes
- JsonParser → ReadStream
-
def
resume(): JsonParser
Resume reading, and sets the buffer in
flowing
mode.Resume reading, and sets the buffer in
flowing
mode.If the
ReadStream
has been paused, reading will recommence on it. * @return a reference to this, so the API can be used fluently- Definition Classes
- JsonParser → ReadStream
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final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
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def
toString(): String
- Definition Classes
- AnyRef → Any
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final
def
wait(): Unit
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- Annotations
- @throws( ... )
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final
def
wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws( ... )
-
final
def
wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @throws( ... )
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def
write(buffer: Buffer): JsonParser
Handle a
Buffer
, pretty much like calling io.vertx.scala.core.Handler#handle.Handle a
Buffer
, pretty much like calling io.vertx.scala.core.Handler#handle. * @return a reference to this, so the API can be used fluently