Package co.elastic.clients.json
Class JsonpUtils
java.lang.Object
co.elastic.clients.json.JsonpUtils
public class JsonpUtils
extends java.lang.Object
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Constructor Summary
Constructors Constructor Description JsonpUtils()
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Method Summary
Modifier and Type Method Description static void
ensureAccepts(JsonpDeserializer<?> deserializer, jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event)
static void
expectEvent(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event expected, jakarta.json.stream.JsonParser.Event event)
static java.lang.String
expectKeyName(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event)
static jakarta.json.stream.JsonParser.Event
expectNextEvent(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event expected)
Advances the parser to the next event and checks that this even is the expected one.static java.util.Map.Entry<java.lang.String,jakarta.json.stream.JsonParser>
lookAheadFieldValue(java.lang.String name, java.lang.String defaultValue, jakarta.json.stream.JsonParser parser, JsonpMapper mapper)
Looks ahead a field value in the Json object from the upcoming object in a parser, which should be on the START_OBJECT event.static jakarta.json.stream.JsonParser
objectParser(jakarta.json.JsonObject object, JsonpMapper mapper)
Create a parser that traverses a JSON objectstatic jakarta.json.spi.JsonProvider
provider()
Get aJsonProvider
instance.static <T> void
serialize(T value, jakarta.json.stream.JsonGenerator generator, JsonpSerializer<T> serializer, JsonpMapper mapper)
static void
serializeDoubleOrNull(jakarta.json.stream.JsonGenerator generator, double value, double defaultValue)
static void
serializeIntOrNull(jakarta.json.stream.JsonGenerator generator, int value, int defaultValue)
static void
skipValue(jakarta.json.stream.JsonParser parser)
Skip the value at the next position of the parser.static void
skipValue(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event)
Skip the value at the current position of the parser.static java.lang.String
toString(jakarta.json.JsonValue value)
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Details
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JsonpUtils
public JsonpUtils()
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Method Details
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provider
public static jakarta.json.spi.JsonProvider provider()Get aJsonProvider
instance. This method first calls the standard `JsonProvider.provider()` that is based on the current thread's context classloader, and in case of failure tries to find a provider in other classloaders. -
expectNextEvent
public static jakarta.json.stream.JsonParser.Event expectNextEvent(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event expected)Advances the parser to the next event and checks that this even is the expected one.- Returns:
- the expected event
- Throws:
jakarta.json.JsonException
- if an i/o error occurs (IOException would be cause of JsonException)jakarta.json.stream.JsonParsingException
- if the event is not the expected one, or if the parser encounters invalid JSON when advancing to next state.java.util.NoSuchElementException
- if there are no more parsing states.
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expectEvent
public static void expectEvent(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event expected, jakarta.json.stream.JsonParser.Event event) -
expectKeyName
public static java.lang.String expectKeyName(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event) -
ensureAccepts
public static void ensureAccepts(JsonpDeserializer<?> deserializer, jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event) -
skipValue
public static void skipValue(jakarta.json.stream.JsonParser parser)Skip the value at the next position of the parser. -
skipValue
public static void skipValue(jakarta.json.stream.JsonParser parser, jakarta.json.stream.JsonParser.Event event)Skip the value at the current position of the parser. -
serialize
public static <T> void serialize(T value, jakarta.json.stream.JsonGenerator generator, @Nullable JsonpSerializer<T> serializer, JsonpMapper mapper) -
lookAheadFieldValue
public static java.util.Map.Entry<java.lang.String,jakarta.json.stream.JsonParser> lookAheadFieldValue(java.lang.String name, java.lang.String defaultValue, jakarta.json.stream.JsonParser parser, JsonpMapper mapper)Looks ahead a field value in the Json object from the upcoming object in a parser, which should be on the START_OBJECT event. Returns a pair containing that value and a parser that should be used to actually parse the object (the object has been consumed from the original one). -
objectParser
public static jakarta.json.stream.JsonParser objectParser(jakarta.json.JsonObject object, JsonpMapper mapper)Create a parser that traverses a JSON object -
toString
public static java.lang.String toString(jakarta.json.JsonValue value) -
serializeDoubleOrNull
public static void serializeDoubleOrNull(jakarta.json.stream.JsonGenerator generator, double value, double defaultValue) -
serializeIntOrNull
public static void serializeIntOrNull(jakarta.json.stream.JsonGenerator generator, int value, int defaultValue)
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