Package org.apache.druid.jackson

Class CommaListJoinSerializer

java.lang.Object

com.fasterxml.jackson.databind.JsonSerializer<T>

com.fasterxml.jackson.databind.ser.std.StdSerializer<T>

com.fasterxml.jackson.databind.ser.std.StdScalarSerializer<List<String>>

org.apache.druid.jackson.CommaListJoinSerializer

All Implemented Interfaces:

com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitable, com.fasterxml.jackson.databind.jsonschema.SchemaAware, Serializable

public class CommaListJoinSerializer
extends com.fasterxml.jackson.databind.ser.std.StdScalarSerializer<List<String>>

A custom Jackson serializer that converts a list of objects into a comma-separated string.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.fasterxml.jackson.databind.JsonSerializer

com.fasterxml.jackson.databind.JsonSerializer.None

Field Summary

Fields inherited from class com.fasterxml.jackson.databind.ser.std.StdSerializer

_handledType

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CommaListJoinSerializer()

Method Summary

Modifier and Type	Method	Description
boolean	isEmpty(com.fasterxml.jackson.databind.SerializerProvider prov, List<String> value)
void	serialize(List<String> value, com.fasterxml.jackson.core.JsonGenerator jgen, com.fasterxml.jackson.databind.SerializerProvider provider)

Methods inherited from class com.fasterxml.jackson.databind.ser.std.StdScalarSerializer

acceptJsonFormatVisitor, getSchema, serializeWithType

Methods inherited from class com.fasterxml.jackson.databind.ser.std.StdSerializer

_neitherNull, _nonEmpty, createSchemaNode, createSchemaNode, findAnnotatedContentSerializer, findContextualConvertingSerializer, findConvertingContentSerializer, findFormatFeature, findFormatOverrides, findIncludeOverrides, findPropertyFilter, getSchema, handledType, isDefaultSerializer, visitArrayFormat, visitArrayFormat, visitFloatFormat, visitIntFormat, visitIntFormat, visitStringFormat, visitStringFormat, wrapAndThrow, wrapAndThrow

Methods inherited from class com.fasterxml.jackson.databind.JsonSerializer

getDelegatee, isEmpty, isUnwrappingSerializer, properties, replaceDelegatee, unwrappingSerializer, usesObjectId, withFilterId, withIgnoredProperties

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CommaListJoinSerializer

protected CommaListJoinSerializer()

Method Details

serialize

public void serialize(List<String> value,
 com.fasterxml.jackson.core.JsonGenerator jgen,
 com.fasterxml.jackson.databind.SerializerProvider provider)
               throws IOException

Specified by:

serialize in class com.fasterxml.jackson.databind.ser.std.StdSerializer<List<String>>

Throws:

IOException

isEmpty

public boolean isEmpty(com.fasterxml.jackson.databind.SerializerProvider prov,
 List<String> value)

Overrides:

isEmpty in class com.fasterxml.jackson.databind.JsonSerializer<List<String>>