T - the type of elements in the input streampublic interface Encoder<T>
<T> into an output
 stream of bytes.| Modifier and Type | Method and Description | 
|---|---|
| boolean | canEncode(ResolvableType elementType,
         MimeType mimeType)Whether the encoder supports the given source element type and the MIME
 type for the output stream. | 
| reactor.core.publisher.Flux<DataBuffer> | encode(org.reactivestreams.Publisher<? extends T> inputStream,
      DataBufferFactory bufferFactory,
      ResolvableType elementType,
      MimeType mimeType,
      Map<String,Object> hints)Encode a stream of Objects of type  Tinto aDataBufferoutput stream. | 
| default DataBuffer | encodeValue(T value,
           DataBufferFactory bufferFactory,
           ResolvableType valueType,
           MimeType mimeType,
           Map<String,Object> hints)Encode an Object of type T to a data buffer. | 
| List<MimeType> | getEncodableMimeTypes()Return the list of mime types this encoder supports. | 
boolean canEncode(ResolvableType elementType, @Nullable MimeType mimeType)
elementType - the type of elements in the source streammimeType - the MIME type for the output stream
 (can be null if not specified)true if supported, false otherwisereactor.core.publisher.Flux<DataBuffer> encode(org.reactivestreams.Publisher<? extends T> inputStream, DataBufferFactory bufferFactory, ResolvableType elementType, @Nullable MimeType mimeType, @Nullable Map<String,Object> hints)
T into a DataBuffer
 output stream.inputStream - the input stream of Objects to encode. If the input should be
 encoded as a single value rather than as a stream of elements, an instance of
 Mono should be used.bufferFactory - for creating output stream DataBuffer'selementType - the expected type of elements in the input stream;
 this type must have been previously passed to the canEncode(org.springframework.core.ResolvableType, org.springframework.util.MimeType)
 method and it must have returned true.mimeType - the MIME type for the output content (optional)hints - additional information about how to encodedefault DataBuffer encodeValue(T value, DataBufferFactory bufferFactory, ResolvableType valueType, @Nullable MimeType mimeType, @Nullable Map<String,Object> hints)
By default this method raises UnsupportedOperationException
 and it is expected that some encoders cannot produce a single buffer or
 cannot do so synchronously (e.g. encoding a Resource).
value - the value to be encodedbufferFactory - for creating the output DataBuffervalueType - the type for the value being encodedmimeType - the MIME type for the output content (optional)hints - additional information about how to encode