public class DataBufferEncoder extends AbstractEncoder<DataBuffer>
DataBuffers
.logger
Constructor and Description |
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DataBufferEncoder() |
Modifier and Type | Method and Description |
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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(Publisher<? extends DataBuffer> inputStream,
DataBufferFactory bufferFactory,
ResolvableType elementType,
MimeType mimeType,
Map<String,Object> hints)
Encode a stream of Objects of type
T into a DataBuffer
output stream. |
DataBuffer |
encodeValue(DataBuffer buffer,
DataBufferFactory bufferFactory,
ResolvableType valueType,
MimeType mimeType,
Map<String,Object> hints)
Encode an Object of type T to a data buffer.
|
getEncodableMimeTypes, getLogger, setLogger
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getEncodableMimeTypes
public boolean canEncode(ResolvableType elementType, @Nullable MimeType mimeType)
Encoder
canEncode
in interface Encoder<DataBuffer>
canEncode
in class AbstractEncoder<DataBuffer>
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
otherwisepublic reactor.core.publisher.Flux<DataBuffer> encode(Publisher<? extends DataBuffer> inputStream, DataBufferFactory bufferFactory, ResolvableType elementType, @Nullable MimeType mimeType, @Nullable Map<String,Object> hints)
Encoder
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 Encoder.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 encodepublic DataBuffer encodeValue(DataBuffer buffer, DataBufferFactory bufferFactory, ResolvableType valueType, @Nullable MimeType mimeType, @Nullable Map<String,Object> hints)
Encoder
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
).
buffer
- the value to be encodedbufferFactory
- for creating the output DataBuffer
valueType
- the type for the value being encodedmimeType
- the MIME type for the output content (optional)hints
- additional information about how to encode