public interface HttpMessageConverter<T>
Modifier and Type | Method and Description |
---|---|
boolean |
canRead(java.lang.Class<?> clazz,
MediaType mediaType)
Indicates whether the given class can be read by this converter.
|
boolean |
canWrite(java.lang.Class<?> clazz,
MediaType mediaType)
Indicates whether the given class can be written by this converter.
|
java.util.List<MediaType> |
getSupportedMediaTypes()
Return the list of
MediaType objects supported by this converter. |
T |
read(java.lang.Class<? extends T> clazz,
HttpInputMessage inputMessage)
Read an object of the given type form the given input message, and returns it.
|
void |
write(T t,
MediaType contentType,
HttpOutputMessage outputMessage)
Write an given object to the given output message.
|
boolean canRead(java.lang.Class<?> clazz, MediaType mediaType)
clazz
- the class to test for readabilitymediaType
- the media type to read (can be null
if not specified);
typically the value of a Content-Type
header.true
if readable; false
otherwiseboolean canWrite(java.lang.Class<?> clazz, MediaType mediaType)
clazz
- the class to test for writabilitymediaType
- the media type to write (can be null
if not specified);
typically the value of an Accept
header.true
if writable; false
otherwisejava.util.List<MediaType> getSupportedMediaTypes()
MediaType
objects supported by this converter.T read(java.lang.Class<? extends T> clazz, HttpInputMessage inputMessage) throws java.io.IOException, HttpMessageNotReadableException
clazz
- the type of object to return. This type must have previously been passed to the
canRead
method of this interface, which must have returned true
.inputMessage
- the HTTP input message to read fromjava.io.IOException
- in case of I/O errorsHttpMessageNotReadableException
- in case of conversion errorsvoid write(T t, MediaType contentType, HttpOutputMessage outputMessage) throws java.io.IOException, HttpMessageNotWritableException
t
- the object to write to the output message. The type of this object must have previously been
passed to the canWrite
method of this interface, which must have returned true
.contentType
- the content type to use when writing. May be null
to indicate that the
default content type of the converter must be used. If not null
, this media type must have
previously been passed to the canWrite
method of this interface, which must have
returned true
.outputMessage
- the message to write tojava.io.IOException
- in case of I/O errorsHttpMessageNotWritableException
- in case of conversion errors