@Override
public void write(JSONEntity entity, MediaType contentType, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
// First write the entity to a JSON string
try {
HttpHeaders headers = outputMessage.getHeaders();
if (headers.getContentType() == null) {
if (contentType == null
|| contentType.isWildcardType()
|| contentType.isWildcardSubtype()) {
contentType = MediaType.APPLICATION_JSON;
}
if (contentType != null) {
headers.setContentType(contentType);
}
}
String jsonString = EntityFactory.createJSONStringForEntity(entity);
long length =
JSONEntityHttpMessageConverter.writeToStream(
jsonString, outputMessage.getBody(), contentType.getCharSet());
if (headers.getContentLength() == -1) {
headers.setContentLength(length);
}
} catch (JSONObjectAdapterException e) {
throw new HttpMessageNotWritableException(e.getMessage());
}
}
