/** Initializes the output. Sets the expected encoding and content type. */
public void initResponse() {
// set content type and encoding
final SerializerOptions opts = sopts();
final String enc = opts.get(SerializerOptions.ENCODING);
res.setCharacterEncoding(enc);
final String ct = mediaType(opts);
res.setContentType(new TokenBuilder(ct).add(CHARSET).add(enc).toString());
}
/**
* Returns the media type defined in the specified serialization parameters.
*
* @param sopts serialization parameters
* @return media type
*/
public static String mediaType(final SerializerOptions sopts) {
// set content type
final String type = sopts.get(SerializerOptions.MEDIA_TYPE);
if (!type.isEmpty()) return type;
// determine content type dependent on output method
final SerialMethod sm = sopts.get(SerializerOptions.METHOD);
if (sm == SerialMethod.RAW) return APP_OCTET;
if (sm == SerialMethod.XML) return APP_XML;
if (sm == SerialMethod.XHTML || sm == SerialMethod.HTML) return TEXT_HTML;
if (sm == SerialMethod.JSON) {
final JsonSerialOptions jprop = sopts.get(SerializerOptions.JSON);
return jprop.get(JsonOptions.FORMAT) == JsonFormat.JSONML ? APP_JSONML : APP_JSON;
}
return TEXT_PLAIN;
}