Struct JsonCodec 

pub struct JsonCodec { /* private fields */ }

Implements Codec for the JSON format.

This codec handles the application/json content type.

Implementations

impl JsonCodec

pub fn new() -> Self

Creates a new JsonCodec with default options.

pub fn pretty() -> Self

Creates a new JsonCodec with pretty printing enabled (default indentation).

pub fn with_encoder_options(self, options: JsonEncoderOptions) -> Self

Configures the codec with the given encoder options.

pub fn with_decoder_options(self, options: JsonDecoderOptions) -> Self

Configures the codec with the given decoder options.

Trait Implementations

impl Clone for JsonCodec

fn clone(&self) -> JsonCodec

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Codec for JsonCodec

fn encode<T: Message + Serialize>( &self, val: &T, _mime: Option<&str>, ) -> Result<Bytes, GatewayError>

Encodes a message using serde_json.

Parameters

• val: The message to encode.
• _mime: Ignored.

Returns

The JSON string representation of the message as bytes.

Errors

Returns GatewayError::Encoding if serialization fails.

fn decode<T: Message + Default + DeserializeOwned>( &self, buf: &[u8], _mime: Option<&str>, ) -> Result<T, GatewayError>

Decodes a message using serde_json.

Parameters

• buf: The JSON data to decode.
• _mime: Ignored.

Returns

The decoded message object.

Errors

Returns GatewayError::Encoding if the JSON is invalid or cannot map to the target type.

fn encoder_content_type(&self, _accept: Option<&str>) -> String

Returns the content type that this codec will use for encoding.

impl Debug for JsonCodec

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for JsonCodec

fn default() -> JsonCodec

Returns the “default value” for a type.