Example usage for org.springframework.http.codec HttpMessageEncoder getEncodeHints

Introduction

In this page you can find the example usage for org.springframework.http.codec HttpMessageEncoder getEncodeHints.

Prototype

default Map<String, Object> getEncodeHints(ResolvableType actualType, ResolvableType elementType,
        @Nullable MediaType mediaType, ServerHttpRequest request, ServerHttpResponse response) 

Source Link

Document

Get decoding hints based on the server request or annotations on the target controller method parameter.

Usage

From source file:org.springframework.http.codec.EncoderHttpMessageWriter.java

/**
 * Get additional hints for encoding for example based on the server request
 * or annotations from controller method parameters. By default, delegate to
 * the encoder if it is an instance of {@link HttpMessageEncoder}.
 */// w  w  w.  j  av a 2 s . co m
protected Map<String, Object> getWriteHints(ResolvableType streamType, ResolvableType elementType,
        @Nullable MediaType mediaType, ServerHttpRequest request, ServerHttpResponse response) {

    if (this.encoder instanceof HttpMessageEncoder) {
        HttpMessageEncoder<?> encoder = (HttpMessageEncoder<?>) this.encoder;
        return encoder.getEncodeHints(streamType, elementType, mediaType, request, response);
    }
    return Hints.none();
}

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