Example usage for org.springframework.messaging.support NativeMessageHeaderAccessor setNativeHeader

Introduction

In this page you can find the example usage for org.springframework.messaging.support NativeMessageHeaderAccessor setNativeHeader.

Prototype

public void setNativeHeader(String name, @Nullable String value) 

Source Link

Document

Set the specified native header value replacing existing values.

Usage

From source file:org.springframework.cloud.sleuth.instrument.messaging.MessageHeaderPropagation.java

private void doPut(MessageHeaderAccessor accessor, String key, String value) {
    accessor.setHeader(key, value);//from  w w  w . j a va  2 s . c  o m
    if (accessor instanceof NativeMessageHeaderAccessor) {
        NativeMessageHeaderAccessor nativeAccessor = (NativeMessageHeaderAccessor) accessor;
        nativeAccessor.setNativeHeader(key, value);
    } else {
        Object nativeHeaders = accessor.getHeader(NativeMessageHeaderAccessor.NATIVE_HEADERS);
        if (nativeHeaders == null) {
            accessor.setHeader(NativeMessageHeaderAccessor.NATIVE_HEADERS,
                    nativeHeaders = new LinkedMultiValueMap<>());
        }
        if (nativeHeaders instanceof Map<?, ?>) {
            ((Map) nativeHeaders).put(key, Collections.singletonList(value));
        }
    }
}

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