Example usage for org.springframework.messaging.support MessageHeaderAccessor copyHeaders

Introduction

In this page you can find the example usage for org.springframework.messaging.support MessageHeaderAccessor copyHeaders.

Prototype

public void copyHeaders(@Nullable Map<String, ?> headersToCopy) 

Source Link

Document

Copy the name-value pairs from the provided Map.

Usage

From source file:org.openwms.common.comm.transformer.tcp.HeaderAppendingTransformer.java

@Transformer
public Message<Payload> transform(Message<Payload> msg) {
    MessageHeaderAccessor mha = new MessageHeaderAccessor();
    mha.copyHeaders(msg.getHeaders());
    mha.setHeader(CommHeader.SYNC_FIELD_NAME, msg.getHeaders().get(CommHeader.SYNC_FIELD_NAME));
    mha.setHeader(CommHeader.MSG_LENGTH_FIELD_NAME,
            headerLength(msg.getHeaders()) + msg.getPayload().asString().length());
    mha.setHeader(CommHeader.SENDER_FIELD_NAME, msg.getHeaders().get(CommHeader.RECEIVER_FIELD_NAME));
    mha.setHeader(CommHeader.RECEIVER_FIELD_NAME, msg.getHeaders().get(CommHeader.SENDER_FIELD_NAME));
    mha.setHeader(CommHeader.SEQUENCE_FIELD_NAME,
            Integer.parseInt(String.valueOf(msg.getHeaders().get(CommHeader.SEQUENCE_FIELD_NAME))) + 1);
    return org.springframework.messaging.support.MessageBuilder.withPayload(msg.getPayload()).setHeaders(mha)
            .build();//from www .j  a v  a 2s .c o  m
}

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

private Message<?> outputMessage(Message<?> originalMessage, Message<?> retrievedMessage,
        MessageHeaderAccessor additionalHeaders) {
    MessageHeaderAccessor headers = MessageHeaderAccessor.getMutableAccessor(originalMessage);
    if (originalMessage.getPayload() instanceof MessagingException) {
        headers.copyHeaders(MessageHeaderPropagation.propagationHeaders(additionalHeaders.getMessageHeaders(),
                this.tracing.propagation().keys()));
        return new ErrorMessage((MessagingException) originalMessage.getPayload(),
                isWebSockets(headers) ? headers.getMessageHeaders()
                        : new MessageHeaders(headers.getMessageHeaders()));
    }/*w  ww. j  a  v a2  s .c  o m*/
    headers.copyHeaders(additionalHeaders.getMessageHeaders());
    return new GenericMessage<>(retrievedMessage.getPayload(),
            isWebSockets(headers) ? headers.getMessageHeaders()
                    : new MessageHeaders(headers.getMessageHeaders()));
}

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