Example usage for org.springframework.messaging.support MessageBuilder setHeader

Introduction

In this page you can find the example usage for org.springframework.messaging.support MessageBuilder setHeader.

Prototype

public MessageBuilder<T> setHeader(String headerName, @Nullable Object headerValue) 

Source Link

Document

Set the value for the given header name.

Usage

From source file:io.pivotal.poc.dispatcher.MessageDispatcher.java

private String sendMessage(String topic, Object body, HttpHeaders requestHeaders) {
    MessageChannel channel = resolver.resolveDestination(topic + ".input");
    MessageBuilder<?> builder = MessageBuilder.withPayload(body);
    builder.setHeader(MessageHeaders.CONTENT_TYPE, requestHeaders.getContentType());
    for (Map.Entry<String, List<String>> entry : requestHeaders.entrySet()) {
        String headerName = entry.getKey();
        if (requestHeadersToMap.contains(headerName)) {
            builder.setHeaderIfAbsent(headerName,
                    StringUtils.collectionToCommaDelimitedString(entry.getValue()));
        }//from w  w w.jav a 2 s .com
    }
    Message<?> message = builder.build();
    channel.send(message);
    return message.getHeaders().getId().toString();
}

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From source file:org.springframework.cloud.stream.app.tasklaunchrequest.DataFlowTaskLaunchRequestAutoConfiguration.java

private MessageBuilder<?> adjustHeaders(MessageBuilder<?> builder, MessageHeaders messageHeaders) {
    builder.setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON);
    if (messageHeaders.containsKey(TaskLaunchRequestContext.HEADER_NAME)) {
        builder.removeHeader(TaskLaunchRequestContext.HEADER_NAME);
    }/*from  w w w.  j  a v a 2 s .co m*/
    return builder;
}

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