Java Code Examples for org.springframework.messaging.MessageHeaders#getOrDefault()

The following examples show how to use org.springframework.messaging.MessageHeaders#getOrDefault() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@SuppressWarnings("unchecked")
private Map<String, String> getTemplateVariables(MessageHeaders headers) {
	String name = DestinationVariableMethodArgumentResolver.DESTINATION_TEMPLATE_VARIABLES_HEADER;
	return (Map<String, String>) headers.getOrDefault(name, Collections.emptyMap());
}
 
Example 2
@SuppressWarnings("unchecked")
private Map<String, String> getTemplateVariables(MessageHeaders headers) {
	String name = DestinationVariableMethodArgumentResolver.DESTINATION_TEMPLATE_VARIABLES_HEADER;
	return (Map<String, String>) headers.getOrDefault(name, Collections.emptyMap());
}
 
Example 3
Source Project: rocketmq-spring   File: RocketMQUtil.java    License: Apache License 2.0 4 votes vote down vote up
private static Message getAndWrapMessage(String destination, MessageHeaders headers, byte[] payloads) {
    if (destination == null || destination.length() < 1) {
        return null;
    }
    if (payloads == null || payloads.length < 1) {
        return null;
    }
    String[] tempArr = destination.split(":", 2);
    String topic = tempArr[0];
    String tags = "";
    if (tempArr.length > 1) {
        tags = tempArr[1];
    }
    Message rocketMsg = new Message(topic, tags, payloads);
    if (Objects.nonNull(headers) && !headers.isEmpty()) {
        Object keys = headers.get(RocketMQHeaders.KEYS);
        if (!StringUtils.isEmpty(keys)) { // if headers has 'KEYS', set rocketMQ message key
            rocketMsg.setKeys(keys.toString());
        }
        Object flagObj = headers.getOrDefault("FLAG", "0");
        int flag = 0;
        try {
            flag = Integer.parseInt(flagObj.toString());
        } catch (NumberFormatException e) {
            // Ignore it
            if (log.isInfoEnabled()) {
                log.info("flag must be integer, flagObj:{}", flagObj);
            }
        }
        rocketMsg.setFlag(flag);
        Object waitStoreMsgOkObj = headers.getOrDefault("WAIT_STORE_MSG_OK", "true");
        rocketMsg.setWaitStoreMsgOK(Boolean.TRUE.equals(waitStoreMsgOkObj));
        headers.entrySet().stream()
            .filter(entry -> !Objects.equals(entry.getKey(), "FLAG")
                && !Objects.equals(entry.getKey(), "WAIT_STORE_MSG_OK")) // exclude "FLAG", "WAIT_STORE_MSG_OK"
            .forEach(entry -> {
                if (!MessageConst.STRING_HASH_SET.contains(entry.getKey())) {
                    rocketMsg.putUserProperty(entry.getKey(), String.valueOf(entry.getValue()));
                }
            });

    }
    return rocketMsg;
}