Java Code Examples for org.springframework.messaging.MessageHeaders#getOrDefault()
The following examples show how to use
org.springframework.messaging.MessageHeaders#getOrDefault() .
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Example 1
Source File: SendToMethodReturnValueHandler.java From spring-analysis-note with MIT License | 4 votes |
@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
Source File: SendToMethodReturnValueHandler.java From java-technology-stack with MIT License | 4 votes |
@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 File: RocketMQUtil.java From rocketmq-spring with Apache License 2.0 | 4 votes |
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; }