Example usage for org.springframework.messaging MessageHeaders keySet

Introduction

In this page you can find the example usage for org.springframework.messaging MessageHeaders keySet.

Prototype

public Set<String> keySet() 

Source Link

Usage

From source file:org.springframework.cloud.stream.binder.pubsub.PubSubMessageHandler.java

protected String encodeHeaders(MessageHeaders headers) throws Exception {
    Map<String, Object> rawHeaders = new HashMap<>();
    for (String key : headers.keySet()) {
        rawHeaders.put(key, headers.get(key));
    }/*from  w  w w . j a  v a 2s.  c o m*/
    return mapper.writeValueAsString(rawHeaders);
}

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From source file:org.springframework.jms.support.converter.SimpleJmsHeaderMapper.java

@Override
public void fromHeaders(MessageHeaders headers, javax.jms.Message jmsMessage) {
    try {/*from  ww  w  .  j  a va  2  s . c o m*/
        Object jmsCorrelationId = headers.get(JmsHeaders.CORRELATION_ID);
        if (jmsCorrelationId instanceof Number) {
            jmsCorrelationId = jmsCorrelationId.toString();
        }
        if (jmsCorrelationId instanceof String) {
            try {
                jmsMessage.setJMSCorrelationID((String) jmsCorrelationId);
            } catch (Exception e) {
                logger.info("failed to set JMSCorrelationID, skipping", e);
            }
        }
        Object jmsReplyTo = headers.get(JmsHeaders.REPLY_TO);
        if (jmsReplyTo instanceof Destination) {
            try {
                jmsMessage.setJMSReplyTo((Destination) jmsReplyTo);
            } catch (Exception e) {
                logger.info("failed to set JMSReplyTo, skipping", e);
            }
        }
        Object jmsType = headers.get(JmsHeaders.TYPE);
        if (jmsType instanceof String) {
            try {
                jmsMessage.setJMSType((String) jmsType);
            } catch (Exception e) {
                logger.info("failed to set JMSType, skipping", e);
            }
        }
        Set<String> headerNames = headers.keySet();
        for (String headerName : headerNames) {
            if (StringUtils.hasText(headerName) && !headerName.startsWith(JmsHeaders.PREFIX)) {
                Object value = headers.get(headerName);
                if (value != null && SUPPORTED_PROPERTY_TYPES.contains(value.getClass())) {
                    try {
                        String propertyName = this.fromHeaderName(headerName);
                        jmsMessage.setObjectProperty(propertyName, value);
                    } catch (Exception e) {
                        if (headerName.startsWith("JMSX")) {
                            if (logger.isTraceEnabled()) {
                                logger.trace(
                                        "skipping reserved header, it cannot be set by client: " + headerName);
                            }
                        } else if (logger.isWarnEnabled()) {
                            logger.warn("failed to map Message header '" + headerName + "' to JMS property", e);
                        }
                    }
                }
            }
        }
    } catch (Exception e) {
        if (logger.isWarnEnabled()) {
            logger.warn("error occurred while mapping from MessageHeaders to JMS properties", e);
        }
    }
}

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From source file:org.springframework.jms.support.SimpleJmsHeaderMapper.java

@Override
public void fromHeaders(MessageHeaders headers, javax.jms.Message jmsMessage) {
    try {/*from   ww w.  java2  s.  c o m*/
        Object jmsCorrelationId = headers.get(JmsHeaders.CORRELATION_ID);
        if (jmsCorrelationId instanceof Number) {
            jmsCorrelationId = jmsCorrelationId.toString();
        }
        if (jmsCorrelationId instanceof String) {
            try {
                jmsMessage.setJMSCorrelationID((String) jmsCorrelationId);
            } catch (Exception e) {
                logger.info("failed to set JMSCorrelationID, skipping", e);
            }
        }
        Object jmsReplyTo = headers.get(JmsHeaders.REPLY_TO);
        if (jmsReplyTo instanceof Destination) {
            try {
                jmsMessage.setJMSReplyTo((Destination) jmsReplyTo);
            } catch (Exception e) {
                logger.info("failed to set JMSReplyTo, skipping", e);
            }
        }
        Object jmsType = headers.get(JmsHeaders.TYPE);
        if (jmsType instanceof String) {
            try {
                jmsMessage.setJMSType((String) jmsType);
            } catch (Exception e) {
                logger.info("failed to set JMSType, skipping", e);
            }
        }
        Set<String> headerNames = headers.keySet();
        for (String headerName : headerNames) {
            if (StringUtils.hasText(headerName) && !headerName.startsWith(JmsHeaders.PREFIX)) {
                Object value = headers.get(headerName);
                if (value != null && SUPPORTED_PROPERTY_TYPES.contains(value.getClass())) {
                    try {
                        String propertyName = this.fromHeaderName(headerName);
                        jmsMessage.setObjectProperty(propertyName, value);
                    } catch (Exception e) {
                        if (headerName.startsWith("JMSX")) {
                            if (logger.isTraceEnabled()) {
                                logger.trace(
                                        "skipping reserved header, it cannot be set by client: " + headerName);
                            }
                        } else if (logger.isWarnEnabled()) {
                            logger.warn("failed to map Message header '" + headerName + "' to JMS property", e);
                        }
                    }
                }
            }
        }
    } catch (Exception ex) {
        if (logger.isWarnEnabled()) {
            logger.warn("error occurred while mapping from MessageHeaders to JMS properties", ex);
        }
    }
}

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