Package org.springframework.cloud.function.cloudevent

Class CloudEventMessageUtils

java.lang.Object
org.springframework.cloud.function.cloudevent.CloudEventMessageUtils
public final class CloudEventMessageUtils extends Object
Miscellaneous utility methods to assist with representing Cloud Event as Spring Message.
Primarily intended for the internal use within Spring-based frameworks and integrations.
Since:
3.1
Author:
Oleg Zhurakousky, Dave Syer

  • Field Details

    • CLOUDEVENT_VALUE

      public static String CLOUDEVENT_VALUE
      String value of 'cloudevent'. Typically used as MessageUtils.MESSAGE_TYPE

    • APPLICATION_CLOUDEVENTS_VALUE

      public static String APPLICATION_CLOUDEVENTS_VALUE
      String value of 'application/cloudevents' mime type.

    • APPLICATION_CLOUDEVENTS

      public static org.springframework.util.MimeType APPLICATION_CLOUDEVENTS
      MimeType instance representing 'application/cloudevents' mime type.

    • DEFAULT_ATTR_PREFIX

      public static String DEFAULT_ATTR_PREFIX
      Prefix for attributes.

    • AMQP_ATTR_PREFIX

      public static String AMQP_ATTR_PREFIX
      AMQP attributes prefix.

    • KAFKA_ATTR_PREFIX

      public static String KAFKA_ATTR_PREFIX
      Prefix for attributes.

    • DATA

      public static String DATA
      Value for 'data' attribute.

    • ID

      public static String ID
      Value for 'id' attribute.

    • SOURCE

      public static String SOURCE
      Value for 'source' attribute.

    • SPECVERSION

      public static String SPECVERSION
      Value for 'specversion' attribute.

    • TYPE

      public static String TYPE
      Value for 'type' attribute.

    • DATACONTENTTYPE

      public static String DATACONTENTTYPE
      Value for 'datacontenttype' attribute.

    • DATASCHEMA

      public static String DATASCHEMA
      Value for 'dataschema' attribute.

    • SCHEMAURL

      public static final String SCHEMAURL
      V03 name for 'dataschema' attribute.

    • SUBJECT

      public static String SUBJECT
      Value for 'subject' attribute.

    • TIME

      public static String TIME
      Value for 'time' attribute.

  • Method Details

    • getId

      public static String getId(org.springframework.messaging.Message<?> message)

    • getSource

      public static URI getSource(org.springframework.messaging.Message<?> message)

    • getSpecVersion

      public static String getSpecVersion(org.springframework.messaging.Message<?> message)

    • getType

      public static String getType(org.springframework.messaging.Message<?> message)

    • getDataContentType

      public static String getDataContentType(org.springframework.messaging.Message<?> message)

    • getDataSchema

      public static URI getDataSchema(org.springframework.messaging.Message<?> message)

    • getSubject

      public static String getSubject(org.springframework.messaging.Message<?> message)

    • getTime

      public static OffsetDateTime getTime(org.springframework.messaging.Message<?> message)

    • getData

      public static <T> T getData(org.springframework.messaging.Message<?> message)

    • getAttributes

      public static Map<String,Object> getAttributes(org.springframework.messaging.Message<?> message)

    • isCloudEvent

      public static boolean isCloudEvent(org.springframework.messaging.Message<?> message)
      Will check for the existence of required attributes. Assumes attributes (headers) are in canonical form.
      Parameters:
      message - input Message
      Returns:
      true if this Message represents Cloud Event in binary-mode