public static EventFormatterConfiguration getEventFormatterConfiguration(
OMElement eventFormatterConfigOMElement, int tenantId, String mappingType)
throws EventFormatterConfigurationException, EventFormatterValidationException {
EventFormatterConfiguration eventFormatterConfiguration = new EventFormatterConfiguration();
OMElement fromElement =
eventFormatterConfigOMElement.getFirstChildWithName(
new QName(
EventFormatterConstants.EF_CONF_NS, EventFormatterConstants.EF_ELE_FROM_PROPERTY));
OMElement mappingElement =
eventFormatterConfigOMElement.getFirstChildWithName(
new QName(
EventFormatterConstants.EF_CONF_NS,
EventFormatterConstants.EF_ELE_MAPPING_PROPERTY));
OMElement toElement =
eventFormatterConfigOMElement.getFirstChildWithName(
new QName(
EventFormatterConstants.EF_CONF_NS, EventFormatterConstants.EF_ELE_TO_PROPERTY));
String fromStreamName =
fromElement.getAttributeValue(new QName(EventFormatterConstants.EF_ATTR_STREAM_NAME));
String fromStreamVersion =
fromElement.getAttributeValue(new QName(EventFormatterConstants.EF_ATTR_VERSION));
String toTransportAdaptorName =
toElement.getAttributeValue(new QName(EventFormatterConstants.EF_ATTR_TA_NAME));
String toTransportAdaptorType =
toElement.getAttributeValue(new QName(EventFormatterConstants.EF_ATTR_TA_TYPE));
if (!validateTransportAdaptor(toTransportAdaptorName, toTransportAdaptorType, tenantId)) {
throw new EventFormatterValidationException(
"There is no any Transport Adaptor with this name "
+ toTransportAdaptorName
+ " which is a "
+ toTransportAdaptorType,
toTransportAdaptorName);
}
if (!validateStreamDetails(fromStreamName, fromStreamVersion, tenantId)) {
throw new EventFormatterValidationException(
"There is no any stream called "
+ fromStreamName
+ " with the version "
+ fromStreamVersion,
fromStreamName + ":" + fromStreamVersion);
}
OutputTransportAdaptorMessageConfiguration outputTransportMessageConfiguration =
EventFormatterConfigurationHelper.getOutputTransportMessageConfiguration(
toTransportAdaptorType);
ToPropertyConfiguration toPropertyConfiguration = new ToPropertyConfiguration();
toPropertyConfiguration.setTransportAdaptorName(toTransportAdaptorName);
toPropertyConfiguration.setTransportAdaptorType(toTransportAdaptorType);
Iterator toElementPropertyIterator =
toElement.getChildrenWithName(
new QName(EventFormatterConstants.EF_CONF_NS, EventFormatterConstants.EF_ELE_PROPERTY));
while (toElementPropertyIterator.hasNext()) {
OMElement toElementProperty = (OMElement) toElementPropertyIterator.next();
String propertyName =
toElementProperty.getAttributeValue(new QName(EventFormatterConstants.EF_ATTR_NAME));
String propertyValue = toElementProperty.getText();
outputTransportMessageConfiguration.addOutputMessageProperty(propertyName, propertyValue);
}
toPropertyConfiguration.setOutputTransportAdaptorMessageConfiguration(
outputTransportMessageConfiguration);
if (mappingType.equalsIgnoreCase(EventFormatterConstants.EF_WSO2EVENT_MAPPING_TYPE)) {
if (!validateSupportedMapping(
toTransportAdaptorName, toTransportAdaptorType, MessageType.WSO2EVENT)) {
throw new EventFormatterConfigurationException(
"WSO2Event Mapping is not supported by transport adaptor type "
+ toTransportAdaptorType);
}
} else if (mappingType.equalsIgnoreCase(EventFormatterConstants.EF_TEXT_MAPPING_TYPE)) {
if (!validateSupportedMapping(
toTransportAdaptorName, toTransportAdaptorType, MessageType.TEXT)) {
throw new EventFormatterConfigurationException(
"Text Mapping is not supported by transport adaptor type " + toTransportAdaptorType);
}
} else if (mappingType.equalsIgnoreCase(EventFormatterConstants.EF_MAP_MAPPING_TYPE)) {
if (!validateSupportedMapping(
toTransportAdaptorName, toTransportAdaptorType, MessageType.MAP)) {
throw new EventFormatterConfigurationException(
"Map Mapping is not supported by transport adaptor type " + toTransportAdaptorType);
}
} else if (mappingType.equalsIgnoreCase(EventFormatterConstants.EF_XML_MAPPING_TYPE)) {
if (!validateSupportedMapping(
toTransportAdaptorName, toTransportAdaptorType, MessageType.XML)) {
throw new EventFormatterConfigurationException(
"XML Mapping is not supported by transport adaptor type " + toTransportAdaptorType);
}
} else if (mappingType.equalsIgnoreCase(EventFormatterConstants.EF_JSON_MAPPING_TYPE)) {
if (!validateSupportedMapping(
toTransportAdaptorName, toTransportAdaptorType, MessageType.JSON)) {
throw new EventFormatterConfigurationException(
"JSON Mapping is not supported by transport adaptor type " + toTransportAdaptorType);
}
} else {
String factoryClassName = getMappingTypeFactoryClass(mappingElement);
if (factoryClassName == null) {
throw new EventFormatterConfigurationException(
"Corresponding mappingType " + mappingType + " is not valid");
}
Class factoryClass;
try {
factoryClass = Class.forName(factoryClassName);
OutputMapperFactory outputMapperFactory = (OutputMapperFactory) factoryClass.newInstance();
EventFormatterServiceValueHolder.getMappingFactoryMap()
.putIfAbsent(mappingType, outputMapperFactory);
} catch (ClassNotFoundException e) {
throw new EventFormatterConfigurationException("Class not found exception occurred ", e);
} catch (InstantiationException e) {
throw new EventFormatterConfigurationException("Instantiation exception occurred ", e);
} catch (IllegalAccessException e) {
throw new EventFormatterConfigurationException("Illegal exception occurred ", e);
}
}
eventFormatterConfiguration.setEventFormatterName(
eventFormatterConfigOMElement.getAttributeValue(
new QName(EventFormatterConstants.EF_ATTR_NAME)));
if (eventFormatterConfigOMElement.getAttributeValue(
new QName(EventFormatterConstants.TM_ATTR_STATISTICS))
!= null
&& eventFormatterConfigOMElement
.getAttributeValue(new QName(EventFormatterConstants.TM_ATTR_STATISTICS))
.equals(EventFormatterConstants.TM_VALUE_ENABLE)) {
eventFormatterConfiguration.setEnableStatistics(true);
} else if (eventFormatterConfigOMElement.getAttributeValue(
new QName(EventFormatterConstants.TM_ATTR_STATISTICS))
!= null
&& eventFormatterConfigOMElement
.getAttributeValue(new QName(EventFormatterConstants.TM_ATTR_STATISTICS))
.equals(EventFormatterConstants.TM_VALUE_DISABLE)) {
eventFormatterConfiguration.setEnableStatistics(false);
}
if (eventFormatterConfigOMElement.getAttributeValue(
new QName(EventFormatterConstants.TM_ATTR_TRACING))
!= null
&& eventFormatterConfigOMElement
.getAttributeValue(new QName(EventFormatterConstants.TM_ATTR_TRACING))
.equals(EventFormatterConstants.TM_VALUE_ENABLE)) {
eventFormatterConfiguration.setEnableTracing(true);
} else if (eventFormatterConfigOMElement.getAttributeValue(
new QName(EventFormatterConstants.TM_ATTR_TRACING))
!= null
&& eventFormatterConfigOMElement
.getAttributeValue(new QName(EventFormatterConstants.TM_ATTR_TRACING))
.equals(EventFormatterConstants.TM_VALUE_DISABLE)) {
eventFormatterConfiguration.setEnableTracing(false);
}
eventFormatterConfiguration.setFromStreamName(fromStreamName);
eventFormatterConfiguration.setFromStreamVersion(fromStreamVersion);
eventFormatterConfiguration.setOutputMapping(
EventFormatterServiceValueHolder.getMappingFactoryMap()
.get(mappingType)
.constructOutputMapping(mappingElement));
eventFormatterConfiguration.setToPropertyConfiguration(toPropertyConfiguration);
return eventFormatterConfiguration;
}
