public static OutputMapping fromOM(OMElement mappingElement)
throws EventPublisherConfigurationException {
JSONOutputMapping jsonOutputMapping = new JSONOutputMapping();
String customMappingEnabled =
mappingElement.getAttributeValue(new QName(EventPublisherConstants.EF_ATTR_CUSTOM_MAPPING));
if (customMappingEnabled == null
|| (customMappingEnabled.equals(EventPublisherConstants.ENABLE_CONST))) {
jsonOutputMapping.setCustomMappingEnabled(true);
if (!validateJsonEventMapping(mappingElement)) {
throw new EventPublisherConfigurationException(
"JSON Mapping is not valid, check the output mapping");
}
OMElement innerMappingElement =
mappingElement.getFirstChildWithName(
new QName(
EventPublisherConstants.EF_CONF_NS,
EventPublisherConstants.EF_ELE_MAPPING_INLINE));
if (innerMappingElement != null) {
jsonOutputMapping.setRegistryResource(false);
} else {
innerMappingElement =
mappingElement.getFirstChildWithName(
new QName(
EventPublisherConstants.EF_CONF_NS,
EventPublisherConstants.EF_ELE_MAPPING_REGISTRY));
if (innerMappingElement != null) {
jsonOutputMapping.setRegistryResource(true);
} else {
throw new EventPublisherConfigurationException(
"XML Mapping is not valid, Mapping should be inline or from registry");
}
}
if (innerMappingElement.getText() == null || innerMappingElement.getText().trim().isEmpty()) {
throw new EventPublisherConfigurationException("There is no any mapping content available");
} else {
jsonOutputMapping.setMappingText(innerMappingElement.getText());
}
} else {
jsonOutputMapping.setCustomMappingEnabled(false);
}
return jsonOutputMapping;
}
