public boolean isStreamDefinitionValidForConfiguration(
EventBuilderConfiguration eventBuilderConfiguration,
StreamDefinition exportedStreamDefinition) {
if (!(eventBuilderConfiguration.getToStreamName().equals(exportedStreamDefinition.getName())
&& eventBuilderConfiguration
.getToStreamVersion()
.equals(exportedStreamDefinition.getVersion()))) {
return false;
}
if (eventBuilderConfiguration.getInputMapping() instanceof XMLInputMapping) {
XMLInputMapping xmlInputMapping =
(XMLInputMapping) eventBuilderConfiguration.getInputMapping();
for (InputMappingAttribute inputMappingAttribute :
xmlInputMapping.getInputMappingAttributes()) {
Attribute attribute =
new Attribute(
inputMappingAttribute.getToElementKey(), inputMappingAttribute.getToElementType());
if (!exportedStreamDefinition.getPayloadData().contains(attribute)) {
return false;
}
}
} else {
return false;
}
return true;
}
public void createMapping(
EventBuilderConfiguration eventBuilderConfiguration,
StreamDefinition exportedStreamDefinition,
List<XPathData> attributeXpathList) {
if (eventBuilderConfiguration != null
&& eventBuilderConfiguration.getInputMapping() instanceof XMLInputMapping) {
XMLInputMapping xmlInputMapping =
(XMLInputMapping) eventBuilderConfiguration.getInputMapping();
XPathDefinition xPathDefinition = xmlInputMapping.getXpathDefinition();
for (InputMappingAttribute inputMappingAttribute :
xmlInputMapping.getInputMappingAttributes()) {
String xpathExpr = inputMappingAttribute.getFromElementKey();
try {
AXIOMXPath xpath = new AXIOMXPath(xpathExpr);
if (xPathDefinition != null && !xPathDefinition.isEmpty()) {
xpath.addNamespace(xPathDefinition.getPrefix(), xPathDefinition.getNamespaceUri());
}
String type =
EventBuilderConstants.ATTRIBUTE_TYPE_CLASS_TYPE_MAP.get(
inputMappingAttribute.getToElementType());
attributeXpathList.add(
new XPathData(xpath, type, inputMappingAttribute.getDefaultValue()));
exportedStreamDefinition.addPayloadData(
inputMappingAttribute.getToElementKey(), inputMappingAttribute.getToElementType());
} catch (JaxenException e) {
String errMsg = "Error parsing XPath expression: " + xpathExpr;
log.error(errMsg, e);
throw new EventBuilderConfigurationException(errMsg, e);
}
}
if (!isStreamDefinitionValidForConfiguration(
eventBuilderConfiguration, exportedStreamDefinition)) {
throw new EventBuilderValidationException(
"Exported stream definition does not match the specified configuration.");
}
}
}