private void loadHostName(final List<OMNode> nodes, final ServiceContext serviceCtxt) {
if (nodes == null || nodes.isEmpty()) {
return;
}
// read host element
if (nodes.get(0).getType() == OMNode.ELEMENT_NODE) {
OMElement node = (OMElement) nodes.get(0);
if (node.getText() != null) {
serviceCtxt.setHostName(node.getText());
}
}
}
private void loadPayload(final List<OMNode> nodes, final ServiceContext serviceCtxt) {
if (nodes == null || nodes.isEmpty()) {
return;
}
// read payload element
if (nodes.get(0).getType() == OMNode.ELEMENT_NODE) {
OMElement node = (OMElement) nodes.get(0);
if (node.getText() != null) {
byte[] payload = CloudControllerUtil.getBytesFromFile(node.getText());
serviceCtxt.setPayload(payload);
}
}
}
public List<ServiceContext> getServiceContexts() {
List<ServiceContext> serviceContextList = new ArrayList<ServiceContext>();
// services can be found from this XPATH
String xpath = CloudControllerConstants.SERVICES_ELEMENT_XPATH;
List<?> serviceNodes = getMatchingNodes(xpath, documentElement);
if (serviceNodes == null || serviceNodes.isEmpty()) {
// or from this XPATH
xpath = CloudControllerConstants.SERVICE_ELEMENT_XPATH;
serviceNodes = getMatchingNodes(xpath, documentElement);
}
if (serviceNodes == null || serviceNodes.isEmpty()) {
log.warn("No service found in this configuration file : " + xmlSource.getPath());
return serviceContextList;
}
for (Object obj : serviceNodes) {
ServiceContext serviceCtxt = new ServiceContext();
// set the definition file
serviceCtxt.setFile(xmlSource);
if (obj instanceof OMNode) {
OMNode serviceNode = (OMNode) obj;
if (serviceNode.getType() == OMNode.ELEMENT_NODE) {
OMElement node = (OMElement) serviceNode;
if (node.getAttribute(new QName(CloudControllerConstants.SERVICE_DOMAIN_ATTR)) == null) {
String msg =
"Essential '"
+ CloudControllerConstants.SERVICE_DOMAIN_ATTR
+ "' "
+ "attribute of '"
+ CloudControllerConstants.SERVICE_ELEMENT
+ "' element cannot be found in "
+ xmlSource;
handleException(msg);
}
// set domain name
serviceCtxt.setDomainName(
node.getAttribute(new QName(CloudControllerConstants.SERVICE_DOMAIN_ATTR))
.getAttributeValue());
// set sub domain
serviceCtxt.setSubDomainName(
node.getAttribute(new QName(CloudControllerConstants.SERVICE_SUB_DOMAIN_ATTR))
.getAttributeValue());
// set tenant range
serviceCtxt.setTenantRange(
node.getAttribute(new QName(CloudControllerConstants.SERVICE_TENANT_RANGE_ATTR))
.getAttributeValue());
OMNode cartridgeNode =
getFirstMatchingNode(xpath + CloudControllerConstants.CARTRIDGE_ELEMENT_XPATH, node);
if (cartridgeNode != null && cartridgeNode.getType() == OMNode.ELEMENT_NODE) {
OMElement cartridgeElt = (OMElement) cartridgeNode;
String type =
cartridgeElt
.getAttribute(new QName(CloudControllerConstants.TYPE_ATTR))
.getAttributeValue();
if ("".equals(type)) {
String msg =
"Essential '"
+ CloudControllerConstants.TYPE_ATTR
+ "' "
+ " attribute of '"
+ CloudControllerConstants.CARTRIDGE_ELEMENT
+ "' of '"
+ CloudControllerConstants.SERVICE_ELEMENT
+ "' element cannot be found in "
+ xmlSource;
handleException(msg);
}
// set Cartridge type
serviceCtxt.setCartridgeType(type);
}
if (serviceCtxt.getCartridgeType() == null) {
String msg =
"Essential '"
+ CloudControllerConstants.CARTRIDGE_ELEMENT
+ "' element"
+ " has not specified in "
+ xmlSource;
handleException(msg);
}
// load payload
loadPayload(
getMatchingNodes(xpath + CloudControllerConstants.PAYLOAD_ELEMENT_XPATH, node),
serviceCtxt);
// load host name
loadHostName(
getMatchingNodes(xpath + CloudControllerConstants.HOST_ELEMENT_XPATH, node),
serviceCtxt);
// load properties
loadProperties(node, serviceCtxt.getProperties());
}
}
FasterLookUpDataHolder.getInstance().addServiceContext(serviceCtxt);
// add each domain specific template to list
serviceContextList.add(serviceCtxt);
}
return serviceContextList;
}