/**
* @param xpath XPATH expression to be read.
* @param elt OMElement to be used for the search.
* @return List matching OMNode list
*/
@SuppressWarnings("unchecked")
public List<OMNode> getMatchingNodes(final String xpath, final OMElement elt) {
AXIOMXPath axiomXpath;
List<OMNode> nodeList = null;
try {
axiomXpath = new AXIOMXPath(xpath);
nodeList = axiomXpath.selectNodes(elt);
} catch (JaxenException e) {
String msg = "Error occurred while reading the Xpath (" + xpath + ")";
log.error(msg, e);
throw new CloudControllerException(msg, e);
}
return nodeList;
}
/*
* This method is used to capture the lifecycle attribute from the configuration.
*
* expected configuration elements are
*
* <field type="options">
<name label="Lifecycle Name" >Lifecycle Name</name>
<values class="org.wso2.carbon.governance.generic.ui.utils.LifecycleListPopulator"/>
</field>
*
* or
*
* <field type="options">
<name label="Lifecycle Name" >Lifecycle Name</name>
<values class="com.foo.bar.LifecycleListPopulator" isLifecycle="true"/>
</field>
* */
private static String BuilLifecycleAttribute(
GovernanceArtifactConfiguration configuration,
String defaultLifecycleGeneratorClass,
String lifecycleAttribute) {
try {
// This part checks whether the user has given a lifecycle populates.
// If not, then we check whether there is an attribute called, "isLifecycle"
// This attribute will identify the lifecycle attribute from the configuration.
OMElement configurationElement = configuration.getContentDefinition();
String xpathExpression = "//@class";
AXIOMXPath xpath = new AXIOMXPath(xpathExpression);
List resultNodes = xpath.selectNodes(configurationElement);
if (resultNodes != null && resultNodes.size() > 0) {
String lifecycleParentName = null;
String lifecycleName = null;
for (Object resultNode : resultNodes) {
OMElement parentElement = ((OMAttribute) resultNode).getOwner();
if (parentElement
.getAttributeValue(new QName("class"))
.equals(defaultLifecycleGeneratorClass)) {
Iterator childrenIterator = parentElement.getParent().getChildrenWithLocalName("name");
while (childrenIterator.hasNext()) {
OMElement next = (OMElement) childrenIterator.next();
lifecycleName = next.getAttributeValue(new QName("label"));
}
OMElement rootElement = (OMElement) ((OMElement) parentElement.getParent()).getParent();
lifecycleParentName = rootElement.getAttributeValue(new QName("name"));
break;
} else if (parentElement.getAttributeValue(new QName("isLifecycle")) != null
&& parentElement.getAttributeValue(new QName("isLifecycle")).equals("true")) {
Iterator childrenIterator = parentElement.getParent().getChildrenWithLocalName("name");
while (childrenIterator.hasNext()) {
OMElement next = (OMElement) childrenIterator.next();
lifecycleName = next.getAttributeValue(new QName("label"));
}
OMElement rootElement = (OMElement) ((OMElement) parentElement.getParent()).getParent();
lifecycleParentName = rootElement.getAttributeValue(new QName("name"));
break;
}
}
if (lifecycleParentName != null && lifecycleName != null) {
return convertName(lifecycleParentName.split(" "))
+ "_"
+ convertName(lifecycleName.split(" "));
}
}
} catch (OMException e) {
log.error(
"Governance artifact configuration of configuration key:"
+ configuration.getKey()
+ " is invalid",
e);
} catch (JaxenException e) {
log.error("Error in getting the lifecycle attribute", e);
}
return null;
}