/** Initialises the template descriptor and Root Elements. */
private void initialize() {
TemplateDescriptor desc = template.getTemplateDescriptor();
Element root = desc.getRootElement();
conditionalProcessGroupList = new ArrayList<ConditionalProcessGroup>();
List<Element> nodeList = TemplateEngine.getChildrenOfElementByTag(root, TemplateDescriptor.IF);
for (int j = 0, l = nodeList.size(); j < l; j++) {
conditionalProcessGroupList.add(
new ConditionalProcessGroup(template, nodeList.get(j), j + 1));
}
// Collect all free-hanging processes in one ConditionalProcessGroup object with condition true.
nodeList = TemplateEngine.getChildrenOfElementByTag(root, TemplateDescriptor.PROCESS);
conditionalProcessGroupList.add(
new ConditionalProcessGroup(template, nodeList.toArray(new Element[nodeList.size()])));
}
/**
* Constructs a ConditionalProcess element from the supplied conditionElement (<if>) while
* building Process objects out of each of the element's <process> children.
*/
public ConditionalProcessGroup(TemplateCore template, Element conditionElement, int id) {
this.id = "Condition " + id; // $NON-NLS-1$
conditionString = conditionElement.getAttribute(ProcessHelper.CONDITION);
if (conditionString != null) {
if (conditionString.trim().equals("")) { // $NON-NLS-1$
conditionString = null;
} else {
int op = conditionString.indexOf(ProcessHelper.EQUALS);
if (op != -1) {
this.operator = Operator.EQUALS;
lValue = conditionString.substring(0, op);
rValue = conditionString.substring(op + ProcessHelper.EQUALS.length());
} else {
op = conditionString.indexOf(ProcessHelper.NOT_EQUALS);
if (op != -1) {
this.operator = Operator.NOT_EQUALS;
lValue = conditionString.substring(0, op);
rValue = conditionString.substring(op + ProcessHelper.NOT_EQUALS.length());
} // else an unsupported operation where this condition is ignored.
}
collectMacros(lValue);
collectMacros(rValue);
}
}
createProcessObjects(
template,
TemplateEngine.getChildrenOfElementByTag(conditionElement, TemplateDescriptor.PROCESS));
}