public String writeLogicSectionDRL(
Application application, boolean splitQuestionValuesIntoQuestionAndAnswer) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
Formatter fmt = new Formatter(baos);
PageElement lastItem = null;
int count = 0;
boolean alreadySplitAnswerOut = false;
if (condition == null) {
throw new IllegalStateException(
"There is no display condition for "
+ element.getId()
+ " "
+ (element.getRowNumber() + 1));
}
if (condition.getElements() == null) {
throw new IllegalStateException(
"There is no display condition elements for "
+ element.getId()
+ " "
+ (element.getRowNumber() + 1));
}
Map<String, String> itemVariables = new HashMap<String, String>();
for (Iterator<ConditionClause> i = condition.getElements().iterator(); i.hasNext(); ) {
ConditionClause element = (ConditionClause) i.next();
String seperator = ", ";
count++;
// TODO handle referenced objects? ie "emailObject : email"
String itemId = element.getItemId();
String attributeName = element.getItemAttribute();
String valueString = element.getValue();
String op = element.getOperation();
if (op == null) {
op = "==";
}
boolean sameItem = ((lastItem == null) || (!lastItem.getId().equals(itemId))) ? false : true;
if (!sameItem) {
if (lastItem != null) {
lastItem = null;
fmt.format(");\n");
}
}
PageElement pgElement = (sameItem) ? lastItem : application.findPageElement(itemId);
// System.out.println("itemId = " + itemId +" pgElement = " + pgElement);
if (op.toUpperCase().startsWith(OP_IS_CHANGED_TO_UPPER)) {
if (!alreadySplitAnswerOut) splitQuestionValuesIntoQuestionAndAnswer = true;
op = OP_IS_UPPER;
} else if (op.toUpperCase().startsWith(OP_IS_CHANGED_FROM_UPPER)) {
if (!alreadySplitAnswerOut) splitQuestionValuesIntoQuestionAndAnswer = true;
op = OP_IS_NOT_UPPER;
}
if (pgElement != null) {
if (lastItem == null) {
String varName = String.format("pe%d", count);
itemVariables.put(itemId, varName);
if (!itemId.startsWith("\"")) {
itemId = "\"" + itemId + "\"";
}
fmt.format("\t%s : %s(id == %s ", varName, pgElement.getType(), itemId);
lastItem = pgElement;
}
if (op.toUpperCase().startsWith(OP_MAPPED_TO_VALUE_UPPER)) {
fmt.format("%s%s : %s", seperator, attributeName, valueString);
continue;
}
} else {
if (op.toUpperCase().startsWith(OP_EVAL_UPPER)) {
if (!itemId.startsWith("eval")) {
itemId = "eval(" + itemId + ")";
}
fmt.format("\t%s %s;\n", itemId, (valueString == null) ? "" : valueString);
continue;
} else {
fmt.format("\t%s", itemId);
}
}
if (attributeName.equals("answer") && splitQuestionValuesIntoQuestionAndAnswer) {
fmt.format(" );\n\tAnswer (questionId == pe%d.id ", count);
attributeName = "value";
// only want one action to generate the branching action
splitQuestionValuesIntoQuestionAndAnswer = false;
alreadySplitAnswerOut = true;
}
op = FieldTypeHelper.formatOperationString(op);
valueString = FieldTypeHelper.formatValueStringInLogic(itemVariables, valueString);
fmt.format("%s%s %s %s", seperator, attributeName, op, valueString);
if (lastItem == null) {
fmt.format("\n");
}
}
// clean up at end
if (lastItem != null) {
lastItem = null;
fmt.format(");\n");
}
return new String(baos.toByteArray());
}
public WhenClauseTemplate(PageElement element) {
super();
this.element = element;
this.condition = element.getDisplayCondition();
}