Class PreFactSetTester

code/src/java/plugin/pretokens/test/PreFactSetTester.java:38–120

The Class PreFactTester is responsible for testing FACT values on an object.

 * The Class {@code PreFactTester} is responsible for testing FACT values on an object.
 */
public class PreFactSetTester extends AbstractPrerequisiteTest implements PrerequisiteTest
{

	@Override
	public int passes(final Prerequisite prereq, final PlayerCharacter aPC, CDOMObject source)
		throws PrerequisiteException
	{

		final int number;
		try
		{
			number = Integer.parseInt(prereq.getOperand());
		}
		catch (NumberFormatException exceptn)
		{
			throw new PrerequisiteException(
				LanguageBundle.getFormattedString("PreFactSet.error", prereq.toString()), exceptn); //$NON-NLS-1$
		}

		String location = prereq.getCategoryName();
		String[] locationElements = location.split("\\.");
		Iterable<Reducible> objModel = (Iterable<Reducible>) OutputDB.getIterable(aPC.getCharID(), locationElements);
		if (objModel == null)
		{
			throw new PrerequisiteException("Output System does not have model for: " + location);
		}

		String test = prereq.getKey();
		String[] factinfo = test.split("=");
		String factid = factinfo[0];
		String factval = factinfo[1];
		FactSetKey<?> fk = FactSetKey.valueOf(factid);

		int runningTotal = getRunningTotal(prereq, number, objModel, factval, fk);
		return countedTotal(prereq, runningTotal);
	}

	private static <T> int getRunningTotal(final Prerequisite prereq, final int number, Iterable<Reducible> objModel,
		String factval, FactSetKey<T> fk)
	{
		T targetVal = fk.getFormatManager().convert(factval);
		int runningTotal = 0;
		CDO: for (Reducible r : objModel)
		{
			List<Indirect<T>> sets = r.getCDOMObject().getSetFor(fk);
			for (Indirect<T> indirect : sets)
			{
				if (indirect.get().equals(targetVal))
				{
					runningTotal++;
					continue CDO;
				}
			}
		}

		runningTotal = prereq.getOperator().compare(runningTotal, number);
		return runningTotal;
	}