private void initProcessorIterator(Context context, Iterable<? extends Processor> processors) { Log log = Log.instance(context); Iterator<? extends Processor> processorIterator; if (options.isSet(XPRINT)) { try { Processor processor = PrintingProcessor.class.newInstance(); processorIterator = List.of(processor).iterator(); } catch (Throwable t) { AssertionError assertError = new AssertionError("Problem instantiating PrintingProcessor."); assertError.initCause(t); throw assertError; } } else if (processors != null) { processorIterator = processors.iterator(); } else { String processorNames = options.get(PROCESSOR); JavaFileManager fileManager = context.get(JavaFileManager.class); try { // If processorpath is not explicitly set, use the classpath. processorClassLoader = fileManager.hasLocation(ANNOTATION_PROCESSOR_PATH) ? fileManager.getClassLoader(ANNOTATION_PROCESSOR_PATH) : fileManager.getClassLoader(CLASS_PATH); /* * If the "-processor" option is used, search the appropriate * path for the named class. Otherwise, use a service * provider mechanism to create the processor iterator. */ if (processorNames != null) { processorIterator = new NameProcessIterator(processorNames, processorClassLoader, log); } else { processorIterator = new ServiceIterator(processorClassLoader, log); } } catch (SecurityException e) { /* * A security exception will occur if we can't create a classloader. * Ignore the exception if, with hindsight, we didn't need it anyway * (i.e. no processor was specified either explicitly, or implicitly, * in service configuration file.) Otherwise, we cannot continue. */ processorIterator = handleServiceLoaderUnavailability("proc.cant.create.loader", e); } } discoveredProcs = new DiscoveredProcessors(processorIterator); }
public static void assertValidity(DomElement element, String msg) { if (element instanceof DomFileElementImpl) { final String s = ((DomFileElementImpl) element).checkValidity(); if (s != null) { throw new AssertionError(s); } return; } final DomInvocationHandler handler = DomManagerImpl.getDomInvocationHandler(element); assert handler != null; try { handler.assertValid(); } catch (AssertionError e) { throw new AssertionError(msg + e.getMessage()); } }