private Object newInstance(Class type) {
try {
return type.newInstance();
} catch (Exception ex) {
try {
// Try a private constructor.
Constructor constructor = type.getDeclaredConstructor();
constructor.setAccessible(true);
return constructor.newInstance();
} catch (SecurityException ignored) {
} catch (NoSuchMethodException ignored) {
if (type.isArray())
throw new SerializationException(
"Encountered JSON object when expected array of type: " + type.getName(), ex);
else if (type.isMemberClass() && !Modifier.isStatic(type.getModifiers()))
throw new SerializationException(
"Class cannot be created (non-static member class): " + type.getName(), ex);
else
throw new SerializationException(
"Class cannot be created (missing no-arg constructor): " + type.getName(), ex);
} catch (Exception privateConstructorException) {
ex = privateConstructorException;
}
throw new SerializationException(
"Error constructing instance of class: " + type.getName(), ex);
}
}
public static void setAllAccessible() {
chatSerializer.setAccessible(true);
titlePacketConstructor.setAccessible(true);
titlePacketConstructorTimes.setAccessible(true);
chatPacketConstructor.setAccessible(true);
getHandle.setAccessible(true);
playerConnection.setAccessible(true);
sendPacket.setAccessible(true);
}
/**
* This method tests the private constructor of {@code Descriptions} for the tests coverage..
*
* @throws NoSuchMethodException
* @throws SecurityException
* @throws java.lang.reflect.InvocationTargetException
* @throws IllegalAccessException
* @throws InstantiationException
* @throws IllegalArgumentException
*/
@Test
public void test_private_constructor_for_the_tests_coverage()
throws SecurityException, NoSuchMethodException, IllegalArgumentException,
InstantiationException, IllegalAccessException, InvocationTargetException {
Constructor<Descriptions> constructor = Descriptions.class.getDeclaredConstructor();
assertThat(Modifier.isPrivate(constructor.getModifiers())).isTrue();
constructor.setAccessible(true);
constructor.newInstance();
constructor.setAccessible(false);
}
@SuppressWarnings("rawtypes")
@Override
public void afterPropertiesSet() throws Exception {
if (addresses == null || addresses.length == 0) {
throw new IllegalArgumentException("addresses can not be null.");
}
if (bossExecutor == null) {
acceptor = (HsfAcceptor) objectType.newInstance();
} else if (workerExecutor != null) {
Constructor<?> ctor =
objectType.getConstructor(Executor.class, Executor.class, Integer.class);
ctor.setAccessible(true);
acceptor = (HsfAcceptor) ctor.newInstance(bossExecutor, workerExecutor, workerCount);
} else {
Constructor<?> ctor = objectType.getConstructor(Executor.class, Integer.class);
ctor.setAccessible(true);
acceptor = (HsfAcceptor) ctor.newInstance(bossExecutor, workerCount);
}
if (eventExecutor != null) {
acceptor.setEventExecutor(eventExecutor);
}
if (groupName != null) {
acceptor.setGroupName(groupName);
}
if (options != null) {
acceptor.setOptions(options);
}
if (handlers != null) {
acceptor.setHandlers(handlers);
}
if (listeners != null) {
acceptor.setListeners(listeners);
}
if (preDispatchInterceptors != null) {
acceptor.setPreDispatchInterceptors(
new LinkedList<PreDispatchInterceptor>(preDispatchInterceptors));
}
if (services != null) {
acceptor.setServices(services);
}
}
@SuppressWarnings({"unchecked", "rawtypes"})
private void registerEventHandlers_() {
if (!Boolean.parseBoolean(
Play.configuration.getProperty("morphia.autoRegisterEventHandler", "true"))) return;
// -- register handlers from event handler class --
List<Class> classes = Play.classloader.getAssignableClasses(IMorphiaEventHandler.class);
for (Class c : classes) {
IMorphiaEventHandler h = null;
try {
Constructor cnst = c.getDeclaredConstructor();
cnst.setAccessible(true);
h = (IMorphiaEventHandler) cnst.newInstance();
} catch (Exception e) {
Logger.error(e, "Cannot init IMorphiaEventHandler from class: %s", c.getName());
continue;
}
Watch w = (Watch) c.getAnnotation(Watch.class);
if (null != w) {
Class[] ca = w.value();
for (Class modelClass : ca) {
registerModelEventHandlers_(modelClass, h);
}
}
}
// -- register handlers from model class --
classes = Play.classloader.getAssignableClasses(Model.class);
for (Class c : classes) {
WatchBy wb = (WatchBy) c.getAnnotation(WatchBy.class);
if (null == wb) continue;
Class[] ca = wb.value();
for (Class handler : ca) {
if ((IMorphiaEventHandler.class.isAssignableFrom(handler))) {
IMorphiaEventHandler h = null;
try {
Constructor cnst = handler.getDeclaredConstructor();
cnst.setAccessible(true);
h = (IMorphiaEventHandler) cnst.newInstance();
} catch (Exception e) {
Logger.error(e, "Cannot init IMorphiaEventHandler from class: %s", c.getName());
continue;
}
registerModelEventHandlers_(c, h);
}
}
}
}
protected final JComponent buildPage(String className, PropertyValueModel subjectHolder)
throws Exception {
Class page = Class.forName(className);
Constructor constructor = page.getDeclaredConstructor(new Class[] {PropertyValueModel.class});
constructor.setAccessible(true);
return (JComponent) constructor.newInstance(new Object[] {subjectHolder});
}
/**
* Make the given constructor accessible, explicitly setting it accessible if necessary. The
* <code>setAccessible(true)</code> method is only called when actually necessary, to avoid
* unnecessary conflicts with a JVM SecurityManager (if active).
*
* @param ctor the constructor to make accessible
* @see java.lang.reflect.Constructor#setAccessible
*/
public static void makeAccessible(Constructor<?> ctor) {
if ((!Modifier.isPublic(ctor.getModifiers())
|| !Modifier.isPublic(ctor.getDeclaringClass().getModifiers()))
&& !ctor.isAccessible()) {
ctor.setAccessible(true);
}
}
/** Calls the private constructor of the parser */
@SuppressWarnings("unused")
private AndroidTargetParser _Constructor(String osJarPath) throws Exception {
Constructor<AndroidTargetParser> constructor =
AndroidTargetParser.class.getDeclaredConstructor(String.class);
constructor.setAccessible(true);
return constructor.newInstance(osJarPath);
}
@BeforeClass
public void initCronService() throws Exception {
Constructor<CronService> constructor = CronService.class.getDeclaredConstructor();
constructor.setAccessible(true);
cronService = constructor.newInstance();
cronService.init(CurrentThreadRunnableRunner.class);
}
public static void create() throws Exception {
ObjectType type = ObjectType.get(getControllerClass());
notFoundIfNull(type);
Constructor<?> constructor = type.entityClass.getDeclaredConstructor();
constructor.setAccessible(true);
Model object = (Model) constructor.newInstance();
Binder.bindBean(params.getRootParamNode(), "object", object);
validation.valid(object);
if (validation.hasErrors()) {
renderArgs.put("error", play.i18n.Messages.get("crud.hasErrors"));
try {
render(request.controller.replace(".", "/") + "/blank.html", type, object);
} catch (TemplateNotFoundException e) {
render("CRUD/blank.html", type, object);
}
}
object._save();
flash.success(play.i18n.Messages.get("crud.created", type.modelName));
if (params.get("_save") != null) {
redirect(request.controller + ".list");
}
if (params.get("_saveAndAddAnother") != null) {
redirect(request.controller + ".blank");
}
redirect(request.controller + ".show", object._key());
}
/**
* Tests the private constructor.
*
* @throws Exception if oops
*/
@Test
public void testConstructorIsPrivate() throws Exception {
Constructor<Sanity> constructor = Sanity.class.getDeclaredConstructor();
Assert.assertTrue(Modifier.isPrivate(constructor.getModifiers()));
constructor.setAccessible(true);
constructor.newInstance();
}
@Implementation
public AlertDialog create() {
AlertDialog realDialog;
try {
Constructor<AlertDialog> c = AlertDialog.class.getDeclaredConstructor(Context.class);
c.setAccessible(true);
realDialog = c.newInstance((Context) null);
} catch (Exception e) {
throw new RuntimeException(e);
}
ShadowAlertDialog latestAlertDialog = shadowOf(realDialog);
latestAlertDialog.context = context;
latestAlertDialog.items = items;
latestAlertDialog.setTitle(title);
latestAlertDialog.message = message;
latestAlertDialog.clickListener = clickListener;
latestAlertDialog.setOnCancelListener(cancelListener);
latestAlertDialog.isMultiItem = isMultiItem;
latestAlertDialog.isSingleItem = isSingleItem;
latestAlertDialog.checkedItemIndex = checkedItem;
latestAlertDialog.multiChoiceClickListener = multiChoiceClickListener;
latestAlertDialog.checkedItems = checkedItems;
latestAlertDialog.setView(view);
latestAlertDialog.positiveButton =
createButton(realDialog, AlertDialog.BUTTON_POSITIVE, positiveText, positiveListener);
latestAlertDialog.negativeButton =
createButton(realDialog, AlertDialog.BUTTON_NEGATIVE, negativeText, negativeListener);
latestAlertDialog.neutralButton =
createButton(realDialog, AlertDialog.BUTTON_NEUTRAL, neutralText, neutralListener);
latestAlertDialog.setCancelable(isCancelable);
latestAlertDialog.customTitleView = customTitleView;
return realDialog;
}
protected static DeviceImpl importFromBEncodedMapStatic(DeviceManagerImpl manager, Map map)
throws IOException {
String impl = ImportExportUtils.importString(map, "_impl");
if (impl.startsWith(".")) {
impl = MY_PACKAGE + impl;
}
try {
Class<DeviceImpl> cla = (Class<DeviceImpl>) Class.forName(impl);
Constructor<DeviceImpl> cons = cla.getDeclaredConstructor(DeviceManagerImpl.class, Map.class);
cons.setAccessible(true);
return (cons.newInstance(manager, map));
} catch (Throwable e) {
Debug.out("Can't construct device for " + impl, e);
throw (new IOException("Construction failed: " + Debug.getNestedExceptionMessage(e)));
}
}
/**
* Accuracy test case for logInputArguments.
*
* @throws Exception to JUnit
*/
@SuppressWarnings("unchecked")
@Test
public void testLogInputArguments() throws Exception {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
Constructor privateCtor =
BasicLog.class.getDeclaredConstructor(String.class, PrintStream.class);
privateCtor.setAccessible(true);
Log log = (Log) privateCtor.newInstance("name", new PrintStream(byteStream));
List<Long> list = new ArrayList<Long>();
list.add(1l);
list.add(2l);
Helper.logInputArguments(
log,
new String[] {
"list",
"user",
"CopilotProfile",
"null parameter",
"CopilotProfileDTO",
"CopilotProjectDTO",
"CopilotPoolMember"
},
new Object[] {
list,
"user",
new CopilotProfile(),
null,
new CopilotProfileDTO(),
new CopilotProjectDTO(),
new CopilotPoolMember()
});
String out = byteStream.toString();
assertTrue("Should contain 'Input arguments:'.", out.indexOf("Input arguments:") != -1);
}
@Test
public void private_constructor() throws Exception {
Constructor constructor = TextUtils.class.getDeclaredConstructor();
assertThat(constructor.isAccessible()).isFalse();
constructor.setAccessible(true);
constructor.newInstance();
}
/** Constructs an object with the given parameters and classtypes */
public static Object invokeConstructor(Class clazz, Object[] args, Class[] classTypes)
throws NoSuchMethodException, IllegalAccessException, InvocationTargetException,
InstantiationException {
Constructor cs = getConstructorImpl(clazz, classTypes);
cs.setAccessible(true);
return cs.newInstance(args);
}
private View instantiate(String name, Context context, AttributeSet attrs) {
try {
Constructor<? extends View> constructor = CONSTRUCTOR_MAP.get(name);
if (constructor == null) {
Class<? extends View> clazz = null;
if (name.indexOf('.') != -1) {
clazz = context.getClassLoader().loadClass(name).asSubclass(View.class);
} else {
for (String prefix : CLASS_PREFIX_LIST) {
try {
clazz = context.getClassLoader().loadClass(prefix + name).asSubclass(View.class);
break;
} catch (ClassNotFoundException e) {
}
}
if (clazz == null) throw new ClassNotFoundException("couldn't find class: " + name);
}
constructor = clazz.getConstructor(CONSTRUCTOR_SIGNATURE);
CONSTRUCTOR_MAP.put(name, constructor);
}
Object[] args = constructorArgs;
args[0] = context;
args[1] = attrs;
constructor.setAccessible(true);
View view = constructor.newInstance(args);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN && view instanceof ViewStub)
CompatibilityImpl.setLayoutInflater((ViewStub) view, inflater.cloneInContext(context));
return view;
} catch (Exception e) {
Logger.e(TAG, "couldn't instantiate class " + name, e);
return null;
}
}
private <T> ObjectConstructor<T> newDefaultConstructor(Class<? super T> rawType) {
try {
final Constructor<? super T> constructor = rawType.getDeclaredConstructor(new Class[0]);
if (!constructor.isAccessible()) {
constructor.setAccessible(true);
}
new ObjectConstructor() {
public T construct() {
try {
Object[] args = null;
return (T) constructor.newInstance(args);
} catch (InstantiationException e) {
throw new RuntimeException("Failed to invoke " + constructor + " with no args", e);
} catch (InvocationTargetException e) {
throw new RuntimeException(
"Failed to invoke " + constructor + " with no args", e.getTargetException());
} catch (IllegalAccessException e) {
throw new AssertionError(e);
}
}
};
} catch (NoSuchMethodException e) {
}
return null;
}
protected CustomEventBanner internalCreate(String className) throws Exception {
Class<? extends CustomEventBanner> bannerClass =
Class.forName(className).asSubclass(CustomEventBanner.class);
Constructor<?> bannerConstructor = bannerClass.getDeclaredConstructor((Class[]) null);
bannerConstructor.setAccessible(true);
return (CustomEventBanner) bannerConstructor.newInstance();
}
@Override
public NeuralNetwork clone() {
try {
Constructor<?> c = Dl4jReflection.getEmptyConstructor(getClass());
c.setAccessible(true);
NeuralNetwork ret = (NeuralNetwork) c.newInstance();
ret.setMomentumAfter(momentumAfter);
ret.setResetAdaGradIterations(resetAdaGradIterations);
ret.setHbiasAdaGrad(hBiasAdaGrad);
ret.setVBiasAdaGrad(vBiasAdaGrad);
ret.sethBias(hBias.dup());
ret.setvBias(vBias.dup());
ret.setnHidden(getnHidden());
ret.setnVisible(getnVisible());
ret.setW(W.dup());
ret.setL2(l2);
ret.setMomentum(momentum);
ret.setRenderEpochs(getRenderIterations());
ret.setSparsity(sparsity);
ret.setRng(getRng());
ret.setDist(getDist());
ret.setAdaGrad(wAdaGrad);
ret.setLossFunction(lossFunction);
ret.setConstrainGradientToUnitNorm(constrainGradientToUnitNorm);
ret.setOptimizationAlgorithm(optimizationAlgo);
return ret;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Test to see if a private Constructor exists.
*
* @throws Exception to JUnit, indicates error
*/
@Test
public void testPrivateCtor() throws Exception {
Constructor<?> privateCtor = Helper.class.getDeclaredConstructors()[0];
assertTrue(Modifier.isPrivate(privateCtor.getModifiers()));
privateCtor.setAccessible(true);
privateCtor.newInstance(new Object[] {});
}
@Test
public void giveMeCoverageForMyPrivateConstructor() throws Exception {
// reduces only some noise in coverage report
final Constructor<UrlUtil> constructor = UrlUtil.class.getDeclaredConstructor();
constructor.setAccessible(true);
constructor.newInstance();
}
/** * Create a new instance by finding a constructor that matches the argumentTypes signature using * the arguments for instantiation. * * @param className Full classname of class to create * @param argumentTypes The constructor argument types * @param arguments The constructor arguments * @return a new instance * @throws IllegalArgumentException if className, argumentTypes, or arguments are null * @throws RuntimeException if any exceptions during creation * @author <a href="mailto:[email protected]">Aslak Knutsen</a> * @author <a href="mailto:[email protected]">ALR</a> */ static <T> T newInstance( final Class<T> implClass, final Class<?>[] argumentTypes, final Object[] arguments) { if (implClass == null) { throw new IllegalArgumentException("ImplClass must be specified"); } if (argumentTypes == null) { throw new IllegalArgumentException( "ArgumentTypes must be specified. Use empty array if no arguments"); } if (arguments == null) { throw new IllegalArgumentException( "Arguments must be specified. Use empty array if no arguments"); } final T obj; try { Constructor<T> constructor = getConstructor(implClass, argumentTypes); if (!constructor.isAccessible()) { constructor.setAccessible(true); } obj = constructor.newInstance(arguments); } catch (Exception e) { throw new RuntimeException("Could not create new instance of " + implClass, e); } return obj; }
/** Invokes a given method via {@link Method#invoke(Object, Object...)}. */
default Object invoke(ResolvedJavaMethod method, Object receiver, Object... args) {
try {
JavaType[] parameterTypes = method.toParameterTypes();
Class<?>[] parameterClasses = new Class<?>[parameterTypes.length];
for (int i = 0; i < parameterClasses.length; ++i) {
JavaType type = parameterTypes[i];
if (type.getJavaKind() != JavaKind.Object) {
parameterClasses[i] = type.getJavaKind().toJavaClass();
} else {
parameterClasses[i] = resolveClassForSnippet(parameterTypes[i]);
}
}
Class<?> c = resolveClassForSnippet(method.getDeclaringClass());
if (method.isConstructor()) {
Constructor<?> javaConstructor = c.getDeclaredConstructor(parameterClasses);
javaConstructor.setAccessible(true);
return javaConstructor.newInstance(args);
} else {
Method javaMethod = c.getDeclaredMethod(method.getName(), parameterClasses);
javaMethod.setAccessible(true);
return javaMethod.invoke(receiver, args);
}
} catch (IllegalAccessException
| InstantiationException
| InvocationTargetException
| ClassNotFoundException
| NoSuchMethodException ex) {
throw new IllegalArgumentException(ex);
}
}
private static <T> T getInstanceFromNonDefaultConstructor(Class<T> targetClass) {
Constructor<?>[] constructors = targetClass.getDeclaredConstructors();
constructors = DatabaseFileLookupTest.orderByParamCount(constructors);
for (Constructor<?> constructor : constructors) {
constructor.setAccessible(true);
Class<?>[] parameterTypes = constructor.getParameterTypes();
try {
/** Trying to invoke constructor with <code>null</code> values. */
@SuppressWarnings("unchecked")
T instance = (T) constructor.newInstance(new Object[parameterTypes.length]);
return instance;
} catch (Exception ignored) {
}
/** Creating proper instances for the parameter types. */
Object[] arguments = DatabaseFileLookupTest.createArguments(parameterTypes, targetClass);
if (arguments == null) {
continue;
}
try {
@SuppressWarnings("unchecked")
T instance = (T) constructor.newInstance(arguments);
return instance;
} catch (Exception ignored) {
}
}
return null;
}
private void prepareSuite() {
Class<?> benchmarkClass;
try {
benchmarkClass = getClassByName(suiteClassName);
} catch (ExceptionInInitializerError e) {
throw new ExceptionFromUserCodeException(e.getCause());
} catch (ClassNotFoundException ignored) {
throw new NoSuchClassException(suiteClassName);
}
Object s;
try {
Constructor<?> constructor = benchmarkClass.getDeclaredConstructor();
constructor.setAccessible(true);
s = constructor.newInstance();
} catch (InstantiationException ignore) {
throw new AbstractBenchmarkException(benchmarkClass);
} catch (NoSuchMethodException ignore) {
throw new NoParameterlessConstructorException(benchmarkClass);
} catch (IllegalAccessException impossible) {
throw new AssertionError(impossible); // shouldn't happen since we setAccessible(true)
} catch (InvocationTargetException e) {
throw new ExceptionFromUserCodeException(e.getCause());
}
if (s instanceof Benchmark) {
this.suite = (Benchmark) s;
} else {
throw new DoesntImplementBenchmarkException(benchmarkClass);
}
}
@SuppressWarnings("unused")
private static Object _invoke(
MethodHandler methodHandler,
Class<? extends ClusterInvokeAcceptor> clusterInvokeAcceptorClass,
Map<String, Serializable> context)
throws Exception {
if (clusterInvokeAcceptorClass != null) {
Constructor<? extends ClusterInvokeAcceptor> constructor =
clusterInvokeAcceptorClass.getDeclaredConstructor();
if (!constructor.isAccessible()) {
constructor.setAccessible(true);
}
ClusterInvokeAcceptor clusterInvokeAcceptor = constructor.newInstance();
if (!clusterInvokeAcceptor.accept(context)) {
return null;
}
}
_populateThreadLocalsFromContext(context);
return methodHandler.invoke();
}
@BeforeClass
public static void setUpClass() throws Exception {
PortalUtil portalUtil = new PortalUtil();
portalUtil.setPortal(new PortalImpl());
PortalUUIDUtil portalUUIDUtil = new PortalUUIDUtil();
portalUUIDUtil.setPortalUUID(new PortalUUIDImpl());
Field field = ReflectionUtil.getDeclaredField(LockLocalServiceUtil.class, "_service");
LockLocalService lockLocalService = new MockLockLocalService();
field.set(null, lockLocalService);
field = ClusterableContextThreadLocal.class.getDeclaredField("_contextThreadLocal");
field.setAccessible(true);
_threadLocalContext = (ThreadLocal<HashMap<String, Serializable>>) field.get(null);
Method method = ClusterSchedulerEngine.class.getDeclaredMethod("delete", String.class);
Clusterable clusterable = method.getAnnotation(Clusterable.class);
Class<? extends ClusterInvokeAcceptor> clusterInvokeAcceptorClass = clusterable.acceptor();
Constructor<? extends ClusterInvokeAcceptor> constructor =
clusterInvokeAcceptorClass.getDeclaredConstructor();
constructor.setAccessible(true);
_clusterInvokeAcceptor = constructor.newInstance();
}
public static void main(String[] args) throws Exception {
System.out.println("Well, you think your EnumSingleton is really a singleton");
System.out.println(
"The id of the INSTANCE object is " + System.identityHashCode(EnumSingleton.INSTANCE));
System.out.println("I will create another instance using reflection");
Constructor<EnumSingleton> privateConstructor =
EnumSingleton.class.getDeclaredConstructor(String.class, int.class);
privateConstructor.setAccessible(true);
try {
privateConstructor.newInstance();
} catch (IllegalArgumentException e) {
System.out.println(
"D'oh! An exception prevented me from creating a new instance: " + e.getMessage());
}
System.out.println("Hmm, I will try one more option - Serialisation");
EnumSingleton clone = SerializationUtils.clone(EnumSingleton.INSTANCE);
System.out.println(
"D'oh! Even serialization did not work. id = " + System.identityHashCode(clone));
System.out.println("I give up");
}
public MySocketImplFactory()
throws ClassNotFoundException, SecurityException, NoSuchMethodException {
super();
Class<?> c = Class.forName("java.net.PlainSocketImpl");
constructor = c.getDeclaredConstructor();
constructor.setAccessible(true);
accept = c.getDeclaredMethod("accept", SocketImpl.class);
accept.setAccessible(true);
bind = c.getDeclaredMethod("bind", InetAddress.class, Integer.TYPE);
bind.setAccessible(true);
available = c.getDeclaredMethod("available");
available.setAccessible(true);
create = c.getDeclaredMethod("create", Boolean.TYPE);
create.setAccessible(true);
connect1 = c.getDeclaredMethod("connect", InetAddress.class, Integer.TYPE);
connect1.setAccessible(true);
connect2 = c.getDeclaredMethod("connect", SocketAddress.class, Integer.TYPE);
connect2.setAccessible(true);
connect3 = c.getDeclaredMethod("connect", String.class, Integer.TYPE);
connect3.setAccessible(true);
getInputStream = c.getDeclaredMethod("getInputStream");
getInputStream.setAccessible(true);
getOutputStream = c.getDeclaredMethod("getOutputStream");
getOutputStream.setAccessible(true);
close = c.getDeclaredMethod("close");
close.setAccessible(true);
sendUrgentData = c.getDeclaredMethod("sendUrgentData", Integer.TYPE);
sendUrgentData.setAccessible(true);
listen = c.getDeclaredMethod("listen", Integer.TYPE);
listen.setAccessible(true);
}
