public CircuitElementView instantiateElement(
UUID elementUUID,
float positionX,
float positionY,
CircuitElementManager elementManager,
WireManager wireManager)
throws InvocationTargetException, IllegalAccessException, InstantiationException,
NoSuchMethodException {
Class<? extends CircuitElementView> viewType = ElementTypeUUID.VIEW_MAP.get(elementUUID);
if (viewType == null) throw new IllegalArgumentException("Missing element view UUID");
Class<? extends CircuitElement> elementType = ElementTypeUUID.ELEMENT_MAP.get(elementUUID);
if (elementType == null) throw new IllegalArgumentException("Missing element type UUID");
Constructor<? extends CircuitElementView> viewConstructor;
viewConstructor =
viewType.getConstructor(
Context.class, CircuitElement.class, float.class, float.class, WireManager.class);
Constructor<? extends CircuitElement> elementConstructor;
elementConstructor = elementType.getConstructor(CircuitElementManager.class);
CircuitElement element = elementConstructor.newInstance(elementManager);
return viewConstructor.newInstance(context, element, 0, 0, wireManager);
}
/**
* Factory method, equivalent to a "fromXML" for step creation. Looks for a class with the same
* name as the XML tag, with the first letter capitalized. For example, <call /> is
* abbot.script.Call.
*/
public static Step createStep(Resolver resolver, Element el) throws InvalidScriptException {
String tag = el.getName();
Map attributes = createAttributeMap(el);
String name = tag.substring(0, 1).toUpperCase() + tag.substring(1);
if (tag.equals(TAG_WAIT)) {
attributes.put(TAG_WAIT, "true");
name = "Assert";
}
try {
name = "abbot.script." + name;
Log.debug("Instantiating " + name);
Class cls = Class.forName(name);
try {
// Steps with contents require access to the XML element
Class[] argTypes = new Class[] {Resolver.class, Element.class, Map.class};
Constructor ctor = cls.getConstructor(argTypes);
return (Step) ctor.newInstance(new Object[] {resolver, el, attributes});
} catch (NoSuchMethodException nsm) {
// All steps must support this ctor
Class[] argTypes = new Class[] {Resolver.class, Map.class};
Constructor ctor = cls.getConstructor(argTypes);
return (Step) ctor.newInstance(new Object[] {resolver, attributes});
}
} catch (ClassNotFoundException cnf) {
String msg = Strings.get("step.unknown_tag", new Object[] {tag});
throw new InvalidScriptException(msg);
} catch (InvocationTargetException ite) {
Log.warn(ite);
throw new InvalidScriptException(ite.getTargetException().getMessage());
} catch (Exception exc) {
Log.warn(exc);
throw new InvalidScriptException(exc.getMessage());
}
}
public Bean(String classPackage, String clazz, ClassLoaderStrategy cls, Bean topLevelBean)
throws Exception {
// Get the no-arg constructor and create the bean
try {
Class classOfBean = ObjectXml.getClassOfBean((ClassLoader) cls, classPackage + "." + clazz);
Constructor ct = null;
// check whether this class is an inner class
if (classOfBean.getEnclosingClass() != null) {
ct = classOfBean.getConstructor(new Class[] {classOfBean.getEnclosingClass()});
beanObject = ct.newInstance(new Object[] {topLevelBean.getBeanObject()});
} else {
ct = classOfBean.getConstructor((Class[]) null);
beanObject = ct.newInstance((Object[]) null);
}
// Get an array of property descriptors
beanInfo = Introspector.getBeanInfo(classOfBean);
PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
// load property descriptors into hashtable
propDesc = new Properties();
for (int i = 0; i < pds.length; i++) {
propDesc.put(pds[i].getName(), pds[i]);
}
} catch (Exception e) {
System.err.println("Exception creating bean: " + e.getMessage());
e.printStackTrace();
throw e;
}
}
private BrowserLauncher createBrowserLauncher(
Class c, String browserStartCommand, String sessionId, SeleneseQueue queue) {
try {
BrowserLauncher browserLauncher;
if (null == browserStartCommand) {
Constructor ctor = c.getConstructor(new Class[] {int.class, String.class});
Object[] args = new Object[] {new Integer(server.getPort()), sessionId};
browserLauncher = (BrowserLauncher) ctor.newInstance(args);
} else {
Constructor ctor = c.getConstructor(new Class[] {int.class, String.class, String.class});
Object[] args =
new Object[] {
new Integer(SeleniumServer.getPortDriversShouldContact()),
sessionId,
browserStartCommand
};
browserLauncher = (BrowserLauncher) ctor.newInstance(args);
}
if (browserLauncher instanceof SeleneseQueueAware) {
((SeleneseQueueAware) browserLauncher).setSeleneseQueue(queue);
}
return browserLauncher;
} catch (InvocationTargetException e) {
throw new RuntimeException(
"failed to contruct launcher for "
+ browserStartCommand
+ "for"
+ e.getTargetException());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void apply()
throws IllegalAccessException, InvocationTargetException, InstantiationException {
if (type.isEnum()) {
for (T instance : type.getEnumConstants()) {
assertThat(
instance.toString(),
is(
type.getCanonicalName().substring(type.getPackage().getName().length() + 1)
+ "."
+ ((Enum<?>) instance).name()));
}
return;
}
for (Constructor<?> constructor : type.getDeclaredConstructors()) {
if (constructor.isSynthetic() && skipSynthetic) {
continue;
}
constructor.setAccessible(true);
Class<?>[] parameterTypes = constructor.getParameterTypes();
Object[] actualArguments = new Object[parameterTypes.length];
Object[] otherArguments = new Object[parameterTypes.length];
int index = 0;
for (Class<?> parameterType : parameterTypes) {
putInstance(parameterType, actualArguments, otherArguments, index++);
}
int testIndex = 0;
@SuppressWarnings("unchecked")
T instance = (T) constructor.newInstance(actualArguments);
assertThat(instance, is(instance));
assertThat(instance, not(is((Object) null)));
assertThat(instance, not(is(new Object())));
Object similarInstance = constructor.newInstance(actualArguments);
assertThat(instance.hashCode(), is(similarInstance.hashCode()));
assertThat(instance, is(similarInstance));
if (skipToString) {
assertThat(instance.toString(), notNullValue());
} else if (optionalToStringRegex == null) {
checkString(instance);
} else {
assertThat(instance.toString(), new RegexMatcher(optionalToStringRegex));
}
for (Object otherArgument : otherArguments) {
Object[] compareArguments = new Object[actualArguments.length];
int argumentIndex = 0;
for (Object actualArgument : actualArguments) {
if (argumentIndex == testIndex) {
compareArguments[argumentIndex] = otherArgument;
} else {
compareArguments[argumentIndex] = actualArgument;
}
argumentIndex++;
}
Object unlikeInstance = constructor.newInstance(compareArguments);
assertThat(instance.hashCode(), not(is(unlikeInstance)));
assertThat(instance, not(is(unlikeInstance)));
testIndex++;
}
}
}
/**
* Create a channel with the given capacity and semaphore implementations instantiated from the
* supplied class
*
* @exception IllegalArgumentException if capacity less or equal to zero.
* @exception NoSuchMethodException If class does not have constructor that intializes permits
* @exception SecurityException if constructor information not accessible
* @exception InstantiationException if semaphore class is abstract
* @exception IllegalAccessException if constructor cannot be called
* @exception InvocationTargetException if semaphore constructor throws an exception
*/
public SemaphoreControlledChannel(int capacity, Class semaphoreClass)
throws IllegalArgumentException, NoSuchMethodException, SecurityException,
InstantiationException, IllegalAccessException, InvocationTargetException {
if (capacity <= 0) throw new IllegalArgumentException();
capacity_ = capacity;
Class[] longarg = {Long.TYPE};
Constructor ctor = semaphoreClass.getDeclaredConstructor(longarg);
Object[] cap = {Long.valueOf(capacity)};
putGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ cap));
Object[] zero = {Long.valueOf(0)};
takeGuard_ = (Semaphore) (ctor.newInstance(/*(Object[]) GemStoneAddition*/ zero));
}
private Filter newInstance(API api) throws Exception {
for (Constructor c : api.filter().getDeclaredConstructors()) {
c.setAccessible(true);
Class[] ps = c.getParameterTypes();
if (ps.length == 1 && RequestArguments.class.isAssignableFrom(ps[0]))
return (Filter) c.newInstance(this);
}
for (Constructor c : api.filter().getDeclaredConstructors()) {
Class[] ps = c.getParameterTypes();
if (ps.length == 0) return (Filter) c.newInstance();
}
throw new Exception("Class " + api.filter().getName() + " must have an empty constructor");
}
/**
* _more_
*
* @param entry _more_
* @param className _more_
* @param properties _more_
* @return _more_
* @throws Exception _more_
*/
private RecordFile doMakeRecordFile(Entry entry, String className, Hashtable properties)
throws Exception {
Class c = Misc.findClass(className);
Constructor ctor = Misc.findConstructor(c, new Class[] {String.class, Hashtable.class});
if (ctor != null) {
return (RecordFile) ctor.newInstance(new Object[] {entry.getFile().toString(), properties});
}
ctor = Misc.findConstructor(c, new Class[] {String.class});
if (ctor != null) {
return (RecordFile) ctor.newInstance(new Object[] {entry.getResource().getPath()});
}
throw new IllegalArgumentException("Could not find constructor for " + className);
}
ProxyConnection createProxyConnection() throws Exception {
// we should always have a separate handler for each proxy connection, so
// that object methods behave as expected... the handler covers
// all object methods on behalf of the proxy.
InvocationHandler handler = new ProxyConnectionInvocationHandler();
return (ProxyConnection) CON_PROXY_CTOR.newInstance(new Object[] {handler});
}
/**
* Returns an instance of a proxy class for the specified interfaces that dispatches method
* invocations to the specified invocation handler. This method is equivalent to:
*
* <pre>
* Proxy.getProxyClass(loader, interfaces).
* getConstructor(new Class[] { InvocationHandler.class }).
* newInstance(new Object[] { handler });
* </pre>
*
* <p>{@code Proxy.newProxyInstance} throws {@code IllegalArgumentException} for the same reasons
* that {@code Proxy.getProxyClass} does.
*
* @param loader the class loader to define the proxy class
* @param interfaces the list of interfaces for the proxy class to implement
* @param h the invocation handler to dispatch method invocations to
* @return a proxy instance with the specified invocation handler of a proxy class that is defined
* by the specified class loader and that implements the specified interfaces
* @throws IllegalArgumentException if any of the restrictions on the parameters that may be
* passed to {@code getProxyClass} are violated
* @throws NullPointerException if the {@code interfaces} array argument or any of its elements
* are {@code null}, or if the invocation handler, {@code h}, is {@code null}
*/
public static Object newProxyInstance(
ClassLoader loader, Class<?>[] interfaces, InvocationHandler h)
throws IllegalArgumentException {
if (h == null) {
throw new NullPointerException();
}
/*
* Look up or generate the designated proxy class.
*/
Class<?> cl = getProxyClass(loader, interfaces);
/*
* Invoke its constructor with the designated invocation handler.
*/
try {
Constructor cons = cl.getConstructor(constructorParams);
return cons.newInstance(new Object[] {h});
} catch (NoSuchMethodException e) {
throw new InternalError(e.toString());
} catch (IllegalAccessException e) {
throw new InternalError(e.toString());
} catch (InstantiationException e) {
throw new InternalError(e.toString());
} catch (InvocationTargetException e) {
throw new InternalError(e.toString());
}
}
/**
* Create a default object of the given type. Prefers constructors with as few arguments as
* possible. Creates an empty proxy for interfaces.
*
* @param type type to instantiate
* @return default instance
* @throws Exception if the default instance could not be created
*/
private static Object instantiateType(Class<?> type) throws Exception {
if (type.isPrimitive()) return Defaults.defaultValue(type);
else if (type == Void.class) return null;
else if (type.isArray()) return Array.newInstance(type, 0);
else if (type.isInterface())
return Proxy.newProxyInstance(
type.getClassLoader(),
new Class[] {type},
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return null;
}
});
// Take a constructor with as few params as possible
Constructor constructor = type.getDeclaredConstructors()[0];
for (Constructor<?> c : type.getDeclaredConstructors()) {
if (c.getParameterTypes().length < constructor.getParameterTypes().length) constructor = c;
}
Object[] params = new Object[constructor.getParameterTypes().length];
for (int i = 0; i < constructor.getParameterTypes().length; i++) {
params[i] = instantiateType(constructor.getParameterTypes()[i]);
}
return constructor.newInstance(params);
}
@SuppressWarnings("unchecked")
private <T> T _get(Class<T> type, Set<Class<?>> seenTypes) {
if (!seenTypes.add(type)) {
throw new IllegalStateException("Cycle in dependencies for " + type);
}
Object singleton = singletons.get(type);
if (singleton != null) {
return (T) singleton;
}
try {
Constructor<T> constructor = getConstructor(type);
Class<?>[] parameterTypes = constructor.getParameterTypes();
Object[] parameters = new Object[parameterTypes.length];
for (int i = 0; i < parameterTypes.length; i++) {
parameters[i] = _get(parameterTypes[i], seenTypes);
}
T instance = postProcess(constructor.newInstance(parameters));
singletons.put(type, instance);
return instance;
} catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new IllegalStateException("Unable to create instance of " + type);
}
}
private static void testPotato(
Class<? extends Collection> implClazz, Class<? extends List> argClazz) throws Throwable {
try {
System.out.printf("implClazz=%s, argClazz=%s\n", implClazz.getName(), argClazz.getName());
final int iterations = 100000;
final List<Integer> list = (List<Integer>) argClazz.newInstance();
final Integer one = Integer.valueOf(1);
final List<Integer> oneElementList = Collections.singletonList(one);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Thread t =
new CheckedThread() {
public void realRun() {
for (int i = 0; i < iterations; i++) {
list.add(one);
list.remove(one);
}
}
};
t.setDaemon(true);
t.start();
for (int i = 0; i < iterations; i++) {
Collection<?> coll = constr.newInstance(list);
Object[] elts = coll.toArray();
check(elts.length == 0 || (elts.length == 1 && elts[0] == one));
}
} catch (Throwable t) {
unexpected(t);
}
}
public <BLOCK extends Block> BLOCK newBlock(
String name, Class<BLOCK> cls, Class itemClass, String title) {
try {
int id = config.getBlock(name, 4095).getInt();
Constructor<BLOCK> ctor = cls.getConstructor(int.class);
BLOCK block = ctor.newInstance(id);
String qualName = assetKey + ":" + name;
block.setUnlocalizedName(qualName);
// block.func_111022_d(qualName.toLowerCase()); // Set default icon name
// block.func_111022_d(qualName); // Set default icon name
block.setTextureName(qualName); // Set default icon name
GameRegistry.registerBlock(block, itemClass);
if (title != null) {
LanguageRegistry.addName(block, title);
if (clientSide) {
// System.out.printf("%s: BaseMod.newBlock: %s: creative tab = %s\n",
// this, block.getUnlocalizedName(), block.getCreativeTabToDisplayOn());
if (block.getCreativeTabToDisplayOn() == null && !title.startsWith("["))
block.setCreativeTab(CreativeTabs.tabMisc);
}
}
if (block instanceof IBlock) registeredBlocks.add((IBlock) block);
return block;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private boolean isCompatible(Constructor<?> constructor, Object... arguments) {
try {
constructor.newInstance(arguments);
return true;
} catch (Exception e) {
return false;
}
}
private Validator newValidator(API api) throws Exception {
for (Constructor c : api.validator().getDeclaredConstructors()) {
c.setAccessible(true);
Class[] ps = c.getParameterTypes();
return (Validator) c.newInstance();
}
return null;
}
/**
* @param cacheName Cache name.
* @param key Key.
* @return Data key.
* @throws Exception In case of error.
*/
private Object key(String cacheName, int key) throws Exception {
Class<?> cls = Class.forName(GridSpringDynamicCacheManager.class.getName() + "$DataKey");
Constructor<?> cons = cls.getDeclaredConstructor(String.class, Object.class);
cons.setAccessible(true);
return cons.newInstance(cacheName, key);
}
private static Object createArgumentPlaceholderForUnknownClass(
Class<?> clazz, Integer placeholderId) throws IllegalAccessException, InstantiationException {
FinalClassArgumentCreator<?> creator = FINAL_CLASS_ARGUMENT_CREATORS.get(clazz);
if (creator != null) return creator.createArgumentPlaceHolder(placeholderId);
for (Constructor constructor : clazz.getConstructors()) {
Class<?>[] params = constructor.getParameterTypes();
if (params.length != 1) continue;
try {
if (params[0] == String.class)
return constructor.newInstance(String.valueOf(placeholderId));
if (isNumericClass(params[0])) return constructor.newInstance(placeholderId);
} catch (IllegalAccessException e1) {
} catch (InvocationTargetException e2) {
}
}
return clazz.newInstance();
}
private static void testImplementation(Class<? extends Collection> implClazz) throws Throwable {
testPotato(implClazz, Vector.class);
testPotato(implClazz, CopyOnWriteArrayList.class);
final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
final Collection<Object> coll = constr.newInstance(Arrays.asList(new String[] {}));
coll.add(1);
equal(coll.toString(), "[1]");
}
public static Object loadFrame(
JopSession session, String className, String instance, boolean scrollbar)
throws ClassNotFoundException {
if (className.indexOf(".pwg") != -1) {
GrowFrame frame =
new GrowFrame(
className, session.getGdh(), instance, new GrowFrameCb(session), session.getRoot());
frame.validate();
frame.setVisible(true);
} else {
Object frame;
if (instance == null) instance = "";
JopLog.log(
"JopSpider.loadFrame: Loading frame \"" + className + "\" instance \"" + instance + "\"");
try {
Class clazz = Class.forName(className);
try {
Class argTypeList[] =
new Class[] {session.getClass(), instance.getClass(), boolean.class};
Object argList[] = new Object[] {session, instance, new Boolean(scrollbar)};
System.out.println("JopSpider.loadFrame getConstructor");
Constructor constructor = clazz.getConstructor(argTypeList);
try {
frame = constructor.newInstance(argList);
} catch (Exception e) {
System.out.println(
"Class instanciation error: "
+ className
+ " "
+ e.getMessage()
+ " "
+ constructor);
return null;
}
// frame = clazz.newInstance();
JopLog.log("JopSpider.loadFrame openFrame");
openFrame(frame);
return frame;
} catch (NoSuchMethodException e) {
System.out.println("NoSuchMethodException: Unable to get frame constructor " + className);
} catch (Exception e) {
System.out.println(
"Exception: Unable to get frame class " + className + " " + e.getMessage());
}
} catch (ClassNotFoundException e) {
System.out.println("Class not found: " + className);
throw new ClassNotFoundException();
}
return null;
}
return null;
}
public void addAction(String action) {
try {
Class<?> c = Class.forName(action);
Constructor init = c.getConstructor(new Class[] {MinecraftProcess.class});
Action a = (Action) init.newInstance(new Object[] {mcp});
mcp.addAction(a);
} catch (Exception e) {
e.printStackTrace(System.err);
System.exit(1);
}
}
/**
* Create the default projection for the default class
*
* @return a default projection
*/
private ProjectionImpl makeDefaultProjection() {
// the default constructor
try {
Constructor c = projClass.getConstructor(VOIDCLASSARG);
return (ProjectionImpl) c.newInstance(VOIDOBJECTARG);
} catch (Exception ee) {
System.err.println(
"ProjectionManager makeDefaultProjection failed to construct class " + projClass);
System.err.println(" " + ee);
return null;
}
}
/** Try to create a Java object using a one-string-param constructor. */
public static Object newStringConstructor(String type, String param) throws Exception {
Constructor c = Utils.getClass(type).getConstructor(String.class);
try {
return c.newInstance(param);
} catch (InvocationTargetException e) {
Throwable t = e.getTargetException();
if (t instanceof Exception) {
throw (Exception) t;
} else {
throw e;
}
}
}
/** {@inheritDoc} */
public T convert(F from) {
Object[] initArgs = new Object[argumentConverters.size()];
int i = 0;
for (ArgumentConverter<F, Object> argumentConverter : argumentConverters) {
initArgs[i++] = argumentConverter.convert(from);
}
try {
return constructor.newInstance(initArgs);
} catch (Exception e) {
throw new IntrospectionException(
"Unable to create an object of class " + constructor.getDeclaringClass().getName(), e);
}
}
@Override
public T create() {
Class<T> concreteClass = type.getConcreteClass();
try {
Constructor<T> declaredConstructor = concreteClass.getDeclaredConstructor();
declaredConstructor.setAccessible(true);
return declaredConstructor.newInstance();
} catch (InvocationTargetException e) {
throw UncheckedException.throwAsUncheckedException(e.getTargetException());
} catch (Exception e) {
throw UncheckedException.throwAsUncheckedException(e);
}
}
public void applyBasic()
throws IllegalAccessException, InvocationTargetException, InstantiationException {
for (Constructor<?> constructor : type.getDeclaredConstructors()) {
if (constructor.isSynthetic() && skipSynthetic) {
continue;
}
constructor.setAccessible(true);
Class<?>[] parameterTypes = constructor.getParameterTypes();
Object[] actualArguments = new Object[parameterTypes.length];
Object[] otherArguments = new Object[parameterTypes.length];
int index = 0;
for (Class<?> parameterType : parameterTypes) {
putInstance(parameterType, actualArguments, otherArguments, index++);
}
@SuppressWarnings("unchecked")
T instance = (T) constructor.newInstance(actualArguments);
checkString(instance);
assertThat(instance, is(instance));
assertThat(instance, not(is((Object) null)));
assertThat(instance, not(is(new Object())));
assertThat(instance, not(is(constructor.newInstance(otherArguments))));
}
}
static MappedByteBuffer newMappedByteBufferR(
int size, long addr, FileDescriptor fd, Runnable unmapper) {
MappedByteBuffer dbb;
if (directByteBufferRConstructor == null) initDBBRConstructor();
try {
dbb =
(MappedByteBuffer)
directByteBufferRConstructor.newInstance(
new Object[] {new Integer(size), new Long(addr), fd, unmapper});
} catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new InternalError(e);
}
return dbb;
}
@NotNull
public static <T> T createInstance(final Constructor<T> constructor, final Object... args) {
try {
return constructor.newInstance(args);
} catch (InstantiationException e) {
LOG.error(e);
return null;
} catch (IllegalAccessException e) {
LOG.error(e);
return null;
} catch (InvocationTargetException e) {
LOG.error(e);
return null;
}
}
/**
* Method that can be called to try to create an instantiate of specified type. Instantiation is
* done using default no-argument constructor.
*
* @param canFixAccess Whether it is possible to try to change access rights of the default
* constructor (in case it is not publicly accessible) or not.
* @throws IllegalArgumentException If instantiation fails for any reason; except for cases where
* constructor throws an unchecked exception (which will be passed as is)
*/
public static <T> T createInstance(Class<T> cls, boolean canFixAccess)
throws IllegalArgumentException {
Constructor<T> ctor = findConstructor(cls, canFixAccess);
if (ctor == null) {
throw new IllegalArgumentException(
"Class " + cls.getName() + " has no default (no arg) constructor");
}
try {
return ctor.newInstance();
} catch (Exception e) {
ClassUtil.unwrapAndThrowAsIAE(
e, "Failed to instantiate class " + cls.getName() + ", problem: " + e.getMessage());
return null;
}
}
public static <T> T newInstance(
Constructor<T> constructor, boolean strict, Object... parameters) {
if (!strict) parameters = convertArray(parameters, constructor.getParameterTypes());
Class<T> type = constructor.getDeclaringClass();
if (deprecated(type))
escalator.escalate(
"Instantiating a deprecated class: " + type.getName(), BeanUtil.class, null);
try {
return constructor.newInstance(parameters);
} catch (InstantiationException e) {
throw ExceptionMapper.configurationException(e, type);
} catch (IllegalAccessException e) {
throw ExceptionMapper.configurationException(e, type);
} catch (InvocationTargetException e) {
throw ExceptionMapper.configurationException(e, type);
}
}
