/**
* Adapts the source object to a view object.
*
* @param mapper An action that is invoked for each source object in the graph that is to be
* adapted. The action can influence how the source object is adapted via the provided {@link
* SourceObjectMapping}.
*/
public <T, S> T adapt(
Class<T> targetType, S sourceObject, Action<? super SourceObjectMapping> mapper) {
if (sourceObject == null) {
return null;
}
Class<? extends T> wrapperType = targetTypeProvider.getTargetType(targetType, sourceObject);
DefaultSourceObjectMapping mapping =
new DefaultSourceObjectMapping(sourceObject, targetType, wrapperType);
mapper.execute(mapping);
wrapperType = mapping.wrapperType.asSubclass(targetType);
if (wrapperType.isInstance(sourceObject)) {
return wrapperType.cast(sourceObject);
}
if (targetType.isEnum()) {
return adaptToEnum(targetType, sourceObject);
}
MixInMethodInvoker mixInMethodInvoker = null;
if (mapping.mixInType != null) {
mixInMethodInvoker =
new MixInMethodInvoker(
mapping.mixInType, new AdaptingMethodInvoker(mapper, new ReflectionMethodInvoker()));
}
MethodInvoker overrideInvoker = chainInvokers(mixInMethodInvoker, mapping.overrideInvoker);
Object proxy =
Proxy.newProxyInstance(
wrapperType.getClassLoader(),
new Class<?>[] {wrapperType},
new InvocationHandlerImpl(sourceObject, overrideInvoker, mapper));
if (mixInMethodInvoker != null) {
mixInMethodInvoker.setProxy(proxy);
}
return wrapperType.cast(proxy);
}
public Object invoke(Object target, Method method, Object[] params) throws Throwable {
if (EQUALS_METHOD.equals(method)) {
Object param = params[0];
if (param == null || !Proxy.isProxyClass(param.getClass())) {
return false;
}
InvocationHandler other = Proxy.getInvocationHandler(param);
return equals(other);
} else if (HASHCODE_METHOD.equals(method)) {
return hashCode();
}
MethodInvocation invocation =
new MethodInvocation(
method.getName(),
method.getReturnType(),
method.getGenericReturnType(),
method.getParameterTypes(),
delegate,
params);
invoker.invoke(invocation);
if (!invocation.found()) {
String methodName =
method.getDeclaringClass().getSimpleName() + "." + method.getName() + "()";
throw Exceptions.unsupportedMethod(methodName);
}
return invocation.getResult();
}
/** Unpacks the source object from a given view object. */
public Object unpack(Object viewObject) {
if (!Proxy.isProxyClass(viewObject.getClass())
|| !(Proxy.getInvocationHandler(viewObject) instanceof InvocationHandlerImpl)) {
throw new IllegalArgumentException("The given object is not a view object");
}
InvocationHandlerImpl handler = (InvocationHandlerImpl) Proxy.getInvocationHandler(viewObject);
return handler.delegate;
}
private PersonBean getNonOwnerProxy(PersonBean person) {
return (PersonBean)
Proxy.newProxyInstance(
person.getClass().getClassLoader(),
person.getClass().getInterfaces(),
new NonOwnerInvocationHandler(person));
}
/**
* Builds a new AgentMBeanServerConnectionFactory and returns the underlying
* MBeanServerConnection
*
* @return a new MBeanServerConnection
*/
public MBeanServerConnection build() {
final String key = buildKey();
MBeanServerConnection conn = INSTANCES.get(key);
if (conn == null) {
synchronized (INSTANCES) {
conn = INSTANCES.get(key);
if (conn == null) {
conn =
(MBeanServerConnection)
Proxy.newProxyInstance(
Thread.currentThread().getContextClassLoader(),
new Class[] {MBeanServerConnection.class},
new AgentMBeanServerConnectionFactory(this));
INSTANCES.put(key, conn);
channel
.getCloseFuture()
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
INSTANCES.remove(key);
}
});
}
}
}
return conn;
}
public static Robot newNullRobot(Class<? extends Robot> type) {
return (Robot)
Proxy.newProxyInstance(
NullRobot.class.getClassLoader(),
new Class[] {Null.class, Robot.class},
new NullRobotProxyHandler(type));
}
public void write(ONL.Writer wrtr) throws java.io.IOException {
wrtr.writeString(host);
wrtr.writeInt(port);
short cid = 0;
if (proxy != null) cid = proxy.getConnectionID(this);
wrtr.writeShort(cid);
}
public boolean connect() {
ExpCoordinator.printer.print("NCCPConnection.connect", 3);
if (host.length() == 0) {
ExpCoordinator.printer.print("NCCPConnection.connect host is not set", 6);
return false;
}
if (proxy == null && nonProxy == null) {
ExpCoordinator.printer.print("NCCPConnection.connect proxy null");
return false;
}
if (ExpCoordinator.isSPPMon()) return (connectSPPMon());
if (state == ConnectionEvent.CONNECTION_CLOSED || state == ConnectionEvent.CONNECTION_FAILED) {
state = ConnectionEvent.CONNECTION_PENDING;
if (proxy != null) {
proxy.openConnection(this);
}
}
/*
if (nonProxy != null && proxy == null)
{
return (nonProxy.connect());
}
*/
return true;
}
ConnectionWrapper(Connection con) {
this.connection =
(Connection)
Proxy.newProxyInstance(
con.getClass().getClassLoader(), con.getClass().getInterfaces(), this);
m_originConnection = con;
}
/**
* 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);
}
public static SnapshotMBeanServerConnection newSnapshot(MBeanServerConnection mbsc) {
final InvocationHandler ih = new SnapshotInvocationHandler(mbsc);
return (SnapshotMBeanServerConnection)
Proxy.newProxyInstance(
Snapshot.class.getClassLoader(),
new Class[] {SnapshotMBeanServerConnection.class},
ih);
}
/**
* Creates a new proxy with the specified URL. The returned object is a proxy with the interface
* specified by api.
*
* <pre>
* String url = "http://localhost:8080/ejb/hello");
* HelloHome hello = (HelloHome) factory.create(HelloHome.class, url);
* </pre>
*
* @param api the interface the proxy class needs to implement
* @param url the URL where the client object is located.
* @return a proxy to the object with the specified interface.
*/
public Object create(Class api, String urlName, ClassLoader loader) throws MalformedURLException {
URL url = new URL(urlName);
HessianProxy handler = new HessianProxy(this, url);
return Proxy.newProxyInstance(
api.getClassLoader(), new Class[] {api, HessianRemoteObject.class}, handler);
}
public void registerMockedClass(@Nonnull Class<?> mockedType) {
if (!isMockedClass(mockedType)) {
if (Proxy.isProxyClass(mockedType)) {
mockedType = mockedType.getInterfaces()[0];
}
mockedClasses.add(mockedType);
}
}
/**
* Unwraps the proxy and returns the underlying {@link Dom} object.
*
* @return null if the given instance is not actually a proxy to a DOM.
*/
public static Dom unwrap(ConfigBeanProxy proxy) {
ConfigBeanProxy configBeanProxy = ConfigSupport.revealProxy(proxy);
InvocationHandler ih = Proxy.getInvocationHandler(configBeanProxy);
if (ih instanceof Dom) return (Dom) ih;
if (ih instanceof ConfigView) {
return (Dom) ((ConfigView) ih).getMasterView();
}
return null;
}
public void read(ONL.Reader rdr) throws java.io.IOException {
setHost(new String(rdr.readString()));
setPort(rdr.readInt());
short cid = (short) rdr.readShort();
ExpCoordinator.print(
new String("NCCPConnection.read host:" + getHost() + " port:" + getPort() + " cid:" + cid),
5);
if (proxy != null) proxy.setConnectionID(this, cid);
}
/**
* Creates a {@link Proxy} implementation for a given interface, in which all methods are empty.
* Non-void methods will return a default value according to the return type: {@literal 0} for
* {@code int}, {@literal null} for a reference type, and so on.
*
* <p>The {@code equals}, {@code hashCode}, and {@code toString} methods inherited from {@code
* java.lang.Object} are overridden with an appropriate implementation in each case: {@code
* equals} is implemented by comparing the two object references (the proxy instance and the
* method argument) for equality; {@code hashCode} is implemented to return the identity hash code
* for the proxy instance; and {@code toString} returns the standard string representation that
* {@code Object#toString} would have returned.
*
* <p>This method is just a convenience for some uses of the <em>Mockups</em> API. In <em>JMockit
* Expectations</em> in particular, mocked instances will be automatically created and assigned to
* any mock fields or parameters.
*
* @param loader the class loader under which to define the proxy class; usually this would be the
* application class loader, which can be obtained from any application class
* @param interfaceToBeProxied a {@code Class} object for an interface
* @return the created proxy instance
* @see #newEmptyProxy(Class)
* @see #newEmptyProxy(Type...)
* @see <a
* href="http://code.google.com/p/jmockit/source/browse/trunk/samples/orderMngmntWebapp/test/orderMngr/domain/order/OrderRepository_MockupsAPI_Test.java#186">
* Example</a>
*/
public static <E> E newEmptyProxy(ClassLoader loader, Class<E> interfaceToBeProxied) {
Class<?>[] interfaces =
loader == null
? new Class<?>[] {interfaceToBeProxied}
: new Class<?>[] {interfaceToBeProxied, EmptyProxy.class};
//noinspection unchecked
return (E) Proxy.newProxyInstance(loader, interfaces, MockInvocationHandler.INSTANCE);
}
private ConnectivitySettings proxyToCs(Proxy proxy, URI uri) {
ConnectivitySettings cs = new ConnectivitySettings();
InetSocketAddress isa = (InetSocketAddress) proxy.address();
switch (proxy.type()) {
case HTTP:
setupProxy(cs, ConnectivitySettings.CONNECTION_VIA_HTTPS, isa);
break;
case SOCKS:
setupProxy(cs, ConnectivitySettings.CONNECTION_VIA_SOCKS, isa);
break;
default:
}
String prosyUser = NetworkSettings.getAuthenticationUsername(uri);
if (prosyUser != null && !prosyUser.isEmpty()) {
cs.setProxyUsername(prosyUser);
cs.setProxyPassword(Keyring.read(NetworkSettings.getKeyForAuthenticationPassword(uri)));
}
return cs;
}
public void setConnectionID(short cid) {
ExpCoordinator.print(
new String(
"NCCPConnection.setConnectionID host:"
+ getHost()
+ " port:"
+ getPort()
+ " cid:"
+ cid),
5);
if (proxy != null) proxy.setConnectionID(this, cid);
}
public static void main(String[] args) {
RealObject real = new RealObject();
consumer(real);
// Insert a proxy and call again:
Interface proxy =
(Interface)
Proxy.newProxyInstance(
Interface.class.getClassLoader(),
new Class[] {Interface.class},
new DynamicProxyHandler(real));
consumer(proxy);
}
/**
* Helper method used to weed out dynamic Proxy types; types that do not expose concrete method
* API that we could use to figure out automatic Bean (property) based serialization.
*/
public static boolean isProxyType(Class<?> type) {
// Then: well-known proxy (etc) classes
if (Proxy.isProxyClass(type)) {
return true;
}
String name = type.getName();
// Hibernate uses proxies heavily as well:
if (name.startsWith("net.sf.cglib.proxy.") || name.startsWith("org.hibernate.proxy.")) {
return true;
}
// Not one of known proxies, nope:
return false;
}
public void sendMessage(NCCP.Message msg) {
if (isClosed() || isFailed()) connect();
if (isConnected()) {
ExpCoordinator.printer.print("NCCPConnection::sendMessage", 5);
if (proxy != null) proxy.sendMessage(msg, this);
else {
if (nonProxy != null) nonProxy.sendMessage(msg);
}
} else // still can't connect
{
pendingMessages.add(msg);
}
}
private static void checkStub(Remote stub, Class<? extends Remote> stubClass) {
// Check remote stub is from the expected class.
//
if (stub.getClass() != stubClass) {
if (!Proxy.isProxyClass(stub.getClass())) {
throw new SecurityException("Expecting a " + stubClass.getName() + " stub!");
} else {
InvocationHandler handler = Proxy.getInvocationHandler(stub);
if (handler.getClass() != RemoteObjectInvocationHandler.class) {
throw new SecurityException(
"Expecting a dynamic proxy instance with a "
+ RemoteObjectInvocationHandler.class.getName()
+ " invocation handler!");
} else {
stub = (Remote) handler;
}
}
}
// Check RemoteRef in stub is from the expected class
// "sun.rmi.server.UnicastRef2".
//
RemoteRef ref = ((RemoteObject) stub).getRef();
if (ref.getClass() != UnicastRef2.class) {
throw new SecurityException(
"Expecting a " + UnicastRef2.class.getName() + " remote reference in stub!");
}
// Check RMIClientSocketFactory in stub is from the expected class
// "javax.rmi.ssl.SslRMIClientSocketFactory".
//
LiveRef liveRef = ((UnicastRef2) ref).getLiveRef();
RMIClientSocketFactory csf = liveRef.getClientSocketFactory();
if (csf == null || csf.getClass() != SslRMIClientSocketFactory.class) {
throw new SecurityException(
"Expecting a "
+ SslRMIClientSocketFactory.class.getName()
+ " RMI client socket factory in stub!");
}
}
public void close() {
if (proxy != null && isConnected()) {
proxy.closeConnection(this);
setConnected(false);
} else {
if (nonProxy != null && isConnected()) {
try {
Thread.sleep(1000);
} catch (java.lang.InterruptedException e2) {
}
nonProxy.close();
setConnected(false);
}
}
}
public static final Connection getConnection() throws SQLException {
Connection conn = conns.get();
if (conn == null || conn.isClosed()) {
conn = _getConnection();
if (conn == null) throw new SQLException("Unabled to get connection.");
conns.set(conn);
// RequestContext ctx = RequestContext.get();
// connectionContext.put(
// Thread.currentThread().getId(),
// new ConnectionContext(new Exception(), (ctx != null) ? ctx
// .ip() : null, (ctx != null) ? ctx.uri() : null,
// (ctx != null) ? ctx.request().getParameterMap()
// : null));
}
return (show_sql && !Proxy.isProxyClass(conn.getClass()))
? new _DebugConnection(conn).getConnection()
: conn;
}
@Override
public ConfigBeanProxy compute(final Class<?> proxyType) throws ComputationErrorException {
ClassLoader cl;
if (System.getSecurityManager() != null) {
cl =
AccessController.doPrivileged(
new PrivilegedAction<ClassLoader>() {
@Override
public ClassLoader run() {
return proxyType.getClassLoader();
}
});
} else {
cl = proxyType.getClassLoader();
}
ConfigBeanProxy retVal =
(ConfigBeanProxy) Proxy.newProxyInstance(cl, new Class[] {proxyType}, dom);
return retVal;
}
/**
* Create {@link us.ihmc.simulationconstructionset.gui.actions.ActionsTest.MethodCallTester} with
* a proxy object for the given interface that logs all method calls.
*
* @param interfaceClass interface to proxy
* @param forwardInstance interface implementation that will be called when a call is logged (can
* be null)
* @param <T> interface type
* @return method tester instance
*/
private static <T> MethodCallTester<T> createMethodTesterForInterface(
Class<T> interfaceClass, final T forwardInstance) {
final List<MethodInvocation> invocations = new ArrayList<>();
//noinspection unchecked
T mock =
(T)
Proxy.newProxyInstance(
interfaceClass.getClassLoader(),
new Class[] {interfaceClass},
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
invocations.add(new MethodInvocation(method.getName(), args));
if (forwardInstance != null) return method.invoke(forwardInstance, args);
return null;
}
});
return new MethodCallTester<>(mock, interfaceClass, invocations);
}
/** ** XAConnection interface *** */
public Connection getConnection() throws SQLException {
if (logger.logDebug()) debug("PGXAConnection.getConnection called");
Connection conn = super.getConnection();
// When we're outside an XA transaction, autocommit
// is supposed to be true, per usual JDBC convention.
// When an XA transaction is in progress, it should be
// false.
if (state == STATE_IDLE) conn.setAutoCommit(true);
/*
* Wrap the connection in a proxy to forbid application from
* fiddling with transaction state directly during an XA transaction
*/
ConnectionHandler handler = new ConnectionHandler(conn);
return (Connection)
Proxy.newProxyInstance(
getClass().getClassLoader(),
new Class[] {Connection.class, PGConnection.class},
handler);
}
public short getConnectionID() {
if (proxy != null) return ((short) proxy.getConnectionID(this));
else return ((short) 0);
}
public void setProxy(Proxy p) {
proxy = p;
proxy.addConnection(this);
}
/**
* Returns the conn.
*
* @return Connection
*/
public Connection getConnection() {
return (Connection)
Proxy.newProxyInstance(
conn.getClass().getClassLoader(), conn.getClass().getInterfaces(), this);
}
