List of usage examples for java.lang.reflect InvocationHandler InvocationHandler
InvocationHandler
From source file:com.epam.reportportal.junit.JUnitProvider.java
@Override public IListenerHandler get() { if (reportPortalService.getParameters().getEnable()) { return new ParallelRunningHandler(parallelRunningContext, reportPortalService); }/*ww w . j ava 2 s . com*/ return (IListenerHandler) Proxy.newProxyInstance(this.getClass().getClassLoader(), new Class[] { IListenerHandler.class }, new InvocationHandler() { @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { Class<?> returnType = method.getReturnType(); if (ClassUtils.isAssignable(returnType, Boolean.class, true)) { return false; } return null; } }); }
From source file:com.futureplatforms.kirin.internal.attic.ProxyGenerator.java
public <T> T javascriptProxyForModule(Class<T> baseInterface, Class<?>... otherClasses) { Class<?>[] allClasses;//from w ww .j a v a 2 s . co m if (otherClasses.length == 0) { allClasses = new Class[] { baseInterface }; } else { allClasses = new Class[otherClasses.length + 1]; allClasses[0] = baseInterface; System.arraycopy(otherClasses, 0, allClasses, 1, otherClasses.length); } InvocationHandler h = new InvocationHandler() { @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { mKirinHelper.jsMethod(method.getName(), (Object[]) args); return null; } }; Object proxy = Proxy.newProxyInstance(baseInterface.getClassLoader(), allClasses, h); return baseInterface.cast(proxy); }
From source file:org.jcurl.core.jnlp.FileDialogWebstart.java
/** * Dynamic Interface Wrapper (or dynamic Delegate) using * {@link Proxy#newProxyInstance(ClassLoader, Class[], InvocationHandler)} * mapping only identical methods./* w w w .ja v a 2 s . c o m*/ * <p> * The two interfaces must have identical methods! * </p> * * @param src * the source instance (the one to wrap) * @param dstT * destination interface type * @return target interface instance. */ static Object wrap(final Object src, final Class<?> dstT) { if (log.isDebugEnabled()) log.debug("wrap(" + src + ", " + dstT + ")"); if (src == null) return null; return Proxy.newProxyInstance(FileDialogWebstart.class.getClassLoader(), new Class[] { dstT }, new InvocationHandler() { public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable { final Class<?> srcT = src.getClass(); // Wrap ALL Methods (also getClass, equals, toString, // ...) final Method dstM = srcT.getMethod(method.getName(), method.getParameterTypes()); if (log.isDebugEnabled()) { log.debug("proxy: " + proxy.getClass()); log.debug("method: " + method); log.debug("args: " + args); log.debug("srcT: " + srcT); log.debug("dstM: " + dstM); } final Object ret = dstM.invoke(src, args); if (log.isDebugEnabled()) log.debug("ret: " + ret); return ret; } }); }
From source file:com.quatico.base.aem.test.api.setup.SetupFactory.java
public T getSetup(final Object... implementors) { final Map<Class<?>, Object> interfaces = new HashMap<>(); for (Object implementor : implementors) { List<Class<?>> implementorInterfaces = ClassUtils.getAllInterfaces(implementor.getClass()); assert !implementorInterfaces.isEmpty(); for (Class<?> implementorInterface : implementorInterfaces) { interfaces.put(implementorInterface, implementor); }//from w w w.ja v a2 s .c o m } @SuppressWarnings("unchecked") T result = (T) Proxy.newProxyInstance(this.interfaze.getClassLoader(), new Class<?>[] { this.interfaze }, new InvocationHandler() { private final Object fProxyObject = new Object() { @Override public String toString() { return "Proxy for: " + SetupFactory.this.interfaze.getDeclaringClass().getName(); //$NON-NLS-1$ } }; @Override public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { if (method.getDeclaringClass().equals(Object.class)) { method.invoke(this.fProxyObject, args); } if (interfaces.containsKey(method.getDeclaringClass())) { return method.invoke(interfaces.get(method.getDeclaringClass()), args); } throw new UnsupportedOperationException( "Created proxy has not received an implementation that supports this method: " //$NON-NLS-1$ + method.getName()); } }); return result; }
From source file:com.netflix.paas.config.base.DynamicProxyArchaeusConfigurationFactory.java
@SuppressWarnings({ "unchecked", "static-access" })
public <T> T get(Class<T> configClass, DynamicPropertyFactory propertyFactory,
AbstractConfiguration configuration) throws Exception {
final Map<String, Supplier<?>> methods = ConfigurationProxyUtils.getMethodSuppliers(configClass,
propertyFactory, configuration);
if (configClass.isInterface()) {
Class<?> proxyClass = Proxy.getProxyClass(configClass.getClassLoader(), new Class[] { configClass });
return (T) proxyClass.getConstructor(new Class[] { InvocationHandler.class })
.newInstance(new Object[] { new InvocationHandler() {
@Override/*from www .j av a 2 s . c o m*/
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Supplier<?> supplier = (Supplier<?>) methods.get(method.getName());
return supplier.get();
}
} });
} else {
final Enhancer enhancer = new Enhancer();
final Object obj = (T) enhancer.create(configClass, new net.sf.cglib.proxy.InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Supplier<?> supplier = (Supplier<?>) methods.get(method.getName());
if (supplier == null) {
return method.invoke(proxy, args);
}
return supplier.get();
}
});
ConfigurationProxyUtils.assignFieldValues(obj, configClass, propertyFactory, configuration);
return (T) obj;
}
}
From source file:com.netflix.paas.config.base.JavaAssistArchaeusConfigurationFactory.java
@SuppressWarnings({ "unchecked", "static-access" })
public <T> T get(Class<T> configClass, DynamicPropertyFactory propertyFactory,
AbstractConfiguration configuration) throws Exception {
final Map<String, Supplier<?>> methods = ConfigurationProxyUtils.getMethodSuppliers(configClass,
propertyFactory, configuration);
if (configClass.isInterface()) {
Class<?> proxyClass = Proxy.getProxyClass(configClass.getClassLoader(), new Class[] { configClass });
return (T) proxyClass.getConstructor(new Class[] { InvocationHandler.class })
.newInstance(new Object[] { new InvocationHandler() {
@Override//w w w. ja v a 2 s . c o m
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Supplier<?> supplier = (Supplier<?>) methods.get(method.getName());
if (supplier == null) {
return method.invoke(proxy, args);
}
return supplier.get();
}
} });
} else {
final Enhancer enhancer = new Enhancer();
final Object obj = (T) enhancer.create(configClass, new net.sf.cglib.proxy.InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Supplier<?> supplier = (Supplier<?>) methods.get(method.getName());
if (supplier == null) {
return method.invoke(proxy, args);
}
return supplier.get();
}
});
ConfigurationProxyUtils.assignFieldValues(obj, configClass, propertyFactory, configuration);
return (T) obj;
}
}
From source file:jp.primecloud.auto.ui.mock.MockBeanContext.java
protected ApplicationContext createMockContext() { InvocationHandler handler = new InvocationHandler() { @Override/*ww w.j a v a2 s .com*/ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { if ("getBean".equals(method.getName())) { return getBean((String) args[0]); } else if ("getBeansOfType".equals(method.getName())) { return getBeansOfType((Class<?>) args[0]); } throw new UnsupportedOperationException(method.getName()); } }; ClassLoader loader = Thread.currentThread().getContextClassLoader(); Class<?>[] interfaces = new Class<?>[] { ApplicationContext.class }; return (ApplicationContext) Proxy.newProxyInstance(loader, interfaces, handler); }
From source file:org.ebayopensource.twin.ElementImpl.java
/** * For internal use only. Creates an Element wrapping the given RemoteObject * This should be used instead of new Element(), as it will instantiate the correct subclass. *//* w ww . ja va 2s.c o m*/ public static Element create(RemoteObject o) { if (o == null) return null; List<Class<?>> interfaces = new ArrayList<Class<?>>(); interfaces.add(Element.class); interfaces.add(RemoteResourceInterface.class); final Class<? extends ControlType> controlTypeInterface = NameMappings .getTypeInterface((String) o.properties.get("controlType")); if (controlTypeInterface.equals(Desktop.class)) return new DesktopImpl(o.session); if (controlTypeInterface != null) interfaces.add(controlTypeInterface); List<Class<? extends ControlPattern>> controlPatternInterfaces = getControlPatternInterfaces(o); interfaces.addAll(controlPatternInterfaces); final ElementImpl impl = new ElementImpl(o, controlTypeInterface, controlPatternInterfaces); if (interfaces.isEmpty()) return impl; final HashSet<Class<?>> implementedPatterns = new HashSet<Class<?>>(); for (Class<?> iface : interfaces) if (isInterfaceExtending(iface, ControlPattern.class)) implementedPatterns.add(iface); return (Element) Proxy.newProxyInstance(ElementImpl.class.getClassLoader(), interfaces.toArray(new Class[interfaces.size()]), new InvocationHandler() { public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { Method implMethod = null; try { implMethod = impl.getClass().getMethod(method.getName(), method.getParameterTypes()); } catch (NoSuchMethodException e) { implMethod = impl.getClass().getDeclaredMethod(method.getName(), method.getParameterTypes()); } Require requirement = implMethod.getAnnotation(Require.class); if (requirement != null) { for (Class<?> pattern : requirement.pattern()) if (!implementedPatterns.contains(pattern)) throw new TwinException("This " + (impl.getControlType() == null ? "Unknown" : impl.getControlType()) + " does not implement the control pattern " + pattern.getSimpleName()); if (requirement.type() != Void.class) if (controlTypeInterface != requirement.type()) throw new TwinException("This " + (impl.getControlType() == null ? "Unknown" : impl.getControlType()) + " is not of ControlType " + requirement.type().getSimpleName()); } try { return implMethod.invoke(impl, args); } catch (InvocationTargetException e) { throw e.getCause(); } } }); }
From source file:com.mirth.connect.server.api.providers.MirthResourceInvocationHandlerProvider.java
@Override public InvocationHandler create(Invocable method) { return new InvocationHandler() { @Override/* ww w . ja v a 2 s . c o m*/ public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String originalThreadName = Thread.currentThread().getName(); try { if (proxy instanceof MirthServlet) { try { MirthServlet mirthServlet = (MirthServlet) proxy; Map<Method, MethodInfo> methodMap = infoMap.get(proxy.getClass()); if (methodMap == null) { methodMap = new ConcurrentHashMap<Method, MethodInfo>(); infoMap.put(mirthServlet.getClass(), methodMap); } MethodInfo methodInfo = methodMap.get(method); if (methodInfo == null) { methodInfo = new MethodInfo(); methodMap.put(method, methodInfo); } Operation operation = methodInfo.getOperation(); if (operation == null) { /* * Get the operation from the MirthOperation annotation present on * the interface method. */ Class<?> clazz = proxy.getClass(); while (clazz != null && operation == null) { for (Class<?> interfaceClass : clazz.getInterfaces()) { if (BaseServletInterface.class.isAssignableFrom(interfaceClass)) { operation = OperationUtil.getOperation(interfaceClass, method); if (operation != null) { methodInfo.setOperation(operation); break; } } } clazz = clazz.getSuperclass(); } } mirthServlet.setOperation(operation); // Set thread name based on the servlet class and operation name Thread.currentThread().setName(mirthServlet.getClass().getSimpleName() + " Thread (" + operation.getDisplayName() + ") < " + originalThreadName); /* * If a DontCheckAuthorized annotation is present on the server * implementation method, then no auditing is done now and the servlet * is expected to call checkUserAuthorized. Two other optional * annotations determine whether the channel/user ID should be used in * the authorization check. */ Boolean checkAuthorized = methodInfo.getCheckAuthorized(); if (checkAuthorized == null) { checkAuthorized = true; Method matchingMethod = mirthServlet.getClass().getMethod(method.getName(), method.getParameterTypes()); if (matchingMethod != null) { checkAuthorized = matchingMethod .getAnnotation(DontCheckAuthorized.class) == null; methodInfo.setCheckAuthorizedChannelId( matchingMethod.getAnnotation(CheckAuthorizedChannelId.class)); methodInfo.setCheckAuthorizedUserId( matchingMethod.getAnnotation(CheckAuthorizedUserId.class)); } methodInfo.setCheckAuthorized(checkAuthorized); } if (checkAuthorized) { /* * We need to know what parameter index the channel/user ID resides * at so we can correctly include it with the authorization request. */ Integer channelIdIndex = methodInfo.getChannelIdIndex(); Integer userIdIndex = methodInfo.getUserIdIndex(); if (args.length > 0) { List<String> paramNames = methodInfo.getParamNames(); if (paramNames == null) { paramNames = new ArrayList<String>(); List<Integer> notFoundIndicies = new ArrayList<Integer>(); /* * The Param annotation lets us know at runtime the name to * use when adding entries into the parameter map, which * will eventually be stored in the event logs. */ int count = 0; for (Annotation[] paramAnnotations : method.getParameterAnnotations()) { boolean found = false; for (Annotation annotation : paramAnnotations) { if (annotation instanceof Param) { Param param = (Param) annotation; // Set the name to null if we're not including it in the parameter map paramNames.add(param.excludeFromAudit() ? null : param.value()); found = true; break; } } if (!found) { notFoundIndicies.add(count); paramNames.add(null); } count++; } // For each parameter name that wasn't found, replace it with a default name to use in the parameter map if (CollectionUtils.isNotEmpty(notFoundIndicies)) { for (Integer index : notFoundIndicies) { paramNames.set(index, getDefaultParamName(paramNames)); } } methodInfo.setParamNames(paramNames); } // Add all arguments to the parameter map, except those that had excludeFromAudit enabled. for (int i = 0; i < args.length; i++) { String paramName = paramNames.get(i); if (paramName != null) { mirthServlet.addToParameterMap(paramNames.get(i), args[i]); } } if (channelIdIndex == null) { channelIdIndex = -1; if (methodInfo.getCheckAuthorizedChannelId() != null) { channelIdIndex = paramNames .indexOf(methodInfo.getCheckAuthorizedChannelId().paramName()); } methodInfo.setChannelIdIndex(channelIdIndex); } if (userIdIndex == null) { userIdIndex = -1; if (methodInfo.getCheckAuthorizedUserId() != null) { userIdIndex = paramNames .indexOf(methodInfo.getCheckAuthorizedUserId().paramName()); } methodInfo.setUserIdIndex(userIdIndex); } } // Authorize the request if (channelIdIndex != null && channelIdIndex >= 0) { mirthServlet.checkUserAuthorized((String) args[channelIdIndex]); } else if (userIdIndex != null && userIdIndex >= 0) { mirthServlet.checkUserAuthorized((Integer) args[userIdIndex], methodInfo.getCheckAuthorizedUserId().auditCurrentUser()); } else { mirthServlet.checkUserAuthorized(); } } } catch (Throwable t) { Throwable converted = convertThrowable(t, new HashSet<Throwable>()); if (converted != null) { t = converted; } if (!(t instanceof WebApplicationException)) { t = new MirthApiException(t); } throw new InvocationTargetException(t); } } try { return method.invoke(proxy, args); } catch (InvocationTargetException e) { Throwable converted = convertThrowable(e, new HashSet<Throwable>()); if (converted != null && converted instanceof InvocationTargetException) { e = (InvocationTargetException) converted; } throw e; } } finally { Thread.currentThread().setName(originalThreadName); } } }; }
From source file:org.eclipse.wb.internal.rcp.model.rcp.PageInfo.java
@Override protected void applyActionBars() throws Exception { ClassLoader editorLoader = JavaInfoUtils.getClassLoader(this); Class<?> pageSiteClass = editorLoader.loadClass("org.eclipse.ui.part.IPageSite"); // create IPageSite final Object pageSite = Proxy.newProxyInstance(editorLoader, new Class<?>[] { pageSiteClass }, new InvocationHandler() { public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { String signature = ReflectionUtils.getMethodSignature(method); if (signature.equals("getActionBars()")) { return m_actionBars; }/*from w w w.j a va 2 s . c o m*/ if (signature .equals("setSelectionProvider(org.eclipse.jface.viewers.ISelectionProvider)")) { return null; } throw new NotImplementedException(); } }); // call init(IPageSite) ReflectionUtils.invokeMethod(getObject(), "init(org.eclipse.ui.part.IPageSite)", pageSite); }