Examples with MethodHandler javassist.util.proxy.MethodHandler used on opensource projects

Example 11 with MethodHandler

use of javassist.util.proxy.MethodHandler in project jbosstools-hibernate by jbosstools.

the class ForeignKeyFacadeTest method setUp.

@Before
public void setUp() throws Exception {
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setSuperclass(ForeignKey.class);
    Class<?> proxyClass = proxyFactory.createClass();
    foreignKey = (ForeignKey) proxyClass.newInstance();
    ((ProxyObject) foreignKey).setHandler(new MethodHandler() {

        @Override
        public Object invoke(Object self, Method m, Method proceed, Object[] args) throws Throwable {
            if (methodName == null) {
                methodName = m.getName();
            }
            if (arguments == null) {
                arguments = args;
            }
            return proceed.invoke(self, args);
        }
    });
    foreignKeyFacade = new AbstractForeignKeyFacade(FACADE_FACTORY, foreignKey) {
    };
    reset();
}

Example 12 with MethodHandler

use of javassist.util.proxy.MethodHandler in project jbosstools-hibernate by jbosstools.

the class GenericExporterFacadeTest method setUp.

@Before
public void setUp() throws Exception {
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setSuperclass(GenericExporter.class);
    Class<?> proxyClass = proxyFactory.createClass();
    genericExporter = (GenericExporter) proxyClass.newInstance();
    ((ProxyObject) genericExporter).setHandler(new MethodHandler() {

        @Override
        public Object invoke(Object self, Method m, Method proceed, Object[] args) throws Throwable {
            if (methodName == null) {
                methodName = m.getName();
            }
            if (arguments == null) {
                arguments = args;
            }
            return proceed.invoke(self, args);
        }
    });
    genericExporterFacade = new AbstractGenericExporterFacade(FACADE_FACTORY, genericExporter) {
    };
    reset();
}

Example 13 with MethodHandler

use of javassist.util.proxy.MethodHandler in project jbosstools-hibernate by jbosstools.

the class Hbm2DDLExporterFacadeTest method setUp.

@Before
public void setUp() throws Exception {
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setSuperclass(Hbm2DDLExporter.class);
    Class<?> proxyClass = proxyFactory.createClass();
    hbm2ddlExporter = (Hbm2DDLExporter) proxyClass.newInstance();
    ((ProxyObject) hbm2ddlExporter).setHandler(new MethodHandler() {

        @Override
        public Object invoke(Object self, Method m, Method proceed, Object[] args) throws Throwable {
            if (methodName == null) {
                methodName = m.getName();
            }
            if (arguments == null) {
                arguments = args;
            }
            return proceed.invoke(self, args);
        }
    });
    hbm2DDLExporterFacade = new AbstractHbm2DDLExporterFacade(FACADE_FACTORY, hbm2ddlExporter) {
    };
    reset();
}

Example 14 with MethodHandler

use of javassist.util.proxy.MethodHandler in project fastjson by alibaba.

the class ProxyTest method create.

public static <T> T create(Class<T> classs) throws Exception {
    ProxyFactory factory = new ProxyFactory();
    factory.setSuperclass(classs);
    Class clazz = factory.createClass();
    MethodHandler handler = new MethodHandler() {

        public Object invoke(Object self, Method overridden, Method forwarder, Object[] args) throws Throwable {
            return forwarder.invoke(self, args);
        }
    };
    Object instance = clazz.newInstance();
    ((ProxyObject) instance).setHandler(handler);
    return (T) instance;
}

Example 15 with MethodHandler

use of javassist.util.proxy.MethodHandler in project frames by tinkerpop.

the class JavaHandlerModule method createHandler.

<T> T createHandler(final Object framedElement, final FramedGraph<?> graph, final Element element, Class<?> frameClass, final Method method) {
    try {
        Class<T> implClass = (Class<T>) classCache.get(frameClass);
        T handler = factory.create(implClass);
        ((Proxy) handler).setHandler(new MethodHandler() {

            private JavaHandlerContextImpl<Element> defaultJavahandlerImpl = new JavaHandlerContextImpl<Element>(graph, method, element);

            @Override
            public Object invoke(Object o, Method m, Method proceed, Object[] args) throws Throwable {
                if (!Modifier.isAbstract(m.getModifiers())) {
                    return proceed.invoke(o, args);
                } else {
                    if (m.getAnnotation(JavaHandler.class) != null) {
                        throw new JavaHandlerException("Method " + m + " is marked with @JavaHandler but is not implemented");
                    }
                    if (m.getDeclaringClass() == JavaHandlerContext.class) {
                        return m.invoke(defaultJavahandlerImpl, args);
                    }
                    return m.invoke(framedElement, args);
                }
            }
        });
        return handler;
    } catch (ExecutionException e) {
        Throwable cause = e.getCause();
        if (cause instanceof ClassNotFoundException) {
            throw new JavaHandlerException("Problem locating handler class for " + frameClass, e);
        } else {
            throw new JavaHandlerException("Cannot create class for handling framed method", cause);
        }
    } catch (InstantiationException e) {
        throw new JavaHandlerException("Problem instantiating handler class", e);
    } catch (IllegalAccessException e) {
        throw new JavaHandlerException("Problem instantiating handler class", e);
    }
}