Example usage for org.springframework.cglib.proxy Enhancer setCallbackType

Introduction

In this page you can find the example usage for org.springframework.cglib.proxy Enhancer setCallbackType.

Prototype

public void setCallbackType(Class callbackType) 

Source Link

Document

Set the single type of Callback to use.

Usage

From source file:com.newtranx.util.cassandra.spring.MapperScannerConfigurer.java

@SuppressWarnings("unchecked")
private static <T> T createProxy(final Class<?> classToMock, final MethodInterceptor interceptor) {
    final Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(classToMock);
    enhancer.setCallbackType(interceptor.getClass());
    final Class<?> proxyClass = enhancer.createClass();
    Enhancer.registerCallbacks(proxyClass, new Callback[] { interceptor });
    return (T) ObjenesisHelper.newInstance(proxyClass);
}

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From source file:org.springframework.cloud.iot.coap.method.ResolvableMethod.java

@SuppressWarnings("unchecked")
private static <T> T initProxy(Class<?> type, MethodInvocationInterceptor interceptor) {
    Assert.notNull(type, "'type' must not be null");
    if (type.isInterface()) {
        ProxyFactory factory = new ProxyFactory(EmptyTargetSource.INSTANCE);
        factory.addInterface(type);//from   w w  w.j ava  2 s .c  o m
        factory.addInterface(Supplier.class);
        factory.addAdvice(interceptor);
        return (T) factory.getProxy();
    }

    else {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(type);
        enhancer.setInterfaces(new Class<?>[] { Supplier.class });
        enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
        enhancer.setCallbackType(org.springframework.cglib.proxy.MethodInterceptor.class);

        Class<?> proxyClass = enhancer.createClass();
        Object proxy = null;

        if (objenesis.isWorthTrying()) {
            try {
                proxy = objenesis.newInstance(proxyClass, enhancer.getUseCache());
            } catch (ObjenesisException ex) {
                logger.debug("Objenesis failed, falling back to default constructor", ex);
            }
        }

        if (proxy == null) {
            try {
                proxy = ReflectionUtils.accessibleConstructor(proxyClass).newInstance();
            } catch (Throwable ex) {
                throw new IllegalStateException("Unable to instantiate proxy "
                        + "via both Objenesis and default constructor fails as well", ex);
            }
        }

        ((Factory) proxy).setCallbacks(new Callback[] { interceptor });
        return (T) proxy;
    }
}

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From source file:org.springframework.web.servlet.mvc.method.annotation.MvcUriComponentsBuilder.java

@SuppressWarnings("unchecked")
private static <T> T initProxy(Class<?> type, ControllerMethodInvocationInterceptor interceptor) {
    if (type.isInterface()) {
        ProxyFactory factory = new ProxyFactory(EmptyTargetSource.INSTANCE);
        factory.addInterface(type);/* w  w  w .j a  va  2  s.c  om*/
        factory.addInterface(MethodInvocationInfo.class);
        factory.addAdvice(interceptor);
        return (T) factory.getProxy();
    }

    else {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(type);
        enhancer.setInterfaces(new Class<?>[] { MethodInvocationInfo.class });
        enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
        enhancer.setCallbackType(org.springframework.cglib.proxy.MethodInterceptor.class);

        Class<?> proxyClass = enhancer.createClass();
        Object proxy = null;

        if (objenesis.isWorthTrying()) {
            try {
                proxy = objenesis.newInstance(proxyClass, enhancer.getUseCache());
            } catch (ObjenesisException ex) {
                logger.debug("Unable to instantiate controller proxy using Objenesis, "
                        + "falling back to regular construction", ex);
            }
        }

        if (proxy == null) {
            try {
                proxy = ReflectionUtils.accessibleConstructor(proxyClass).newInstance();
            } catch (Throwable ex) {
                throw new IllegalStateException(
                        "Unable to instantiate controller proxy using Objenesis, "
                                + "and regular controller instantiation via default constructor fails as well",
                        ex);
            }
        }

        ((Factory) proxy).setCallbacks(new Callback[] { interceptor });
        return (T) proxy;
    }
}

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From source file:org.springframework.web.servlet.mvc.support.MvcUrlUtils.java

@SuppressWarnings("unchecked")
private static <T> T initProxy(Class<?> type, ControllerMethodInvocationInterceptor interceptor) {

    if (type.isInterface()) {
        ProxyFactory factory = new ProxyFactory(EmptyTargetSource.INSTANCE);
        factory.addInterface(type);/*from  www. j av a 2s .  com*/
        factory.addInterface(ControllerMethodValues.class);
        factory.addAdvice(interceptor);
        return (T) factory.getProxy();
    } else {
        Enhancer enhancer = new Enhancer();
        enhancer.setSuperclass(type);
        enhancer.setInterfaces(new Class<?>[] { ControllerMethodValues.class });
        enhancer.setCallbackType(org.springframework.cglib.proxy.MethodInterceptor.class);

        Factory factory = (Factory) OBJENESIS.newInstance(enhancer.createClass());
        factory.setCallbacks(new Callback[] { interceptor });
        return (T) factory;
    }
}

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