Java Code Examples for org.springframework.cglib.proxy.Enhancer

The following examples show how to use org.springframework.cglib.proxy.Enhancer. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: conf4j   Source File: CglibStaticConfigurationInstanceCreator.java    License: MIT License 6 votes vote down vote up
@Override
@SuppressWarnings("unchecked")
public <T> T createInstance(ConfigurationModel configurationModel, ClassLoader classLoader) {
    Class<?> configurationType = configurationModel.getConfigurationType();

    Enhancer enhancer = new Enhancer();
    enhancer.setClassLoader(classLoader);
    enhancer.setNamingPolicy(Conf4jNamingPolicy.INSTANCE);
    enhancer.setInterceptDuringConstruction(false);
    if (configurationType.isInterface()) {
        enhancer.setInterfaces(new Class<?>[]{configurationType, Serializable.class});
    } else {
        enhancer.setSuperclass(configurationType);
        enhancer.setInterfaces(new Class<?>[]{Serializable.class});
    }
    enhancer.setCallbackFilter(new ProxyCallbackFilter(configurationModel));
    enhancer.setCallbacks(new Callback[]{
            new CglibStaticConfigurationMethodInterceptor(configurationModel),
            new SerializableNoOp(),
    });

    return (T) enhancer.create();
}
 
Example 2
Source Project: conf4j   Source File: CglibDynamicConfigurationInstanceCreator.java    License: MIT License 6 votes vote down vote up
@Override
public <T> T createInstance(ConfigurationModel configurationModel, ClassLoader classLoader) {
    Class<?> configurationType = configurationModel.getConfigurationType();

    Enhancer enhancer = new Enhancer();
    enhancer.setClassLoader(classLoader);
    enhancer.setNamingPolicy(Conf4jNamingPolicy.INSTANCE);
    enhancer.setInterceptDuringConstruction(false);
    if (configurationType.isInterface()) {
        enhancer.setInterfaces(new Class<?>[]{configurationType, DynamicConfiguration.class});
    } else {
        enhancer.setSuperclass(configurationType);
        enhancer.setInterfaces(new Class<?>[]{DynamicConfiguration.class});
    }
    enhancer.setCallbackFilter(new ProxyCallbackFilter(configurationModel));
    enhancer.setCallbacks(new Callback[]{
            new CglibDynamicConfigurationMethodInterceptor(configurationModel),
            new SerializableNoOp()
    });

    @SuppressWarnings("unchecked")
    T instance = (T) enhancer.create();
    return instance;
}
 
Example 3
Source Project: syndesis   Source File: Recordings.java    License: Apache License 2.0 6 votes vote down vote up
static public <T> T recorder(Object object, Class<T> as) {
    if (as.isInterface()) {
        // If it's just an interface, use standard java reflect proxying
        return as.cast(Proxy.newProxyInstance(as.getClassLoader(), new Class<?>[] { as }, new RecordingInvocationHandler(object)));
    }

    // If it's a class then use gclib to implement a subclass to implement proxying
    RecordingInvocationHandler ih = new RecordingInvocationHandler(object);
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(as);
    enhancer.setInterfaces(new Class<?>[]{RecordingProxy.class});
    enhancer.setCallback(new org.springframework.cglib.proxy.InvocationHandler() {
        @Override
        public Object invoke(Object o, Method method, Object[] objects) throws Throwable {
            return ih.invoke(o, method, objects);
        }
    });
    return as.cast(enhancer.create());
}
 
Example 4
Source Project: specification-arg-resolver   Source File: EnhancerUtil.java    License: Apache License 2.0 6 votes vote down vote up
@SuppressWarnings("unchecked")
static <T> T wrapWithIfaceImplementation(final Class<T> iface, final Specification<Object> targetSpec) {
   	Enhancer enhancer = new Enhancer();
	enhancer.setInterfaces(new Class[] { iface });
	enhancer.setCallback(new MethodInterceptor() {
           @Override
           public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {
           	if ("toString".equals(method.getName())) {
           		return iface.getSimpleName() + "[" + proxy.invoke(targetSpec, args) + "]";
           	}
           	return proxy.invoke(targetSpec, args);
           }
       });
	
	return (T) enhancer.create();
   }
 
Example 5
Source Project: mica   Source File: DomMapper.java    License: GNU Lesser General Public License v3.0 5 votes vote down vote up
/**
 * 读取 xml 信息为 java Bean
 *
 * @param doc   xml element
 * @param clazz bean Class
 * @param <T>   泛型
 * @return 对象
 */
@SuppressWarnings("unchecked")
public static <T> T readValue(final Element doc, final Class<T> clazz) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(clazz);
	enhancer.setUseCache(true);
	enhancer.setCallback(new CssQueryMethodInterceptor(clazz, doc));
	return (T) enhancer.create();
}
 
Example 6
Source Project: spring-analysis-note   Source File: CglibAopProxy.java    License: MIT License 5 votes vote down vote up
protected Object createProxyClassAndInstance(Enhancer enhancer, Callback[] callbacks) {
	enhancer.setInterceptDuringConstruction(false);
	enhancer.setCallbacks(callbacks);
	return (this.constructorArgs != null && this.constructorArgTypes != null ?
			enhancer.create(this.constructorArgTypes, this.constructorArgs) :
			enhancer.create());
}
 
Example 7
Source Project: spring-analysis-note   Source File: ConfigurationClassEnhancer.java    License: MIT License 5 votes vote down vote up
/**
 * Creates a new CGLIB {@link Enhancer} instance.
 */
private Enhancer newEnhancer(Class<?> configSuperClass, @Nullable ClassLoader classLoader) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(configSuperClass);
	enhancer.setInterfaces(new Class<?>[] {EnhancedConfiguration.class});
	enhancer.setUseFactory(false);
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	enhancer.setStrategy(new BeanFactoryAwareGeneratorStrategy(classLoader));
	enhancer.setCallbackFilter(CALLBACK_FILTER);
	enhancer.setCallbackTypes(CALLBACK_FILTER.getCallbackTypes());
	return enhancer;
}
 
Example 8
Source Project: spring-analysis-note   Source File: ConfigurationClassEnhancer.java    License: MIT License 5 votes vote down vote up
/**
 * Uses enhancer to generate a subclass of superclass,
 * ensuring that callbacks are registered for the new subclass.
 */
private Class<?> createClass(Enhancer enhancer) {
	Class<?> subclass = enhancer.createClass();
	// Registering callbacks statically (as opposed to thread-local)
	// is critical for usage in an OSGi environment (SPR-5932)...
	Enhancer.registerStaticCallbacks(subclass, CALLBACKS);
	return subclass;
}
 
Example 9
/**
 * Create an enhanced subclass of the bean class for the provided bean
 * definition, using CGLIB.
 */
private Class<?> createEnhancedSubclass(RootBeanDefinition beanDefinition) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(beanDefinition.getBeanClass());
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	if (this.owner instanceof ConfigurableBeanFactory) {
		ClassLoader cl = ((ConfigurableBeanFactory) this.owner).getBeanClassLoader();
		enhancer.setStrategy(new ClassLoaderAwareGeneratorStrategy(cl));
	}
	enhancer.setCallbackFilter(new MethodOverrideCallbackFilter(beanDefinition));
	enhancer.setCallbackTypes(CALLBACK_TYPES);
	return enhancer.createClass();
}
 
Example 10
Source Project: java-master   Source File: DubboUtils.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("ALL")
public static <T> T getService(Class<T> dubboServiceClass, String group, String version, String host) {
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(dubboServiceClass);
    enhancer.setCallback((MethodInterceptor) (obj, method, args, proxy) -> {
        ReferenceConfig<GenericService> reference = getReferenceConfig(dubboServiceClass, group, version, host);
        GenericService genericService = reference.get();
        Object result = genericService.$invoke(method.getName(), getMethodParamType(method), args);
        String resJsonStr = OMUtils.objectMapper().writeValueAsString(result);
        return OMUtils.objectMapper().readValue(resJsonStr, method.getReturnType());
    });
    Object service = enhancer.create();
    return (T) service;
}
 
Example 11
Source Project: java-technology-stack   Source File: CglibAopProxy.java    License: MIT License 5 votes vote down vote up
protected Object createProxyClassAndInstance(Enhancer enhancer, Callback[] callbacks) {
	enhancer.setInterceptDuringConstruction(false);
	enhancer.setCallbacks(callbacks);
	return (this.constructorArgs != null && this.constructorArgTypes != null ?
			enhancer.create(this.constructorArgTypes, this.constructorArgs) :
			enhancer.create());
}
 
Example 12
Source Project: java-technology-stack   Source File: ConfigurationClassEnhancer.java    License: MIT License 5 votes vote down vote up
/**
 * Creates a new CGLIB {@link Enhancer} instance.
 */
private Enhancer newEnhancer(Class<?> configSuperClass, @Nullable ClassLoader classLoader) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(configSuperClass);
	enhancer.setInterfaces(new Class<?>[] {EnhancedConfiguration.class});
	enhancer.setUseFactory(false);
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	enhancer.setStrategy(new BeanFactoryAwareGeneratorStrategy(classLoader));
	enhancer.setCallbackFilter(CALLBACK_FILTER);
	enhancer.setCallbackTypes(CALLBACK_FILTER.getCallbackTypes());
	return enhancer;
}
 
Example 13
Source Project: java-technology-stack   Source File: ConfigurationClassEnhancer.java    License: MIT License 5 votes vote down vote up
/**
 * Uses enhancer to generate a subclass of superclass,
 * ensuring that callbacks are registered for the new subclass.
 */
private Class<?> createClass(Enhancer enhancer) {
	Class<?> subclass = enhancer.createClass();
	// Registering callbacks statically (as opposed to thread-local)
	// is critical for usage in an OSGi environment (SPR-5932)...
	Enhancer.registerStaticCallbacks(subclass, CALLBACKS);
	return subclass;
}
 
Example 14
/**
 * Create an enhanced subclass of the bean class for the provided bean
 * definition, using CGLIB.
 */
private Class<?> createEnhancedSubclass(RootBeanDefinition beanDefinition) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(beanDefinition.getBeanClass());
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	if (this.owner instanceof ConfigurableBeanFactory) {
		ClassLoader cl = ((ConfigurableBeanFactory) this.owner).getBeanClassLoader();
		enhancer.setStrategy(new ClassLoaderAwareGeneratorStrategy(cl));
	}
	enhancer.setCallbackFilter(new MethodOverrideCallbackFilter(beanDefinition));
	enhancer.setCallbackTypes(CALLBACK_TYPES);
	return enhancer.createClass();
}
 
Example 15
Source Project: DesignPatterns   Source File: ProxyFactory.java    License: Apache License 2.0 5 votes vote down vote up
public Object getProxyInstance(){
    //1.工具类
    Enhancer en = new Enhancer();
    //2.设置父类
    en.setSuperclass(target.getClass());
    //3.设置回调函数
    en.setCallback(this);
    //4.创建子类(代理对象)
    return en.create();
}
 
Example 16
Source Project: api-layer   Source File: HttpClientProxyConfig.java    License: Eclipse Public License 2.0 5 votes vote down vote up
@Bean
public CloseableHttpClient httpClientProxy() {
    Enhancer e = new Enhancer();
    e.setSuperclass(CloseableHttpClient.class);
    e.setCallback((MethodInterceptor) (o, method, objects, methodProxy) ->
        {
            if (method.getName().equals("execute") && objects.length > 0 && objects[0] instanceof HttpRequest) {
                serviceAuthenticationDecorator.process((HttpRequest) objects[0]);
            }
            return method.invoke(clientChooser.chooseClient(), objects);
        }
    );
    return (CloseableHttpClient) e.create();
}
 
Example 17
Source Project: COLA   Source File: MockHelper.java    License: GNU Lesser General Public License v2.1 5 votes vote down vote up
public static Class createMockClass(Class clazz){
    Enhancer enhancer = new Enhancer();
    enhancer.setUseFactory(true);
    enhancer.setNamingPolicy(ColaNamingPolicy.INSTANCE);
    enhancer.setSerialVersionUID(42L);
    enhancer.setSuperclass(clazz);
    enhancer.setCallbackTypes(new Class[]{MethodInterceptor.class});
    return enhancer.createClass();
}
 
Example 18
@Override
@SuppressWarnings("unchecked")
public T create(Throwable cause) {
	final Class<T> targetType = target.type();
	final String targetName = target.name();
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(targetType);
	enhancer.setUseCache(true);
	enhancer.setCallback(new BladeFeignFallback<>(targetType, targetName, cause));
	return (T) enhancer.create();
}
 
Example 19
Source Project: eagle   Source File: EagleTraceCglibProxy.java    License: Apache License 2.0 5 votes vote down vote up
protected Object createProxyClassAndInstance(Enhancer enhancer, Callback[] callbacks) {
    enhancer.setInterceptDuringConstruction(false);
    enhancer.setCallbacks(callbacks);
    return (this.constructorArgs != null ?
            enhancer.create(this.constructorArgTypes, this.constructorArgs) :
            enhancer.create());
}
 
Example 20
Source Project: spring-data   Source File: AbstractResolver.java    License: Apache License 2.0 5 votes vote down vote up
private Class<?> enhancedTypeFor(final Class<?> type) {
	final Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(type);
	enhancer.setCallbackType(org.springframework.cglib.proxy.MethodInterceptor.class);
	enhancer.setInterfaces(new Class[] { LazyLoadingProxy.class });
	return enhancer.createClass();
}
 
Example 21
/**
 * Creates a new CGLIB {@link Enhancer} instance.
 */
private Enhancer newEnhancer(Class<?> superclass, ClassLoader classLoader) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(superclass);
	enhancer.setInterfaces(new Class<?>[] {EnhancedConfiguration.class});
	enhancer.setUseFactory(false);
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	enhancer.setStrategy(new BeanFactoryAwareGeneratorStrategy(classLoader));
	enhancer.setCallbackFilter(CALLBACK_FILTER);
	enhancer.setCallbackTypes(CALLBACK_FILTER.getCallbackTypes());
	return enhancer;
}
 
Example 22
/**
 * Uses enhancer to generate a subclass of superclass,
 * ensuring that callbacks are registered for the new subclass.
 */
private Class<?> createClass(Enhancer enhancer) {
	Class<?> subclass = enhancer.createClass();
	// Registering callbacks statically (as opposed to thread-local)
	// is critical for usage in an OSGi environment (SPR-5932)...
	Enhancer.registerStaticCallbacks(subclass, CALLBACKS);
	return subclass;
}
 
Example 23
/**
 * Create an enhanced subclass of the bean class for the provided bean
 * definition, using CGLIB.
 */
private Class<?> createEnhancedSubclass(RootBeanDefinition beanDefinition) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(beanDefinition.getBeanClass());
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	if (this.owner instanceof ConfigurableBeanFactory) {
		ClassLoader cl = ((ConfigurableBeanFactory) this.owner).getBeanClassLoader();
		enhancer.setStrategy(new ClassLoaderAwareGeneratorStrategy(cl));
	}
	enhancer.setCallbackFilter(new MethodOverrideCallbackFilter(beanDefinition));
	enhancer.setCallbackTypes(CALLBACK_TYPES);
	return enhancer.createClass();
}
 
Example 24
Source Project: lams   Source File: CglibAopProxy.java    License: GNU General Public License v2.0 5 votes vote down vote up
protected Object createProxyClassAndInstance(Enhancer enhancer, Callback[] callbacks) {
	enhancer.setInterceptDuringConstruction(false);
	enhancer.setCallbacks(callbacks);
	return (this.constructorArgs != null ?
			enhancer.create(this.constructorArgTypes, this.constructorArgs) :
			enhancer.create());
}
 
Example 25
Source Project: spring-cloud-gcp   Source File: LazyUtil.java    License: Apache License 2.0 5 votes vote down vote up
private static Class<?> getEnhancedTypeFor(Class<?> type) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(type);
	enhancer.setCallbackType(org.springframework.cglib.proxy.MethodInterceptor.class);

	return enhancer.createClass();
}
 
Example 26
/**
 * Create an enhanced subclass of the bean class for the provided bean
 * definition, using CGLIB.
 */
private Class<?> createEnhancedSubclass(RootBeanDefinition beanDefinition) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(beanDefinition.getBeanClass());
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	enhancer.setCallbackFilter(new MethodOverrideCallbackFilter(beanDefinition));
	enhancer.setCallbackTypes(CALLBACK_TYPES);
	return enhancer.createClass();
}
 
Example 27
Source Project: spring4-understanding   Source File: CglibAopProxy.java    License: Apache License 2.0 5 votes vote down vote up
protected Object createProxyClassAndInstance(Enhancer enhancer, Callback[] callbacks) {
	enhancer.setInterceptDuringConstruction(false);
	enhancer.setCallbacks(callbacks);
	return (this.constructorArgs != null ?
			enhancer.create(this.constructorArgTypes, this.constructorArgs) :
			enhancer.create());
}
 
Example 28
/**
 * Creates a new CGLIB {@link Enhancer} instance.
 */
private Enhancer newEnhancer(Class<?> superclass, ClassLoader classLoader) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(superclass);
	enhancer.setInterfaces(new Class<?>[] {EnhancedConfiguration.class});
	enhancer.setUseFactory(false);
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	enhancer.setStrategy(new BeanFactoryAwareGeneratorStrategy(classLoader));
	enhancer.setCallbackFilter(CALLBACK_FILTER);
	enhancer.setCallbackTypes(CALLBACK_FILTER.getCallbackTypes());
	return enhancer;
}
 
Example 29
/**
 * Uses enhancer to generate a subclass of superclass,
 * ensuring that callbacks are registered for the new subclass.
 */
private Class<?> createClass(Enhancer enhancer) {
	Class<?> subclass = enhancer.createClass();
	// Registering callbacks statically (as opposed to thread-local)
	// is critical for usage in an OSGi environment (SPR-5932)...
	Enhancer.registerStaticCallbacks(subclass, CALLBACKS);
	return subclass;
}
 
Example 30
/**
 * Create an enhanced subclass of the bean class for the provided bean
 * definition, using CGLIB.
 */
private Class<?> createEnhancedSubclass(RootBeanDefinition beanDefinition) {
	Enhancer enhancer = new Enhancer();
	enhancer.setSuperclass(beanDefinition.getBeanClass());
	enhancer.setNamingPolicy(SpringNamingPolicy.INSTANCE);
	if (this.owner instanceof ConfigurableBeanFactory) {
		ClassLoader cl = ((ConfigurableBeanFactory) this.owner).getBeanClassLoader();
		enhancer.setStrategy(new ClassLoaderAwareGeneratorStrategy(cl));
	}
	enhancer.setCallbackFilter(new MethodOverrideCallbackFilter(beanDefinition));
	enhancer.setCallbackTypes(CALLBACK_TYPES);
	return enhancer.createClass();
}