Examples of org.springframework.aop.framework.ProxyFactory

Package org.springframework.aop.framework

Examples of org.springframework.aop.framework.ProxyFactory

org.springframework.aop.framework.ProxyFactory
Factory for AOP proxies for programmatic use, rather than via a bean factory. This class provides a simple way of obtaining and configuring AOP proxies in code. @author Rod Johnson @author Juergen Hoeller @author Rob Harrop @since 14.03.2003


        Advisor advisor = new DefaultPointcutAdvisor(pc,
                new SimpleBeforeAdvice());


        // create the proxy
        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(target);
        pf.addAdvisor(advisor);


        return (SampleBean) pf.getProxy();
    }

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        // create the advisor
        IntroductionAdvisor advisor = new IsModifiedAdvisor();


        // create the proxy
        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(target);
        pf.addAdvisor(advisor);
        pf.setOptimize(true);
        
        TargetBean proxy = (TargetBean)pf.getProxy();
        IsModified proxyInterface = (IsModified)proxy;
        
        // test interfaces
        System.out.println("Is TargetBean?: " + (proxy instanceof TargetBean));
        System.out.println("Is IsModified?: " + (proxy instanceof IsModified));

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   * @see #buildAdvisors
   */
  protected Object createProxy(
      Class beanClass, String beanName, Object[] specificInterceptors, TargetSource targetSource) {


    ProxyFactory proxyFactory = new ProxyFactory();
    // Copy our properties (proxyTargetClass etc) inherited from ProxyConfig.
    proxyFactory.copyFrom(this);


    if (!shouldProxyTargetClass(beanClass, beanName)) {
      // Must allow for introductions; can't just set interfaces to
      // the target's interfaces only.
      Class[] targetInterfaces = ClassUtils.getAllInterfacesForClass(beanClass, this.proxyClassLoader);
      for (int i = 0; i < targetInterfaces.length; i++) {
        proxyFactory.addInterface(targetInterfaces[i]);
      }
    }


    Advisor[] advisors = buildAdvisors(beanName, specificInterceptors);
    for (int i = 0; i < advisors.length; i++) {
      proxyFactory.addAdvisor(advisors[i]);
    }


    proxyFactory.setTargetSource(targetSource);
    customizeProxyFactory(proxyFactory);


    proxyFactory.setFrozen(this.freezeProxy);
    if (advisorsPreFiltered()) {
      proxyFactory.setPreFiltered(true);
    }


    return proxyFactory.getProxy(this.proxyClassLoader);
  }

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    }
    ConfigurableBeanFactory cbf = (ConfigurableBeanFactory) beanFactory;


    this.scopedTargetSource.setBeanFactory(beanFactory);


    ProxyFactory pf = new ProxyFactory();
    pf.copyFrom(this);
    pf.setTargetSource(this.scopedTargetSource);


    Class beanType = beanFactory.getType(this.targetBeanName);
    if (beanType == null) {
      throw new IllegalStateException("Cannot create scoped proxy for bean '" + this.targetBeanName +
          "': Target type could not be determined at the time of proxy creation.");
    }
    if (!isProxyTargetClass() || beanType.isInterface() || Modifier.isPrivate(beanType.getModifiers())) {
      pf.setInterfaces(ClassUtils.getAllInterfacesForClass(beanType, cbf.getBeanClassLoader()));
    }


    // Add an introduction that implements only the methods on ScopedObject.
    ScopedObject scopedObject = new DefaultScopedObject(cbf, this.scopedTargetSource.getTargetBeanName());
    pf.addAdvice(new DelegatingIntroductionInterceptor(scopedObject));


    // Add the AopInfrastructureBean marker to indicate that the scoped proxy
    // itself is not subject to auto-proxying! Only its target bean is.
    pf.addInterface(AopInfrastructureBean.class);


    this.proxy = pf.getProxy(cbf.getBeanClassLoader());
  }

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  public void afterPropertiesSet() {
    super.afterPropertiesSet();
    if (getServiceInterface() == null) {
      throw new IllegalArgumentException("Property 'serviceInterface' is required");
    }
    this.serviceProxy = new ProxyFactory(getServiceInterface(), this).getProxy(getBeanClassLoader());
  }

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  public void afterPropertiesSet() throws NamingException {
    super.afterPropertiesSet();
    if (getServiceInterface() == null) {
      throw new IllegalArgumentException("Property 'serviceInterface' is required");
    }
    this.serviceProxy = new ProxyFactory(getServiceInterface(), this).getProxy(this.beanClassLoader);
  }

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   * @see RemoteInvocationTraceInterceptor
   */
  protected Object getProxyForService() {
    checkService();
    checkServiceInterface();
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.addInterface(getServiceInterface());
    if (this.registerTraceInterceptor != null ?
        this.registerTraceInterceptor.booleanValue() : this.interceptors == null) {
      proxyFactory.addAdvice(new RemoteInvocationTraceInterceptor(getExporterName()));
    }
    if (this.interceptors != null) {
      AdvisorAdapterRegistry adapterRegistry = GlobalAdvisorAdapterRegistry.getInstance();
      for (int i = 0; i < this.interceptors.length; i++) {
        proxyFactory.addAdvisor(adapterRegistry.wrap(this.interceptors[i]));
      }
    }
    proxyFactory.setTarget(getService());
    return proxyFactory.getProxy(getBeanClassLoader());
  }

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    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
      return bean;
    }


    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
      ProxyFactory pf = new ProxyFactory(bean);
      return pf.getProxy();
    }

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    this.ti = new TransactionInterceptor(this.ptm, this.source);
  }




  public void testClassLevelOnly() {
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setTarget(new TestClassLevelOnly());
    proxyFactory.addAdvice(this.ti);


    TestClassLevelOnly proxy = (TestClassLevelOnly) proxyFactory.getProxy();


    proxy.doSomething();
    assertGetTransactionAndCommitCount(1);


    proxy.doSomethingElse();

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    proxy.doSomethingElse();
    assertGetTransactionAndCommitCount(4);
  }


  public void testWithSingleMethodOverride() {
    ProxyFactory proxyFactory = new ProxyFactory();
    proxyFactory.setTarget(new TestWithSingleMethodOverride());
    proxyFactory.addAdvice(this.ti);


    TestWithSingleMethodOverride proxy = (TestWithSingleMethodOverride) proxyFactory.getProxy();


    proxy.doSomething();
    assertGetTransactionAndCommitCount(1);


    proxy.doSomethingElse();

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