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

   * creates a proxy that dispatches invocations to the currently bound {@link ProcessInstance}
   *
   * @return shareable {@link ProcessInstance}
   */
  private Object createSharedProcessInstance()   {
    ProxyFactory proxyFactoryBean = new ProxyFactory(ProcessInstance.class, new MethodInterceptor() {
      public Object invoke(MethodInvocation methodInvocation) throws Throwable {
        String methodName = methodInvocation.getMethod().getName() ;


        logger.info("method invocation for " + methodName+ ".");
        if(methodName.equals("toString"))
          return "SharedProcessInstance";




        ProcessInstance processInstance = Context.getExecutionContext().getProcessInstance();
        Method method = methodInvocation.getMethod();
        Object[] args = methodInvocation.getArguments();
        Object result = method.invoke(processInstance, args);
        return result;
      }
    });
    return proxyFactoryBean.getProxy(this.classLoader);
  }

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    Assert.notNull(this.processEngine, "the 'processEngine' must not be null!");
    this.runtimeService = this.processEngine.getRuntimeService();
  }


  private Object createDirtyCheckingProxy(final String name, final Object scopedObject) throws Throwable {
    ProxyFactory proxyFactoryBean = new ProxyFactory(scopedObject);
    proxyFactoryBean.setProxyTargetClass(this.proxyTargetClass);
    proxyFactoryBean.addAdvice(new MethodInterceptor() {
      public Object invoke(MethodInvocation methodInvocation) throws Throwable {
        Object result = methodInvocation.proceed();
        persistVariable(name, scopedObject);
        return result;
      }
    });
    return proxyFactoryBean.getProxy(this.classLoader);
  }

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    public Object getObject() throws Exception {
        if (this.embeddedServlet == null) {
            throw new FactoryBeanNotInitializedException("There might be a circular dependency inside the servlet connections.");
        }
        ProxyFactory proxyFactory = new ProxyFactory(this.embeddedServlet);
        proxyFactory.addAdvice(new ServiceInterceptor());
        if (this.mountPath != null) {
            proxyFactory.addAdvisor(new MountableMixinAdvisor());
        }
        return proxyFactory.getProxy();
    }

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public class HelloWorldWithPointcut {


    public static void main(String[] args) {


        // get proxy
        ProxyFactory pf = new ProxyFactory();
        pf.addAdvisor(new DefaultPointcutAdvisor(new SimpleBeforeAdvice()));
        
        pf.setTarget(new MessageWriter());
        MessageWriter proxy1 = (MessageWriter)pf.getProxy();
        
        pf.setTarget(new MessageWriter());
        MessageWriter proxy2 = (MessageWriter)pf.getProxy();
        proxy2.writeMessage();
        
        pf.setTarget(new ErrorBean());
        ErrorBean proxy3 = (ErrorBean)pf.getProxy();
        proxy3.hashCode();
        
    }

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public class SimpleThrowsAdvice implements ThrowsAdvice {


    public static void main(String[] args) throws Exception {
        ErrorBean errorBean = new ErrorBean();


        ProxyFactory pf = new ProxyFactory();
        pf.setTarget(errorBean);
        pf.addAdvice(new SimpleThrowsAdvice());


        ErrorBean proxy = (ErrorBean) pf.getProxy();


        try {
            proxy.errorProneMethod();
        } catch (Exception ignored) {

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    public static void main(String[] args) {
        MessageWriter target = new MessageWriter();


        // create the proxy
        ProxyFactory pf = new ProxyFactory();


        pf.addAdvice(new SimpleAfterReturningAdvice());
        pf.setTarget(target);


        MessageWriter proxy = (MessageWriter) pf.getProxy();


        // write the messages
        proxy.writeMessage();
    }

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    public static void main(String[] args) {
        MessageWriter target = new MessageWriter();
        
        // create the proxy
        ProxyFactory pf = new ProxyFactory();


        pf.addAdvice(new MessageDecorator());
        pf.setTarget(target);




        MessageWriter proxy = (MessageWriter) pf.getProxy();
        
        // write the messages
        target.writeMessage();
        System.out.println("");
        proxy.writeMessage();

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        Pointcut pc = new SimpleStaticPointcut();
        Advice advice = new SimpleAdvice();
        Advisor advisor = new DefaultPointcutAdvisor(pc, advice);
        
        // create BeanOne proxy
        ProxyFactory pf = new ProxyFactory();
        pf.addAdvisor(advisor);
        pf.setTarget(one);
        proxyOne = (BeanOne)pf.getProxy();
        
        // create BeanTwo proxy
        pf = new ProxyFactory();
        pf.addAdvisor(advisor);
        pf.setTarget(two);
        proxyTwo = (BeanTwo)pf.getProxy();
        
        proxyOne.foo();
        proxyTwo.foo();
        
        proxyOne.bar();

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    public static void main(String[] args) {
        MessageWriter target = new MessageWriter();


        // create the proxy
        ProxyFactory pf = new ProxyFactory();


        pf.addAdvice(new SimpleBeforeAdvice());
        pf.setTarget(target);


        MessageWriter proxy = (MessageWriter) pf.getProxy();


        // write the messages
        proxy.writeMessage();
    }

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    }
    
    private static WorkerBean getWorkerBean() {
        WorkerBean target = new WorkerBean();
        
        ProxyFactory factory = new ProxyFactory();
        factory.setTarget(target);
        factory.addAdvice(new ProfilingInterceptor());
        
        return (WorkerBean)factory.getProxy();
    }

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