Package org.springframework.aop.framework

Source Code of org.springframework.aop.framework.ProxyFactoryBeanTests$GlobalIntroductionAdvice

/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.springframework.aop.framework;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.LinkedList;
import java.util.List;

import org.aopalliance.aop.Advice;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.junit.Before;
import org.junit.Test;
import test.mixin.Lockable;
import test.mixin.LockedException;

import org.springframework.aop.ClassFilter;
import org.springframework.aop.IntroductionAdvisor;
import org.springframework.aop.IntroductionInterceptor;
import org.springframework.aop.interceptor.DebugInterceptor;
import org.springframework.aop.support.AopUtils;
import org.springframework.aop.support.DefaultIntroductionAdvisor;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.aop.support.DynamicMethodMatcherPointcut;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.context.ApplicationListener;
import org.springframework.context.TestListener;
import org.springframework.core.io.ClassPathResource;
import org.springframework.tests.TimeStamped;
import org.springframework.tests.aop.advice.CountingBeforeAdvice;
import org.springframework.tests.aop.advice.MyThrowsHandler;
import org.springframework.tests.aop.interceptor.NopInterceptor;
import org.springframework.tests.aop.interceptor.TimestampIntroductionInterceptor;
import org.springframework.tests.sample.beans.ITestBean;
import org.springframework.tests.sample.beans.Person;
import org.springframework.tests.sample.beans.SideEffectBean;
import org.springframework.tests.sample.beans.TestBean;
import org.springframework.util.SerializationTestUtils;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

/**
* @since 13.03.2003
* @author Rod Johnson
* @author Juergen Hoeller
* @author Chris Beams
*/
public final class ProxyFactoryBeanTests {

  private static final Class<?> CLASS = ProxyFactoryBeanTests.class;
  private static final String CLASSNAME = CLASS.getSimpleName();

  private static final String CONTEXT = CLASSNAME + "-context.xml";
  private static final String SERIALIZATION_CONTEXT = CLASSNAME + "-serialization.xml";
  private static final String AUTOWIRING_CONTEXT = CLASSNAME + "-autowiring.xml";
  private static final String DBL_TARGETSOURCE_CONTEXT = CLASSNAME + "-double-targetsource.xml";
  private static final String NOTLAST_TARGETSOURCE_CONTEXT = CLASSNAME + "-notlast-targetsource.xml";
  private static final String TARGETSOURCE_CONTEXT = CLASSNAME + "-targetsource.xml";
  private static final String INVALID_CONTEXT = CLASSNAME + "-invalid.xml";
  private static final String FROZEN_CONTEXT = CLASSNAME + "-frozen.xml";
  private static final String PROTOTYPE_CONTEXT = CLASSNAME + "-prototype.xml";
  private static final String THROWS_ADVICE_CONTEXT = CLASSNAME + "-throws-advice.xml";
  private static final String INNER_BEAN_TARGET_CONTEXT = CLASSNAME + "-inner-bean-target.xml";

  private BeanFactory factory;

  @Before
  public void setUp() throws Exception {
    DefaultListableBeanFactory parent = new DefaultListableBeanFactory();
    parent.registerBeanDefinition("target2", new RootBeanDefinition(TestListener.class));
    this.factory = new DefaultListableBeanFactory(parent);
    new XmlBeanDefinitionReader((BeanDefinitionRegistry) this.factory).loadBeanDefinitions(
        new ClassPathResource(CONTEXT, getClass()));
  }

  @Test
  public void testIsDynamicProxyWhenInterfaceSpecified() {
    ITestBean test1 = (ITestBean) factory.getBean("test1");
    assertTrue("test1 is a dynamic proxy", Proxy.isProxyClass(test1.getClass()));
  }

  @Test
  public void testIsDynamicProxyWhenInterfaceSpecifiedForPrototype() {
    ITestBean test1 = (ITestBean) factory.getBean("test2");
    assertTrue("test2 is a dynamic proxy", Proxy.isProxyClass(test1.getClass()));
  }

  @Test
  public void testIsDynamicProxyWhenAutodetectingInterfaces() {
    ITestBean test1 = (ITestBean) factory.getBean("test3");
    assertTrue("test3 is a dynamic proxy", Proxy.isProxyClass(test1.getClass()));
  }

  @Test
  public void testIsDynamicProxyWhenAutodetectingInterfacesForPrototype() {
    ITestBean test1 = (ITestBean) factory.getBean("test4");
    assertTrue("test4 is a dynamic proxy", Proxy.isProxyClass(test1.getClass()));
  }

  /**
   * Test that it's forbidden to specify TargetSource in both
   * interceptor chain and targetSource property.
   */
  @Test
  public void testDoubleTargetSourcesAreRejected() {
    testDoubleTargetSourceIsRejected("doubleTarget");
    // Now with conversion from arbitrary bean to a TargetSource
    testDoubleTargetSourceIsRejected("arbitraryTarget");
  }

  private void testDoubleTargetSourceIsRejected(String name) {
    try {
      DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
      new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(DBL_TARGETSOURCE_CONTEXT, CLASS));
      bf.getBean(name);
      fail("Should not allow TargetSource to be specified in interceptorNames as well as targetSource property");
    }
    catch (BeanCreationException ex) {
      // Root cause of the problem must be an AOP exception
      AopConfigException aex = (AopConfigException) ex.getCause();
      assertTrue(aex.getMessage().indexOf("TargetSource") != -1);
    }
  }

  @Test
  public void testTargetSourceNotAtEndOfInterceptorNamesIsRejected() {
    try {
      DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
      new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(NOTLAST_TARGETSOURCE_CONTEXT, CLASS));
      bf.getBean("targetSourceNotLast");
      fail("TargetSource or non-advised object must be last in interceptorNames");
    }
    catch (BeanCreationException ex) {
      // Root cause of the problem must be an AOP exception
      AopConfigException aex = (AopConfigException) ex.getCause();
      assertTrue(aex.getMessage().indexOf("interceptorNames") != -1);
    }
  }

  @Test
  public void testGetObjectTypeWithDirectTarget() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(TARGETSOURCE_CONTEXT, CLASS));

    // We have a counting before advice here
    CountingBeforeAdvice cba = (CountingBeforeAdvice) bf.getBean("countingBeforeAdvice");
    assertEquals(0, cba.getCalls());

    ITestBean tb = (ITestBean) bf.getBean("directTarget");
    assertTrue(tb.getName().equals("Adam"));
    assertEquals(1, cba.getCalls());

    ProxyFactoryBean pfb = (ProxyFactoryBean) bf.getBean("&directTarget");
    assertTrue("Has correct object type", TestBean.class.isAssignableFrom(pfb.getObjectType()));
  }

  @Test
  public void testGetObjectTypeWithTargetViaTargetSource() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(TARGETSOURCE_CONTEXT, CLASS));
    ITestBean tb = (ITestBean) bf.getBean("viaTargetSource");
    assertTrue(tb.getName().equals("Adam"));
    ProxyFactoryBean pfb = (ProxyFactoryBean) bf.getBean("&viaTargetSource");
    assertTrue("Has correct object type", TestBean.class.isAssignableFrom(pfb.getObjectType()));
  }

  @Test
  public void testGetObjectTypeWithNoTargetOrTargetSource() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(TARGETSOURCE_CONTEXT, CLASS));

    ITestBean tb = (ITestBean) bf.getBean("noTarget");
    try {
      tb.getName();
      fail();
    }
    catch (UnsupportedOperationException ex) {
      assertEquals("getName", ex.getMessage());
    }
    FactoryBean<?> pfb = (ProxyFactoryBean) bf.getBean("&noTarget");
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(pfb.getObjectType()));
  }

  /**
   * The instances are equal, but do not have object identity.
   * Interceptors and interfaces and the target are the same.
   */
  @Test
  public void testSingletonInstancesAreEqual() {
    ITestBean test1 = (ITestBean) factory.getBean("test1");
    ITestBean test1_1 = (ITestBean) factory.getBean("test1");
    //assertTrue("Singleton instances ==", test1 == test1_1);
    assertEquals("Singleton instances ==", test1, test1_1);
    test1.setAge(25);
    assertEquals(test1.getAge(), test1_1.getAge());
    test1.setAge(250);
    assertEquals(test1.getAge(), test1_1.getAge());
    Advised pc1 = (Advised) test1;
    Advised pc2 = (Advised) test1_1;
    assertArrayEquals(pc1.getAdvisors(), pc2.getAdvisors());
    int oldLength = pc1.getAdvisors().length;
    NopInterceptor di = new NopInterceptor();
    pc1.addAdvice(1, di);
    assertArrayEquals(pc1.getAdvisors(), pc2.getAdvisors());
    assertEquals("Now have one more advisor", oldLength + 1, pc2.getAdvisors().length);
    assertEquals(di.getCount(), 0);
    test1.setAge(5);
    assertEquals(test1_1.getAge(), test1.getAge());
    assertEquals(di.getCount(), 3);
  }

  @Test
  public void testPrototypeInstancesAreNotEqual() {
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(factory.getType("prototype")));
    ITestBean test2 = (ITestBean) factory.getBean("prototype");
    ITestBean test2_1 = (ITestBean) factory.getBean("prototype");
    assertTrue("Prototype instances !=", test2 != test2_1);
    assertTrue("Prototype instances equal", test2.equals(test2_1));
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(factory.getType("prototype")));
  }

  /**
   * Uses its own bean factory XML for clarity
   * @param beanName name of the ProxyFactoryBean definition that should
   * be a prototype
   */
  private Object testPrototypeInstancesAreIndependent(String beanName) {
    // Initial count value set in bean factory XML
    int INITIAL_COUNT = 10;

    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(PROTOTYPE_CONTEXT, CLASS));

    // Check it works without AOP
    SideEffectBean raw = (SideEffectBean) bf.getBean("prototypeTarget");
    assertEquals(INITIAL_COUNT, raw.getCount() );
    raw.doWork();
    assertEquals(INITIAL_COUNT+1, raw.getCount() );
    raw = (SideEffectBean) bf.getBean("prototypeTarget");
    assertEquals(INITIAL_COUNT, raw.getCount() );

    // Now try with advised instances
    SideEffectBean prototype2FirstInstance = (SideEffectBean) bf.getBean(beanName);
    assertEquals(INITIAL_COUNT, prototype2FirstInstance.getCount() );
    prototype2FirstInstance.doWork();
    assertEquals(INITIAL_COUNT + 1, prototype2FirstInstance.getCount() );

    SideEffectBean prototype2SecondInstance = (SideEffectBean) bf.getBean(beanName);
    assertFalse("Prototypes are not ==", prototype2FirstInstance == prototype2SecondInstance);
    assertEquals(INITIAL_COUNT, prototype2SecondInstance.getCount() );
    assertEquals(INITIAL_COUNT + 1, prototype2FirstInstance.getCount() );

    return prototype2FirstInstance;
  }

  @Test
  public void testCglibPrototypeInstance() {
    Object prototype = testPrototypeInstancesAreIndependent("cglibPrototype");
    assertTrue("It's a cglib proxy", AopUtils.isCglibProxy(prototype));
    assertFalse("It's not a dynamic proxy", AopUtils.isJdkDynamicProxy(prototype));
  }

  /**
   * Test invoker is automatically added to manipulate target.
   */
  @Test
  public void testAutoInvoker() {
    String name = "Hieronymous";
    TestBean target = (TestBean) factory.getBean("test");
    target.setName(name);
    ITestBean autoInvoker = (ITestBean) factory.getBean("autoInvoker");
    assertTrue(autoInvoker.getName().equals(name));
  }

  @Test
  public void testCanGetFactoryReferenceAndManipulate() {
    ProxyFactoryBean config = (ProxyFactoryBean) factory.getBean("&test1");
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(config.getObjectType()));
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(factory.getType("test1")));
    // Trigger lazy initialization.
    config.getObject();
    assertEquals("Have one advisors", 1, config.getAdvisors().length);
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(config.getObjectType()));
    assertTrue("Has correct object type", ITestBean.class.isAssignableFrom(factory.getType("test1")));

    ITestBean tb = (ITestBean) factory.getBean("test1");
    // no exception
    tb.hashCode();

    final Exception ex = new UnsupportedOperationException("invoke");
    // Add evil interceptor to head of list
    config.addAdvice(0, new MethodInterceptor() {
      @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        throw ex;
      }
    });
    assertEquals("Have correct advisor count", 2, config.getAdvisors().length);

    tb = (ITestBean) factory.getBean("test1");
    try {
      // Will fail now
      tb.toString();
      fail("Evil interceptor added programmatically should fail all method calls");
    }
    catch (Exception thrown) {
      assertTrue(thrown == ex);
    }
  }

  public static class DependsOnITestBean {
    public final ITestBean tb;
    public DependsOnITestBean(ITestBean tb) {
      this.tb = tb;
    }
  }

  /**
   * Test that inner bean for target means that we can use
   * autowire without ambiguity from target and proxy
   */
  @Test
  public void testTargetAsInnerBean() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(INNER_BEAN_TARGET_CONTEXT, CLASS));
    ITestBean itb = (ITestBean) bf.getBean("testBean");
    assertEquals("innerBeanTarget", itb.getName());
    assertEquals("Only have proxy and interceptor: no target", 3, bf.getBeanDefinitionCount());
    DependsOnITestBean doit = (DependsOnITestBean) bf.getBean("autowireCheck");
    assertSame(itb, doit.tb);
  }

  /**
   * Try adding and removing interfaces and interceptors on prototype.
   * Changes will only affect future references obtained from the factory.
   * Each instance will be independent.
   */
  @Test
  public void testCanAddAndRemoveAspectInterfacesOnPrototype() {
    assertThat("Shouldn't implement TimeStamped before manipulation",
        factory.getBean("test2"), not(instanceOf(TimeStamped.class)));

    ProxyFactoryBean config = (ProxyFactoryBean) factory.getBean("&test2");
    long time = 666L;
    TimestampIntroductionInterceptor ti = new TimestampIntroductionInterceptor();
    ti.setTime(time);
    // Add to head of interceptor chain
    int oldCount = config.getAdvisors().length;
    config.addAdvisor(0, new DefaultIntroductionAdvisor(ti, TimeStamped.class));
    assertTrue(config.getAdvisors().length == oldCount + 1);

    TimeStamped ts = (TimeStamped) factory.getBean("test2");
    assertEquals(time, ts.getTimeStamp());

    // Can remove
    config.removeAdvice(ti);
    assertTrue(config.getAdvisors().length == oldCount);

    // Check no change on existing object reference
    assertTrue(ts.getTimeStamp() == time);

    assertThat("Should no longer implement TimeStamped",
        factory.getBean("test2"), not(instanceOf(TimeStamped.class)));

    // Now check non-effect of removing interceptor that isn't there
    config.removeAdvice(new DebugInterceptor());
    assertTrue(config.getAdvisors().length == oldCount);

    ITestBean it = (ITestBean) ts;
    DebugInterceptor debugInterceptor = new DebugInterceptor();
    config.addAdvice(0, debugInterceptor);
    it.getSpouse();
    // Won't affect existing reference
    assertTrue(debugInterceptor.getCount() == 0);
    it = (ITestBean) factory.getBean("test2");
    it.getSpouse();
    assertEquals(1, debugInterceptor.getCount());
    config.removeAdvice(debugInterceptor);
    it.getSpouse();

    // Still invoked wiht old reference
    assertEquals(2, debugInterceptor.getCount());

    // not invoked with new object
    it = (ITestBean) factory.getBean("test2");
    it.getSpouse();
    assertEquals(2, debugInterceptor.getCount());

    // Our own timestamped reference should still work
    assertEquals(time, ts.getTimeStamp());
  }

  /**
   * Note that we can't add or remove interfaces without reconfiguring the
   * singleton.
   */
  @Test
  public void testCanAddAndRemoveAdvicesOnSingleton() {
    ITestBean it = (ITestBean) factory.getBean("test1");
    Advised pc = (Advised) it;
    it.getAge();
    NopInterceptor di = new NopInterceptor();
    pc.addAdvice(0, di);
    assertEquals(0, di.getCount());
    it.setAge(25);
    assertEquals(25, it.getAge());
    assertEquals(2, di.getCount());
  }

  @Test
  public void testMethodPointcuts() {
    ITestBean tb = (ITestBean) factory.getBean("pointcuts");
    PointcutForVoid.reset();
    assertTrue("No methods intercepted", PointcutForVoid.methodNames.isEmpty());
    tb.getAge();
    assertTrue("Not void: shouldn't have intercepted", PointcutForVoid.methodNames.isEmpty());
    tb.setAge(1);
    tb.getAge();
    tb.setName("Tristan");
    tb.toString();
    assertEquals("Recorded wrong number of invocations", 2, PointcutForVoid.methodNames.size());
    assertTrue(PointcutForVoid.methodNames.get(0).equals("setAge"));
    assertTrue(PointcutForVoid.methodNames.get(1).equals("setName"));
  }

  @Test
  public void testCanAddThrowsAdviceWithoutAdvisor() throws Throwable {
    DefaultListableBeanFactory f = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(f).loadBeanDefinitions(new ClassPathResource(THROWS_ADVICE_CONTEXT, CLASS));
    MyThrowsHandler th = (MyThrowsHandler) f.getBean("throwsAdvice");
    CountingBeforeAdvice cba = (CountingBeforeAdvice) f.getBean("countingBeforeAdvice");
    assertEquals(0, cba.getCalls());
    assertEquals(0, th.getCalls());
    IEcho echo = (IEcho) f.getBean("throwsAdvised");
    int i = 12;
    echo.setA(i);
    assertEquals(i, echo.getA());
    assertEquals(2, cba.getCalls());
    assertEquals(0, th.getCalls());
    Exception expected = new Exception();
    try {
      echo.echoException(1, expected);
      fail();
    }
    catch (Exception ex) {
      assertEquals(expected, ex);
    }
    // No throws handler method: count should still be 0
    assertEquals(0, th.getCalls());

    // Handler knows how to handle this exception
    expected = new FileNotFoundException();
    try {
      echo.echoException(1, expected);
      fail();
    }
    catch (IOException ex) {
      assertEquals(expected, ex);
    }
    // One match
    assertEquals(1, th.getCalls("ioException"));
  }

  // These two fail the whole bean factory
  // TODO put in sep file to check quality of error message
  /*
  @Test
  public void testNoInterceptorNamesWithoutTarget() {
    try {
      ITestBean tb = (ITestBean) factory.getBean("noInterceptorNamesWithoutTarget");
      fail("Should require interceptor names");
    }
    catch (AopConfigException ex) {
      // Ok
    }
  }

  @Test
  public void testNoInterceptorNamesWithTarget() {
    ITestBean tb = (ITestBean) factory.getBean("noInterceptorNamesWithoutTarget");
  }
  */

  @Test
  public void testEmptyInterceptorNames() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(INVALID_CONTEXT, CLASS));
    try {
      bf.getBean("emptyInterceptorNames");
      fail("Interceptor names cannot be empty");
    }
    catch (BeanCreationException ex) {
      // Ok
    }
  }

  /**
   * Globals must be followed by a target.
   */
  @Test
  public void testGlobalsWithoutTarget() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(INVALID_CONTEXT, CLASS));
    try {
      bf.getBean("globalsWithoutTarget");
      fail("Should require target name");
    }
    catch (BeanCreationException ex) {
      assertTrue(ex.getCause() instanceof AopConfigException);
    }
  }

  /**
   * Checks that globals get invoked,
   * and that they can add aspect interfaces unavailable
   * to other beans. These interfaces don't need
   * to be included in proxiedInterface [].
   */
  @Test
  public void testGlobalsCanAddAspectInterfaces() {
    AddedGlobalInterface agi = (AddedGlobalInterface) factory.getBean("autoInvoker");
    assertTrue(agi.globalsAdded() == -1);

    ProxyFactoryBean pfb = (ProxyFactoryBean) factory.getBean("&validGlobals");
    // Trigger lazy initialization.
    pfb.getObject();
    // 2 globals + 2 explicit
    assertEquals("Have 2 globals and 2 explicit advisors", 3, pfb.getAdvisors().length);

    ApplicationListener<?> l = (ApplicationListener<?>) factory.getBean("validGlobals");
    agi = (AddedGlobalInterface) l;
    assertTrue(agi.globalsAdded() == -1);

    try {
      agi = (AddedGlobalInterface) factory.getBean("test1");
      fail("Aspect interface should't be implemeneted without globals");
    }
    catch (ClassCastException ex) {
    }
  }

  @Test
  public void testSerializableSingletonProxy() throws Exception {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(SERIALIZATION_CONTEXT, CLASS));
    Person p = (Person) bf.getBean("serializableSingleton");
    assertSame("Should be a Singleton", p, bf.getBean("serializableSingleton"));
    Person p2 = (Person) SerializationTestUtils.serializeAndDeserialize(p);
    assertEquals(p, p2);
    assertNotSame(p, p2);
    assertEquals("serializableSingleton", p2.getName());

    // Add unserializable advice
    Advice nop = new NopInterceptor();
    ((Advised) p).addAdvice(nop);
    // Check it still works
    assertEquals(p2.getName(), p2.getName());
    assertFalse("Not serializable because an interceptor isn't serializable", SerializationTestUtils.isSerializable(p));

    // Remove offending interceptor...
    assertTrue(((Advised) p).removeAdvice(nop));
    assertTrue("Serializable again because offending interceptor was removed", SerializationTestUtils.isSerializable(p));
  }

  @Test
  public void testSerializablePrototypeProxy() throws Exception {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(SERIALIZATION_CONTEXT, CLASS));
    Person p = (Person) bf.getBean("serializablePrototype");
    assertNotSame("Should not be a Singleton", p, bf.getBean("serializablePrototype"));
    Person p2 = (Person) SerializationTestUtils.serializeAndDeserialize(p);
    assertEquals(p, p2);
    assertNotSame(p, p2);
    assertEquals("serializablePrototype", p2.getName());
  }

  @Test
  public void testSerializableSingletonProxyFactoryBean() throws Exception {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(SERIALIZATION_CONTEXT, CLASS));
    Person p = (Person) bf.getBean("serializableSingleton");
    ProxyFactoryBean pfb = (ProxyFactoryBean) bf.getBean("&serializableSingleton");
    ProxyFactoryBean pfb2 = (ProxyFactoryBean) SerializationTestUtils.serializeAndDeserialize(pfb);
    Person p2 = (Person) pfb2.getObject();
    assertEquals(p, p2);
    assertNotSame(p, p2);
    assertEquals("serializableSingleton", p2.getName());
  }

  @Test
  public void testProxyNotSerializableBecauseOfAdvice() throws Exception {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(SERIALIZATION_CONTEXT, CLASS));
    Person p = (Person) bf.getBean("interceptorNotSerializableSingleton");
    assertFalse("Not serializable because an interceptor isn't serializable", SerializationTestUtils.isSerializable(p));
  }

  @Test
  public void testPrototypeAdvisor() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(CONTEXT, CLASS));

    ITestBean bean1 = (ITestBean) bf.getBean("prototypeTestBeanProxy");
    ITestBean bean2 = (ITestBean) bf.getBean("prototypeTestBeanProxy");

    bean1.setAge(3);
    bean2.setAge(4);

    assertEquals(3, bean1.getAge());
    assertEquals(4, bean2.getAge());

    ((Lockable) bean1).lock();

    try {
      bean1.setAge(5);
      fail("expected LockedException");
    }
    catch (LockedException ex) {
      // expected
    }

    try {
      bean2.setAge(6);
    }
    catch (LockedException ex) {
      fail("did not expect LockedException");
    }
  }

  @Test
  public void testPrototypeInterceptorSingletonTarget() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(CONTEXT, CLASS));

    ITestBean bean1 = (ITestBean) bf.getBean("prototypeTestBeanProxySingletonTarget");
    ITestBean bean2 = (ITestBean) bf.getBean("prototypeTestBeanProxySingletonTarget");

    bean1.setAge(1);
    bean2.setAge(2);

    assertEquals(2, bean1.getAge());

    ((Lockable) bean1).lock();

    try {
      bean1.setAge(5);
      fail("expected LockedException");
    }
    catch (LockedException ex) {
      // expected
    }

    try {
      bean2.setAge(6);
    }
    catch (LockedException ex) {
      fail("did not expect LockedException");
    }
  }

  /**
   * Simple test of a ProxyFactoryBean that has an inner bean as target that specifies autowiring.
   * Checks for correct use of getType() by bean factory.
   */
  @Test
  public void testInnerBeanTargetUsingAutowiring() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(AUTOWIRING_CONTEXT, CLASS));
    bf.getBean("testBean");
  }

  @Test
  public void testFrozenFactoryBean() {
    DefaultListableBeanFactory bf = new DefaultListableBeanFactory();
    new XmlBeanDefinitionReader(bf).loadBeanDefinitions(new ClassPathResource(FROZEN_CONTEXT, CLASS));

    Advised advised = (Advised)bf.getBean("frozen");
    assertTrue("The proxy should be frozen", advised.isFrozen());
  }

  @Test
  public void testDetectsInterfaces() throws Exception {
    ProxyFactoryBean fb = new ProxyFactoryBean();
    fb.setTarget(new TestBean());
    fb.addAdvice(new DebugInterceptor());
    fb.setBeanFactory(new DefaultListableBeanFactory());
    ITestBean proxy = (ITestBean) fb.getObject();
    assertTrue(AopUtils.isJdkDynamicProxy(proxy));
  }
  /**
   * Fires only on void methods. Saves list of methods intercepted.
   */
  @SuppressWarnings("serial")
  public static class PointcutForVoid extends DefaultPointcutAdvisor {

    public static List<String> methodNames = new LinkedList<String>();

    public static void reset() {
      methodNames.clear();
    }

    public PointcutForVoid() {
      setAdvice(new MethodInterceptor() {
        @Override
        public Object invoke(MethodInvocation invocation) throws Throwable {
          methodNames.add(invocation.getMethod().getName());
          return invocation.proceed();
        }
      });
      setPointcut(new DynamicMethodMatcherPointcut() {
        @Override
        public boolean matches(Method m, Class<?> targetClass, Object[] args) {
          return m.getReturnType() == Void.TYPE;
        }
      });
    }
  }


  /**
   * Aspect interface
   */
  public interface AddedGlobalInterface {
    int globalsAdded();
  }


  /**
   * Use as a global interceptor. Checks that
   * global interceptors can add aspect interfaces.
   * NB: Add only via global interceptors in XML file.
   */
  public static class GlobalAspectInterfaceInterceptor implements IntroductionInterceptor {

    @Override
    public boolean implementsInterface(Class<?> intf) {
      return intf.equals(AddedGlobalInterface.class);
    }

    @Override
    public Object invoke(MethodInvocation mi) throws Throwable {
      if (mi.getMethod().getDeclaringClass().equals(AddedGlobalInterface.class)) {
        return new Integer(-1);
      }
      return mi.proceed();
    }
  }


  public static class GlobalIntroductionAdvice implements IntroductionAdvisor {

    private IntroductionInterceptor gi = new GlobalAspectInterfaceInterceptor();

    @Override
    public ClassFilter getClassFilter() {
      return ClassFilter.TRUE;
    }

    @Override
    public Advice getAdvice() {
      return this.gi;
    }

    @Override
    public Class<?>[] getInterfaces() {
      return new Class<?>[] { AddedGlobalInterface.class };
    }

    @Override
    public boolean isPerInstance() {
      return false;
    }

    @Override
    public void validateInterfaces() {
    }
  }

}
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