Java Enhancer.setUseFactory方法代码示例

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
ReflectiveParserImpl(Class<?> base, List<Property<?, ?>> properties) {
    InjectionChecks.checkInjectableCGLibProxyBase(base);

    this.properties = properties;
    this.propertyNames = properties.stream()
                                   .flatMap(property -> property.parser.names().stream())
                                   .collect(Collectors.toImmutableSet());

    final Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(base);
    enhancer.setInterfaces(new Class[]{ type.getRawType() });
    enhancer.setCallbackType(MethodInterceptor.class);
    enhancer.setUseFactory(true);
    this.impl = enhancer.createClass();
    this.injector = getMembersInjector((Class<T>) impl);
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
protected static <T> Class<T> createEnhancedClass(Class<T> proxiedClass, Class<?>... implementedInterfaces) {
    Enhancer enhancer = new Enhancer();

    Set<Class<?>> interfaces = new HashSet<Class<?>>();
    if (proxiedClass.isInterface()) {
        enhancer.setSuperclass(Object.class);
        interfaces.add(proxiedClass);
    } else {
        enhancer.setSuperclass(proxiedClass);
    }
    if (implementedInterfaces != null && implementedInterfaces.length > 0) {
        interfaces.addAll(asList(implementedInterfaces));
    }
    if (!interfaces.isEmpty()) {
        enhancer.setInterfaces(interfaces.toArray(new Class<?>[interfaces.size()]));
    }
    enhancer.setCallbackType(MethodInterceptor.class);
    enhancer.setUseFactory(true);
    return enhancer.createClass();
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public BasicProxyFactoryImpl(Class superClass, Class[] interfaces) {
	if ( superClass == null && ( interfaces == null || interfaces.length < 1 ) ) {
		throw new AssertionFailure( "attempting to build proxy without any superclass or interfaces" );
	}

	Enhancer en = new Enhancer();
	en.setUseCache( false );
	en.setInterceptDuringConstruction( false );
	en.setUseFactory( true );
	en.setCallbackTypes( CALLBACK_TYPES );
	en.setCallbackFilter( FINALIZE_FILTER );
	if ( superClass != null ) {
		en.setSuperclass( superClass );
	}
	if ( interfaces != null && interfaces.length > 0 ) {
		en.setInterfaces( interfaces );
	}
	proxyClass = en.createClass();
	try {
		factory = ( Factory ) proxyClass.newInstance();
	}
	catch ( Throwable t ) {
		throw new HibernateException( "Unable to build CGLIB Factory instance" );
	}
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public <T> T create(Class<T> clazz, String widgetId) {

    // creating proxy class
    Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(clazz);
    enhancer.setUseFactory(true);
    enhancer.setCallbackType(RemoteObjectMethodInterceptor.class);
    if (clazz.getSigners() != null) {
        enhancer.setNamingPolicy(NAMING_POLICY_FOR_CLASSES_IN_SIGNED_PACKAGES);
    }
    Class<?> proxyClass = enhancer.createClass();

    // instantiating class without constructor call
    ObjenesisStd objenesis = new ObjenesisStd();
    Factory proxy = (Factory) objenesis.newInstance(proxyClass);
    proxy.setCallbacks(new Callback[]{new RemoteObjectMethodInterceptor(this, invoker, widgetId)});
    T widget = (T) proxy;

    widgetIds.put(widget, widgetId);
    return widget;
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public static Class<?> getProxyClass(Class<?> clazz) {
    Enhancer e = new Enhancer();
    if (clazz.isInterface()) {
     e.setSuperclass(clazz);
    } else {
     e.setSuperclass(clazz);
     e.setInterfaces(clazz.getInterfaces());
    }
    e.setCallbackTypes(new Class[]{
        InvocationHandler.class,
        NoOp.class,
    });
    e.setCallbackFilter(BAD_OBJECT_METHOD_FILTER);
    e.setUseFactory(true);
    e.setNamingPolicy(new LithiumTestProxyNamingPolicy());
    return e.createClass();
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
private static Object newProxyByCglib(Typing typing, Handler handler) {
  Enhancer enhancer = new Enhancer() {
    /** includes all constructors */
    protected void filterConstructors(Class sc, List constructors) {}
  };
  enhancer.setClassLoader(Thread.currentThread().getContextClassLoader());
  enhancer.setUseFactory(true);
  enhancer.setSuperclass(typing.superclass);
  enhancer.setInterfaces(typing.interfaces.toArray(new Class[0]));
  enhancer.setCallbackTypes(new Class[] { MethodInterceptor.class, NoOp.class });
  enhancer.setCallbackFilter(new CallbackFilter() {
    /** ignores bridge methods */
    public int accept(Method method) {
      return method.isBridge() ? 1 : 0;
    }
  });
  Class<?> proxyClass = enhancer.createClass();
  Factory proxy = (Factory) new ObjenesisStd().newInstance(proxyClass);
  proxy.setCallbacks(new Callback[] { asMethodInterceptor(handler), new SerializableNoOp() });
  return proxy;
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
@Override
protected Class<?> createProxyClass() {
	Enhancer en = new Enhancer();
   	en.setInterceptDuringConstruction(false);
   	en.setUseFactory(true);
   	
   	en.setSuperclass(unproxiedClass);
   	en.setInterfaces(new Class[] { Persistent.class });
   	en.setCallbackType(NoOp.class);
   	en.setStrategy(new DefaultGeneratorStrategy() {
		protected ClassGenerator transform(ClassGenerator cg) throws Exception {
			return new TransformingClassGenerator(cg, new AddPropertyTransformer(
					new String[] { ORIGINAL_ONE, ORIGINAL_THE_OTHER },
					new Type[] { Type.getType(String.class), Type.getType(List.class) }
				));
		}
   	});
   	
   	return en.createClass();
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public static Class getProxyFactory(Class persistentClass, Class[] interfaces)
		throws HibernateException {
	Enhancer e = new Enhancer();
	e.setSuperclass( interfaces.length == 1 ? persistentClass : null );
	e.setInterfaces(interfaces);
	e.setCallbackTypes(new Class[]{
		InvocationHandler.class,
		NoOp.class,
  		});
 		e.setCallbackFilter(FINALIZE_FILTER);
 		e.setUseFactory(false);
	e.setInterceptDuringConstruction( false );
	return e.createClass();
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public void testSupportsClassBasedProxiesWithFactory()
    throws NullPointerException, MalformedURLException {
    final Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(HashMap.class);
    enhancer.setCallback(new DelegatingHandler(new HashMap()));
    enhancer.setUseFactory(true); // true by default
    final Map orig = (Map)enhancer.create();
    final URL url = new URL("http://xstream.codehaus.org");
    orig.put("URL", url);
    final String xml = ""
        + "<CGLIB-enhanced-proxy>\n"
        + "  <type>java.util.HashMap</type>\n"
        + "  <interfaces/>\n"
        + "  <hasFactory>true</hasFactory>\n"
        + "  <com.thoughtworks.acceptance.CglibCompatibilityTest_-DelegatingHandler>\n"
        + "    <delegate class=\"map\">\n"
        + "      <entry>\n"
        + "        <string>URL</string>\n"
        + "        <url>http://xstream.codehaus.org</url>\n"
        + "      </entry>\n"
        + "    </delegate>\n"
        + "  </com.thoughtworks.acceptance.CglibCompatibilityTest_-DelegatingHandler>\n"
        + "</CGLIB-enhanced-proxy>";

    final Map serialized = (Map)assertBothWays(orig, xml);
    assertEquals(url, serialized.get("URL"));
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public void testSupportsClassBasedProxiesWithoutFactory()
    throws NullPointerException, MalformedURLException {
    final Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(HashMap.class);
    enhancer.setCallback(new DelegatingHandler(new HashMap()));
    enhancer.setUseFactory(false);
    final Map orig = (Map)enhancer.create();
    final URL url = new URL("http://xstream.codehaus.org");
    orig.put("URL", url);
    final String xml = ""
        + "<CGLIB-enhanced-proxy>\n"
        + "  <type>java.util.HashMap</type>\n"
        + "  <interfaces/>\n"
        + "  <hasFactory>false</hasFactory>\n"
        + "  <com.thoughtworks.acceptance.CglibCompatibilityTest_-DelegatingHandler>\n"
        + "    <delegate class=\"map\">\n"
        + "      <entry>\n"
        + "        <string>URL</string>\n"
        + "        <url>http://xstream.codehaus.org</url>\n"
        + "      </entry>\n"
        + "    </delegate>\n"
        + "  </com.thoughtworks.acceptance.CglibCompatibilityTest_-DelegatingHandler>\n"
        + "</CGLIB-enhanced-proxy>";

    final Map serialized = (Map)assertBothWays(orig, xml);
    assertEquals(url, serialized.get("URL"));
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public void testSupportProxiesUsingFactoryWithMultipleCallbacks()
    throws NullPointerException {
    final Enhancer enhancer = new Enhancer();
    enhancer.setCallbacks(new Callback[]{

        new DelegatingInterceptor(null), new DelegatingHandler(null),
        new DelegatingDispatcher(null), NoOp.INSTANCE});
    enhancer.setCallbackFilter(new CallbackFilter() {
        int i = 1;

        public int accept(Method method) {
            if (method.getDeclaringClass() == Runnable.class) {
                return 0;
            }
            return i < 3 ? i++ : i;
        }
    });
    enhancer.setInterfaces(new Class[]{Runnable.class});
    enhancer.setUseFactory(true);
    final Runnable orig = (Runnable)enhancer.create();
    final String xml = xstream.toXML(orig);
    final Factory deserialized = (Factory)xstream.fromXML(xml);
    assertTrue("Not a Runnable anymore", deserialized instanceof Runnable);
    Callback[] callbacks = deserialized.getCallbacks();
    assertEquals(4, callbacks.length);
    assertTrue(callbacks[0] instanceof DelegatingInterceptor);
    assertTrue(callbacks[1] instanceof DelegatingHandler);
    assertTrue(callbacks[2] instanceof DelegatingDispatcher);
    assertTrue(callbacks[3] instanceof NoOp);
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public void testThrowsExceptionForProxiesNotUsingFactoryWithMultipleCallbacks()
    throws NullPointerException {
    final Enhancer enhancer = new Enhancer();
    enhancer.setCallbacks(new Callback[]{

        new DelegatingInterceptor(null), new DelegatingHandler(null),
        new DelegatingDispatcher(null), NoOp.INSTANCE});
    enhancer.setCallbackFilter(new CallbackFilter() {
        int i = 1;

        public int accept(Method method) {
            if (method.getDeclaringClass() == Runnable.class) {
                return 0;
            }
            return i < 3 ? i++ : i;
        }
    });
    enhancer.setInterfaces(new Class[]{Runnable.class});
    enhancer.setUseFactory(false);
    final Runnable orig = (Runnable)enhancer.create();
    try {
        xstream.toXML(orig);
        fail("Thrown " + ConversionException.class.getName() + " expected");
    } catch (final ConversionException e) {
        
    }
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
public void testSupportsInterceptedClassBasedProxies()
    throws NullPointerException, MalformedURLException {
    final Enhancer enhancer = new Enhancer();
    enhancer.setSuperclass(HashMap.class);
    enhancer.setCallback(new InterceptingHandler());
    enhancer.setUseFactory(true);
    final Map orig = (Map)enhancer.create();
    orig.put("URL", new URL("http://xstream.codehaus.org"));
    final StringBuffer xml = new StringBuffer(""
        + "<CGLIB-enhanced-proxy>\n"
        + "  <type>java.util.HashMap</type>\n"
        + "  <interfaces/>\n"
        + "  <hasFactory>true</hasFactory>\n"
        + "  <com.thoughtworks.acceptance.CglibCompatibilityTest_-InterceptingHandler/>\n"
        + "  <instance serialization=\"custom\">\n"
        + "    <unserializable-parents/>\n"
        + "    <map>\n"
        + "      <default>\n"
        + "        <loadFactor>0.75</loadFactor>\n"
        + "        <threshold>$THRESHOLD$</threshold>\n"
        + "      </default>\n"
        + "      <int>$CAPACITY$</int>\n"
        + "      <int>1</int>\n"
        + "      <string>URL</string>\n"
        + "      <url>http://xstream.codehaus.org</url>\n"
        + "    </map>\n"
        + "  </instance>\n"
        + "</CGLIB-enhanced-proxy>");

    int idx = xml.toString().indexOf(THRESHOLD_PARAM);
    xml.replace(idx, idx + THRESHOLD_PARAM.length(), "12");
    idx = xml.toString().indexOf(CAPACITY_PARAM);
    xml.replace(idx, idx + CAPACITY_PARAM.length(), "16");

    Map serialized = (Map)assertBothWays(orig, xml.toString());
    assertEquals(orig.toString(), serialized.toString());
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
@Override
@SuppressWarnings("unchecked")
protected Class<? extends T> createEnhancedClass(Class<T> clazz, Class[] ancillaryTypes) {
    if (clazz == Object.class) {
        clazz = (Class<T>) TrivialSubclassOfObjectToWorkAroundCGLIBBug.class;
    }
    Enhancer e = new Enhancer();
    e.setClassLoader(clazz.getClassLoader());
    e.setSuperclass(clazz);
    e.setInterfaces(ancillaryTypes);
    e.setUseFactory(true);
    e.setUseCache(true);
    e.setCallbackType(MethodInterceptor.class);
    return e.createClass();
}
 

import net.sf.cglib.proxy.Enhancer; //导入方法依赖的package包/类
private Class enhanceServiceEndpointInterface(Class serviceEndpointInterface, ClassLoader classLoader) {
    Enhancer enhancer = new Enhancer();
    enhancer.setClassLoader(classLoader);
    enhancer.setSuperclass(GenericServiceEndpointWrapper.class);
    enhancer.setInterfaces(new Class[]{serviceEndpointInterface});
    enhancer.setCallbackFilter(new NoOverrideCallbackFilter(GenericServiceEndpointWrapper.class));
    enhancer.setCallbackTypes(new Class[]{NoOp.class, MethodInterceptor.class});
    enhancer.setUseFactory(false);
    enhancer.setUseCache(false);

    return enhancer.createClass();
}