javassist.util.proxy.Proxy.setHandler()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中javassist.util.proxy.Proxy.setHandler()方法的一些代码示例，展示了Proxy.setHandler()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Proxy.setHandler()方法的具体详情如下：
包路径：javassist.util.proxy.Proxy
类名称：Proxy
方法名：setHandler

Proxy.setHandler介绍

[英]Sets a handler. It can be used for changing handlers during runtime.
[中]设置处理程序。它可以用于在运行时更改处理程序。

代码示例

代码示例来源：origin: redisson/redisson

/**
 * Creates a proxy class and returns an instance of that class.
 *
 * @param paramTypes    parameter types for a constructor.
 * @param args          arguments passed to a constructor.
 * @param mh            the method handler for the proxy class.
 * @since 3.4
 */
public Object create(Class[] paramTypes, Object[] args, MethodHandler mh)
  throws NoSuchMethodException, IllegalArgumentException,
      InstantiationException, IllegalAccessException, InvocationTargetException
{
  Object obj = create(paramTypes, args);
  ((Proxy)obj).setHandler(mh);
  return obj;
}

代码示例来源：origin: hibernate/hibernate-orm

public Object getProxy() {
  try {
    final Proxy proxy = (Proxy) proxyClass.newInstance();
    proxy.setHandler( new PassThroughHandler( proxy, proxyClass.getName() ) );
    return proxy;
  }
  catch ( Throwable t ) {
    throw new HibernateException( "Unable to instantiated proxy instance" );
  }
}

代码示例来源：origin: org.javassist/javassist

/**
 * Creates a proxy class and returns an instance of that class.
 *
 * @param paramTypes    parameter types for a constructor.
 * @param args          arguments passed to a constructor.
 * @param mh            the method handler for the proxy class.
 * @since 3.4
 */
public Object create(Class<?>[] paramTypes, Object[] args, MethodHandler mh)
  throws NoSuchMethodException, IllegalArgumentException,
      InstantiationException, IllegalAccessException, InvocationTargetException
{
  Object obj = create(paramTypes, args);
  ((Proxy)obj).setHandler(mh);
  return obj;
}

代码示例来源：origin: redisson/redisson

Object readResolve() throws ObjectStreamException {
    try {
      int n = interfaces.length;
      Class[] infs = new Class[n];
      for (int i = 0; i < n; i++)
        infs[i] = loadClass(interfaces[i]);

      ProxyFactory f = new ProxyFactory();
      f.setSuperclass(loadClass(superClass));
      f.setInterfaces(infs);
      Proxy proxy = (Proxy)f.createClass(filterSignature).newInstance();
      proxy.setHandler(handler);
      return proxy;
    }
    catch (ClassNotFoundException e) {
      throw new java.io.InvalidClassException(e.getMessage());
    }
    catch (InstantiationException e2) {
      throw new java.io.InvalidObjectException(e2.getMessage());
    }
    catch (IllegalAccessException e3) {
      throw new java.io.InvalidClassException(e3.getMessage());
    }
  }
}

代码示例来源：origin: dropwizard/dropwizard

factory.createClass().getConstructor().newInstance() :
    factory.create(constructorParamTypes, constructorArguments));
proxy.setHandler((self, overridden, proceed, args) -> {
  final UnitOfWork unitOfWork = overridden.getAnnotation(UnitOfWork.class);
  final UnitOfWorkAspect unitOfWorkAspect = newAspect(sessionFactories);

代码示例来源：origin: org.javassist/javassist

f.setInterfaces(infs);
Proxy proxy = (Proxy)f.createClass(filterSignature).getConstructor().newInstance();
proxy.setHandler(handler);
return proxy;

代码示例来源：origin: hibernate/hibernate-orm

( (Proxy) proxy ).setHandler( initializer );
initializer.constructed();

代码示例来源：origin: hibernate/hibernate-orm

public static HibernateProxy deserializeProxy(SerializableProxy serializableProxy) {
  final JavassistLazyInitializer initializer = new JavassistLazyInitializer(
      serializableProxy.getEntityName(),
      serializableProxy.getPersistentClass(),
      serializableProxy.getInterfaces(),
      serializableProxy.getId(),
      resolveIdGetterMethod( serializableProxy ),
      resolveIdSetterMethod( serializableProxy ),
      serializableProxy.getComponentIdType(),
      null,
      ReflectHelper.overridesEquals( serializableProxy.getPersistentClass() )
  );
  final javassist.util.proxy.ProxyFactory factory = buildJavassistProxyFactory(
      serializableProxy.getPersistentClass(),
      serializableProxy.getInterfaces()
  );
  // note: interface is assumed to already contain HibernateProxy.class
  try {
    final Class proxyClass = factory.createClass();
    final HibernateProxy proxy = ( HibernateProxy ) proxyClass.newInstance();
    ( (Proxy) proxy ).setHandler( initializer );
    initializer.constructed();
    return proxy;
  }
  catch ( Throwable t ) {
    final String message = LOG.bytecodeEnhancementFailed( serializableProxy.getEntityName() );
    LOG.error( message, t );
    throw new HibernateException( message, t );
  }
}

代码示例来源：origin: rchodava/datamill

public PropertyImpl(PropertyDescriptor descriptor) {
  super(descriptor.getName());
  this.descriptor = descriptor;
  this.writeMethod = introspectWriteMethod(descriptor);
}

代码示例来源：origin: com.eclipsesource.jaxrs/jersey-all

/**
 * Creates a proxy class and returns an instance of that class.
 *
 * @param paramTypes    parameter types for a constructor.
 * @param args          arguments passed to a constructor.
 * @param mh            the method handler for the proxy class.
 * @since 3.4
 */
public Object create(Class[] paramTypes, Object[] args, MethodHandler mh)
  throws NoSuchMethodException, IllegalArgumentException,
      InstantiationException, IllegalAccessException, InvocationTargetException
{
  Object obj = create(paramTypes, args);
  ((Proxy)obj).setHandler(mh);
  return obj;
}

代码示例来源：origin: hstaudacher/osgi-jax-rs-connector

/**
 * Creates a proxy class and returns an instance of that class.
 *
 * @param paramTypes    parameter types for a constructor.
 * @param args          arguments passed to a constructor.
 * @param mh            the method handler for the proxy class.
 * @since 3.4
 */
public Object create(Class[] paramTypes, Object[] args, MethodHandler mh)
  throws NoSuchMethodException, IllegalArgumentException,
      InstantiationException, IllegalAccessException, InvocationTargetException
{
  Object obj = create(paramTypes, args);
  ((Proxy)obj).setHandler(mh);
  return obj;
}

代码示例来源：origin: hstaudacher/osgi-jax-rs-connector

/**
 * Creates a proxy class and returns an instance of that class.
 *
 * @param paramTypes    parameter types for a constructor.
 * @param args          arguments passed to a constructor.
 * @param mh            the method handler for the proxy class.
 * @since 3.4
 */
public Object create(Class[] paramTypes, Object[] args, MethodHandler mh)
  throws NoSuchMethodException, IllegalArgumentException,
      InstantiationException, IllegalAccessException, InvocationTargetException
{
  Object obj = create(paramTypes, args);
  ((Proxy)obj).setHandler(mh);
  return obj;
}

代码示例来源：origin: org.hibernate.orm/hibernate-core

public Object getProxy() {
  try {
    final Proxy proxy = (Proxy) proxyClass.newInstance();
    proxy.setHandler( new PassThroughHandler( proxy, proxyClass.getName() ) );
    return proxy;
  }
  catch ( Throwable t ) {
    throw new HibernateException( "Unable to instantiated proxy instance" );
  }
}

代码示例来源：origin: pac4j/jax-rs-pac4j

@Path("proxied/class")
  public TestClassLevelResource proxiedResource() {
    try {
      final ProxyFactory factory = new ProxyFactory();
      factory.setSuperclass(TestClassLevelResource.class);
      final Proxy proxy = (Proxy) factory.createClass().newInstance();
      proxy.setHandler((self, overridden, proceed, args) -> {
        return proceed.invoke(self, args);
      });

      return (TestClassLevelResource) proxy;
    } catch (InstantiationException | IllegalAccessException e) {
      throw new AssertionError(e);
    }
  }
}

代码示例来源：origin: io.cloudslang.lang/cloudslang-entities

public static PyObjectValue create(Serializable content, boolean sensitive) {
  PyObject pyObject = Py.java2py(content);
  try {
    PyObjectValueProxyClass proxyClass = getProxyClass(pyObject);
    PyObjectValue pyObjectValue = (PyObjectValue) proxyClass.getConstructor()
        .newInstance(proxyClass.getParams());
    ((Proxy) pyObjectValue).setHandler(new PyObjectValueMethodHandler(content, sensitive, pyObject));
    return pyObjectValue;
  } catch (Exception e) {
    throw new RuntimeException("Failed to create a proxy to new instance for PyObjectValue and " +
        pyObject.getClass().getSimpleName(), e);
  }
}

代码示例来源：origin: CloudSlang/cloud-slang

public static PyObjectValue create(Serializable content, boolean sensitive) {
  PyObject pyObject = Py.java2py(content);
  try {
    PyObjectValueProxyClass proxyClass = getProxyClass(pyObject);
    PyObjectValue pyObjectValue = (PyObjectValue) proxyClass.getConstructor()
        .newInstance(proxyClass.getParams());
    ((Proxy) pyObjectValue).setHandler(new PyObjectValueMethodHandler(content, sensitive, pyObject));
    return pyObjectValue;
  } catch (Exception e) {
    throw new RuntimeException("Failed to create a proxy to new instance for PyObjectValue and " +
        pyObject.getClass().getSimpleName(), e);
  }
}

代码示例来源：origin: com.github.vindell/javassist-plus

public static <T> T getProxy(Class<T> proxyClass, MethodHandler handler) throws InstantiationException, IllegalAccessException {
  // 设置需要创建子类的父类
  proxyFactory.setSuperclass(proxyClass);
  proxyFactory.setFilter(new MethodFilter() {
    public boolean isHandled(Method m) {
      // ignore finalize()
      return !m.getName().equals("finalize");
    }
  });
  
  // 通过字节码技术动态创建子类实例
  Class<?> realClass = proxyFactory.createClass();
  Object proxy = realClass.newInstance();
  ((Proxy) proxy).setHandler(handler);
  return (T) proxy;
}

代码示例来源：origin: org.apache.isis.core/isis-core-wrapper

@SuppressWarnings("unchecked")
public <T> T instantiateProxy(final DelegatingInvocationHandler<T> handler) {
  final T toProxy = handler.getDelegate();
  final Class<T> clazz = (Class<T>) toProxy.getClass();
  if (clazz.isInterface()) {
    return Util.createInstance(clazz, handler, WrapperObject.class);
  } else {
    final ProxyFactory proxyFactory = proxyFactoryFor(clazz);
    final Class<T> enhancedClass = proxyFactory.createClass();
    final Proxy proxy = (Proxy) Util.createInstance(enhancedClass);
    proxy.setHandler(new MethodHandler() {
      @Override
      public Object invoke(Object self, Method thisMethod, Method proceed, Object[] args) throws Throwable {
        return handler.invoke(self, thisMethod, args);
      }
    });
    return (T) proxy;
  }
}

代码示例来源：origin: uk.co.blackpepper.bowman/bowman-client

private static <T> T createProxyInstance(Class<T> entityType, MethodHandlerChain handlerChain) {
  ProxyFactory factory = new ProxyFactory();
  if (ProxyFactory.isProxyClass(entityType)) {
    factory.setInterfaces(getNonProxyInterfaces(entityType));
    factory.setSuperclass(entityType.getSuperclass());
  }
  else {
    factory.setSuperclass(entityType);
  }
  factory.setFilter(handlerChain);
  
  Class<?> clazz = factory.createClass();
  T proxy = instantiateClass(clazz);
  ((Proxy) proxy).setHandler(handlerChain);
  return proxy;
}

代码示例来源：origin: BlackPepperSoftware/bowman

private static <T> T createProxyInstance(Class<T> entityType, MethodHandlerChain handlerChain) {
  ProxyFactory factory = new ProxyFactory();
  if (ProxyFactory.isProxyClass(entityType)) {
    factory.setInterfaces(getNonProxyInterfaces(entityType));
    factory.setSuperclass(entityType.getSuperclass());
  }
  else {
    factory.setSuperclass(entityType);
  }
  factory.setFilter(handlerChain);
  
  Class<?> clazz = factory.createClass();
  T proxy = instantiateClass(clazz);
  ((Proxy) proxy).setHandler(handlerChain);
  return proxy;
}

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