Example usage for java.lang.reflect Proxy newProxyInstance

List of usage examples for java.lang.reflect Proxy newProxyInstance

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Introduction

In this page you can find the example usage for java.lang.reflect Proxy newProxyInstance.

Prototype

private static Object newProxyInstance(Class<?> caller, 
            Constructor<?> cons, InvocationHandler h)

Source Link

Usage

From source file:org.apache.olingo.ext.proxy.commons.PrimitiveCollectionInvocationHandler.java

@Override
public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
    if ("filter".equals(method.getName()) || "top".equals(method.getName()) || "skip".equals(method.getName())
            || "execute".equals(method.getName()) || "executeAsync".equals(method.getName())) {

        invokeSelfMethod(method, args);//from  www.jav  a 2 s.com
        return proxy;
    } else if (isSelfMethod(method)) {
        return invokeSelfMethod(method, args);
    } else if ("operations".equals(method.getName()) && ArrayUtils.isEmpty(args)) {
        final Class<?> returnType = method.getReturnType();

        return Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(),
                new Class<?>[] { returnType }, OperationInvocationHandler.getInstance(this));
    } else {
        throw new NoSuchMethodException(method.getName());
    }
}

From source file:com.miranteinfo.seam.core.Init.java

@Observer("org.jboss.seam.postInitialization")
public void configure() throws Exception {

    boolean sessionFactoryConfigured = false;
    Object component = null;/*from  w  w  w .  j  a v  a 2  s .c o m*/

    for (String name : Contexts.getApplicationContext().getNames()) {
        component = Contexts.getApplicationContext().get(name);

        if (component instanceof EntityManagerFactory) {

            javax.persistence.EntityManagerFactory emf = ((EntityManagerFactory) component)
                    .getEntityManagerFactory();
            Field field = emf.getClass().getDeclaredField("sessionFactory");
            field.setAccessible(true);
            Object sf = field.get(emf);
            field.set(emf, Proxy.newProxyInstance(Init.class.getClassLoader(), sf.getClass().getInterfaces(),
                    new SessionFactoryProxy((SessionFactory) sf)));
            configure((SessionFactoryImpl) sf);
            sessionFactoryConfigured = true;

        } else if (component instanceof HibernateSessionFactory) {

            HibernateSessionFactory hsf = (HibernateSessionFactory) component;
            Field field = HibernateSessionFactory.class.getDeclaredField("sessionFactory");
            field.setAccessible(true);
            SessionFactory sf = hsf.getSessionFactory();
            field.set(hsf, Proxy.newProxyInstance(Init.class.getClassLoader(), sf.getClass().getInterfaces(),
                    new SessionFactoryProxy(sf)));
            configure((SessionFactoryImpl) sf);
            sessionFactoryConfigured = true;

        }

    }

    if (!sessionFactoryConfigured) {
        log.warn("No SessionFactory is configured...");
    }

}

From source file:cat.albirar.framework.proxy.ProxyFactory.java

/**
 * Create a proxy for the indicated type.
 * @param handler The handler//from w w w  .  ja  va2 s  .  c om
 * @param type The type, should to be a interface type
 * @return The proxy
 */
@SuppressWarnings("unchecked")
private <T> T newProxyForInterface(java.lang.reflect.InvocationHandler handler, Class<T> type) {
    Assert.isTrue(type.isInterface(), "The type should to be an interface");
    return (T) Proxy.newProxyInstance(type.getClassLoader(), new Class[] { type }, handler);
}

From source file:org.apache.ftpserver.FtpLogFactory.java

/**
 * Create a proxy log object to redirect log message.
 *///www. ja  v a2 s  .  c om
private Log createProxyLog(final Log original) {
    InvocationHandler handler = new InvocationHandler() {
        public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
            Object retVal = m.invoke(original, args);
            for (int i = m_logs.size(); --i >= 0;) {
                Log log = (Log) m_logs.get(i);
                m.invoke(log, args);
            }
            return retVal;
        }
    };

    return (Log) Proxy.newProxyInstance(getClass().getClassLoader(), new Class[] { Log.class }, handler);
}

From source file:org.eclipse.wb.internal.rcp.model.rcp.EditorPartInfo.java

private void setEditorSite() throws Exception {
    ClassLoader editorLoader = JavaInfoUtils.getClassLoader(this);
    Class<?> editorSiteClass = editorLoader.loadClass("org.eclipse.ui.IEditorSite");
    Class<?> editorInputClass = editorLoader.loadClass("org.eclipse.ui.IEditorInput");
    // create IEditorSite
    Object editorSite = Proxy.newProxyInstance(editorLoader, new Class<?>[] { editorSiteClass },
            new InvocationHandler() {
                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                    String signature = ReflectionUtils.getMethodSignature(method);
                    if (signature.equals("toString()")) {
                        return "IEditorSite_stub";
                    }//from   w  w w .ja  v a2 s  .c om
                    if (signature.equals("hashCode()")) {
                        return 0;
                    }
                    if (signature.equals("getId()")) {
                        return getID();
                    }
                    if (signature.equals("getWorkbenchWindow()")) {
                        return DesignerPlugin.getActiveWorkbenchWindow();
                    }
                    // IServiceLocator
                    if (signature.equals("hasService(java.lang.Class)")) {
                        IServiceLocator serviceLocator = DesignerPlugin.getActiveWorkbenchWindow();
                        return serviceLocator.hasService((Class<?>) args[0]);
                    }
                    if (signature.equals("getService(java.lang.Class)")) {
                        IServiceLocator serviceLocator = DesignerPlugin.getActiveWorkbenchWindow();
                        return serviceLocator.getService((Class<?>) args[0]);
                    }
                    // not implemented
                    throw new NotImplementedException(method.toString());
                }
            });
    // create org.eclipse.ui.IEditorInput
    Object editorInput = Proxy.newProxyInstance(editorLoader, new Class<?>[] { editorInputClass },
            new InvocationHandler() {
                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                    Class<?> returnType = method.getReturnType();
                    return ReflectionUtils.getDefaultValue(returnType);
                }
            });
    // call init(IEditorSite,IEditorInput)
    ReflectionUtils.invokeMethod(getObject(), "init(org.eclipse.ui.IEditorSite,org.eclipse.ui.IEditorInput)",
            editorSite, editorInput);
}

From source file:org.apache.jena.security.impl.ItemHolder.java

/**
 * Creates the proxy, saves it as the securedItem and returns it.
 * /* w ww  .jav a  2s  .c o  m*/
 * @param handler
 *            The SecuredItemInvoker to create the proxy with.
 * @return The proxy.
 */
@SuppressWarnings("unchecked")
public final Secured setSecuredItem(final SecuredItemInvoker handler) {
    final Set<Class<?>> ifac = new LinkedHashSet<Class<?>>();
    if (baseItem.getClass().isInterface()) {
        ifac.add(baseItem.getClass());
    }
    ifac.addAll(ClassUtils.getAllInterfaces(baseItem.getClass()));
    if (handler.securedItem.getClass().isInterface()) {
        ifac.add(handler.securedItem.getClass());
    }
    ifac.addAll(ClassUtils.getAllInterfaces(handler.securedItem.getClass()));

    securedItem = (Secured) Proxy.newProxyInstance(SecuredItemImpl.class.getClassLoader(),
            ifac.toArray(new Class<?>[ifac.size()]), handler);
    return securedItem;
}

From source file:com.lambdaworks.redis.RedisConnectionPool.java

private PooledObjectFactory<T> createFactory(final RedisConnectionProvider<T> redisConnectionProvider) {
    return new BasePooledObjectFactory<T>() {

        @SuppressWarnings("unchecked")
        @Override// www.java  2 s  .c o  m
        public T create() throws Exception {

            T connection = redisConnectionProvider.createConnection();
            PooledConnectionInvocationHandler<T> h = new PooledConnectionInvocationHandler<>(connection,
                    RedisConnectionPool.this);

            Object proxy = Proxy.newProxyInstance(getClass().getClassLoader(),
                    new Class<?>[] { redisConnectionProvider.getComponentType() }, h);

            return (T) proxy;
        }

        @Override
        public PooledObject<T> wrap(T obj) {
            return new DefaultPooledObject<>(obj);
        }

        @Override
        public boolean validateObject(PooledObject<T> p) {
            return Connections.isOpen(p.getObject());
        }

        @Override
        @SuppressWarnings("unchecked")
        public void destroyObject(PooledObject<T> p) throws Exception {

            T object = p.getObject();
            if (Proxy.isProxyClass(object.getClass())) {
                PooledConnectionInvocationHandler<T> invocationHandler = (PooledConnectionInvocationHandler<T>) Proxy
                        .getInvocationHandler(object);

                object = invocationHandler.getConnection();
            }

            Connections.close(object);
        }
    };
}

From source file:org.apache.jena.permissions.impl.ItemHolder.java

/**
 * Creates the proxy, saves it as the securedItem and returns it.
 * //  ww w . j av  a2s. c o m
 * @param handler
 *            The SecuredItemInvoker to create the proxy with.
 * @return The proxy.
 */
@SuppressWarnings("unchecked")
public final Secured setSecuredItem(final SecuredItemInvoker handler) {
    final Set<Class<?>> ifac = new LinkedHashSet<>();
    if (baseItem.getClass().isInterface()) {
        ifac.add(baseItem.getClass());
    }
    ifac.addAll(ClassUtils.getAllInterfaces(baseItem.getClass()));
    if (handler.securedItem.getClass().isInterface()) {
        ifac.add(handler.securedItem.getClass());
    }
    ifac.addAll(ClassUtils.getAllInterfaces(handler.securedItem.getClass()));

    securedItem = (Secured) Proxy.newProxyInstance(SecuredItemImpl.class.getClassLoader(),
            ifac.toArray(new Class<?>[ifac.size()]), handler);
    return securedItem;
}

From source file:com.moss.jaxwslite.Service.java

public Service(HttpClient client, String url, ServiceType type) {

    if (url.endsWith("?wsdl")) {

        this.url = url.substring(0, url.length() - 5);

        if (log.isDebugEnabled()) {
            log.debug("Excluding ?wsdl parameter from url: " + url + " -> " + this.url);
        }//from   w  ww.  j a v a 2s  .co  m
    } else {
        this.url = url;
    }

    this.client = client;
    this.type = type;

    ClassLoader cl = this.getClass().getClassLoader();
    Class[] interfaces = new Class[] { type.iface() };
    proxy = Proxy.newProxyInstance(cl, interfaces, this);
}