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.bytesoft.bytetcc.supports.dubbo.CompensableDubboServiceFilter.java

public Result providerInvoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
    RemoteCoordinatorRegistry remoteCoordinatorRegistry = RemoteCoordinatorRegistry.getInstance();
    CompensableBeanRegistry beanRegistry = CompensableBeanRegistry.getInstance();
    CompensableBeanFactory beanFactory = beanRegistry.getBeanFactory();
    RemoteCoordinator consumeCoordinator = beanRegistry.getConsumeCoordinator();
    TransactionInterceptor transactionInterceptor = beanFactory.getTransactionInterceptor();
    CompensableManager transactionManager = beanFactory.getCompensableManager();

    URL targetUrl = invoker.getUrl();
    String targetAddr = targetUrl.getIp();
    int targetPort = targetUrl.getPort();
    String address = String.format("%s:%s", targetAddr, targetPort);
    InvocationContext invocationContext = new InvocationContext();
    invocationContext.setServerHost(targetAddr);
    invocationContext.setServerPort(targetPort);

    RemoteCoordinator remoteCoordinator = remoteCoordinatorRegistry.getTransactionManagerStub(address);
    if (remoteCoordinator == null) {
        DubboRemoteCoordinator dubboCoordinator = new DubboRemoteCoordinator();
        dubboCoordinator.setInvocationContext(invocationContext);
        dubboCoordinator.setRemoteCoordinator(consumeCoordinator);

        remoteCoordinator = (RemoteCoordinator) Proxy.newProxyInstance(
                DubboRemoteCoordinator.class.getClassLoader(), new Class[] { RemoteCoordinator.class },
                dubboCoordinator);/* w  ww  .  j  a  va2  s  .com*/
        remoteCoordinatorRegistry.putTransactionManagerStub(address, remoteCoordinator);
    }

    Result result = null;

    TransactionRequestImpl request = new TransactionRequestImpl();
    request.setTargetTransactionCoordinator(remoteCoordinator);

    TransactionResponseImpl response = new TransactionResponseImpl();
    response.setSourceTransactionCoordinator(remoteCoordinator);
    try {
        // String transactionContextContent = RpcContext.getContext()
        // .getAttachment(TransactionContext.class.getName());
        String transactionContextContent = invocation.getAttachment(TransactionContext.class.getName());
        if (StringUtils.isNotBlank(transactionContextContent)) {
            byte[] requestByteArray = ByteUtils.stringToByteArray(transactionContextContent);
            ByteArrayInputStream bais = new ByteArrayInputStream(requestByteArray);
            HessianInput input = new HessianInput(bais);
            TransactionContext remoteTransactionContext = (TransactionContext) input.readObject();
            request.setTransactionContext(remoteTransactionContext);
        }
        transactionInterceptor.afterReceiveRequest(request);

        result = invoker.invoke(invocation);

        Transaction transaction = transactionManager.getCompensableTransactionQuietly();
        TransactionContext nativeTransactionContext = transaction == null ? null
                : transaction.getTransactionContext();

        response.setTransactionContext(nativeTransactionContext);

        transactionInterceptor.beforeSendResponse(response);
        if (StringUtils.isNotBlank(transactionContextContent)) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            HessianOutput output = new HessianOutput(baos);
            output.writeObject(nativeTransactionContext);
            String nativeTansactionContextContent = ByteUtils.byteArrayToString(baos.toByteArray());
            // RpcContext.getContext().setAttachment(TransactionContext.class.getName(),
            // nativeTansactionContextContent);
            invocation.getAttachments().put(TransactionContext.class.getName(), nativeTansactionContextContent);
        }
    } catch (IOException ex) {
        // TODO
        ex.printStackTrace();
    } catch (RpcException rex) {
        // TODO
        rex.printStackTrace();
    } catch (RuntimeException rex) {
        // TODO
        rex.printStackTrace();
    }
    return result;
}

From source file:com.github.yongchristophertang.engine.web.request.TestRequestBuilders.java

/**
 * Create a {@code T} instance which is a proxy for the interface {@code clientIface}. Typically methods in
 * {@code clientIface} will return a {@link com.github.yongchristophertang.engine.web.request.RequestBuilder} or, more
 * concrete, {@link HttpRequestBuilders}.
 *
 * @param clientIface the API method definition interface
 * @param <T>         Inteface class
 * @return {@code T} instance// w  w w  .  j  a  v  a  2  s.  co m
 */
@SuppressWarnings("unchecked")
public static <T> T api(Class<T> clientIface) throws Exception {
    return (T) Proxy.newProxyInstance(TestRequestBuilders.class.getClassLoader(),
            new Class<?>[] { clientIface }, RequestProxy.getInstance());
}

From source file:com.mirth.connect.connectors.jms.xa.ConnectionFactoryWrapper.java

public QueueConnection createQueueConnection(String username, String password) throws JMSException {
    XAQueueConnection xaqc = ((XAQueueConnectionFactory) factory).createXAQueueConnection(username, password);
    QueueConnection proxy = (QueueConnection) Proxy.newProxyInstance(Connection.class.getClassLoader(),
            new Class[] { QueueConnection.class }, new ConnectionInvocationHandler(xaqc));
    return proxy;
}

From source file:org.apache.cocoon.servletservice.DispatcherServlet.java

protected void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    final Map mountableServlets = getBlockServletMap();
    String path = req.getPathInfo();
    if (path == null) {
        path = "";
    }/*from   w  w  w .  ja  v  a  2s  .c o m*/

    // find the servlet which mount path is the longest prefix of the path info
    int index = path.length();
    Servlet servlet = null;
    while (servlet == null && index != -1) {
        path = path.substring(0, index);
        servlet = (Servlet) mountableServlets.get(path);
        index = path.lastIndexOf('/');
    }
    //case when servlet is mounted at "/" must be handled separately
    servlet = servlet == null ? (Servlet) mountableServlets.get("/") : servlet;
    if (servlet == null) {
        String message = "No block for " + req.getPathInfo();
        res.sendError(HttpServletResponse.SC_NOT_FOUND, message);
        this.logger.info(message);
        return;
    }

    // Create a dynamic proxy class that overwrites the getServletPath and
    // getPathInfo methods to provide reasonable values in the called servlet
    // the dynamic proxy implements all interfaces of the original request
    HttpServletRequest request = (HttpServletRequest) Proxy.newProxyInstance(req.getClass().getClassLoader(),
            getInterfaces(req.getClass()), new DynamicProxyRequestHandler(req, path));

    if (this.logger.isDebugEnabled()) {
        this.logger.debug("DispatcherServlet: service servlet=" + servlet + " mountPath=" + path
                + " servletPath=" + request.getServletPath() + " pathInfo=" + request.getPathInfo());
    }

    servlet.service(request, res);
}

From source file:org.bytesoft.bytetcc.supports.dubbo.spi.CompensableServiceFilter.java

public Result providerInvoke(Invoker<?> invoker, Invocation invocation) throws RpcException, RemotingException {
    RemoteCoordinatorRegistry remoteCoordinatorRegistry = RemoteCoordinatorRegistry.getInstance();
    CompensableBeanRegistry beanRegistry = CompensableBeanRegistry.getInstance();
    RemoteCoordinator consumeCoordinator = beanRegistry.getConsumeCoordinator();

    URL targetUrl = invoker.getUrl();
    String targetAddr = targetUrl.getIp();
    int targetPort = targetUrl.getPort();
    String address = String.format("%s:%s", targetAddr, targetPort);
    InvocationContext invocationContext = new InvocationContext();
    invocationContext.setServerHost(targetAddr);
    invocationContext.setServerPort(targetPort);

    RemoteCoordinator remoteCoordinator = remoteCoordinatorRegistry.getTransactionManagerStub(address);
    if (remoteCoordinator == null) {
        DubboRemoteCoordinator dubboCoordinator = new DubboRemoteCoordinator();
        dubboCoordinator.setInvocationContext(invocationContext);
        dubboCoordinator.setRemoteCoordinator(consumeCoordinator);

        remoteCoordinator = (RemoteCoordinator) Proxy.newProxyInstance(
                DubboRemoteCoordinator.class.getClassLoader(), new Class[] { RemoteCoordinator.class },
                dubboCoordinator);/*from  w  w w . j a  va2 s. c o  m*/
        remoteCoordinatorRegistry.putTransactionManagerStub(address, remoteCoordinator);
    }

    TransactionRequestImpl request = new TransactionRequestImpl();
    request.setTargetTransactionCoordinator(remoteCoordinator);

    TransactionResponseImpl response = new TransactionResponseImpl();
    response.setSourceTransactionCoordinator(remoteCoordinator);
    try {
        this.beforeProviderInvoke(invocation, request, response);
        return invoker.invoke(invocation);
    } catch (RemotingException rex) {
        throw rex;
    } catch (RuntimeException rex) {
        logger.error("Error occurred in remote call!", rex);
        throw new RemotingException(rex.getMessage());
    } finally {
        this.afterProviderInvoke(invocation, request, response);
    }

}

From source file:com.intelligentsia.dowsers.entity.serializer.EntityMapper.java

/**
 * Method that can be used to parse JSON to specified Java value, using
 * reader provided./*from  w w w  .ja v  a  2 s .co m*/
 * 
 * @param reader
 * @param valueType
 * @return
 * @throws DowsersException
 */
@SuppressWarnings("unchecked")
public <T> T readValue(final Reader reader, final Class<T> valueType) throws DowsersException {
    if (valueType.isInterface() || Modifier.isAbstract(valueType.getModifiers())) {
        try {
            final EntityProxy entityProxy = mapper.readValue(reader, EntityProxy.class);
            return (T) Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(),
                    new Class[] { valueType, EntityProxyHandler.class }, entityProxy);
        } catch (final Throwable e) {
            throw new DowsersException(e);
        }
    }
    try {
        return mapper.readValue(reader, valueType);
    } catch (final Throwable e) {
        throw new DowsersException(e);
    }
}

From source file:com.github.hrpc.rpc.ProtobufRpcEngine.java

@Override
public ProtocolProxy<ProtocolMetaInfoPB> getProtocolMetaInfoProxy(ConnectionId connId, Option conf,
        SocketFactory factory) throws IOException {
    Class<ProtocolMetaInfoPB> protocol = ProtocolMetaInfoPB.class;
    return new ProtocolProxy<ProtocolMetaInfoPB>(protocol,
            (ProtocolMetaInfoPB) Proxy.newProxyInstance(protocol.getClassLoader(), new Class[] { protocol },
                    new Invoker(protocol, connId, conf, factory)));
}

From source file:org.bytesoft.bytetcc.supports.serialize.XAResourceDeserializerImpl.java

public XAResource deserialize(String identifier) {
    try {// ww w  .jav  a 2 s  .c  o m
        Object bean = this.applicationContext.getBean(identifier);
        XAResource cachedResource = this.cachedResourceMap.get(identifier);
        if (cachedResource == null) {
            cachedResource = this.deserializeResource(identifier, bean);
            if (cachedResource != null) {
                this.cachedResourceMap.put(identifier, cachedResource);
            }
        }
        return cachedResource;
    } catch (BeansException bex) {
        Matcher matcher = pattern.matcher(identifier);
        if (matcher.find()) {
            RemoteCoordinatorRegistry registry = RemoteCoordinatorRegistry.getInstance();
            RemoteCoordinator coordinator = registry.getTransactionManagerStub(identifier);
            if (coordinator == null) {
                String[] array = identifier.split("\\:");
                InvocationContext invocationContext = new InvocationContext();
                invocationContext.setServerHost(array[0]);
                invocationContext.setServerPort(Integer.valueOf(array[1]));

                CompensableBeanRegistry beanRegistry = CompensableBeanRegistry.getInstance();
                RemoteCoordinator consumeCoordinator = beanRegistry.getConsumeCoordinator();

                DubboRemoteCoordinator dubboCoordinator = new DubboRemoteCoordinator();
                dubboCoordinator.setInvocationContext(invocationContext);
                dubboCoordinator.setRemoteCoordinator(consumeCoordinator);

                coordinator = (RemoteCoordinator) Proxy.newProxyInstance(
                        DubboRemoteCoordinator.class.getClassLoader(), new Class[] { RemoteCoordinator.class },
                        dubboCoordinator);
                registry.putTransactionManagerStub(identifier, coordinator);
            }

            return registry.getTransactionManagerStub(identifier);
        } else {
            logger.error("can not find a matching xa-resource(identifier= {})!", identifier);
            return null;
        }
    } catch (Exception ex) {
        logger.error("can not find a matching xa-resource(identifier= {})!", identifier);
        return null;
    }

}

From source file:org.bytesoft.bytejta.supports.serialize.XAResourceDeserializerImpl.java

public XAResource deserialize(String identifier) {
    try {// w  w w.ja  v  a 2  s . c om
        Object bean = this.applicationContext.getBean(identifier);
        XAResource cachedResource = this.cachedResourceMap.get(identifier);
        if (cachedResource == null) {
            cachedResource = this.deserializeResource(identifier, bean);
            if (cachedResource != null) {
                this.cachedResourceMap.put(identifier, cachedResource);
            }
        }
        return cachedResource;
    } catch (BeansException bex) {
        Matcher matcher = pattern.matcher(identifier);
        if (matcher.find()) {
            RemoteCoordinatorRegistry registry = RemoteCoordinatorRegistry.getInstance();
            RemoteCoordinator coordinator = registry.getTransactionManagerStub(identifier);
            if (coordinator == null) {
                String[] array = identifier.split("\\:");
                InvocationContext invocationContext = new InvocationContext();
                invocationContext.setServerHost(array[0]);
                invocationContext.setServerPort(Integer.valueOf(array[1]));

                TransactionBeanRegistry beanRegistry = TransactionBeanRegistry.getInstance();
                RemoteCoordinator consumeCoordinator = beanRegistry.getConsumeCoordinator();

                DubboRemoteCoordinator dubboCoordinator = new DubboRemoteCoordinator();
                dubboCoordinator.setInvocationContext(invocationContext);
                dubboCoordinator.setRemoteCoordinator(consumeCoordinator);

                coordinator = (RemoteCoordinator) Proxy.newProxyInstance(
                        DubboRemoteCoordinator.class.getClassLoader(), new Class[] { RemoteCoordinator.class },
                        dubboCoordinator);
                registry.putTransactionManagerStub(identifier, coordinator);
            }

            return registry.getTransactionManagerStub(identifier);
        } else {
            logger.error("can not find a matching xa-resource(identifier= {})!", identifier);
            return null;
        }
    } catch (Exception ex) {
        logger.error("can not find a matching xa-resource(identifier= {})!", identifier);
        return null;
    }

}

From source file:com.jaliansystems.activeMQLite.impl.ObjectRepository.java

/**
 * Lookup a handle/*from ww  w .ja  v a2  s  . c  o m*/
 * 
 * Looks up a handle in the local repository. If it does not exist in the
 * local repository (it is a remote handle), creates a remote proxy to
 * handle the method invocations on the object.
 * 
 * @param handle
 *            the object handle to be looked up
 * @param client
 *            the repository client
 * @return the object
 * @throws Exception
 *             the exception
 */
public Object lookupHandle(ObjectHandle handle, RepositoryClient client) throws Exception {
    if (list.contains(handle)) {
        int index = list.indexOf(handle);
        return list.get(index).getObject();
    }
    RemoteInvocationHandler handler = new RemoteInvocationHandler(handle, client);
    return Proxy.newProxyInstance(handle.getIFace().getClassLoader(),
            new Class[] { handle.getIFace(), IProxy.class }, handler);
}