/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.xml.internal.ws.server.provider; import com.sun.istack.internal.NotNull; import com.sun.istack.internal.Nullable; import com.sun.xml.internal.ws.api.message.Packet; import com.sun.xml.internal.ws.api.pipe.Fiber; import com.sun.xml.internal.ws.api.pipe.NextAction; import com.sun.xml.internal.ws.api.pipe.ThrowableContainerPropertySet; import com.sun.xml.internal.ws.api.pipe.Tube; import com.sun.xml.internal.ws.api.server.AsyncProvider; import com.sun.xml.internal.ws.api.server.AsyncProviderCallback; import com.sun.xml.internal.ws.api.server.Invoker; import com.sun.xml.internal.ws.api.server.WSEndpoint; import com.sun.xml.internal.ws.server.AbstractWebServiceContext; import java.util.logging.Level; import java.util.logging.Logger; /** * This {@link Tube} is used to invoke the {@link AsyncProvider} endpoints. * * @author Jitendra Kotamraju */ public // TODO needed by factory class AsyncProviderInvokerTube<T> extends ProviderInvokerTube<T> { private static final Logger LOGGER = Logger.getLogger( com.sun.xml.internal.ws.util.Constants.LoggingDomain + ".server.AsyncProviderInvokerTube"); public AsyncProviderInvokerTube(Invoker invoker, ProviderArgumentsBuilder<T> argsBuilder) { super(invoker, argsBuilder); } /* * This binds the parameter for Provider endpoints and invokes the * invoke() method of {@linke Provider} endpoint. The return value from * invoke() is used to create a new {@link Message} that traverses * through the Pipeline to transport. */ public @NotNull NextAction processRequest(@NotNull Packet request) { T param = argsBuilder.getParameter(request); NoSuspendResumer resumer = new NoSuspendResumer(); @SuppressWarnings({ "rawtypes", "unchecked" }) AsyncProviderCallbackImpl callback = new AsyncProviderInvokerTube.AsyncProviderCallbackImpl(request, resumer); AsyncWebServiceContext ctxt = new AsyncWebServiceContext(getEndpoint(),request); AsyncProviderInvokerTube.LOGGER.fine("Invoking AsyncProvider Endpoint"); try { getInvoker(request).invokeAsyncProvider(request, param, callback, ctxt); } catch(Throwable e) { LOGGER.log(Level.SEVERE, e.getMessage(), e); return doThrow(e); } synchronized(callback) { if (resumer.response != null) { // Only used by AsyncProvider<Packet> // Implementation may pass Packet containing throwable; use both ThrowableContainerPropertySet tc = resumer.response.getSatellite(ThrowableContainerPropertySet.class); Throwable t = (tc != null) ? tc.getThrowable() : null; return t != null ? doThrow(resumer.response, t) : doReturnWith(resumer.response); } // Suspend the Fiber. AsyncProviderCallback will resume the Fiber after // it receives response. callback.resumer = new FiberResumer(); return doSuspend(); } } private interface Resumer { public void onResume(Packet response); } /*private*/ public class FiberResumer implements Resumer { // TODO public for DISI private final Fiber fiber; public FiberResumer() { this.fiber = Fiber.current(); } public void onResume(Packet response) { // Only used by AsyncProvider<Packet> // Implementation may pass Packet containing throwable; use both ThrowableContainerPropertySet tc = response.getSatellite(ThrowableContainerPropertySet.class); Throwable t = (tc != null) ? tc.getThrowable() : null; fiber.resume(t, response); } } private class NoSuspendResumer implements Resumer { protected Packet response = null; public void onResume(Packet response) { this.response = response; } } /*private*/ public class AsyncProviderCallbackImpl implements AsyncProviderCallback<T> { // TODO public for DISI private final Packet request; private Resumer resumer; public AsyncProviderCallbackImpl(Packet request, Resumer resumer) { this.request = request; this.resumer = resumer; } public void send(@Nullable T param) { if (param == null) { if (request.transportBackChannel != null) { request.transportBackChannel.close(); } } Packet packet = argsBuilder.getResponse(request, param, getEndpoint().getPort(), getEndpoint().getBinding()); synchronized(this) { resumer.onResume(packet); } } public void sendError(@NotNull Throwable t) { Exception e; if (t instanceof Exception) { e = (Exception) t; } else { e = new RuntimeException(t); } Packet packet = argsBuilder.getResponse(request, e, getEndpoint().getPort(), getEndpoint().getBinding()); synchronized(this) { resumer.onResume(packet); } } } /** * The single {@link javax.xml.ws.WebServiceContext} instance injected into application. */ /*private static final*/ public class AsyncWebServiceContext extends AbstractWebServiceContext { // TODO public for DISI final Packet packet; public AsyncWebServiceContext(WSEndpoint endpoint, Packet packet) { // TODO public for DISI super(endpoint); this.packet = packet; } public @NotNull Packet getRequestPacket() { return packet; } } public @NotNull NextAction processResponse(@NotNull Packet response) { return doReturnWith(response); } public @NotNull NextAction processException(@NotNull Throwable t) { return doThrow(t); } }