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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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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.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
*/
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);
AsyncProviderCallback callback = new AsyncProviderInvokerTube.AsyncProviderCallbackImpl(request);
AsyncWebServiceContext ctxt = new AsyncWebServiceContext(getEndpoint(),request);
AsyncProviderInvokerTube.LOGGER.fine("Invoking AsyncProvider Endpoint");
try {
getInvoker(request).invokeAsyncProvider(request, param, callback, ctxt);
} catch(Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
return doThrow(e);
}
// Suspend the Fiber. AsyncProviderCallback will resume the Fiber after
// it receives response.
return doSuspend();
}
private class AsyncProviderCallbackImpl implements AsyncProviderCallback<T> {
private final Packet request;
private final Fiber fiber;
public AsyncProviderCallbackImpl(Packet request) {
this.request = request;
this.fiber = Fiber.current();
}
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());
fiber.resume(packet);
}
public void sendError(@NotNull Throwable t) {
Exception e;
if (t instanceof RuntimeException) {
e = (RuntimeException)t;
} else {
e = new RuntimeException(t);
}
Packet packet = argsBuilder.getResponse(request, e, getEndpoint().getPort(), getEndpoint().getBinding());
fiber.resume(packet);
}
}
/**
* The single {@link javax.xml.ws.WebServiceContext} instance injected into application.
*/
private static final class AsyncWebServiceContext extends AbstractWebServiceContext {
final Packet packet;
AsyncWebServiceContext(WSEndpoint endpoint, Packet packet) {
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) {
throw new IllegalStateException("AsyncProviderInvokerTube's processException shouldn't be called.");
}
}