com.sun.xml.ws.server.InvokerTube Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://glassfish.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2006 Sun Microsystems Inc. All Rights Reserved
*/
package com.sun.xml.ws.server;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.pipe.TubeCloner;
import com.sun.xml.ws.api.pipe.helper.AbstractTubeImpl;
import com.sun.xml.ws.api.server.*;
import com.sun.xml.ws.resources.ServerMessages;
import com.sun.xml.ws.server.provider.ProviderInvokerTube;
import com.sun.xml.ws.server.sei.SEIInvokerTube;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.WebServiceException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Base code for {@link ProviderInvokerTube} and {@link SEIInvokerTube}.
*
*
* This hides {@link InstanceResolver} and performs a set up
* necessary for {@link WebServiceContext} to correctly.
*
* @author Kohsuke Kawaguchi
*/
public abstract class InvokerTube extends AbstractTubeImpl {
private final Invoker invoker;
private WSEndpoint endpoint;
protected InvokerTube(Invoker invoker) {
this.invoker = invoker;
}
public void setEndpoint(WSEndpoint endpoint) {
this.endpoint = endpoint;
WSWebServiceContext webServiceContext = new AbstractWebServiceContext(endpoint) {
public @Nullable Packet getRequestPacket() {
Packet p = packets.get();
return p;
}
};
invoker.start(webServiceContext,endpoint);
}
protected WSEndpoint getEndpoint() {
return endpoint;
}
/**
* Returns the application object that serves the request.
*
public final @NotNull T getServant(Packet request) {
// this allows WebServiceContext to find this packet
packets.set(request);
return invoker.resolve(request);
}
*/
/**
* Returns the {@link Invoker} object that serves the request.
*/
public final @NotNull Invoker getInvoker(Packet request) {
return wrapper;
}
/**
* processRequest() and processResponse() do not share any instance variables
* while processing the request. {@link InvokerTube} is stateless and terminal,
* so no need to create copies.
*/
public final AbstractTubeImpl copy(TubeCloner cloner) {
cloner.add(this,this);
return this;
}
public void preDestroy() {
invoker.dispose();
}
/**
* Heart of {@link WebServiceContext}.
* Remembers which thread is serving which packet.
*/
private static final ThreadLocal packets = new ThreadLocal();
/**
* This method can be called while the user service is servicing the request
* synchronously, to obtain the current request packet.
*
*
* This is primarily designed for {@link StatefulInstanceResolver}. Use with care.
*/
public static @NotNull Packet getCurrentPacket() {
Packet packet = packets.get();
if(packet==null)
throw new WebServiceException(ServerMessages.NO_CURRENT_PACKET());
return packet;
}
/**
* {@link Invoker} filter that sets and restores the current packet.
*/
private final Invoker wrapper = new Invoker() {
@Override
public Object invoke(Packet p, Method m, Object... args) throws InvocationTargetException, IllegalAccessException {
Packet old = set(p);
try {
return invoker.invoke(p, m, args);
} finally {
set(old);
}
}
@Override
public T invokeProvider(Packet p, T arg) throws IllegalAccessException, InvocationTargetException {
Packet old = set(p);
try {
return invoker.invokeProvider(p, arg);
} finally {
set(old);
}
}
@Override
public void invokeAsyncProvider(Packet p, T arg, AsyncProviderCallback cbak, WebServiceContext ctxt) throws IllegalAccessException, InvocationTargetException {
Packet old = set(p);
try {
invoker.invokeAsyncProvider(p, arg, cbak, ctxt);
} finally {
set(old);
}
}
private Packet set(Packet p) {
Packet old = packets.get();
packets.set(p);
return old;
}
};
}