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org.apache.cxf.binding.coloc.ColocOutInterceptor Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.binding.coloc;
import java.util.List;
import java.util.ResourceBundle;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.binding.Binding;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.endpoint.ClientImpl;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.endpoint.ServerRegistry;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
//import org.apache.cxf.phase.PhaseInterceptorChain;
import org.apache.cxf.phase.PhaseManager;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.model.BindingOperationInfo;
import org.apache.cxf.service.model.EndpointInfo;
//import org.apache.cxf.service.model.OperationInfo;
import org.apache.cxf.transport.MessageObserver;
public class ColocOutInterceptor extends AbstractPhaseInterceptor {
private static final ResourceBundle BUNDLE = BundleUtils.getBundle(ColocOutInterceptor.class);
private static final Logger LOG = LogUtils.getL7dLogger(ClientImpl.class);
private static final String COLOCATED = Message.class.getName() + ".COLOCATED";
private MessageObserver colocObserver;
private Bus bus;
public ColocOutInterceptor() {
super(Phase.POST_LOGICAL);
}
public ColocOutInterceptor(Bus b) {
super(Phase.POST_LOGICAL);
bus = b;
}
public void setBus(Bus bus) {
this.bus = bus;
}
public void handleMessage(Message message) throws Fault {
if (bus == null) {
bus = message.getExchange().get(Bus.class);
if (bus == null) {
bus = BusFactory.getDefaultBus(false);
}
if (bus == null) {
throw new Fault(new org.apache.cxf.common.i18n.Message("BUS_NOT_FOUND", BUNDLE));
}
}
ServerRegistry registry = bus.getExtension(ServerRegistry.class);
if (registry == null) {
throw new Fault(new org.apache.cxf.common.i18n.Message("SERVER_REGISTRY_NOT_FOUND", BUNDLE));
}
Exchange exchange = message.getExchange();
Endpoint senderEndpoint = exchange.get(Endpoint.class);
if (senderEndpoint == null) {
throw new Fault(new org.apache.cxf.common.i18n.Message("ENDPOINT_NOT_FOUND",
BUNDLE));
}
BindingOperationInfo boi = exchange.get(BindingOperationInfo.class);
if (boi == null) {
throw new Fault(new org.apache.cxf.common.i18n.Message("OPERATIONINFO_NOT_FOUND",
BUNDLE));
}
Server srv = isColocated(registry.getServers(), senderEndpoint, boi);
if (srv != null) {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Operation:" + boi.getName() + " dispatched as colocated call.");
}
InterceptorChain outChain = message.getInterceptorChain();
outChain.abort();
exchange.put(Bus.class, bus);
message.put(COLOCATED, Boolean.TRUE);
message.put(Message.WSDL_OPERATION, boi.getName());
message.put(Message.WSDL_INTERFACE, boi.getBinding().getInterface().getName());
invokeColocObserver(message, srv.getEndpoint());
if (!exchange.isOneWay()) {
invokeInboundChain(exchange, senderEndpoint);
}
} else {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Operation:" + boi.getName() + " dispatched as remote call.");
}
message.put(COLOCATED, Boolean.FALSE);
}
}
protected void invokeColocObserver(Message outMsg, Endpoint inboundEndpoint) {
if (colocObserver == null) {
colocObserver = new ColocMessageObserver(inboundEndpoint, bus);
}
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Invoke on Coloc Observer.");
}
colocObserver.onMessage(outMsg);
}
protected void invokeInboundChain(Exchange ex, Endpoint ep) {
Message m = getInBoundMessage(ex);
Message inMsg = ep.getBinding().createMessage();
MessageImpl.copyContent(m, inMsg);
//Copy Response Context to Client inBound Message
//TODO a Context Filter Strategy required.
inMsg.putAll(m);
inMsg.put(Message.REQUESTOR_ROLE, Boolean.TRUE);
inMsg.put(Message.INBOUND_MESSAGE, Boolean.TRUE);
inMsg.setExchange(ex);
Exception exc = inMsg.getContent(Exception.class);
if (exc != null) {
ex.setInFaultMessage(inMsg);
ColocInFaultObserver observer = new ColocInFaultObserver(bus);
observer.onMessage(inMsg);
} else {
//Handle Response
ex.setInMessage(inMsg);
PhaseManager pm = bus.getExtension(PhaseManager.class);
SortedSet phases = new TreeSet(pm.getInPhases());
ColocUtil.setPhases(phases, Phase.USER_LOGICAL, Phase.PRE_INVOKE);
InterceptorChain chain = ColocUtil.getInInterceptorChain(ex, phases);
inMsg.setInterceptorChain(chain);
chain.doIntercept(inMsg);
}
ex.put(ClientImpl.FINISHED, Boolean.TRUE);
}
protected Message getInBoundMessage(Exchange ex) {
return (ex.getInFaultMessage() != null)
? ex.getInFaultMessage()
: ex.getInMessage();
}
protected void setMessageObserver(MessageObserver observer) {
colocObserver = observer;
}
protected Server isColocated(List servers, Endpoint endpoint, BindingOperationInfo boi) {
if (servers != null) {
Service senderService = endpoint.getService();
EndpointInfo senderEI = endpoint.getEndpointInfo();
for (Server s : servers) {
Endpoint receiverEndpoint = s.getEndpoint();
Service receiverService = receiverEndpoint.getService();
EndpointInfo receiverEI = receiverEndpoint.getEndpointInfo();
if (receiverService.getName().equals(senderService.getName())
&& receiverEI.getName().equals(senderEI.getName())) {
//Check For Operation Match.
BindingOperationInfo receiverOI = receiverEI.getBinding().getOperation(boi.getName());
if (receiverOI != null
&& isCompatibleOperationInfo(boi, receiverOI)) {
return s;
}
}
}
}
return null;
}
protected boolean isSameOperationInfo(BindingOperationInfo sender,
BindingOperationInfo receiver) {
return ColocUtil.isSameOperationInfo(sender.getOperationInfo(),
receiver.getOperationInfo());
}
protected boolean isCompatibleOperationInfo(BindingOperationInfo sender,
BindingOperationInfo receiver) {
return ColocUtil.isCompatibleOperationInfo(sender.getOperationInfo(),
receiver.getOperationInfo());
}
public void setExchangeProperties(Exchange exchange, Endpoint ep) {
exchange.put(Endpoint.class, ep);
exchange.put(Service.class, ep.getService());
exchange.put(Binding.class, ep.getBinding());
exchange.put(Bus.class, bus == null ? BusFactory.getDefaultBus(false) : bus);
}
}