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org.apache.cxf.transport.ChainInitiationObserver 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.transport;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import javax.xml.namespace.QName;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.binding.Binding;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.classloader.ClassLoaderUtils.ClassLoaderHolder;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Interceptor;
import org.apache.cxf.interceptor.InterceptorChain;
import org.apache.cxf.interceptor.InterceptorProvider;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.PhaseChainCache;
import org.apache.cxf.phase.PhaseManager;
import org.apache.cxf.service.Service;
import org.apache.cxf.service.model.EndpointInfo;
public class ChainInitiationObserver implements MessageObserver {
protected Endpoint endpoint;
protected Bus bus;
protected ClassLoader loader;
private PhaseChainCache chainCache = new PhaseChainCache();
public ChainInitiationObserver(Endpoint endpoint, Bus bus) {
super();
this.endpoint = endpoint;
this.bus = bus;
if (bus != null) {
loader = bus.getExtension(ClassLoader.class);
}
}
public void onMessage(Message m) {
Bus origBus = BusFactory.getAndSetThreadDefaultBus(bus);
ClassLoaderHolder origLoader = null;
try {
if (loader != null) {
origLoader = ClassLoaderUtils.setThreadContextClassloader(loader);
}
InterceptorChain phaseChain = null;
if (m.getInterceptorChain() != null) {
phaseChain = m.getInterceptorChain();
// To make sure the phase chain is run by one thread once
synchronized (phaseChain) {
if (phaseChain.getState() == InterceptorChain.State.PAUSED
|| phaseChain.getState() == InterceptorChain.State.SUSPENDED) {
phaseChain.resume();
return;
}
}
}
Message message = getBinding().createMessage(m);
Exchange exchange = message.getExchange();
if (exchange == null) {
exchange = new ExchangeImpl();
m.setExchange(exchange);
}
exchange.setInMessage(message);
setExchangeProperties(exchange, message);
InterceptorProvider dbp = null;
if (endpoint.getService().getDataBinding() instanceof InterceptorProvider) {
dbp = (InterceptorProvider)endpoint.getService().getDataBinding();
}
// setup chain
if (dbp == null) {
phaseChain = chainCache.get(bus.getExtension(PhaseManager.class).getInPhases(),
bus.getInInterceptors(),
endpoint.getService().getInInterceptors(),
endpoint.getInInterceptors(),
getBinding().getInInterceptors());
} else {
phaseChain = chainCache.get(bus.getExtension(PhaseManager.class).getInPhases(),
bus.getInInterceptors(),
endpoint.getService().getInInterceptors(),
endpoint.getInInterceptors(),
getBinding().getInInterceptors(),
dbp.getInInterceptors());
}
message.setInterceptorChain(phaseChain);
phaseChain.setFaultObserver(endpoint.getOutFaultObserver());
addToChain(phaseChain, message);
phaseChain.doIntercept(message);
} finally {
if (origBus != bus) {
BusFactory.setThreadDefaultBus(origBus);
}
if (origLoader != null) {
origLoader.reset();
}
}
}
private void addToChain(InterceptorChain chain, Message m) {
Collection providers
= CastUtils.cast((Collection)m.get(Message.INTERCEPTOR_PROVIDERS));
if (providers != null) {
for (InterceptorProvider p : providers) {
chain.add(p.getInInterceptors());
}
}
Collection> is
= CastUtils.cast((Collection)m.get(Message.IN_INTERCEPTORS));
if (is != null) {
chain.add(is);
}
if (m.getDestination() instanceof InterceptorProvider) {
chain.add(((InterceptorProvider)m.getDestination()).getInInterceptors());
}
}
protected Binding getBinding() {
return endpoint.getBinding();
}
protected void setExchangeProperties(Exchange exchange, Message m) {
exchange.put(Endpoint.class, endpoint);
exchange.put(Binding.class, getBinding());
exchange.put(Bus.class, bus);
if (exchange.getDestination() == null) {
exchange.setDestination(m.getDestination());
}
if (endpoint != null && endpoint.getService() != null) {
exchange.put(Service.class, endpoint.getService());
EndpointInfo endpointInfo = endpoint.getEndpointInfo();
if (endpointInfo.getService() != null) {
QName serviceQName = endpointInfo.getService().getName();
exchange.put(Message.WSDL_SERVICE, serviceQName);
QName interfaceQName = endpointInfo.getService().getInterface().getName();
exchange.put(Message.WSDL_INTERFACE, interfaceQName);
QName portQName = endpointInfo.getName();
exchange.put(Message.WSDL_PORT, portQName);
URI wsdlDescription = endpointInfo.getProperty("URI", URI.class);
if (wsdlDescription == null && !endpointInfo.hasProperty("URI")) {
String address = endpointInfo.getAddress();
try {
wsdlDescription = new URI(address + "?wsdl");
} catch (URISyntaxException e) {
// do nothing
}
endpointInfo.setProperty("URI", wsdlDescription);
}
exchange.put(Message.WSDL_DESCRIPTION, wsdlDescription);
}
} else {
exchange.put(Service.class, null);
}
}
public Endpoint getEndpoint() {
return endpoint;
}
}
