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/*
* 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.servicemix.sca.builder;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.servicemix.sca.assembly.JbiBinding;
import org.apache.servicemix.sca.config.JbiServiceEntryPointContextFactory;
import org.apache.tuscany.core.builder.BuilderException;
import org.apache.tuscany.core.builder.ContextFactoryBuilder;
import org.apache.tuscany.core.builder.impl.EntryPointContextFactory;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.core.context.AggregateContext;
import org.apache.tuscany.core.context.QualifiedName;
import org.apache.tuscany.core.invocation.Interceptor;
import org.apache.tuscany.core.invocation.InvocationConfiguration;
import org.apache.tuscany.core.invocation.InvocationRuntimeException;
import org.apache.tuscany.core.invocation.ProxyConfiguration;
import org.apache.tuscany.core.invocation.TargetInvoker;
import org.apache.tuscany.core.invocation.spi.ProxyFactory;
import org.apache.tuscany.core.invocation.spi.ProxyFactoryFactory;
import org.apache.tuscany.core.message.Message;
import org.apache.tuscany.core.message.MessageFactory;
import org.apache.tuscany.core.runtime.RuntimeContext;
import org.apache.tuscany.core.system.annotation.Autowire;
import org.apache.tuscany.model.assembly.AssemblyModelObject;
import org.apache.tuscany.model.assembly.ConfiguredService;
import org.apache.tuscany.model.assembly.EntryPoint;
import org.apache.tuscany.model.assembly.Service;
import org.apache.tuscany.model.assembly.ServiceContract;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Scope;
@Scope("MODULE")
public class JbiServiceEntryPointBuilder implements ContextFactoryBuilder<AggregateContext> {
private RuntimeContext runtimeContext;
private ProxyFactoryFactory proxyFactoryFactory;
private MessageFactory messageFactory;
private ContextFactoryBuilder policyBuilder;
public JbiServiceEntryPointBuilder() {
}
@Init(eager = true)
public void init() {
runtimeContext.addBuilder(this);
}
/**
* @param runtimeContext The runtimeContext to set.
*/
@Autowire
public void setRuntimeContext(RuntimeContext runtimeContext) {
this.runtimeContext = runtimeContext;
}
/**
* Sets the factory used to construct proxies implmementing the business interface required by a reference
*/
@Autowire
public void setProxyFactoryFactory(ProxyFactoryFactory factory) {
this.proxyFactoryFactory = factory;
}
/**
* Sets the factory used to construct invocation messages
*
* @param msgFactory
*/
@Autowire
public void setMessageFactory(MessageFactory msgFactory) {
this.messageFactory = msgFactory;
}
/**
* Sets a builder responsible for creating source-side and target-side invocation chains for a reference. The
* reference builder may be hierarchical, containing other child reference builders that operate on specific
* metadata used to construct and invocation chain.
*
* @see org.apache.tuscany.core.builder.impl.HierarchicalBuilder
*/
public void setPolicyBuilder(ContextFactoryBuilder builder) {
policyBuilder = builder;
}
public void build(AssemblyModelObject object) throws BuilderException {
if (!(object instanceof EntryPoint)) {
return;
}
EntryPoint entryPoint = (EntryPoint) object;
if (entryPoint.getBindings().size() < 1 || !(entryPoint.getBindings().get(0) instanceof JbiBinding)) {
return;
}
EntryPointContextFactory config = new JbiServiceEntryPointContextFactory(entryPoint.getName(), entryPoint.getConfiguredService().getService().getName(), messageFactory);
ConfiguredService configuredService = entryPoint.getConfiguredService();
Service service = configuredService.getService();
ServiceContract serviceContract = service.getServiceContract();
Map<Method, InvocationConfiguration> iConfigMap = new HashMap<Method, InvocationConfiguration>();
ProxyFactory proxyFactory = proxyFactoryFactory.createProxyFactory();
Set<Method> javaMethods = JavaIntrospectionHelper.getAllUniqueMethods(serviceContract.getInterface());
for (Method method : javaMethods) {
InvocationConfiguration iConfig = new InvocationConfiguration(method);
iConfigMap.put(method, iConfig);
}
QualifiedName qName = new QualifiedName(entryPoint.getConfiguredReference().getTargetConfiguredServices().get(0).getAggregatePart().getName() + "/" + service.getName());
ProxyConfiguration pConfiguration = new ProxyConfiguration(qName, iConfigMap, serviceContract.getInterface().getClassLoader(), messageFactory);
proxyFactory.setBusinessInterface(serviceContract.getInterface());
proxyFactory.setProxyConfiguration(pConfiguration);
config.addSourceProxyFactory(service.getName(), proxyFactory);
configuredService.setProxyFactory(proxyFactory);
if (policyBuilder != null) {
// invoke the reference builder to handle additional policy metadata
policyBuilder.build(configuredService);
}
// add tail interceptor
for (InvocationConfiguration iConfig : (Collection<InvocationConfiguration>) iConfigMap.values()) {
iConfig.addTargetInterceptor(new EntryPointInvokerInterceptor());
}
entryPoint.getConfiguredReference().setContextFactory(config);
}
//FIXME same as the InvokerInterceptor except that it doesn't throw an exception in setNext
// For some reason another InvokerInterceptor is added after this one, need Jim to look into it
// and figure out why.
public class EntryPointInvokerInterceptor implements Interceptor {
public EntryPointInvokerInterceptor() {
}
public Message invoke(Message msg) throws InvocationRuntimeException {
TargetInvoker invoker = msg.getTargetInvoker();
if (invoker == null) {
throw new InvocationRuntimeException("No target invoker specified on message");
}
return invoker.invoke(msg);
}
public void setNext(Interceptor next) {
}
}
}
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