/**
* 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.geronimo.axis.client;
import java.lang.reflect.InvocationTargetException;
import java.util.Iterator;
import java.util.Map;
import javax.naming.NamingException;
import net.sf.cglib.proxy.Callback;
import net.sf.cglib.proxy.Enhancer;
import net.sf.cglib.proxy.MethodInterceptor;
import net.sf.cglib.proxy.NoOp;
import net.sf.cglib.reflect.FastClass;
import net.sf.cglib.reflect.FastConstructor;
import org.apache.axis.client.Service;
import org.apache.geronimo.naming.reference.ClassLoaderAwareReference;
import org.apache.geronimo.naming.reference.SimpleReference;
/**
* @version $Rev: 559321 $ $Date: 2007-07-24 22:52:54 -0700 (Tue, 24 Jul 2007) $
*/
public class AxisServiceReference extends SimpleReference implements ClassLoaderAwareReference {
private static final Class[] SERVICE_CONSTRUCTOR_TYPES = new Class[]{Map.class, Map.class};
private String serviceInterfaceClassName;
private Map seiPortNameToFactoryMap;
private Map seiClassNameToFactoryMap;
private ClassLoader classLoader;
private FastConstructor serviceConstructor;
private Callback[] methodInterceptors;
private Class enhancedServiceClass;
public AxisServiceReference(String serviceInterfaceClassName, Map seiPortNameToFactoryMap, Map seiClassNameToFactoryMap) {
this.serviceInterfaceClassName = serviceInterfaceClassName;
this.seiPortNameToFactoryMap = seiPortNameToFactoryMap;
this.seiClassNameToFactoryMap = seiClassNameToFactoryMap;
}
public void setClassLoader(ClassLoader classLoader) {
this.classLoader = classLoader;
}
public Object getContent() throws NamingException {
Object serviceInstance = createServiceInterfaceProxy(serviceInterfaceClassName, seiPortNameToFactoryMap, seiClassNameToFactoryMap, classLoader);
return serviceInstance;
}
private Object createServiceInterfaceProxy(String serviceInterfaceClassName, Map seiPortNameToFactoryMap, Map seiClassNameToFactoryMap, ClassLoader classLoader) throws NamingException {
boolean initialize = (this.serviceConstructor == null);
if (initialize) {
Class serviceInterface;
try {
serviceInterface = classLoader.loadClass(serviceInterfaceClassName);
} catch (ClassNotFoundException e) {
throw (NamingException)new NamingException("Could not load service interface class " + serviceInterfaceClassName).initCause(e);
}
// create method interceptors
Callback callback = new ServiceMethodInterceptor(seiPortNameToFactoryMap);
this.methodInterceptors = new Callback[]{SerializableNoOp.INSTANCE, callback};
// create service class
Enhancer enhancer = new Enhancer();
enhancer.setClassLoader(classLoader);
enhancer.setSuperclass(ServiceImpl.class);
enhancer.setInterfaces(new Class[]{serviceInterface});
enhancer.setCallbackFilter(new NoOverrideCallbackFilter(Service.class));
enhancer.setCallbackTypes(new Class[]{NoOp.class, MethodInterceptor.class});
enhancer.setUseFactory(false);
enhancer.setUseCache(false);
this.enhancedServiceClass = enhancer.createClass();
// get constructor
this.serviceConstructor =
FastClass.create(this.enhancedServiceClass).getConstructor(SERVICE_CONSTRUCTOR_TYPES);
}
// associate the method interceptors with the generated service class on the current thread
Enhancer.registerCallbacks(this.enhancedServiceClass, this.methodInterceptors);
Object[] arguments =
new Object[] {seiPortNameToFactoryMap, seiClassNameToFactoryMap};
Object serviceInstance = null;
try {
serviceInstance = this.serviceConstructor.newInstance(arguments);
} catch (InvocationTargetException e) {
throw (NamingException)new NamingException("Could not construct service instance").initCause(e.getTargetException());
}
if (initialize) {
for (Iterator iterator = seiPortNameToFactoryMap.values().iterator(); iterator.hasNext();) {
SEIFactoryImpl seiFactory = (SEIFactoryImpl) iterator.next();
try {
seiFactory.initialize(serviceInstance, classLoader);
} catch (ClassNotFoundException e) {
throw (NamingException)new NamingException("Could not load service interface class; " + e.getMessage()).initCause(e);
}
}
}
return serviceInstance;
}
}