/*
* JBoss, Home of Professional Open Source
* Copyright 2006, Red Hat Middleware LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ejb3.client;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.naming.Context;
import javax.naming.NameClassPair;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import org.jboss.ejb3.Container;
import org.jboss.ejb3.DependencyPolicy;
import org.jboss.ejb3.InitialContextFactory;
import org.jboss.ejb3.entity.PersistenceUnitDeployment;
import org.jboss.injection.DependsHandler;
import org.jboss.injection.EJBInjectionHandler;
import org.jboss.injection.EncInjector;
import org.jboss.injection.InjectionContainer;
import org.jboss.injection.InjectionHandler;
import org.jboss.injection.InjectionUtil;
import org.jboss.injection.Injector;
import org.jboss.injection.JndiInjectHandler;
import org.jboss.injection.PersistenceContextHandler;
import org.jboss.injection.PersistenceUnitHandler;
import org.jboss.injection.ResourceHandler;
import org.jboss.injection.WebServiceRefHandler;
import org.jboss.logging.Logger;
import org.jboss.metadata.client.jboss.JBossClientMetaData;
import org.jboss.metadata.client.spec.ApplicationClientMetaData;
import org.jboss.metadata.javaee.spec.LifecycleCallbackMetaData;
import org.jboss.metadata.javaee.spec.LifecycleCallbacksMetaData;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;
import org.jboss.util.NotImplementedException;
import org.jboss.virtual.VirtualFile;
/**
* Injection of the application client main class is handled from here.
*
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @version $Revision: 67021 $
*/
public class ClientContainer implements InjectionContainer
{
private static final Logger log = Logger.getLogger(ClientContainer.class);
private Class<?> mainClass;
private JBossClientMetaData xml;
private String applicationClientName;
// for performance there is an array.
private List<Injector> injectors = new ArrayList<Injector>();
private Map<String, Map<AccessibleObject, Injector>> encInjections = new HashMap<String, Map<AccessibleObject, Injector>>();
private Map<String, EncInjector> encInjectors = new HashMap<String, EncInjector>();
private Context enc;
private Context encEnv;
private List<Method> postConstructs = new ArrayList<Method>();
public ClientContainer(JBossClientMetaData xml, Class<?> mainClass, String applicationClientName) throws Exception
{
this.xml = xml;
this.mainClass = mainClass;
this.applicationClientName = applicationClientName;
//Context ctx = getInitialContext();
Context ctx = InitialContextFactory.getInitialContext();
enc = (Context) ctx.lookup(applicationClientName);
log.debug("Client ENC("+applicationClientName+"):");
NamingEnumeration<NameClassPair> e = enc.list("");
while(e.hasMore())
{
NameClassPair ncp = e.next();
log.debug(" " + ncp);
}
//encEnv = (Context) enc.lookup("env");
// enc = ThreadLocalENCFactory.create(ctx);
// encEnv = Util.createSubcontext(enc, "env");
processMetadata(null);
for (EncInjector injector : encInjectors.values())
{
log.trace("encInjector: " + injector);
// injector.inject(this);
}
for(Injector injector : injectors)
{
log.trace("injector: " + injector);
injector.inject((Object) null);
}
postConstruct();
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getAnnotation(java.lang.Class, java.lang.Class)
*/
public <T extends Annotation> T getAnnotation(Class<T> annotationClass, Class<?> clazz)
{
return clazz.getAnnotation(annotationClass);
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getAnnotation(java.lang.Class, java.lang.Class, java.lang.reflect.Method)
*/
public <T extends Annotation> T getAnnotation(Class<T> annotationClass, Class<?> clazz, Method method)
{
return method.getAnnotation(annotationClass);
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getAnnotation(java.lang.Class, java.lang.reflect.Method)
*/
public <T extends Annotation> T getAnnotation(Class<T> annotationClass, Method method)
{
return method.getAnnotation(annotationClass);
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getAnnotation(java.lang.Class, java.lang.Class, java.lang.reflect.Field)
*/
public <T extends Annotation> T getAnnotation(Class<T> annotationClass, Class<?> clazz, Field field)
{
return field.getAnnotation(annotationClass);
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getAnnotation(java.lang.Class, java.lang.reflect.Field)
*/
public <T extends Annotation> T getAnnotation(Class<T> annotationClass, Field field)
{
return field.getAnnotation(annotationClass);
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getClassloader()
*/
public ClassLoader getClassloader()
{
//throw new RuntimeException("NYI");
return Thread.currentThread().getContextClassLoader();
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getDependencyPolicy()
*/
public DependencyPolicy getDependencyPolicy()
{
throw new RuntimeException("NYI");
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getDeploymentDescriptorType()
*/
public String getDeploymentDescriptorType()
{
return "application-client.xml";
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEjbJndiName(java.lang.Class)
*/
public String getEjbJndiName(Class businessInterface) throws NameNotFoundException
{
throw new RuntimeException("NYI");
//return null;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEjbJndiName(java.lang.String, java.lang.Class)
*/
public String getEjbJndiName(String link, Class<?> businessInterface)
{
throw new NotImplementedException();
//return "java:comp/env/" + link + "/remote";
//return applicationClientName + "/" + link + "/remote";
//return null;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEnc()
*/
public Context getEnc()
{
return enc;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEncInjections()
*/
public Map<String, Map<AccessibleObject, Injector>> getEncInjections()
{
return encInjections;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEncInjectors()
*/
public Map<String, EncInjector> getEncInjectors()
{
return encInjectors;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEnvironmentRefGroup()
*/
public RemoteEnvironment getEnvironmentRefGroup()
{
return xml;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getIdentifier()
*/
public String getIdentifier()
{
// throw new NotImplementedException;
// FIXME: return the real identifier
//return "client-identifier";
return applicationClientName;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getInjectors()
*/
public List<Injector> getInjectors()
{
throw new NotImplementedException();
}
public Class<?> getMainClass()
{
return mainClass;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getPersistenceUnitDeployment(java.lang.String)
*/
public PersistenceUnitDeployment getPersistenceUnitDeployment(String unitName) throws NameNotFoundException
{
throw new NotImplementedException();
}
public boolean hasJNDIBinding(String jndiName)
{
return false;
}
public void invokeMain(String args[]) throws SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException
{
Class<?> parameterTypes[] = { args.getClass() };
Method method = mainClass.getDeclaredMethod("main", parameterTypes);
method.invoke(null, (Object) args);
}
/**
* Call post construct methods.
* @throws IllegalAccessException
* @throws InstantiationException
* @throws InvocationTargetException
* @throws IllegalArgumentException
*
*/
private void postConstruct() throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException
{
log.info("postConstructs = " + postConstructs);
for(Method method : postConstructs)
{
method.setAccessible(true);
Object instance;
if(Modifier.isStatic(method.getModifiers()))
instance = null;
else
instance = method.getDeclaringClass().newInstance();
Object args[] = null;
method.invoke(instance, args);
}
}
private void processMetadata(DependencyPolicy dependencyPolicy) throws Exception
{
log.debug("processMetadata");
processPostConstructs();
// TODO: check which handlers a client container should support
Collection<InjectionHandler<RemoteEnvironment>> handlers = new ArrayList<InjectionHandler<RemoteEnvironment>>();
handlers.add(new EJBInjectionHandler<RemoteEnvironment>());
//handlers.add(new ClientEJBHandler());
handlers.add(new DependsHandler<RemoteEnvironment>());
handlers.add(new JndiInjectHandler<RemoteEnvironment>());
handlers.add(new PersistenceUnitHandler<RemoteEnvironment>());
// since enc injectors live on the server side, we don't want to check those
handlers.add(new ResourceHandler<RemoteEnvironment>(false));
handlers.add(new WebServiceRefHandler<RemoteEnvironment>());
// TODO: we're going to use a jar class loader
// ClassLoader old = Thread.currentThread().getContextClassLoader();
// Thread.currentThread().setContextClassLoader(classloader);
try
{
// EJB container's XML must be processed before interceptor's as it may override interceptor's references
for (InjectionHandler<RemoteEnvironment> handler : handlers) handler.loadXml(xml, this);
Map<AccessibleObject, Injector> tmp = InjectionUtil.processAnnotations(this, handlers, getMainClass());
injectors.addAll(tmp.values());
// initialiseInterceptors();
// for (InterceptorInfo interceptorInfo : applicableInterceptors)
// {
// for (InjectionHandler handler : handlers)
// {
// handler.loadXml(interceptorInfo.getXml(), this);
// }
// }
// for (InterceptorInfo interceptorInfo : applicableInterceptors)
// {
// Map<AccessibleObject, Injector> tmpInterceptor = InjectionUtil.processAnnotations(this, handlers, interceptorInfo.getClazz());
// InterceptorInjector injector = new InterceptorInjector(this, interceptorInfo, tmpInterceptor);
// interceptorInjectors.put(interceptorInfo.getClazz(), injector);
// }
}
finally
{
// Thread.currentThread().setContextClassLoader(old);
}
}
/**
* Create dummy dd for PostConstruct annotations.
* @throws ClassNotFoundException
* @throws NoSuchMethodException
* @throws SecurityException
*
*/
private void processPostConstructs() throws ClassNotFoundException, SecurityException, NoSuchMethodException
{
processPostConstructs(mainClass);
LifecycleCallbacksMetaData callbacks = xml.getPostConstructs();
if(callbacks != null)
{
for(LifecycleCallbackMetaData callback : callbacks)
{
String className = callback.getClassName();
String methodName = callback.getMethodName();
Class<?> lifecycleClass;
if(className == null)
lifecycleClass = mainClass;
else
lifecycleClass = Thread.currentThread().getContextClassLoader().loadClass(className);
Class<?> parameterTypes[] = new Class[0];
Method method = lifecycleClass.getDeclaredMethod(methodName, parameterTypes);
postConstructs.add(method);
}
}
}
private void processPostConstructs(Class<?> cls)
{
if(cls == null)
return;
for(Method method : cls.getDeclaredMethods())
{
PostConstruct postConstruct = method.getAnnotation(PostConstruct.class);
if(postConstruct != null)
{
// TODO: sure?
// http://java.sun.com/javase/6/docs/api/javax/annotation/PostConstruct.html
if(postConstructs.size() > 0)
throw new IllegalStateException("only one @PostConstruct allowed");
postConstructs.add(method);
}
}
processPostConstructs(cls.getSuperclass());
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#resolveEjbContainer(java.lang.String, java.lang.Class)
*/
public Container resolveEjbContainer(String link, Class businessIntf)
{
log.warn("resolveEjbContainer(" + link + ", " + businessIntf + ") not implemented");
return null;
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#resolveEjbContainer(java.lang.Class)
*/
public Container resolveEjbContainer(Class businessIntf) throws NameNotFoundException
{
return null;
}
public String resolveMessageDestination(String link)
{
// Resolving something here is a nop
return null;
}
public VirtualFile getRootFile()
{
throw new NotImplementedException();
}
}