/*
* 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.io.PrintWriter;
import java.io.StringWriter;
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.lang.reflect.Proxy;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.LinkRef;
import javax.naming.NameClassPair;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import org.jboss.ejb3.Container;
import org.jboss.ejb3.DependencyPolicy;
import org.jboss.ejb3.InitialContextFactory;
import org.jboss.ejb3.client.injection.ClientPersistenceUnitHandler;
import org.jboss.ejb3.client.injection.ClientWebServiceRefHandler;
import org.jboss.ejb3.vfs.spi.VirtualFile;
import org.jboss.injection.DependsHandler;
import org.jboss.injection.EncInjector;
import org.jboss.injection.InjectionContainer;
import org.jboss.injection.InjectionHandler;
import org.jboss.injection.Injector;
import org.jboss.logging.Logger;
import org.jboss.metadata.client.jboss.JBossClientMetaData;
import org.jboss.metadata.javaee.spec.LifecycleCallbacksMetaData;
import org.jboss.metadata.javaee.spec.RemoteEnvironment;
import org.jboss.util.NotImplementedException;
/**
* Injection of the application client main class is handled from here.
*
* @author <a href="mailto:carlo.dewolf@jboss.com">Carlo de Wolf</a>
* @author Scott.Stark@jboss.org
* @version $Revision: 108596 $
*/
public class ClientContainer implements InjectionContainer
{
private static final Logger log = Logger.getLogger(ClientContainer.class);
private static final String VERSION = "$Revision: 108596 $";
private static ThreadLocal<Properties> clientJndiEnv = new ThreadLocal<Properties>();
private Class<?> mainClass;
private JBossClientMetaData xml;
private String applicationClientName;
// for performance there is an array.
private List<Injector> injectors = new ArrayList<Injector>();
private Context enc;
private DependencyPolicy dependsPolicy;
private List<Method> postConstructs = new ArrayList<Method>();
public static Properties getJndiEnv()
{
return clientJndiEnv.get();
}
public ClientContainer(JBossClientMetaData xml, Class<?> mainClass, String applicationClientName)
throws Exception
{
this(xml, mainClass, applicationClientName, null);
}
public ClientContainer(JBossClientMetaData xml, Class<?> mainClass, String applicationClientName, Properties jndiEnv)
throws Exception
{
log.info("ClientContainer(version="+VERSION+")");
log.info("DependencyPolicy.CS: "+DependencyPolicy.class.getProtectionDomain().getCodeSource());
log.info("ClientContainer.CS: "+getClass().getProtectionDomain().getCodeSource());
ClassLoader mainClassLoader = mainClass.getClassLoader();
log.info("mainClass.ClassLoader: "+mainClassLoader);
clientJndiEnv.set(jndiEnv);
this.xml = xml;
this.mainClass = mainClass;
this.applicationClientName = applicationClientName;
ClientJavaEEComponent client = new ClientJavaEEComponent(applicationClientName);
this.dependsPolicy = new NoopDependencyPolicy(client);
URL jndiPropertiesURL = mainClassLoader.getResource("jndi.properties");
log.info("mainClassLoader jndi.properties: "+jndiPropertiesURL);
Context ctx = InitialContextFactory.getInitialContext(jndiEnv);
enc = (Context) ctx.lookup(applicationClientName);
StringBuffer encInfo = new StringBuffer("Client ENC("+applicationClientName+"):\n");
list(enc, "", encInfo, true);
log.info(encInfo.toString());
//encEnv = (Context) enc.lookup("env");
// enc = ThreadLocalENCFactory.create(ctx);
// encEnv = Util.createSubcontext(enc, "env");
processMetadata(null);
for(Injector injector : injectors)
{
log.debug("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()
{
return dependsPolicy;
}
/* (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()
{
throw new IllegalStateException("ENC setup happens on the server");
}
/* (non-Javadoc)
* @see org.jboss.injection.InjectionContainer#getEncInjectors()
*/
public Map<String, EncInjector> getEncInjectors()
{
throw new IllegalStateException("ENC setup happens on the server");
}
/* (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()
{
return injectors;
}
public Class<?> getMainClass()
{
return mainClass;
}
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);
try
{
log.info("Invoking main: "+method);
method.invoke(null, (Object) args);
log.info("Successfully invoked main");
}
catch(Throwable e)
{
e.printStackTrace();
log.error("Invocation of client main failed", e);
}
}
/**
* 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 ClientEJBHandler<RemoteEnvironment>());
// This currently has no use in the ClientContainer, maybe in the future when running an mc
handlers.add(new DependsHandler<RemoteEnvironment>());
//handlers.add(new JndiInjectHandler<RemoteEnvironment>());
handlers.add(new ClientPersistenceUnitHandler<RemoteEnvironment>());
handlers.add(new ClientResourceHandler<RemoteEnvironment>(this.mainClass));
handlers.add(new ClientWebServiceRefHandler<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());
*/
}
finally
{
// Thread.currentThread().setContextClassLoader(old);
}
}
/**
* Populate the list of the post construct callbacks ordered according to the spec rules defined in
* 12.4.1 Multiple Callback Interceptor Methods for a Life Cycle Callback Event.
*
* @throws ClassNotFoundException
* @throws NoSuchMethodException
* @throws SecurityException
*
*/
private void processPostConstructs()
throws ClassNotFoundException, SecurityException, NoSuchMethodException
{
LifecycleCallbacksMetaData callbacks = xml.getPostConstructs();
if(callbacks == null || callbacks.isEmpty())
return;
List<Method> methods = callbacks.getOrderedCallbacks(mainClass);
postConstructs.addAll(methods);
}
/* (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();
}
/**
* Recursively display the naming context information into the buffer.
*
* @param ctx
* @param indent
* @param buffer
* @param verbose
*/
private static void list(Context ctx, String indent, StringBuffer buffer,
boolean verbose)
{
ClassLoader loader = Thread.currentThread().getContextClassLoader();
try
{
NamingEnumeration ne = ctx.list("");
while (ne.hasMore())
{
NameClassPair pair = (NameClassPair) ne.next();
String name = pair.getName();
String className = pair.getClassName();
boolean recursive = false;
boolean isLinkRef = false;
boolean isProxy = false;
Class c = null;
try
{
c = loader.loadClass(className);
if (Context.class.isAssignableFrom(c))
recursive = true;
if (LinkRef.class.isAssignableFrom(c))
isLinkRef = true;
isProxy = Proxy.isProxyClass(c);
}
catch (ClassNotFoundException cnfe)
{
// If this is a $Proxy* class its a proxy
if (className.startsWith("$Proxy"))
{
isProxy = true;
// We have to get the class from the binding
try
{
Object p = ctx.lookup(name);
c = p.getClass();
}
catch (NamingException e)
{
Throwable t = e.getRootCause();
if (t instanceof ClassNotFoundException)
{
// Get the class name from the exception msg
String msg = t.getMessage();
if (msg != null)
{
// Reset the class name to the CNFE class
className = msg;
}
}
}
}
}
buffer.append(indent + " +- " + name);
// Display reference targets
if (isLinkRef)
{
// Get the
try
{
Object obj = ctx.lookupLink(name);
LinkRef link = (LinkRef) obj;
buffer.append("[link -> ");
buffer.append(link.getLinkName());
buffer.append(']');
}
catch (Throwable t)
{
buffer.append("invalid]");
}
}
// Display proxy interfaces
if (isProxy)
{
buffer.append(" (proxy: " + pair.getClassName());
if (c != null)
{
Class[] ifaces = c.getInterfaces();
buffer.append(" implements ");
for (int i = 0; i < ifaces.length; i++)
{
buffer.append(ifaces[i]);
buffer.append(',');
}
buffer.setCharAt(buffer.length() - 1, ')');
}
else
{
buffer.append(" implements " + className + ")");
}
}
else if (verbose)
{
buffer.append(" (class: " + pair.getClassName() + ")");
}
buffer.append('\n');
if (recursive)
{
try
{
Object value = ctx.lookup(name);
if (value instanceof Context)
{
Context subctx = (Context) value;
list(subctx, indent + " | ", buffer, verbose);
}
else
{
buffer.append(indent + " | NonContext: " + value);
buffer.append('\n');
}
}
catch (Throwable t)
{
buffer.append("Failed to lookup: " + name + ", errmsg=" + t.getMessage());
buffer.append('\n');
}
}
}
ne.close();
}
catch (NamingException ne)
{
buffer.append("error while listing context " + ctx.toString() + ": " + ne.toString(true));
formatException(buffer, ne);
}
}
private static void formatException(StringBuffer buffer, Throwable t)
{
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
buffer.append("<pre>\n");
t.printStackTrace(pw);
buffer.append(sw.toString());
buffer.append("</pre>\n");
}
}