/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Inc., 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.as.appclient.service;
import java.io.IOException;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.TimeUnit;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ee.component.ComponentInstance;
import org.jboss.as.ee.naming.InjectedEENamespaceContextSelector;
import org.jboss.as.naming.context.NamespaceContextSelector;
import org.jboss.as.server.CurrentServiceContainer;
import org.jboss.ejb.client.ContextSelector;
import org.jboss.ejb.client.EJBClientContext;
import org.jboss.ejb.client.remoting.IoFutureHelper;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.remoting3.Connection;
import org.jboss.remoting3.Endpoint;
import org.jboss.remoting3.Remoting;
import org.jboss.remoting3.remote.RemoteConnectionProviderFactory;
import org.xnio.IoFuture;
import org.xnio.OptionMap;
import org.xnio.Options;
import static org.jboss.as.appclient.logging.AppClientLogger.ROOT_LOGGER;
/**
* Service that is responsible for running an application clients main method, and shutting down the server once it
* completes
*
* @author Stuart Douglas
*/
public class ApplicationClientStartService implements Service<ApplicationClientStartService> {
public static final ServiceName SERVICE_NAME = ServiceName.of("appClientStart");
private final InjectedValue<ApplicationClientDeploymentService> applicationClientDeploymentServiceInjectedValue = new InjectedValue<ApplicationClientDeploymentService>();
private final InjectedValue<Component> applicationClientComponent = new InjectedValue<Component>();
private final InjectedEENamespaceContextSelector namespaceContextSelectorInjectedValue;
private final Method mainMethod;
private final String[] parameters;
private final ClassLoader classLoader;
final String hostUrl;
private Thread thread;
private ComponentInstance instance;
public ApplicationClientStartService(final Method mainMethod, final String[] parameters, final String hostUrl, final InjectedEENamespaceContextSelector namespaceContextSelectorInjectedValue, final ClassLoader classLoader) {
this.mainMethod = mainMethod;
this.parameters = parameters;
this.namespaceContextSelectorInjectedValue = namespaceContextSelectorInjectedValue;
this.classLoader = classLoader;
this.hostUrl = hostUrl;
}
@Override
public synchronized void start(final StartContext context) throws StartException {
thread = new Thread(new Runnable() {
@Override
public void run() {
try {
final Endpoint endpoint = Remoting.createEndpoint("endpoint", OptionMap.EMPTY);
endpoint.addConnectionProvider("remote", new RemoteConnectionProviderFactory(), OptionMap.create(Options.SSL_ENABLED, Boolean.FALSE));
// open a connection
final IoFuture<Connection> futureConnection = endpoint.connect(new URI(hostUrl), OptionMap.create(Options.SASL_POLICY_NOANONYMOUS, Boolean.FALSE), new AnonymousCallbackHandler());
final Connection connection = IoFutureHelper.get(futureConnection, 5L, TimeUnit.SECONDS);
try {
try {
final ClassLoader oldTccl = SecurityActions.getContextClassLoader();
try {
try {
SecurityActions.setContextClassLoader(classLoader);
final EJBClientContext ejbClientContext = EJBClientContext.create();
ejbClientContext.registerConnection(connection);
final ContextSelector<EJBClientContext> previousSelector = EJBClientContext.setConstantContext(ejbClientContext);
applicationClientDeploymentServiceInjectedValue.getValue().getDeploymentCompleteLatch().await();
try {
NamespaceContextSelector.pushCurrentSelector(namespaceContextSelectorInjectedValue);
//do static injection etc
//TODO: this should be better
instance = applicationClientComponent.getValue().createInstance();
mainMethod.invoke(null, new Object[]{parameters});
} finally {
if (previousSelector != null) {
EJBClientContext.setSelector(previousSelector);
}
NamespaceContextSelector.popCurrentSelector();
}
} catch (Exception e) {
ROOT_LOGGER.exceptionRunningAppClient(e, e.getClass().getSimpleName());
} finally {
SecurityActions.setContextClassLoader(oldTccl);
}
} finally {
CurrentServiceContainer.getServiceContainer().shutdown();
}
} finally {
connection.close();
}
} finally {
endpoint.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}
});
thread.start();
}
@Override
public synchronized void stop(final StopContext context) {
if(instance != null) {
instance.destroy();
}
thread.interrupt();
thread = null;
}
@Override
public ApplicationClientStartService getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public InjectedValue<ApplicationClientDeploymentService> getApplicationClientDeploymentServiceInjectedValue() {
return applicationClientDeploymentServiceInjectedValue;
}
public InjectedValue<Component> getApplicationClientComponent() {
return applicationClientComponent;
}
/**
* User: jpai
*/
public class AnonymousCallbackHandler implements CallbackHandler {
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (Callback current : callbacks) {
if (current instanceof NameCallback) {
NameCallback ncb = (NameCallback) current;
ncb.setName("anonymous");
} else {
throw new UnsupportedCallbackException(current);
}
}
}
}
}