/*
* #%L
* Gravia :: Container :: Tomcat :: Webapp
* %%
* Copyright (C) 2010 - 2014 JBoss by Red Hat
* %%
* Licensed 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.
* #L%
*/
package org.jboss.gravia.container.tomcat.webapp;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import org.jboss.gravia.container.tomcat.support.TomcatPropertiesProvider;
import org.jboss.gravia.container.tomcat.support.TomcatResourceInstaller;
import org.jboss.gravia.container.tomcat.support.TomcatRuntimeFactory;
import org.jboss.gravia.provision.DefaultProvisioner;
import org.jboss.gravia.provision.Provisioner;
import org.jboss.gravia.provision.spi.RuntimeEnvironment;
import org.jboss.gravia.repository.DefaultRepository;
import org.jboss.gravia.repository.Repository;
import org.jboss.gravia.repository.RepositoryRuntimeRegistration;
import org.jboss.gravia.repository.RepositoryRuntimeRegistration.Registration;
import org.jboss.gravia.resolver.DefaultResolver;
import org.jboss.gravia.resolver.Resolver;
import org.jboss.gravia.runtime.ModuleContext;
import org.jboss.gravia.runtime.Runtime;
import org.jboss.gravia.runtime.RuntimeLocator;
import org.jboss.gravia.runtime.ServiceRegistration;
import org.jboss.gravia.runtime.embedded.spi.BundleContextAdaptor;
import org.jboss.gravia.runtime.spi.PropertiesProvider;
import org.jboss.gravia.runtime.spi.RuntimePropertiesProvider;
import org.osgi.framework.BundleContext;
/**
* Activates the {@link Runtime} as part of the web app lifecycle.
*
* @author thomas.diesler@jboss.com
* @since 27-Nov-2013
*/
@WebListener
public class GraviaTomcatActivator implements ServletContextListener {
private Registration repositoryRegistration;
private ServiceRegistration<Provisioner> provisionerRegistration;
private ServiceRegistration<Resolver> resolverRegistration;
@Override
public void contextInitialized(ServletContextEvent event) {
// Create the runtime
ServletContext servletContext = event.getServletContext();
PropertiesProvider propsProvider = new TomcatPropertiesProvider(servletContext);
Runtime runtime = RuntimeLocator.createRuntime(new TomcatRuntimeFactory(servletContext), propsProvider);
runtime.init();
// HttpService integration
ModuleContext moduleContext = runtime.getModuleContext();
BundleContext bundleContext = new BundleContextAdaptor(moduleContext);
servletContext.setAttribute(BundleContext.class.getName(), bundleContext);
// Register the {@link Repository}, {@link Resolver}, {@link Provisioner} services
Repository repository = registerRepositoryService(runtime);
Resolver resolver = registerResolverService(runtime);
registerProvisionerService(servletContext, runtime, repository, resolver);
}
private Provisioner registerProvisionerService(ServletContext servletContext, Runtime runtime, Repository repository, Resolver resolver) {
RuntimeEnvironment environment = createEnvironment(servletContext, runtime);
TomcatResourceInstaller installer = new TomcatResourceInstaller(environment);
Provisioner provisioner = new DefaultProvisioner(environment, resolver, repository, installer);
ModuleContext syscontext = runtime.getModuleContext();
provisionerRegistration = syscontext.registerService(Provisioner.class, provisioner, null);
return provisioner;
}
private RuntimeEnvironment createEnvironment(ServletContext servletContext, Runtime runtime) {
return new RuntimeEnvironment(runtime).initDefaultContent();
}
private Resolver registerResolverService(Runtime runtime) {
Resolver resolver = new DefaultResolver();
ModuleContext syscontext = runtime.getModuleContext();
resolverRegistration = syscontext.registerService(Resolver.class, resolver, null);
return resolver;
}
private Repository registerRepositoryService(final Runtime runtime) {
PropertiesProvider propertyProvider = new RuntimePropertiesProvider(runtime);
Repository repository = new DefaultRepository(propertyProvider);
ModuleContext syscontext = runtime.getModuleContext();
repositoryRegistration = RepositoryRuntimeRegistration.registerRepository(syscontext, repository);
return repository;
}
@Override
public void contextDestroyed(ServletContextEvent event) {
if (provisionerRegistration != null)
provisionerRegistration.unregister();
if (repositoryRegistration != null)
repositoryRegistration.unregister();
if (resolverRegistration != null)
resolverRegistration.unregister();
}
}