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/*
* 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.tuscany.core.bootstrap;
import javax.xml.stream.XMLInputFactory;
import org.apache.tuscany.core.binding.local.LocalBindingBuilder;
import org.apache.tuscany.core.binding.local.LocalBindingDefinition;
import org.apache.tuscany.core.binding.local.LocalBindingLoader;
import org.apache.tuscany.core.builder.BuilderRegistryImpl;
import org.apache.tuscany.core.component.scope.AbstractScopeContainer;
import org.apache.tuscany.core.component.scope.CompositeScopeContainer;
import org.apache.tuscany.core.component.scope.RequestScopeContainer;
import org.apache.tuscany.core.component.scope.ScopeRegistryImpl;
import org.apache.tuscany.core.component.scope.StatelessScopeContainer;
import org.apache.tuscany.core.deployer.DeployerImpl;
import org.apache.tuscany.core.implementation.composite.CompositeBuilder;
import org.apache.tuscany.core.implementation.composite.CompositeComponentTypeLoader;
import org.apache.tuscany.core.implementation.composite.CompositeLoader;
import org.apache.tuscany.core.loader.ComponentLoader;
import org.apache.tuscany.core.loader.ComponentTypeElementLoader;
import org.apache.tuscany.core.loader.IncludeLoader;
import org.apache.tuscany.core.loader.LoaderRegistryImpl;
import org.apache.tuscany.core.loader.PropertyLoader;
import org.apache.tuscany.core.loader.ReferenceLoader;
import org.apache.tuscany.core.loader.ServiceLoader;
import org.apache.tuscany.core.resolver.AutowireResolver;
import org.apache.tuscany.host.MonitorFactory;
import org.apache.tuscany.spi.builder.Builder;
import org.apache.tuscany.spi.builder.Connector;
import org.apache.tuscany.spi.component.ComponentManager;
import org.apache.tuscany.spi.component.ScopeContainerMonitor;
import org.apache.tuscany.spi.component.ScopeRegistry;
import org.apache.tuscany.spi.deployer.Deployer;
import org.apache.tuscany.spi.extension.LoaderExtension;
import org.apache.tuscany.spi.implementation.java.Introspector;
import org.apache.tuscany.spi.loader.Loader;
import org.apache.tuscany.spi.loader.LoaderRegistry;
import org.apache.tuscany.spi.loader.PropertyObjectFactory;
import org.apache.tuscany.spi.model.CompositeImplementation;
/**
* A default implementation of a Bootstrapper. Please see the documentation on
* the individual methods for how the primordial components are created.
*
* @version $Rev$ $Date$
*/
public class DefaultBootstrapper implements Bootstrapper {
private final MonitorFactory monitorFactory;
private final XMLInputFactory xmlFactory;
private final ComponentManager componentManager;
private final AutowireResolver resolver;
private final Connector connector;
private final ScopeRegistry scopeRegistry;
/**
* Create a default bootstrapper.
*
* @param monitorFactory the MonitorFactory to be used to create monitors
* for the primordial components
* @param xmlFactory the XMLInputFactory to be used by the components to
* load XML artifacts
* @param componentManager the component manager for the runtime instance
* @param resolver the autowire resolver for the runtime instance
* @param connector the connector for the runtime instance
*/
public DefaultBootstrapper(MonitorFactory monitorFactory,
XMLInputFactory xmlFactory,
ComponentManager componentManager,
AutowireResolver resolver,
Connector connector) {
this.monitorFactory = monitorFactory;
this.xmlFactory = xmlFactory;
this.componentManager = componentManager;
this.resolver = resolver;
this.connector = connector;
this.scopeRegistry = createScopeRegistry();
}
/**
* Returns the MonitorFactory being used by this bootstrapper.
*
* @return the MonitorFactory being used by this bootstrapper
*/
public MonitorFactory getMonitorFactory() {
return monitorFactory;
}
/**
* Create primordial deployer that can be used to load the system
* definition.
*
* @return the primordial deployer
*/
public Deployer createDeployer() {
ScopeRegistry scopeRegistry = getScopeRegistry();
Builder builder = createBuilder(scopeRegistry);
Loader loader = createLoader(null, null);
DeployerImpl deployer = new DeployerImpl(xmlFactory, loader, builder, componentManager, resolver, connector);
deployer.setMonitor(getMonitorFactory().getMonitor(ScopeContainerMonitor.class));
deployer.setScopeRegistry(getScopeRegistry());
return deployer;
}
/**
* Create a basic ScopeRegistry containing the ScopeContainers that are
* available to components in the system definition. The implementation
* returned only support COMPOSITE scope.
*
* @return a new ScopeRegistry
*/
private ScopeRegistry createScopeRegistry() {
ScopeRegistry scopeRegistry = new ScopeRegistryImpl();
ScopeContainerMonitor monitor = monitorFactory.getMonitor(ScopeContainerMonitor.class);
AbstractScopeContainer[] containers = new AbstractScopeContainer[] {new CompositeScopeContainer(monitor),
new StatelessScopeContainer(monitor),
new RequestScopeContainer(monitor),
// new ConversationalScopeContainer(monitor),
// new HttpSessionScopeContainer(monitor)
};
for (AbstractScopeContainer c : containers) {
c.start();
scopeRegistry.register(c);
}
return scopeRegistry;
}
/**
* Create a new Connector that can be used to wire primordial components
* together.
*
* @return a new Connector
*/
public Connector getConnector() {
return connector;
}
public AutowireResolver getAutowireResolver() {
return resolver;
}
/**
* Helper method for registering a loader with the registry. The Loader is
* registered once for the QName returned by its
* {@link LoaderExtension#getXMLType()} method.
*
* @param registry the LoaderRegistry to register with
* @param loader the Loader to register
*/
protected void registerLoader(LoaderRegistry registry, LoaderExtension<?> loader) {
registry.registerLoader(loader.getXMLType(), loader);
}
public LoaderRegistry createLoader(PropertyObjectFactory propertyFactory, Introspector introspector) {
LoaderRegistryImpl loaderRegistry = new LoaderRegistryImpl(monitorFactory
.getMonitor(LoaderRegistryImpl.Monitor.class));
// register element loaders
registerLoader(loaderRegistry, new ComponentLoader(loaderRegistry, propertyFactory));
registerLoader(loaderRegistry, new ComponentTypeElementLoader(loaderRegistry));
registerLoader(loaderRegistry, new CompositeLoader(loaderRegistry, null));
registerLoader(loaderRegistry, new IncludeLoader(loaderRegistry));
registerLoader(loaderRegistry, new PropertyLoader(loaderRegistry));
registerLoader(loaderRegistry, new ReferenceLoader(loaderRegistry));
registerLoader(loaderRegistry, new ServiceLoader(loaderRegistry));
registerLoader(loaderRegistry, new LocalBindingLoader(loaderRegistry));
loaderRegistry.registerLoader(CompositeImplementation.class, new CompositeComponentTypeLoader(loaderRegistry));
return loaderRegistry;
}
/**
* Create a Builder that can be used to build the components in the system
* definition. The default implementation only supports implementations from
* the system programming model.
*
* @param scopeRegistry the ScopeRegistry defining the component scopes that
* will be supported
* @return a new Builder
*/
private Builder createBuilder(ScopeRegistry scopeRegistry) {
BuilderRegistryImpl builderRegistry = new BuilderRegistryImpl(scopeRegistry);
CompositeBuilder compositeBuilder = new CompositeBuilder();
compositeBuilder.setBuilderRegistry(builderRegistry);
compositeBuilder.setScopeRegistry(scopeRegistry);
compositeBuilder.init();
// builderRegistry.register(CompositeImplementation.class,
// compositeBuilder);
builderRegistry.register(LocalBindingDefinition.class, new LocalBindingBuilder());
return builderRegistry;
}
/**
* @return the componentManager
*/
public ComponentManager getComponentManager() {
return componentManager;
}
/**
* @return the scopeRegistry
*/
public ScopeRegistry getScopeRegistry() {
return scopeRegistry;
}
}
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