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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.
*/
package org.apache.tuscany.tomcat.lifecycle.listener;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.spi.ObjectFactory;
import org.apache.tuscany.common.monitor.MonitorFactory;
import org.apache.tuscany.core.builder.RuntimeConfigurationBuilder;
import org.apache.tuscany.core.config.ModuleComponentConfigurationLoader;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import org.apache.tuscany.core.system.builder.SystemComponentContextBuilder;
import org.apache.tuscany.core.system.builder.SystemEntryPointBuilder;
import org.apache.tuscany.core.system.builder.SystemExternalServiceBuilder;
import org.apache.tuscany.core.runtime.RuntimeContext;
import org.apache.tuscany.core.runtime.RuntimeContextImpl;
/**
* Bootstraps an SCA runtime hosted by a Tomcat instance. The runtime will be bound to JNDI and accessed by
* {@link org.apache.tuscany.tomcat.lifecycle.listener.WebAppLifecycleListener}s that deploy web archives as module
* components.
* <p>
* Tomcat is configured by adding the following to <code>server.xml</code> under the
* <code>GlobalNamingResources</code> element:
*
* <pre>
* <Resource name="TuscanyRuntime" auth="Container" type="org.apache.tuscany.core.runtime.RuntimeContext"
* description="Tuscany Runtime"
* factory=" org.apache.tuscany.tomcat.lifecycle.listener.RuntimeBootstrap"
* monitor="[monitor factory]" loader="[configuration loader]"/>
* </pre>
*
* @version $Rev$ $Date$
*/
public class RuntimeBootstrap implements ObjectFactory {
public static final String RUNTIME_NAME = "TuscanyRuntime";
public RuntimeBootstrap() {
}
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment)
throws BootstrapConfigurationException {
if (!RUNTIME_NAME.equals(name)) {
throw new BootstrapConfigurationException("Tuscany Runtime must be configured with JNDI address of " + RUNTIME_NAME);
}
MonitorFactory monitorFactory = null;
ModuleComponentConfigurationLoader configurationLoader = null;
Reference ref = (Reference) obj;
if (!RuntimeContext.class.getName().equals(ref.getClassName())) {
throw new BootstrapConfigurationException("Invalid runtime configuration");
}
RefAddr monitorAddr = ref.get("monitor");
RefAddr loaderAddr = ref.get("loader");
if (loaderAddr == null) {
throw new BootstrapConfigurationException("No configuration laoder specified in Tomcat configuration");
}
if (monitorAddr != null) {
try {
Class monitorFactoryClass = JavaIntrospectionHelper.loadClass(monitorAddr.getContent().toString());
monitorFactory = (MonitorFactory) monitorFactoryClass.newInstance();
} catch (ClassNotFoundException e) {
throw new BootstrapConfigurationException("Unable to find monitor factory class specified in Tomcat configuration", e);
} catch (InstantiationException e) {
throw new BootstrapConfigurationException("Error initializing monitor factory in Tomcat configuration", e);
} catch (IllegalAccessException e) {
throw new BootstrapConfigurationException("Error initializing monitor factory in Tomcat configuration", e);
}
}
// try {
// Class configurationLoaderClass = JavaIntrospectionHelper.loadClass(loaderAddr.getContent().toString());
// configurationLoader = (ConfigurationLoader) configurationLoaderClass.newInstance();
// } catch (ClassNotFoundException e) {
// throw new BootstrapConfigurationException("Unable to find configuration loader class specified in Tomcat configuration", e);
// } catch (InstantiationException e) {
// throw new BootstrapConfigurationException("Error initializing configuration loader in Tomcat configuration", e);
// } catch (IllegalAccessException e) {
// throw new BootstrapConfigurationException("Error initializing configuration loader in Tomcat configuration", e);
// }
// create the SCA Runtime and have it bound in the global JNDI context
return new RuntimeContextImpl(monitorFactory, null, createBuilders(),null);
}
/**
* Creates a collection of bootstrap builders
*/
private List<RuntimeConfigurationBuilder> createBuilders() {
List<RuntimeConfigurationBuilder> builders = new ArrayList();
builders.add((new SystemComponentContextBuilder()));
builders.add(new SystemEntryPointBuilder());
builders.add(new SystemExternalServiceBuilder());
return builders;
}
}
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