diff options
Diffstat (limited to 'sca-java-1.x/tags/java-stable-20060304/sca/tomcat/src/main/java/org/apache/tuscany/tomcat/lifecycle/listener/RuntimeBootstrap.java')
| -rw-r--r-- | sca-java-1.x/tags/java-stable-20060304/sca/tomcat/src/main/java/org/apache/tuscany/tomcat/lifecycle/listener/RuntimeBootstrap.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/tomcat/src/main/java/org/apache/tuscany/tomcat/lifecycle/listener/RuntimeBootstrap.java b/sca-java-1.x/tags/java-stable-20060304/sca/tomcat/src/main/java/org/apache/tuscany/tomcat/lifecycle/listener/RuntimeBootstrap.java new file mode 100644 index 0000000000..16cad1cb1b --- /dev/null +++ b/sca-java-1.x/tags/java-stable-20060304/sca/tomcat/src/main/java/org/apache/tuscany/tomcat/lifecycle/listener/RuntimeBootstrap.java @@ -0,0 +1,113 @@ +/** + * + * 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; + } +} |