1 files changed, 138 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/client/BootstrapHelper.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/client/BootstrapHelper.java
new file mode 100644
index 0000000000..556b0991f7
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/client/BootstrapHelper.java
@@ -0,0 +1,138 @@
+/**
+ *
+ * Copyright 2006 The Apache Software Foundation
+ *
+ *  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.core.client;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.xml.stream.XMLInputFactory;
+
+import org.apache.tuscany.common.monitor.MonitorFactory;
+import org.apache.tuscany.common.resource.ResourceLoader;
+import org.apache.tuscany.common.resource.impl.ResourceLoaderImpl;
+import org.apache.tuscany.core.builder.ContextFactoryBuilder;
+import org.apache.tuscany.core.builder.ContextFactoryBuilderRegistry;
+import org.apache.tuscany.core.builder.impl.ContextFactoryBuilderRegistryImpl;
+import org.apache.tuscany.core.config.ConfigurationException;
+import org.apache.tuscany.core.config.ModuleComponentConfigurationLoader;
+import org.apache.tuscany.core.config.impl.StAXModuleComponentConfigurationLoaderImpl;
+import org.apache.tuscany.core.context.CompositeContext;
+import org.apache.tuscany.core.context.SystemCompositeContext;
+import org.apache.tuscany.core.context.event.ModuleStart;
+import org.apache.tuscany.core.loader.StAXLoaderRegistry;
+import org.apache.tuscany.core.loader.StAXUtil;
+import org.apache.tuscany.core.system.assembly.impl.SystemAssemblyFactoryImpl;
+import org.apache.tuscany.core.system.builder.SystemContextFactoryBuilder;
+import org.apache.tuscany.core.system.builder.SystemEntryPointBuilder;
+import org.apache.tuscany.core.system.builder.SystemExternalServiceBuilder;
+import org.apache.tuscany.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.AssemblyContext;
+import org.apache.tuscany.model.assembly.ModuleComponent;
+import org.apache.tuscany.model.assembly.impl.AssemblyContextImpl;
+import org.apache.tuscany.model.assembly.loader.AssemblyModelLoader;
+import org.apache.tuscany.model.scdl.loader.impl.SCDLAssemblyModelLoaderImpl;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public final class BootstrapHelper {
+    private BootstrapHelper() {
+    }
+
+    /**
+     * Returns a default AssemblyModelContext.
+     *
+     * @param classLoader the classloader to use for application artifacts
+     * @return a default AssemblyModelContext
+     */
+    public static AssemblyContext getModelContext(ClassLoader classLoader) {
+        // Create an assembly model factory
+        AssemblyFactory modelFactory = new SystemAssemblyFactoryImpl();
+
+        // Create a default assembly model loader
+        AssemblyModelLoader modelLoader = new SCDLAssemblyModelLoaderImpl();
+
+        // Create a resource loader from the supplied classloader
+        ResourceLoader resourceLoader = new ResourceLoaderImpl(classLoader);
+
+        // Create an assembly model context
+        return new AssemblyContextImpl(modelFactory, modelLoader, resourceLoader);
+    }
+
+    /**
+     * Returns a default list of configuration builders.
+     *
+     * @param monitorFactory
+     * @return a default list of configuration builders
+     */
+    public static List<ContextFactoryBuilder> getBuilders(MonitorFactory monitorFactory) {
+        List<ContextFactoryBuilder> configBuilders = new ArrayList<ContextFactoryBuilder>();
+        configBuilders.add((new SystemContextFactoryBuilder(monitorFactory)));
+        configBuilders.add(new SystemEntryPointBuilder());
+        configBuilders.add(new SystemExternalServiceBuilder());
+        return configBuilders;
+    }
+
+    /**
+     * Returns a ContextFactoryBuilderRegistry with default builders registered for system contexts.
+     *
+     * @param monitorFactory a monitorFactory that will be used to obtain monitors for system components
+     * @return a default ContextFactoryBuilderRegistry
+     */
+    public static ContextFactoryBuilderRegistry bootstrapContextFactoryBuilders(MonitorFactory monitorFactory) {
+        ContextFactoryBuilderRegistryImpl registry = new ContextFactoryBuilderRegistryImpl();
+        registry.register(new SystemContextFactoryBuilder(monitorFactory));
+        registry.register(new SystemEntryPointBuilder());
+        registry.register(new SystemExternalServiceBuilder());
+        return registry;
+    }
+
+    public static final String SYSTEM_LOADER_COMPONENT = "tuscany.loader";
+
+    /**
+     * Returns the default module configuration loader.
+     *
+     * @param systemContext the runtime's system context
+     * @param modelContext  the model context the loader will use
+     * @return the default module configuration loader
+     */
+    public static ModuleComponentConfigurationLoader getConfigurationLoader(SystemCompositeContext systemContext, AssemblyContext modelContext) {
+        return new StAXModuleComponentConfigurationLoaderImpl(modelContext, XMLInputFactory.newInstance(), systemContext.resolveInstance(StAXLoaderRegistry.class));
+    }
+
+    /**
+     * Bootstrap the StAX-based loader.
+     *
+     * @param parentContext the parent system context
+     * @param modelContext
+     * @return the system context for the loader
+     * @throws ConfigurationException
+     */
+    public static CompositeContext bootstrapStaxLoader(SystemCompositeContext parentContext, AssemblyContext modelContext) throws ConfigurationException {
+        ModuleComponent loaderComponent = StAXUtil.bootstrapLoader(SYSTEM_LOADER_COMPONENT, modelContext);
+        CompositeContext loaderContext = registerModule(parentContext, loaderComponent);
+        loaderContext.publish(new ModuleStart(loaderComponent));
+        return loaderContext;
+    }
+
+    public static CompositeContext registerModule(CompositeContext parent, ModuleComponent component) throws ConfigurationException {
+        // register the component
+        parent.registerModelObject(component);
+
+        // Get the composite context representing the component
+        return (CompositeContext) parent.getContext(component.getName());
+    }
+}