1 files changed, 164 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/AbstractModuleComponentConfigurationLoader.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/AbstractModuleComponentConfigurationLoader.java
new file mode 100644
index 0000000000..a77031b8c5
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/AbstractModuleComponentConfigurationLoader.java
@@ -0,0 +1,164 @@
+/**
+ *
+ * Copyright 2005 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.config.impl;
+
+import org.apache.tuscany.common.resource.ResourceLoader;
+import org.apache.tuscany.core.config.ConfigurationLoadException;
+import org.apache.tuscany.core.config.ModuleComponentConfigurationLoader;
+import org.apache.tuscany.core.config.ComponentTypeIntrospector;
+import org.apache.tuscany.core.config.processor.ProcessorUtils;
+import org.apache.tuscany.core.system.context.SystemCompositeContextImpl;
+import org.apache.tuscany.core.context.impl.CompositeContextImpl;
+import org.apache.tuscany.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.AssemblyContext;
+import org.apache.tuscany.model.assembly.Module;
+import org.apache.tuscany.model.assembly.ModuleComponent;
+import org.apache.tuscany.model.assembly.ModuleFragment;
+import org.apache.tuscany.model.assembly.ComponentType;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractModuleComponentConfigurationLoader implements ModuleComponentConfigurationLoader {
+    private static final String SCA_MODULE_FILE_NAME = "sca.module";
+    //FIXME can fragments have a variable prefix name?
+    private static final String SCA_FRAGMENT_FILE_NAME = "sca.fragment";
+    private static final String SYSTEM_MODULE_FILE_NAME = "system.module";
+    //FIXME can fragments have a variable prefix name?
+    private static final String SYSTEM_FRAGMENT_FILE_NAME = "system.fragment";
+
+    protected final AssemblyContext modelContext;
+    protected final ResourceLoader resourceLoader;
+    protected final AssemblyFactory assemblyFactory;
+
+    // JFM HACK
+    private ComponentTypeIntrospector introspector;
+
+    private ComponentType systemType;
+
+    private ComponentType compositeType;
+
+    protected ComponentTypeIntrospector getIntrospector(){
+        if (introspector == null){
+            introspector =  ProcessorUtils.createCoreIntrospector(assemblyFactory);
+        }
+        return introspector;
+    }
+
+    protected ComponentType getSystemCompositeComponentType() throws ConfigurationLoadException {
+        if (systemType == null){
+            systemType = getIntrospector().introspect(SystemCompositeContextImpl.class);
+        }
+        return systemType;
+    }
+
+    protected ComponentType getCompositeComponentType() throws ConfigurationLoadException {
+        if (compositeType == null){
+            compositeType = getIntrospector().introspect(CompositeContextImpl.class);
+        }
+        return compositeType;
+    }
+    ///  JFM HACK
+
+    protected AbstractModuleComponentConfigurationLoader(AssemblyContext modelContext) {
+        this.modelContext = modelContext;
+        resourceLoader = modelContext.getApplicationResourceLoader();
+        assemblyFactory = modelContext.getAssemblyFactory();
+    }
+
+    public ModuleComponent loadSystemModuleComponent(String name, String uri) throws ConfigurationLoadException {
+        ModuleComponent mc = loadModuleComponent(SYSTEM_MODULE_FILE_NAME, SYSTEM_FRAGMENT_FILE_NAME, name, uri);
+        //JFM HACK  - this is completely gross since it overwrites existing component type
+        mc.getImplementation().setImplementationClass(SystemCompositeContextImpl.class);
+        mc.getImplementation().setComponentType(getSystemCompositeComponentType());
+        //END HACK
+        return mc;
+    }
+
+    public ModuleComponent loadModuleComponent(String name, String uri) throws ConfigurationLoadException {
+        ModuleComponent mc = loadModuleComponent(SCA_MODULE_FILE_NAME, SCA_FRAGMENT_FILE_NAME, name, uri);
+        //JFM HACK
+        mc.getImplementation().setImplementationClass(CompositeContextImpl.class);
+        mc.getImplementation().setComponentType(getCompositeComponentType());
+        //END HACK
+        return mc;
+    }
+
+    protected ModuleComponent loadModuleComponent(String moduleFileName, String fragmentFileName, String name, String uri) throws ConfigurationLoadException {
+
+        // Load the sca.module file
+        URL moduleUrl;
+        moduleUrl = resourceLoader.getResource(moduleFileName);
+
+
+        if (moduleUrl == null) {
+            throw new ConfigurationLoadException(moduleFileName);
+        }
+
+        // Load the sca.fragment files
+        Iterator<URL> i;
+        try {
+            i = resourceLoader.getResources(fragmentFileName);
+        } catch (IOException e) {
+            throw new ConfigurationLoadException(fragmentFileName, e);
+        }
+        List<URL> moduleFragmentUris=new ArrayList<URL>();
+        while (i.hasNext()) {
+            URL url=i.next();
+            moduleFragmentUris.add(url);
+        }
+
+        return loadModuleComponent(name, uri, moduleUrl, moduleFragmentUris);
+    }
+
+    public ModuleComponent loadModuleComponent(String name, String uri, URL url) throws ConfigurationLoadException {
+        return loadModuleComponent( name, uri, url, null);
+    }
+
+    public ModuleComponent loadModuleComponent(String name, String uri, URL moduleUri, Collection<URL> moduleFragmentUris) throws ConfigurationLoadException {
+
+        // Load the module file
+        Module module=loadModule(moduleUri);
+        // Load the sca.fragment files
+        if (moduleFragmentUris!=null) {
+            for (URL moduleFragmentUri : moduleFragmentUris) {
+                ModuleFragment moduleFragment=loadModuleFragment(moduleFragmentUri);
+                module.getModuleFragments().add(moduleFragment);
+            }
+        }
+
+        // Create the module component
+        ModuleComponent moduleComponent=assemblyFactory.createModuleComponent();
+        moduleComponent.setName(name);
+        moduleComponent.setURI(uri);
+        moduleComponent.setImplementation(module);
+        moduleComponent.initialize(modelContext);
+
+        return moduleComponent;
+    }
+
+    public abstract Module loadModule(URL url) throws ConfigurationLoadException;
+
+    public abstract ModuleFragment loadModuleFragment(URL url) throws ConfigurationLoadException;
+}