1 files changed, 142 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/config/impl/ModuleComponentConfigurationLoaderImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/config/impl/ModuleComponentConfigurationLoaderImpl.java
new file mode 100644
index 0000000000..bed4b0ac40
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/config/impl/ModuleComponentConfigurationLoaderImpl.java
@@ -0,0 +1,142 @@
+/**
+ *
+ *  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.core.config.impl;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
+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.model.assembly.AssemblyFactory;
+import org.apache.tuscany.model.assembly.AssemblyModelContext;
+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.loader.AssemblyModelLoader;
+
+/**
+ */
+public class ModuleComponentConfigurationLoaderImpl 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";
+    
+    private AssemblyModelContext modelContext;
+    private ResourceLoader resourceLoader;
+    private AssemblyFactory assemblyFactory;
+    private AssemblyModelLoader modelLoader;
+    
+    /**
+     * Constructor
+     */
+    public ModuleComponentConfigurationLoaderImpl(AssemblyModelContext modelContext) {
+        this.modelContext=modelContext;
+        this.modelLoader=this.modelContext.getAssemblyLoader();
+        this.assemblyFactory=this.modelContext.getAssemblyFactory();
+        this.resourceLoader=this.modelContext.getApplicationResourceLoader();
+    }
+    
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadModuleComponent(java.lang.String, java.lang.String)
+     */
+    public ModuleComponent loadSystemModuleComponent(String name, String uri) throws ConfigurationLoadException {
+        return loadModuleComponent(SYSTEM_MODULE_FILE_NAME, SYSTEM_FRAGMENT_FILE_NAME, name, uri);
+    }
+
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadModuleComponent(java.lang.String, java.lang.String)
+     */
+    public ModuleComponent loadModuleComponent(String name, String uri) throws ConfigurationLoadException {
+        return loadModuleComponent(SCA_MODULE_FILE_NAME, SCA_FRAGMENT_FILE_NAME, name, uri);
+    }
+
+    /**
+     * Load a module component.
+     */
+    private ModuleComponent loadModuleComponent(String moduleFileName, String fragmentFileName, String name, String uri) throws ConfigurationLoadException {
+
+        // Load the sca.module file
+        URL moduleUrl;
+        try {
+            moduleUrl = resourceLoader.getResource(moduleFileName);
+        } catch (IOException e) {
+            throw new ConfigurationLoadException(moduleFileName, e);
+        }
+        if (moduleUrl == null) {
+            throw new ConfigurationLoadException(moduleFileName);
+        }
+        String moduleUri=moduleUrl.toString();
+
+        // Load the sca.fragment files
+        Iterator<URL> i;
+        try {
+            i = resourceLoader.getAllResources(fragmentFileName);
+        } catch (IOException e) {
+            throw new ConfigurationLoadException(fragmentFileName, e);
+        }
+        List<String> moduleFragmentUris=new ArrayList<String>();
+        for (; i.hasNext(); ) {
+            URL url=i.next();
+            moduleFragmentUris.add(url.toString());
+        }
+        
+        return loadModuleComponent(name, uri, moduleUri, moduleFragmentUris);
+    }
+
+    /**
+     * @see org.apache.tuscany.core.config.ModuleComponentConfigurationLoader#loadModuleComponent(java.lang.String, java.lang.String, java.lang.String)
+     */
+    public ModuleComponent loadModuleComponent(String name, String uri, String url) throws ConfigurationLoadException {
+        return loadModuleComponent( name, uri, url, (Collection)null);
+    }
+    
+    /**
+     * @see org.apache.tuscany.core.config.ModuleComponentConfigurationLoader#loadModuleComponent(java.lang.String, java.lang.String, java.lang.String, java.util.Collection)
+     */
+    public ModuleComponent loadModuleComponent(String name, String uri, String moduleUri, Collection<String> moduleFragmentUris) throws ConfigurationLoadException {
+
+        // Load the module file
+        Module module=modelLoader.loadModule(moduleUri);
+
+        // Load the sca.fragment files
+        if (moduleFragmentUris!=null) {
+            for (String moduleFragmentUri : moduleFragmentUris) {
+                ModuleFragment moduleFragment=modelLoader.loadModuleFragment(moduleFragmentUri);
+                module.getModuleFragments().add(moduleFragment);
+            }
+        }
+
+        // Create the module component
+        ModuleComponent moduleComponent=assemblyFactory.createModuleComponent();
+        moduleComponent.setName(name);
+        moduleComponent.setURI(uri);
+        moduleComponent.setComponentImplementation(module);
+        moduleComponent.initialize(modelContext);
+
+        return moduleComponent;
+    }
+    
+}