1 files changed, 0 insertions, 263 deletions
diff --git a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
deleted file mode 100644
index 2452e3cf1a..0000000000
--- a/branches/sca-java-1.0.1/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you 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.sca.provider;
-
-import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.sca.assembly.Binding;
-import org.apache.tuscany.sca.assembly.Implementation;
-import org.apache.tuscany.sca.contribution.util.ServiceConfigurationUtil;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
-import org.apache.tuscany.sca.runtime.RuntimeComponentService;
-
-/**
- * Default implementation of a provider factory extension point.
- *
- * @version $Rev$ $Date$
- */
-public class DefaultProviderFactoryExtensionPoint implements ProviderFactoryExtensionPoint {
-    
-    private ExtensionPointRegistry registry;
-    private final Map<Class<?>, ProviderFactory> providerFactories = new HashMap<Class<?>, ProviderFactory>();
-    private boolean loaded;
-
-    /**
-     * The default constructor. Does nothing.
-     *
-     */
-    public DefaultProviderFactoryExtensionPoint(ExtensionPointRegistry registry) {
-        this.registry = registry;
-    }
-
-    /**
-     * Add a provider factory.
-     * 
-     * @param providerFactory The provider factory
-     */
-    public void addProviderFactory(ProviderFactory providerFactory) {
-        providerFactories.put(providerFactory.getModelType(), providerFactory);
-    }
-    
-    /**
-     * Remove a provider factory.
-     * 
-     * @param providerFactory The provider factory
-     */
-    public void removeProviderFactory(ProviderFactory providerFactory) {
-        providerFactories.remove(providerFactory.getModelType());
-    }
-    
-    /**
-     * Returns the provider factory associated with the given model type.
-     * @param modelType A model type
-     * @return The provider factory associated with the given model type
-     */
-    public ProviderFactory getProviderFactory(Class<?> modelType) {
-        loadProviderFactories();
-        
-        Class<?>[] classes = modelType.getInterfaces();
-        for (Class<?> c : classes) {
-            ProviderFactory factory = providerFactories.get(c);
-            if (factory != null) {
-                return factory;
-            }
-        }
-        return providerFactories.get(modelType);
-    }
-
-    /**
-     * Load provider factories declared under META-INF/services.
-     * @param registry
-     */
-    private void loadProviderFactories() {
-        if (loaded)
-            return;
-
-        loadProviderFactories(BindingProviderFactory.class);
-        loadProviderFactories(ImplementationProviderFactory.class);
-        
-        loaded = true;
-    }
-    
-    /**
-     * Load provider factories declared under META-INF/services.
-     * @param registry
-     * @param factoryClass
-     * @return
-     */
-    private List<ProviderFactory> loadProviderFactories(Class<?> factoryClass) {
-
-        // Get the provider factory service declarations
-        List<String> factoryDeclarations; 
-        try {
-            ClassLoader classLoader = factoryClass.getClassLoader();
-            factoryDeclarations = ServiceConfigurationUtil.getServiceClassNames(classLoader, factoryClass.getName());
-        } catch (IOException e) {
-            throw new IllegalStateException(e);
-        }
-        
-        // Get the target extension point
-        ProviderFactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(ProviderFactoryExtensionPoint.class);
-        List<ProviderFactory> factories = new ArrayList<ProviderFactory>();
-        
-        for (String factoryDeclaration: factoryDeclarations) {
-            Map<String, String> attributes = ServiceConfigurationUtil.parseServiceDeclaration(factoryDeclaration);
-            String className = attributes.get("class");
-            
-            // Load an implementation provider factory
-            if (factoryClass == ImplementationProviderFactory.class) {
-                String modelTypeName = attributes.get("model");
-                
-                // Create a provider factory wrapper and register it
-                ImplementationProviderFactory factory = new LazyImplementationProviderFactory(registry, modelTypeName, className);
-                factoryExtensionPoint.addProviderFactory(factory);
-                factories.add(factory);
-
-            } else if (factoryClass == BindingProviderFactory.class) {
-
-                // Load a binding provider factory
-                String modelTypeName = attributes.get("model");
-                
-                // Create a provider factory wrapper and register it
-                BindingProviderFactory factory = new LazyBindingProviderFactory(registry, modelTypeName, className);
-                factoryExtensionPoint.addProviderFactory(factory);
-                factories.add(factory);
-            }
-        }
-        return factories;
-    }
-
-    /**
-     * A wrapper around an implementation provider factory allowing lazy
-     * loading and initialization of implementation providers.
-     */
-    private static class LazyBindingProviderFactory implements BindingProviderFactory {
-
-        private ExtensionPointRegistry registry;
-        private String modelTypeName;
-        private String className;
-        private BindingProviderFactory factory;
-        private Class modelType;
-        
-        private LazyBindingProviderFactory(ExtensionPointRegistry registry, String modelTypeName, String className) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.className = className;
-        }
-
-        @SuppressWarnings("unchecked")
-        private BindingProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    ClassLoader classLoader = BindingProviderFactory.class.getClassLoader();
-                    Class<BindingProviderFactory> factoryClass = (Class<BindingProviderFactory>)Class.forName(className, true, classLoader);
-                    Constructor<BindingProviderFactory> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class);
-                    factory = constructor.newInstance(registry);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return factory;
-        }
-
-        @SuppressWarnings("unchecked")
-        public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, Binding binding) {
-            return getFactory().createReferenceBindingProvider(component, reference, binding);
-        }
-        
-        @SuppressWarnings("unchecked")
-        public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, Binding binding) {
-            return getFactory().createServiceBindingProvider(component, service, binding);
-        }
-        
-        public Class getModelType() {
-            if (modelType == null) {
-                try {
-                    ClassLoader classLoader = BindingProviderFactory.class.getClassLoader();
-                    modelType = Class.forName(modelTypeName, true, classLoader);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-
-    }
-
-    /**
-     * A wrapper around an implementation provider factory allowing lazy
-     * loading and initialization of implementation providers.
-     */
-    private class LazyImplementationProviderFactory implements ImplementationProviderFactory {
-
-        private ExtensionPointRegistry registry;
-        private String modelTypeName;
-        private String className;
-        private ImplementationProviderFactory factory;
-        private Class modelType;
-        
-        private LazyImplementationProviderFactory(ExtensionPointRegistry registry, String modelTypeName, String className) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.className = className;
-        }
-
-        @SuppressWarnings("unchecked")
-        private ImplementationProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    ClassLoader classLoader = ImplementationProviderFactory.class.getClassLoader();
-                    Class<ImplementationProviderFactory> factoryClass = (Class<ImplementationProviderFactory>)Class.forName(className, true, classLoader);
-                    Constructor<ImplementationProviderFactory> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class);
-                    factory = constructor.newInstance(registry);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return factory;
-        }
-
-        @SuppressWarnings("unchecked")
-        public ImplementationProvider createImplementationProvider(RuntimeComponent component, Implementation Implementation) {
-            return getFactory().createImplementationProvider(component, Implementation);
-        }
-
-        public Class getModelType() {
-            if (modelType == null) {
-                try {
-                    ClassLoader classLoader = ImplementationProviderFactory.class.getClassLoader();
-                    modelType = Class.forName(modelTypeName, true, classLoader);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-
-    }
-
-}