1 files changed, 0 insertions, 489 deletions
diff --git a/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java b/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
deleted file mode 100644
index 8621baca2e..0000000000
--- a/java/sca/modules/core-spi/src/main/java/org/apache/tuscany/sca/provider/DefaultProviderFactoryExtensionPoint.java
+++ /dev/null
@@ -1,489 +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.lang.reflect.Constructor;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.sca.assembly.Endpoint;
-import org.apache.tuscany.sca.assembly.EndpointReference;
-import org.apache.tuscany.sca.assembly.Implementation;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
-import org.apache.tuscany.sca.extensibility.ServiceDiscovery;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
-import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
-
-/**
- * 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 final List<PolicyProviderFactory> policyProviderFactories = new ArrayList<PolicyProviderFactory>();
-    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) {
-        if(providerFactory instanceof PolicyProviderFactory) {
-            policyProviderFactories.add((PolicyProviderFactory)providerFactory);
-        } 
-        providerFactories.put(providerFactory.getModelType(), providerFactory);
-    }
-
-    /**
-     * Remove a provider factory.
-     * 
-     * @param providerFactory The provider factory
-     */
-    public void removeProviderFactory(ProviderFactory providerFactory) {
-        if(providerFactory instanceof PolicyProviderFactory) {
-            policyProviderFactories.remove((PolicyProviderFactory)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);
-    }
-
-    public List<PolicyProviderFactory> getPolicyProviderFactories() {
-        loadProviderFactories();
-        return policyProviderFactories;
-    }
-
-    /**
-     * Load provider factories declared under META-INF/services.
-     * @param registry
-     */
-    private synchronized void loadProviderFactories() {
-        if (loaded)
-            return;
-
-        loadProviderFactories(BindingProviderFactory.class);
-        loadProviderFactories(ImplementationProviderFactory.class);
-        loadProviderFactories(PolicyProviderFactory.class);
-        loadProviderFactories(WireFormatProviderFactory.class);
-        loadProviderFactories(OperationSelectorProviderFactory.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
-        Collection<ServiceDeclaration> factoryDeclarations;
-        ServiceDiscovery serviceDiscovery = registry.getServiceDiscovery();
-        try {
-            factoryDeclarations = serviceDiscovery.getServiceDeclarations(factoryClass.getName(), true);
-        } catch (Exception e) {
-            throw new IllegalStateException(e);
-        }
-
-        // Get the target extension point
-        ProviderFactoryExtensionPoint factoryExtensionPoint =
-            registry.getExtensionPoint(ProviderFactoryExtensionPoint.class);
-        List<ProviderFactory> factories = new ArrayList<ProviderFactory>();
-
-        for (ServiceDeclaration factoryDeclaration : factoryDeclarations) {
-            Map<String, String> attributes = factoryDeclaration.getAttributes();
-
-            // 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, factoryDeclaration);
-                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, factoryDeclaration);
-                factoryExtensionPoint.addProviderFactory(factory);
-                factories.add(factory);
-            } else if (factoryClass == PolicyProviderFactory.class) {
-                // Load a policy provider factory
-                String modelTypeName = attributes.get("model");
-
-                // Create a provider factory wrapper and register it
-                PolicyProviderFactory factory =
-                    new LazyPolicyProviderFactory(registry, modelTypeName, factoryDeclaration);
-                factoryExtensionPoint.addProviderFactory(factory);
-                factories.add(factory);
-            } else if (factoryClass == WireFormatProviderFactory.class) {
-
-                // Load a wire format provider factory
-                String modelTypeName = attributes.get("model");
-
-                // Create a provider factory wrapper and register it
-                WireFormatProviderFactory factory =
-                    new LazyWireFormatProviderFactory(registry, modelTypeName, factoryDeclaration);
-                factoryExtensionPoint.addProviderFactory(factory);
-                factories.add(factory);
-            } else if (factoryClass == OperationSelectorProviderFactory.class) {
-
-                // Load a wire format provider factory
-                String modelTypeName = attributes.get("model");
-
-                // Create a provider factory wrapper and register it
-                OperationSelectorProviderFactory factory =
-                    new LazyOperationSelectorProviderFactory(registry, modelTypeName, factoryDeclaration);
-                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 ServiceDeclaration factoryDeclaration;
-        private BindingProviderFactory factory;
-        private Class<?> modelType;
-
-        private LazyBindingProviderFactory(ExtensionPointRegistry registry,
-                                           String modelTypeName,
-                                           ServiceDeclaration factoryDeclaration) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.factoryDeclaration = factoryDeclaration;
-        }
-
-        @SuppressWarnings("unchecked")
-        private BindingProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    Class<BindingProviderFactory> factoryClass =
-                        (Class<BindingProviderFactory>)factoryDeclaration.loadClass();
-                    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(RuntimeEndpointReference endpointReference) {
-            return getFactory().createReferenceBindingProvider(endpointReference);
-        }
-
-        @SuppressWarnings("unchecked")
-        public ServiceBindingProvider createServiceBindingProvider(RuntimeEndpoint endpoint) {
-            return getFactory().createServiceBindingProvider(endpoint);
-        }
-
-        public Class<?> getModelType() {
-            if (modelType == null) {
-                try {
-                    modelType = factoryDeclaration.loadClass(modelTypeName);
-                } 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 ServiceDeclaration providerClass;
-        private ImplementationProviderFactory factory;
-        private Class<?> modelType;
-
-        private LazyImplementationProviderFactory(ExtensionPointRegistry registry,
-                                                  String modelTypeName,
-                                                  ServiceDeclaration providerClass) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.providerClass = providerClass;
-        }
-
-        @SuppressWarnings("unchecked")
-        private ImplementationProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    Class<ImplementationProviderFactory> factoryClass =
-                        (Class<ImplementationProviderFactory>)providerClass.loadClass();
-                    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 {
-
-                    modelType = providerClass.loadClass(modelTypeName);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-
-    }
-
-    /**
-     * A wrapper around an policy provider factory allowing lazy
-     * loading and initialization of policy providers.
-     */
-    private class LazyPolicyProviderFactory implements PolicyProviderFactory {
-        private ExtensionPointRegistry registry;
-        private String modelTypeName;
-        private ServiceDeclaration providerClass;
-        private PolicyProviderFactory factory;
-        private Class<?> modelType;
-
-        private LazyPolicyProviderFactory(ExtensionPointRegistry registry,
-                                          String modelTypeName,
-                                          ServiceDeclaration providerClass) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.providerClass = providerClass;
-        }
-
-        @SuppressWarnings("unchecked")
-        private PolicyProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    Class<PolicyProviderFactory> factoryClass = (Class<PolicyProviderFactory>)providerClass.loadClass();
-                    Constructor<PolicyProviderFactory> constructor =
-                        factoryClass.getConstructor(ExtensionPointRegistry.class);
-                    factory = constructor.newInstance(registry);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return factory;
-        }
-
-        public PolicyProvider createImplementationPolicyProvider(RuntimeComponent component) {
-            return getFactory().createImplementationPolicyProvider(component);
-        }
-
-        public PolicyProvider createReferencePolicyProvider(EndpointReference endpointReference) {
-            return getFactory().createReferencePolicyProvider(endpointReference);
-        }
-
-        public PolicyProvider createServicePolicyProvider(Endpoint endpoint) {
-            return getFactory().createServicePolicyProvider(endpoint);
-        }
-
-        public Class<?> getModelType() {
-            if (modelType == null) {
-                try {
-                    modelType = providerClass.loadClass(modelTypeName);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-    }
-
-    /**
-     * A wrapper around a wire format provider factory allowing lazy
-     * loading and initialization of wire format providers.
-     */
-    private class LazyWireFormatProviderFactory implements WireFormatProviderFactory {
-
-        private ExtensionPointRegistry registry;
-        private String modelTypeName;
-        private ServiceDeclaration providerClass;
-        private WireFormatProviderFactory factory;
-        private Class<?> modelType;
-
-        private LazyWireFormatProviderFactory(ExtensionPointRegistry registry,
-                                              String modelTypeName,
-                                              ServiceDeclaration providerClass) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.providerClass = providerClass;
-        }
-
-        @SuppressWarnings("unchecked")
-        private WireFormatProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    Class<WireFormatProviderFactory> factoryClass =
-                        (Class<WireFormatProviderFactory>)providerClass.loadClass();
-                    Constructor<WireFormatProviderFactory> constructor =
-                        factoryClass.getConstructor(ExtensionPointRegistry.class);
-                    factory = constructor.newInstance(registry);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return factory;
-        }
-
-        public WireFormatProvider createReferenceWireFormatProvider(RuntimeEndpointReference endpointReference){
-            return getFactory().createReferenceWireFormatProvider(endpointReference);
-        }
-
-        public WireFormatProvider createServiceWireFormatProvider(RuntimeEndpoint endpoint){
-            return getFactory().createServiceWireFormatProvider(endpoint);
-        }
-
-        public Class<?> getModelType() {
-            if (modelType == null) {
-                try {
-
-                    modelType = providerClass.loadClass(modelTypeName);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-    }
-
-    /**
-     * A wrapper around a operation selector provider factory allowing lazy
-     * loading and initialization of operation selector providers.
-     */
-    private class LazyOperationSelectorProviderFactory implements OperationSelectorProviderFactory {
-
-        private ExtensionPointRegistry registry;
-        private String modelTypeName;
-        private ServiceDeclaration providerClass;
-        private OperationSelectorProviderFactory factory;
-        private Class<?> modelType;
-
-        private LazyOperationSelectorProviderFactory(ExtensionPointRegistry registry,
-                                                     String modelTypeName,
-                                                     ServiceDeclaration providerClass) {
-            this.registry = registry;
-            this.modelTypeName = modelTypeName;
-            this.providerClass = providerClass;
-        }
-
-        @SuppressWarnings("unchecked")
-        private OperationSelectorProviderFactory getFactory() {
-            if (factory == null) {
-                try {
-                    Class<OperationSelectorProviderFactory> factoryClass =
-                        (Class<OperationSelectorProviderFactory>)providerClass.loadClass();
-                    Constructor<OperationSelectorProviderFactory> constructor =
-                        factoryClass.getConstructor(ExtensionPointRegistry.class);
-                    factory = constructor.newInstance(registry);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return factory;
-        }
-
-        public OperationSelectorProvider createReferenceOperationSelectorProvider(RuntimeEndpointReference endpointReference){
-            return getFactory().createReferenceOperationSelectorProvider(endpointReference);
-        }
-
-        public OperationSelectorProvider createServiceOperationSelectorProvider(RuntimeEndpoint endpoint){
-            return getFactory().createServiceOperationSelectorProvider(endpoint);
-        }
-
-        public Class<?> getModelType() {
-            if (modelType == null) {
-                try {
-
-                    modelType = providerClass.loadClass(modelTypeName);
-                } catch (Exception e) {
-                    throw new IllegalStateException(e);
-                }
-            }
-            return modelType;
-        }
-    }
-    
-}