diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC2/modules/extensibility/src')
18 files changed, 0 insertions, 1719 deletions
diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java deleted file mode 100644 index 3ea587c5f2..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java +++ /dev/null @@ -1,226 +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.core; - -import java.io.IOException; -import java.lang.reflect.Constructor; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Modifier; -import java.util.HashMap; -import java.util.HashSet; -import java.util.IdentityHashMap; -import java.util.Map; -import java.util.Set; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - -/** - * Default implementation of a registry to hold all the Tuscany core extension - * points. As the point of contact for all extension artifacts this registry - * allows loaded extensions to find all other parts of the system and register - * themselves appropriately. - * - * @version $Rev$ $Date$ - */ -public class DefaultExtensionPointRegistry implements ExtensionPointRegistry { - private Map<Class<?>, Object> extensionPoints = new HashMap<Class<?>, Object>(); - - /** - * Constructs a new registry. - */ - public DefaultExtensionPointRegistry() { - } - - /** - * Add an extension point to the registry. This default implementation - * stores extensions against the interfaces that they implement. - * - * @param extensionPoint The instance of the extension point - * - * @throws IllegalArgumentException if extensionPoint is null - */ - public synchronized void addExtensionPoint(Object extensionPoint) { - addExtensionPoint(extensionPoint, null); - } - - public synchronized void addExtensionPoint(Object extensionPoint, ServiceDeclaration declaration) { - if (extensionPoint == null) { - throw new IllegalArgumentException("Cannot register null as an ExtensionPoint"); - } - if (extensionPoint instanceof ModuleActivator) { - ((ModuleActivator)extensionPoint).start(this); - } - Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass()); - for (Class<?> i : interfaces) { - registerExtensionPoint(i, extensionPoint, declaration); - } - } - - protected void registerExtensionPoint(Class<?> i, Object extensionPoint, ServiceDeclaration declaration) { - extensionPoints.put(i, extensionPoint); - } - - private Constructor<?> getConstructor(Constructor<?>[] constructors, Class<?>[] paramTypes) { - for (Constructor<?> c : constructors) { - Class<?>[] types = c.getParameterTypes(); - if (c.getParameterTypes().length == paramTypes.length) { - boolean found = true; - for (int i = 0; i < types.length; i++) { - if (types[i] != paramTypes[i]) { - found = false; - break; - } - } - if (found) { - return c; - } - } - } - return null; - } - - /** - * Get the extension point by the interface that it implements - * - * @param extensionPointType The lookup key (extension point interface) - * @return The instance of the extension point - * - * @throws IllegalArgumentException if extensionPointType is null - */ - public synchronized <T> T getExtensionPoint(Class<T> extensionPointType) { - if (extensionPointType == null) { - throw new IllegalArgumentException("Cannot lookup ExtensionPoint of type null"); - } - - Object extensionPoint = findExtensionPoint(extensionPointType); - if (extensionPoint == null) { - - // Dynamically load an extension point class declared under META-INF/services - try { - ServiceDeclaration extensionPointDeclaration = - ServiceDiscovery.getInstance().getServiceDeclaration(extensionPointType.getName()); - if (extensionPointDeclaration != null) { - Class<?> extensionPointClass = extensionPointDeclaration.loadClass(); - - // Construct the extension point - Constructor<?>[] constructors = extensionPointClass.getConstructors(); - Constructor<?> constructor = - getConstructor(constructors, new Class<?>[] {ExtensionPointRegistry.class}); - if (constructor != null) { - extensionPoint = constructor.newInstance(this); - } else { - constructor = getConstructor(constructors, new Class<?>[] {}); - if (constructor != null) { - extensionPoint = constructor.newInstance(); - } else { - throw new IllegalArgumentException( - "No valid constructor is found for " + extensionPointClass); - } - } - - // Cache the loaded extension point - addExtensionPoint(extensionPoint, extensionPointDeclaration); - } - } catch (InvocationTargetException e) { - throw new IllegalArgumentException(e); - } catch (IOException e) { - throw new IllegalArgumentException(e); - } catch (ClassNotFoundException e) { - throw new IllegalArgumentException(e); - } catch (InstantiationException e) { - throw new IllegalArgumentException(e); - } catch (IllegalAccessException e) { - throw new IllegalArgumentException(e); - } - } - return extensionPointType.cast(extensionPoint); - } - - protected <T> Object findExtensionPoint(Class<T> extensionPointType) { - return extensionPoints.get(extensionPointType); - } - - /** - * Remove an extension point based on the interface that it implements - * - * @param extensionPoint The extension point to remove - * - * @throws IllegalArgumentException if extensionPoint is null - */ - public synchronized void removeExtensionPoint(Object extensionPoint) { - if (extensionPoint == null) { - throw new IllegalArgumentException("Cannot remove null as an ExtensionPoint"); - } - - if (extensionPoint instanceof ModuleActivator) { - ((ModuleActivator)extensionPoint).stop(this); - } - - Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass()); - for (Class<?> i : interfaces) { - unregisterExtensionPoint(i); - } - } - - protected void unregisterExtensionPoint(Class<?> i) { - extensionPoints.remove(i); - } - - /** - * Returns the set of interfaces implemented by the given class and its - * ancestors or a blank set if none - */ - private static Set<Class<?>> getAllInterfaces(Class<?> clazz) { - Set<Class<?>> implemented = new HashSet<Class<?>>(); - getAllInterfaces(clazz, implemented); - return implemented; - } - - private static void getAllInterfaces(Class<?> clazz, Set<Class<?>> implemented) { - Class<?>[] interfaces = clazz.getInterfaces(); - for (Class<?> interfaze : interfaces) { - if (Modifier.isPublic(interfaze.getModifiers())) { - implemented.add(interfaze); - } - } - Class<?> superClass = clazz.getSuperclass(); - // Object has no superclass so check for null - if (superClass != null && !superClass.equals(Object.class)) { - getAllInterfaces(superClass, implemented); - } - } - - public void destroy() { - // Get a unique map as an extension point may exist in the map by different keys - Map<ModuleActivator, ModuleActivator> map = new IdentityHashMap<ModuleActivator, ModuleActivator>(); - for (Object extp : extensionPoints.values()) { - if (extp instanceof ModuleActivator) { - ModuleActivator activator = (ModuleActivator)extp; - map.put(activator, activator); - } - } - for (ModuleActivator activator : map.values()) { - activator.stop(this); - } - extensionPoints.clear(); - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java deleted file mode 100644 index 54d0d118bb..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java +++ /dev/null @@ -1,174 +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.core; - -import java.lang.reflect.Constructor; -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.HashMap; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - - - -/** - * Default implementation of a model factory extension point. - * - * @version $Rev$ $Date$ - */ -public class DefaultFactoryExtensionPoint implements FactoryExtensionPoint { - private ExtensionPointRegistry extensionPointRegistry; - private HashMap<Class<?>, Object> factories = new HashMap<Class<?>, Object>(); - - /** - * Constructs a new DefaultModelFactoryExtensionPoint. - */ - public DefaultFactoryExtensionPoint(ExtensionPointRegistry extensionPointRegistry) { - this.extensionPointRegistry = extensionPointRegistry; - } - - /** - * Add a model factory extension. - * - * @param factory The factory to add - */ - public void addFactory(Object factory) { - Class<?>[] interfaces = factory.getClass().getInterfaces(); - if (interfaces.length == 0) { - Class<?> sc = factory.getClass().getSuperclass(); - if (sc != Object.class) { - factories.put(sc, factory); - } - } else { - for (int i = 0; i<interfaces.length; i++) { - factories.put(interfaces[i], factory); - } - } - } - - /** - * Remove a model factory. - * - * @param factory The factory to remove - */ - public void removeFactory(Object factory) { - Class<?>[] interfaces = factory.getClass().getInterfaces(); - if (interfaces.length == 0) { - Class<?> sc = factory.getClass().getSuperclass(); - if (sc != Object.class) { - factories.remove(sc); - } - } else { - for (int i = 0; i<interfaces.length; i++) { - factories.remove(interfaces[i]); - } - } - } - - private ClassLoader setContextClassLoader(final ClassLoader classLoader) { - return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { - public ClassLoader run() { - ClassLoader tccl = Thread.currentThread().getContextClassLoader(); - if (classLoader != null) { - Thread.currentThread().setContextClassLoader(classLoader); - } - return tccl; - } - }); - } - - /** - * Get a factory implementing the given interface. - * @param factoryInterface The lookup key (factory interface) - * @return The factory - */ - public <T> T getFactory(Class<T> factoryInterface) { - Object factory = factories.get(factoryInterface); - if (factory == null) { - - // Dynamically load a factory class declared under META-INF/services - try { - ServiceDeclaration factoryDeclaration = - ServiceDiscovery.getInstance().getServiceDeclaration(factoryInterface.getName()); - if (factoryDeclaration != null) { - Class<?> factoryClass = factoryDeclaration.loadClass(); - try { - - // Default empty constructor - Constructor<?> constructor = factoryClass.getConstructor(); - factory = constructor.newInstance(); - } catch (NoSuchMethodException e) { - try { - - // Constructor taking the model factory extension point - Constructor<?> constructor = factoryClass.getConstructor(FactoryExtensionPoint.class); - factory = constructor.newInstance(this); - } catch (NoSuchMethodException e1) { - - // Constructor taking the extension point registry - Constructor<?> constructor = factoryClass.getConstructor(ExtensionPointRegistry.class); - factory = constructor.newInstance(extensionPointRegistry); - } - } - - // Cache the loaded factory - factories.put(factoryInterface, factory); - - return factoryInterface.cast(factory); - - } else { - - // If the input interface is an abstract class - if (!factoryInterface.isInterface() && Modifier.isAbstract(factoryInterface.getModifiers())) { - Method newInstanceMethod = factoryInterface.getDeclaredMethod("newInstance"); - ClassLoader tccl = setContextClassLoader(factoryInterface.getClassLoader()); - try { - - // Create a new instance - factory = newInstanceMethod.invoke(null); - - // Cache the factory - factories.put(factoryInterface, factory); - - return factoryInterface.cast(factory); - } catch (Exception e) { - // Sorry no factory found - return null; - } finally { - setContextClassLoader(tccl); - } - } else { - - // Sorry no factory found - return null; - } - } - } catch (Exception e) { - throw new IllegalArgumentException(e); - } - } else { - return factoryInterface.cast(factory); - } - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java deleted file mode 100644 index f9228efd71..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java +++ /dev/null @@ -1,112 +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.core; - -import java.io.IOException; -import java.lang.reflect.Constructor; -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; -import java.util.Map; -import java.util.logging.Level; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - -/** - * Default implementation of an extension point to hold Tuscany module activators. - * - * @version $Rev$ $Date$ - */ -public class DefaultModuleActivatorExtensionPoint implements ModuleActivatorExtensionPoint { - private final static Logger logger = Logger.getLogger(DefaultModuleActivatorExtensionPoint.class.getName()); - private List<ModuleActivator> activators = new ArrayList<ModuleActivator>(); - private boolean loadedActivators; - - /** - * Constructs a new extension point. - */ - public DefaultModuleActivatorExtensionPoint() { - } - - public void addModuleActivator(ModuleActivator activator) { - activators.add(activator); - } - - public List<ModuleActivator> getModuleActivators() { - loadModuleActivators(); - return activators; - } - - public void removeModuleActivator(Object activator) { - activators.remove(activator); - } - - /** - * Dynamically load module activators declared under META-INF/services - */ - private synchronized void loadModuleActivators() { - if (loadedActivators) - return; - - // Get the activator service declarations - Collection<ServiceDeclaration> activatorDeclarations; - try { - // Load the module activators by ranking - activatorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(ModuleActivator.class.getName(), true); - } catch (IOException e) { - throw new IllegalStateException(e); - } - - // Load and instantiate module activators - for (ServiceDeclaration activatorDeclaration : activatorDeclarations) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Loading " + activatorDeclaration.getClassName()); - } - ModuleActivator activator = null; - try { - Class<ModuleActivator> activatorClass = (Class<ModuleActivator>)activatorDeclaration.loadClass(); - Constructor<ModuleActivator> constructor = null; - try { - constructor = activatorClass.getConstructor(); - activator = constructor.newInstance(); - } catch (NoSuchMethodException e) { - // Try the one that takes a Map<String, String> - constructor = activatorClass.getConstructor(Map.class); - activator = constructor.newInstance(activatorDeclaration.getAttributes()); - } - } catch (Throwable e) { - String optional = activatorDeclaration.getAttributes().get("optional"); - if ("true".equalsIgnoreCase(optional)) { - // If the optional flag is true, just log the error - logger.log(Level.SEVERE, e.getMessage(), e); - continue; - } else { - throw new IllegalArgumentException(e); - } - } - addModuleActivator(activator); - } - - loadedActivators = true; - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java deleted file mode 100644 index c7ff4e1858..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java +++ /dev/null @@ -1,197 +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.core; - -import java.io.IOException; -import java.lang.reflect.Constructor; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Modifier; -import java.util.HashSet; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - -/** - * Default implementation of an extension point to hold Tuscany utility utilities. - * - * @version $Rev$ $Date$ - */ -public class DefaultUtilityExtensionPoint implements UtilityExtensionPoint { - private Map<Class<?>, Object> utilities = new ConcurrentHashMap<Class<?>, Object>(); - - private ExtensionPointRegistry extensionPoints; - - /** - * Constructs a new extension point. - */ - public DefaultUtilityExtensionPoint(ExtensionPointRegistry extensionPoints) { - this.extensionPoints = extensionPoints; - } - - /** - * Add a utility to the extension point. This default implementation - * stores utilities against the interfaces that they implement. - * - * @param utility The instance of the utility - * - * @throws IllegalArgumentException if utility is null - */ - public void addUtility(Object utility) { - if (utility == null) { - throw new IllegalArgumentException("Cannot register null as a Service"); - } - - Set<Class<?>> interfaces = getAllInterfaces(utility.getClass()); - for (Class<?> i : interfaces) { - utilities.put(i, utility); - } - } - - private Constructor<?> getConstructor(Constructor<?>[] constructors, Class<?>... paramTypes) { - for (Constructor<?> c : constructors) { - Class<?>[] types = c.getParameterTypes(); - if (c.getParameterTypes().length == paramTypes.length) { - boolean found = true; - for (int i = 0; i < types.length; i++) { - if (types[i] != paramTypes[i]) { - found = false; - break; - } - } - if (found) { - return c; - } - } - } - return null; - } - - /** - * Get the utility by the interface that it implements - * - * @param utilityType The lookup key (utility interface) - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - public <T> T getUtility(Class<T> utilityType) { - return getUtility(utilityType, false); - } - - /** - * Remove a utility based on the interface that it implements - * - * @param utility The utility to remove - * - * @throws IllegalArgumentException if utility is null - */ - public void removeUtility(Object utility) { - if (utility == null) { - throw new IllegalArgumentException("Cannot remove null as a Service"); - } - - Set<Class<?>> interfaces = getAllInterfaces(utility.getClass()); - for (Class<?> i : interfaces) { - utilities.remove(i); - } - } - - /** - * Returns the set of interfaces implemented by the given class and its - * ancestors or a blank set if none - */ - private static Set<Class<?>> getAllInterfaces(Class<?> clazz) { - Set<Class<?>> implemented = new HashSet<Class<?>>(); - getAllInterfaces(clazz, implemented); - return implemented; - } - - private static void getAllInterfaces(Class<?> clazz, Set<Class<?>> implemented) { - Class<?>[] interfaces = clazz.getInterfaces(); - for (Class<?> interfaze : interfaces) { - if (Modifier.isPublic(interfaze.getModifiers())) { - implemented.add(interfaze); - } - } - Class<?> superClass = clazz.getSuperclass(); - // Object has no superclass so check for null - if (superClass != null && !superClass.equals(Object.class)) { - getAllInterfaces(superClass, implemented); - } - } - - public <T> T getUtility(Class<T> utilityType, boolean newInstance) { - if (utilityType == null) { - throw new IllegalArgumentException("Cannot lookup Service of type null"); - } - - Object utility = null; - if (!newInstance) { - utility = utilities.get(utilityType); - } - if (utility == null) { - - // Dynamically load a utility class declared under META-INF/services/"utilityType" - try { - ServiceDeclaration utilityDeclaration = - ServiceDiscovery.getInstance().getServiceDeclaration(utilityType.getName()); - if (utilityDeclaration != null) { - Class<?> utilityClass = utilityDeclaration.loadClass(); - - // Construct the utility - Constructor<?>[] constructors = utilityClass.getConstructors(); - Constructor<?> constructor = getConstructor(constructors, ExtensionPointRegistry.class, Map.class); - if (constructor != null) { - utility = constructor.newInstance(extensionPoints, utilityDeclaration.getAttributes()); - } else { - constructor = getConstructor(constructors, ExtensionPointRegistry.class); - if (constructor != null) { - utility = constructor.newInstance(extensionPoints); - } else { - constructor = getConstructor(constructors); - if (constructor != null) { - utility = constructor.newInstance(); - } else { - throw new IllegalArgumentException("No valid constructor is found for " + utilityClass); - } - } - } - // Cache the loaded utility - addUtility(utility); - } - } catch (InvocationTargetException e) { - throw new IllegalArgumentException(e); - } catch (IOException e) { - throw new IllegalArgumentException(e); - } catch (ClassNotFoundException e) { - throw new IllegalArgumentException(e); - } catch (InstantiationException e) { - throw new IllegalArgumentException(e); - } catch (IllegalAccessException e) { - throw new IllegalArgumentException(e); - } - } - return utilityType.cast(utility); - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java deleted file mode 100644 index d5647d6601..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java +++ /dev/null @@ -1,61 +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.core; - - -/** - * The registry for the Tuscany core extension points. As the point of contact - * for all extension artifacts this registry allows loaded extensions to find - * all other parts of the system and register themselves appropriately. - * - * @version $Rev$ $Date$ - */ -public interface ExtensionPointRegistry { - - /** - * Add an extension point to the registry - * @param extensionPoint The instance of the extension point - * - * @throws IllegalArgumentException if extensionPoint is null - */ - void addExtensionPoint(Object extensionPoint); - - /** - * Get the extension point by the interface - * @param extensionPointType The lookup key (extension point interface) - * @return The instance of the extension point - * - * @throws IllegalArgumentException if extensionPointType is null - */ - <T> T getExtensionPoint(Class<T> extensionPointType); - - /** - * Remove an extension point - * @param extensionPoint The extension point to remove - * - * @throws IllegalArgumentException if extensionPoint is null - */ - void removeExtensionPoint(Object extensionPoint); - - /** - * Destroy the extension point registry - */ - void destroy(); -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java deleted file mode 100644 index 4d38cb8afe..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java +++ /dev/null @@ -1,54 +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.core; - -/** - * An extension point for model factories. Model factories are provided to - * abstract the classes that represent artifacts in the assembly model away - * from their creation mechanism. When the runtime needs to extend the model - * as it reads in contributed artifacts it looks up the factory for the - * artifact required in this registry - * - * @version $Rev$ $Date$ - */ -public interface FactoryExtensionPoint { - - /** - * Add a model factory extension. - * - * @param factory The factory to add - */ - void addFactory(Object factory); - - /** - * Remove a model factory extension. - * - * @param factory The factory to remove - */ - void removeFactory(Object factory); - - /** - * Get a factory implementing the given interface. - * @param factoryInterface the lookup key (factory interface) - * @return The factory - */ - <T> T getFactory(Class<T> factoryInterface); - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java deleted file mode 100644 index dbfd0dcd90..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java +++ /dev/null @@ -1,60 +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.core; - - -/** - * ModuleActivator represents a module that plugs into the Tuscany system. Each - * module should provide an implementation of this interface and register the - * ModuleActivator implementation class by defining a file named - * - * "META-INF/services/org.apache.tuscany.core.ModuleActivator" - * - * The content of the file is the class name of the ModuleActivator implementation. - * The implementation class must have a no-arg constructor. The same instance - * will be used to invoke all the methods during different phases of the module - * activation. Note that the start and stop methods defined by this interface - * take a reference to the Tuscany SCA runtime ExtensionPointRegistry. This - * gives the ModuleActivator the opportunity to add extension points to the - * registry as it is requested to start up and remove them when it is requested - * to shut down. - * - * @version $Rev$ $Date$ - */ -public interface ModuleActivator { - - /** - * This method is invoked when the module is started by the Tuscany system. - * It can be used by this module to register extensions against extension - * points. - * - * @param registry The extension point registry - */ - void start(ExtensionPointRegistry registry); - - /** - * This method is invoked when the module is stopped by the Tuscany system. - * It can be used by this module to unregister extensions against the - * extension points. - * - * @param registry The extension point registry - */ - void stop(ExtensionPointRegistry registry); -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java deleted file mode 100644 index ec0f12b8ba..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java +++ /dev/null @@ -1,53 +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.core; - -import java.util.List; - - -/** - * The extension point for the Tuscany module activator extensions. - * - * @version $Rev$ $Date$ - */ -public interface ModuleActivatorExtensionPoint { - - /** - * Add a module activator extension to the extension point - * @param activator The instance of the module activator - * - * @throws IllegalArgumentException if activator is null - */ - void addModuleActivator(ModuleActivator activator); - - /** - * Returns the module activator extensions. - * @return The module activator extensions - */ - List<ModuleActivator> getModuleActivators(); - - /** - * Remove a module activator - * @param activator The module activator to remove - * - * @throws IllegalArgumentException if activator is null - */ - void removeModuleActivator(Object activator); -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java deleted file mode 100644 index 9804234850..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java +++ /dev/null @@ -1,64 +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.core; - - -/** - * The extension point for the Tuscany core utility extensions. - * - * @version $Rev$ $Date$ - */ -public interface UtilityExtensionPoint { - - /** - * Add a utility to the extension point - * @param utility The instance of the utility - * - * @throws IllegalArgumentException if utility is null - */ - void addUtility(Object utility); - - /** - * Get the utility by the interface - * @param utilityType The lookup key (utility interface) - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - <T> T getUtility(Class<T> utilityType); - - /** - * Get a new instance of the utility by the interface - * @param utilityType The lookup key (utility interface) - * @param newInstance A new instance is required - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - <T> T getUtility(Class<T> utilityType, boolean newInstance); - - /** - * Remove a utility - * @param utility The utility to remove - * - * @throws IllegalArgumentException if utility is null - */ - void removeUtility(Object utility); -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java deleted file mode 100644 index 13f967c053..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java +++ /dev/null @@ -1,272 +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.extensibility; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.lang.ref.WeakReference; -import java.net.URL; -import java.net.URLConnection; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.security.PrivilegedActionException; -import java.security.PrivilegedExceptionAction; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.HashSet; -import java.util.List; -import java.util.Map; -import java.util.Properties; -import java.util.StringTokenizer; -import java.util.logging.Level; -import java.util.logging.Logger; - -/** - * A ServiceDiscoverer that find META-INF/services/... using the Context ClassLoader. - * - * @version $Rev$ $Date$ - */ -public class ContextClassLoaderServiceDiscoverer implements ServiceDiscoverer { - private static final Logger logger = Logger.getLogger(ContextClassLoaderServiceDiscoverer.class.getName()); - - public class ServiceDeclarationImpl implements ServiceDeclaration { - private URL url; - private String className; - private Class<?> javaClass; - private Map<String, String> attributes; - - public ServiceDeclarationImpl(URL url, String className, Map<String, String> attributes) { - super(); - this.url = url; - this.className = className; - this.attributes = attributes; - } - - public Map<String, String> getAttributes() { - return attributes; - } - - public String getClassName() { - return className; - } - - public URL getLocation() { - return url; - } - - public Class<?> loadClass() throws ClassNotFoundException { - if (className == null) { - return null; - } - if (javaClass == null) { - javaClass = loadClass(className); - } - return javaClass; - } - - public Class<?> loadClass(String className) throws ClassNotFoundException { - return Class.forName(className, false, classLoaderReference.get()); - } - - @Override - public String toString() { - StringBuffer sb = new StringBuffer(); - sb.append("ClassLoader: ").append(classLoaderReference.get()); - sb.append(" Attributes: ").append(attributes); - return sb.toString(); - } - - public URL getResource(final String name) { - return AccessController.doPrivileged(new PrivilegedAction<URL>() { - public URL run() { - return classLoaderReference.get().getResource(name); - } - }); - } - - } - - private WeakReference<ClassLoader> classLoaderReference; - - public ContextClassLoaderServiceDiscoverer() { - ClassLoader classLoader = Thread.currentThread().getContextClassLoader(); - this.classLoaderReference = new WeakReference<ClassLoader>(classLoader); - } - - private List<URL> getResources(final String name) throws IOException { - try { - return AccessController.doPrivileged(new PrivilegedExceptionAction<List<URL>>() { - public List<URL> run() throws IOException { - List<URL> urls = Collections.list(classLoaderReference.get().getResources(name)); - return urls; - } - }); - } catch (PrivilegedActionException e) { - throw (IOException)e.getException(); - } - } - - /** - * Parse a service declaration in the form class;attr=value,attr=value and - * return a map of attributes - * - * @param declaration - * @return a map of attributes - */ - private static Map<String, String> parseServiceDeclaration(String declaration) { - Map<String, String> attributes = new HashMap<String, String>(); - int index = declaration.indexOf(';'); - if (index != -1) { - attributes.put("class", declaration.substring(0, index).trim()); - declaration = declaration.substring(index); - } else { - int j = declaration.indexOf('='); - if (j == -1) { - attributes.put("class", declaration.trim()); - return attributes; - } else { - declaration = ";" + declaration; - } - } - StringTokenizer tokens = new StringTokenizer(declaration); - for (; tokens.hasMoreTokens();) { - String key = tokens.nextToken("=").substring(1).trim(); - if (key == null) - break; - String value = tokens.nextToken(",").substring(1).trim(); - if (value == null) - break; - attributes.put(key, value); - } - return attributes; - } - - public ServiceDeclaration getServiceDeclaration(String name) throws IOException { - Collection<ServiceDeclaration> declarations = getServiceDeclarations(name); - if (declarations.isEmpty()) { - return null; - } else { - return declarations.iterator().next(); - } - } - - public Collection<ServiceDeclaration> getServiceDeclarations(String serviceName) { - Collection<ServiceDeclaration> descriptors = new HashSet<ServiceDeclaration>(); - - // http://java.sun.com/j2se/1.5.0/docs/api/javax/xml/xpath/XPathFactory.html - boolean isPropertyFile = "javax.xml.xpath.XPathFactory".equals(serviceName); - String name = "META-INF/services/" + serviceName; - boolean debug = logger.isLoggable(Level.FINE); - try { - for (final URL url : getResources(name)) { - if (debug) { - logger.fine("Reading service provider file: " + url.toExternalForm()); - } - - // Allow privileged access to open URL stream. Add FilePermission to added to security - // policy file. - InputStream is; - try { - is = AccessController.doPrivileged(new PrivilegedExceptionAction<InputStream>() { - public InputStream run() throws IOException { - URLConnection connection = url.openConnection(); - // TUSCANY-2539 - // Don't cache connections by default to stop Tuscany locking contribution jar files - // done here as this is one of the first places we open a stream and the only way to - // set the default is to set it on an instance of URLConnection - connection.setDefaultUseCaches(false); - connection.setUseCaches(false); - return url.openStream(); - } - }); - } catch (PrivilegedActionException e) { - throw (IOException)e.getException(); - } - if (isPropertyFile) { - // Load as a property file - Properties props = new Properties(); - props.load(is); - is.close(); - for (Map.Entry<Object, Object> e : props.entrySet()) { - Map<String, String> attributes = new HashMap<String, String>(); - String key = (String)e.getKey(); - String value = (String)e.getValue(); - // Unfortunately, the xalan file only has the classname - if ("".equals(value)) { - value = key; - key = ""; - } - if (!"".equals(key)) { - attributes.put(key, value); - attributes.put("uri", key); - } - attributes.put("class", value); - ServiceDeclarationImpl descriptor = new ServiceDeclarationImpl(url, value, attributes); - descriptors.add(descriptor); - } - continue; - } - BufferedReader reader = null; - try { - reader = new BufferedReader(new InputStreamReader(is)); - int count = 0; - while (true) { - String line = reader.readLine(); - if (line == null) - break; - line = line.trim(); - if (!line.startsWith("#") && !"".equals(line)) { - String reg = line.trim(); - if (debug) { - logger.fine("Registering service provider: " + reg); - } - - Map<String, String> attributes = parseServiceDeclaration(reg); - String className = attributes.get("class"); - if (className == null) { - // Add a unique class name to prevent equals() from returning true - className = "_class_" + count; - count++; - } - ServiceDeclarationImpl descriptor = new ServiceDeclarationImpl(url, className, attributes); - descriptors.add(descriptor); - } - } - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException e) { - // Ignore - } - } - } - } - } catch (IOException e) { - logger.log(Level.SEVERE, e.getMessage(), e); - } - return descriptors; - - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java deleted file mode 100644 index d7ac8b449f..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java +++ /dev/null @@ -1,70 +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.extensibility; - -import java.net.URL; -import java.util.Map; - -/** - * Service declaration using J2SE Jar service provider spec Classes specified - * inside this declaration are loaded using the ClassLoader used to read the - * configuration file corresponding to this declaration. - * - * @version $Rev$ $Date$ - */ -public interface ServiceDeclaration { - /** - * Load a java class in the same context as the service definition - * @param className The class name - * @return The loaded class - * @throws ClassNotFoundException - */ - Class<?> loadClass(String className) throws ClassNotFoundException; - - /** - * Get the java class for the service impl - * @return The java class - */ - Class<?> loadClass() throws ClassNotFoundException; - - /** - * Get all attributes (name=value pairs) defined for the given entry - * @return All attributes keyed by name - */ - Map<String, String> getAttributes(); - - URL getLocation(); - - String getClassName(); - - URL getResource(String name); - - /** - * The service descriptor might be hashed - * @param obj Another object - * @return - */ - boolean equals(Object obj); - /** - * The service descriptor might be hashed - * @return - */ - int hashCode(); -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java deleted file mode 100644 index 9b939e8228..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java +++ /dev/null @@ -1,49 +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.extensibility; - -import java.io.IOException; -import java.util.Collection; - -/** - * A SPI that allows different implementations of discovering service declarations - */ -public interface ServiceDiscoverer { - - /** - * Get all service declarations for this interface - * - * @param name - * @return set of service declarations - * @throws IOException - */ - public Collection<ServiceDeclaration> getServiceDeclarations(String name) throws IOException; - - /** - * Get first service declaration class for the given interface - * - * @param name - * @return service implementation class - * @throws IOException - * @throws ClassNotFoundException - */ - public ServiceDeclaration getServiceDeclaration(String name) throws IOException; - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java deleted file mode 100644 index a5048859f0..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java +++ /dev/null @@ -1,134 +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.extensibility; - -import java.io.IOException; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.Comparator; -import java.util.List; - -/** - * Service discovery for Tuscany based on J2SE Jar service provider spec. - * Services are described using configuration files in META-INF/services. - * Service description specifies a class name followed by optional properties. - * - * - * @version $Rev$ $Date$ - */ -public final class ServiceDiscovery implements ServiceDiscoverer { - private final static ServiceDiscovery INSTANCE = new ServiceDiscovery(); - - private ServiceDiscoverer discoverer; - - private ServiceDiscovery() { - super(); - } - /** - * Get an instance of Service discovery, one instance is created per - * ClassLoader that this class is loaded from - * - * @return - */ - public static ServiceDiscovery getInstance() { - return INSTANCE; - } - - public ServiceDiscoverer getServiceDiscoverer() { - if (discoverer != null) { - return discoverer; - } - try { - // FIXME: This is a hack to trigger the activation of the extensibility-equinox bundle in OSGi - Class.forName("org.apache.tuscany.sca.extensibility.equinox.EquinoxServiceDiscoverer"); - if (discoverer != null) { - return discoverer; - } - } catch (Throwable e) { - } - discoverer = new ContextClassLoaderServiceDiscoverer(); - return discoverer; - } - - public void setServiceDiscoverer(ServiceDiscoverer sd) { - if (discoverer != null) { - throw new IllegalStateException("The ServiceDiscoverer cannot be reset"); - } - discoverer = sd; - } - - public Collection<ServiceDeclaration> getServiceDeclarations(String name) throws IOException { - return getServiceDeclarations(name, false); - } - - public Collection<ServiceDeclaration> getServiceDeclarations(String name, boolean byRanking) throws IOException { - Collection<ServiceDeclaration> declarations = getServiceDiscoverer().getServiceDeclarations(name); - if (!byRanking) { - return declarations; - } - if (!declarations.isEmpty()) { - List<ServiceDeclaration> declarationList = new ArrayList<ServiceDeclaration>(declarations); - Collections.sort(declarationList, ServiceComparator.DESCENDING_ORDER); - return declarationList; - } else { - return Collections.emptyList(); - } - } - - /** - * Get the service declaration. If there are more than one services, the one with highest ranking will - * be returned. - */ - public ServiceDeclaration getServiceDeclaration(final String name) throws IOException { - // ServiceDeclaration service = getServiceDiscoverer().getFirstServiceDeclaration(name); - // return service; - Collection<ServiceDeclaration> declarations = getServiceDeclarations(name, true); - if (!declarations.isEmpty()) { - List<ServiceDeclaration> declarationList = new ArrayList<ServiceDeclaration>(declarations); - Collections.sort(declarationList, ServiceComparator.DESCENDING_ORDER); - return declarationList.get(0); - } else { - return null; - } - } - - /** - * Compare service declarations by ranking - */ - private static class ServiceComparator implements Comparator<ServiceDeclaration> { - private final static Comparator<ServiceDeclaration> DESCENDING_ORDER = new ServiceComparator(); - - public int compare(ServiceDeclaration o1, ServiceDeclaration o2) { - int rank1 = 0; - String r1 = o1.getAttributes().get("ranking"); - if (r1 != null) { - rank1 = Integer.parseInt(r1); - } - int rank2 = 0; - String r2 = o2.getAttributes().get("ranking"); - if (r2 != null) { - rank2 = Integer.parseInt(r2); - } - return rank2 - rank1; // descending - } - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.FactoryExtensionPoint b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.FactoryExtensionPoint deleted file mode 100644 index 3c135aa267..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.FactoryExtensionPoint +++ /dev/null @@ -1,18 +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.
-
-org.apache.tuscany.sca.core.DefaultFactoryExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint deleted file mode 100644 index 42bad63132..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint +++ /dev/null @@ -1,18 +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.
-
-org.apache.tuscany.sca.core.DefaultModuleActivatorExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint deleted file mode 100644 index d769bad283..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint +++ /dev/null @@ -1,18 +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.
-
-org.apache.tuscany.sca.core.DefaultUtilityExtensionPoint
diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java deleted file mode 100644 index c0aac21596..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java +++ /dev/null @@ -1,81 +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.extensibility; - -import java.io.IOException; -import java.util.Collection; - -import org.junit.AfterClass; -import org.junit.Assert; -import org.junit.BeforeClass; -import org.junit.Test; - -/** - * Test Case for ClasspathServiceDiscover - */ -public class ContextClassLoaderServiceDiscovererTestCase { - private static ContextClassLoaderServiceDiscoverer discover; - - /** - * @throws java.lang.Exception - */ - @BeforeClass - public static void setUpBeforeClass() throws Exception { - discover = new ContextClassLoaderServiceDiscoverer(); - } - - @Test - public void testDiscovery() { - Collection<ServiceDeclaration> discriptors = - discover.getServiceDeclarations("org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint"); - Assert.assertEquals(1, discriptors.size()); - discriptors = - discover.getServiceDeclarations("notthere"); - Assert.assertEquals(0, discriptors.size()); - } - - @Test - public void testDiscoveryFirst() throws IOException { - ServiceDeclaration descriptor = - discover.getServiceDeclaration("org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint"); - Assert.assertNotNull(descriptor); - descriptor = discover.getServiceDeclaration("notthere"); - Assert.assertNull(descriptor); - } - - @Test - public void testXPathFactory() { - Collection<ServiceDeclaration> discriptors = discover.getServiceDeclarations("javax.xml.xpath.XPathFactory"); - if (!discriptors.isEmpty()) { - ServiceDeclaration d = discriptors.iterator().next(); - Assert.assertNotNull(d.getClassName()); - Assert.assertTrue(d.getAttributes().containsKey("class")); - } - } - - - /** - * @throws java.lang.Exception - */ - @AfterClass - public static void tearDownAfterClass() throws Exception { - } - -} diff --git a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/DefaultExtensionPointRegistryTestCase.java b/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/DefaultExtensionPointRegistryTestCase.java deleted file mode 100644 index 9758cba3b4..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/DefaultExtensionPointRegistryTestCase.java +++ /dev/null @@ -1,58 +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.extensibility; - -import static org.junit.Assert.assertNull; -import static org.junit.Assert.assertSame; - -import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.junit.Before; -import org.junit.Test; - -public class DefaultExtensionPointRegistryTestCase { - private ExtensionPointRegistry registry; - - @Before - public void setUp() throws Exception { - registry = new DefaultExtensionPointRegistry(); - } - - @Test - public void testRegistry() { - MyExtensionPoint service = new MyExtensionPointImpl(); - registry.addExtensionPoint(service); - assertSame(service, registry.getExtensionPoint(MyExtensionPoint.class)); - registry.removeExtensionPoint(service); - assertNull(registry.getExtensionPoint(MyExtensionPoint.class)); - } - - public static interface MyExtensionPoint { - void doSomething(); - } - - private static class MyExtensionPointImpl implements MyExtensionPoint { - - public void doSomething() { - } - - } - -} |