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Diffstat (limited to 'tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java')
-rw-r--r--tags/java/sca/2.0-M3-RC2/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java112
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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;
- }
-
-}