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-rw-r--r--branches/sca-java-1.4/modules/extensibility/LICENSE205
-rw-r--r--branches/sca-java-1.4/modules/extensibility/NOTICE5
-rw-r--r--branches/sca-java-1.4/modules/extensibility/pom.xml50
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java184
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java92
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java184
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java56
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java60
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java53
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java54
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java248
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java68
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java37
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java170
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint18
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint18
-rw-r--r--branches/sca-java-1.4/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java72
17 files changed, 0 insertions, 1574 deletions
diff --git a/branches/sca-java-1.4/modules/extensibility/LICENSE b/branches/sca-java-1.4/modules/extensibility/LICENSE
deleted file mode 100644
index 8aa906c321..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/LICENSE
+++ /dev/null
@@ -1,205 +0,0 @@
-
- Apache License
- Version 2.0, January 2004
- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
- 1. Definitions.
-
- "License" shall mean the terms and conditions for use, reproduction,
- and distribution as defined by Sections 1 through 9 of this document.
-
- "Licensor" shall mean the copyright owner or entity authorized by
- the copyright owner that is granting the License.
-
- "Legal Entity" shall mean the union of the acting entity and all
- other entities that control, are controlled by, or are under common
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- direction or management of such entity, whether by contract or
- otherwise, or (ii) ownership of fifty percent (50%) or more of the
- outstanding shares, or (iii) beneficial ownership of such entity.
-
- "You" (or "Your") shall mean an individual or Legal Entity
- exercising permissions granted by this License.
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- "Source" form shall mean the preferred form for making modifications,
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- source, and configuration files.
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- "Object" form shall mean any form resulting from mechanical
- transformation or translation of a Source form, including but
- not limited to compiled object code, generated documentation,
- and conversions to other media types.
-
- "Work" shall mean the work of authorship, whether in Source or
- Object form, made available under the License, as indicated by a
- copyright notice that is included in or attached to the work
- (an example is provided in the Appendix below).
-
- "Derivative Works" shall mean any work, whether in Source or Object
- form, that is based on (or derived from) the Work and for which the
- editorial revisions, annotations, elaborations, or other modifications
- represent, as a whole, an original work of authorship. For the purposes
- of this License, Derivative Works shall not include works that remain
- separable from, or merely link (or bind by name) to the interfaces of,
- the Work and Derivative Works thereof.
-
- "Contribution" shall mean any work of authorship, including
- the original version of the Work and any modifications or additions
- to that Work or Derivative Works thereof, that is intentionally
- submitted to Licensor for inclusion in the Work by the copyright owner
- or by an individual or Legal Entity authorized to submit on behalf of
- the copyright owner. For the purposes of this definition, "submitted"
- means any form of electronic, verbal, or written communication sent
- to the Licensor or its representatives, including but not limited to
- communication on electronic mailing lists, source code control systems,
- and issue tracking systems that are managed by, or on behalf of, the
- Licensor for the purpose of discussing and improving the Work, but
- excluding communication that is conspicuously marked or otherwise
- designated in writing by the copyright owner as "Not a Contribution."
-
- "Contributor" shall mean Licensor and any individual or Legal Entity
- on behalf of whom a Contribution has been received by Licensor and
- subsequently incorporated within the Work.
-
- 2. Grant of Copyright License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- copyright license to reproduce, prepare Derivative Works of,
- publicly display, publicly perform, sublicense, and distribute the
- Work and such Derivative Works in Source or Object form.
-
- 3. Grant of Patent License. Subject to the terms and conditions of
- this License, each Contributor hereby grants to You a perpetual,
- worldwide, non-exclusive, no-charge, royalty-free, irrevocable
- (except as stated in this section) patent license to make, have made,
- use, offer to sell, sell, import, and otherwise transfer the Work,
- where such license applies only to those patent claims licensable
- by such Contributor that are necessarily infringed by their
- Contribution(s) alone or by combination of their Contribution(s)
- with the Work to which such Contribution(s) was submitted. If You
- institute patent litigation against any entity (including a
- cross-claim or counterclaim in a lawsuit) alleging that the Work
- or a Contribution incorporated within the Work constitutes direct
- or contributory patent infringement, then any patent licenses
- granted to You under this License for that Work shall terminate
- as of the date such litigation is filed.
-
- 4. Redistribution. You may reproduce and distribute copies of the
- Work or Derivative Works thereof in any medium, with or without
- modifications, and in Source or Object form, provided that You
- meet the following conditions:
-
- (a) You must give any other recipients of the Work or
- Derivative Works a copy of this License; and
-
- (b) You must cause any modified files to carry prominent notices
- stating that You changed the files; and
-
- (c) You must retain, in the Source form of any Derivative Works
- that You distribute, all copyright, patent, trademark, and
- attribution notices from the Source form of the Work,
- excluding those notices that do not pertain to any part of
- the Derivative Works; and
-
- (d) If the Work includes a "NOTICE" text file as part of its
- distribution, then any Derivative Works that You distribute must
- include a readable copy of the attribution notices contained
- within such NOTICE file, excluding those notices that do not
- pertain to any part of the Derivative Works, in at least one
- of the following places: within a NOTICE text file distributed
- as part of the Derivative Works; within the Source form or
- documentation, if provided along with the Derivative Works; or,
- within a display generated by the Derivative Works, if and
- wherever such third-party notices normally appear. The contents
- of the NOTICE file are for informational purposes only and
- do not modify the License. You may add Your own attribution
- notices within Derivative Works that You distribute, alongside
- or as an addendum to the NOTICE text from the Work, provided
- that such additional attribution notices cannot be construed
- as modifying the License.
-
- You may add Your own copyright statement to Your modifications and
- may provide additional or different license terms and conditions
- for use, reproduction, or distribution of Your modifications, or
- for any such Derivative Works as a whole, provided Your use,
- reproduction, and distribution of the Work otherwise complies with
- the conditions stated in this License.
-
- 5. Submission of Contributions. Unless You explicitly state otherwise,
- any Contribution intentionally submitted for inclusion in the Work
- by You to the Licensor shall be under the terms and conditions of
- this License, without any additional terms or conditions.
- Notwithstanding the above, nothing herein shall supersede or modify
- the terms of any separate license agreement you may have executed
- with Licensor regarding such Contributions.
-
- 6. Trademarks. This License does not grant permission to use the trade
- names, trademarks, service marks, or product names of the Licensor,
- except as required for reasonable and customary use in describing the
- origin of the Work and reproducing the content of the NOTICE file.
-
- 7. Disclaimer of Warranty. Unless required by applicable law or
- agreed to in writing, Licensor provides the Work (and each
- Contributor provides its Contributions) on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
- implied, including, without limitation, any warranties or conditions
- of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
- PARTICULAR PURPOSE. You are solely responsible for determining the
- appropriateness of using or redistributing the Work and assume any
- risks associated with Your exercise of permissions under this License.
-
- 8. Limitation of Liability. In no event and under no legal theory,
- whether in tort (including negligence), contract, or otherwise,
- unless required by applicable law (such as deliberate and grossly
- negligent acts) or agreed to in writing, shall any Contributor be
- liable to You for damages, including any direct, indirect, special,
- incidental, or consequential damages of any character arising as a
- result of this License or out of the use or inability to use the
- Work (including but not limited to damages for loss of goodwill,
- work stoppage, computer failure or malfunction, or any and all
- other commercial damages or losses), even if such Contributor
- has been advised of the possibility of such damages.
-
- 9. Accepting Warranty or Additional Liability. While redistributing
- the Work or Derivative Works thereof, You may choose to offer,
- and charge a fee for, acceptance of support, warranty, indemnity,
- or other liability obligations and/or rights consistent with this
- License. However, in accepting such obligations, You may act only
- on Your own behalf and on Your sole responsibility, not on behalf
- of any other Contributor, and only if You agree to indemnify,
- defend, and hold each Contributor harmless for any liability
- incurred by, or claims asserted against, such Contributor by reason
- of your accepting any such warranty or additional liability.
-
- END OF TERMS AND CONDITIONS
-
- APPENDIX: How to apply the Apache License to your work.
-
- To apply the Apache License to your work, attach the following
- boilerplate notice, with the fields enclosed by brackets "[]"
- replaced with your own identifying information. (Don't include
- the brackets!) The text should be enclosed in the appropriate
- comment syntax for the file format. We also recommend that a
- file or class name and description of purpose be included on the
- same "printed page" as the copyright notice for easier
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- Copyright [yyyy] [name of copyright owner]
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
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-
-
diff --git a/branches/sca-java-1.4/modules/extensibility/NOTICE b/branches/sca-java-1.4/modules/extensibility/NOTICE
deleted file mode 100644
index b3e4797aaa..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/NOTICE
+++ /dev/null
@@ -1,5 +0,0 @@
-Copyright (c) 2005 - 2008 The Apache Software Foundation
-
-This product includes software developed by
-The Apache Software Foundation (http://www.apache.org/).
-
diff --git a/branches/sca-java-1.4/modules/extensibility/pom.xml b/branches/sca-java-1.4/modules/extensibility/pom.xml
deleted file mode 100644
index be3ed67921..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/pom.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- * 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.
--->
-<project>
- <modelVersion>4.0.0</modelVersion>
- <parent>
- <groupId>org.apache.tuscany.sca</groupId>
- <artifactId>tuscany-modules</artifactId>
- <version>1.4.1-SNAPSHOT</version>
- <relativePath>../pom.xml</relativePath>
- </parent>
- <artifactId>tuscany-extensibility</artifactId>
- <name>Apache Tuscany SCA Extensibility</name>
-
-
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.felix</groupId>
- <artifactId>maven-bundle-plugin</artifactId>
-
- <configuration>
- <instructions>
- <Bundle-Version>${tuscany.version}</Bundle-Version>
- <Bundle-SymbolicName>org.apache.tuscany.sca.extensibility</Bundle-SymbolicName>
- <Bundle-Description>${pom.name}</Bundle-Description>
- <Export-Package>org.apache.tuscany.sca.*</Export-Package>
- </instructions>
- </configuration>
- </plugin>
- </plugins>
- </build>
-
-</project>
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java
deleted file mode 100644
index 48f240559c..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java
+++ /dev/null
@@ -1,184 +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.Map;
-import java.util.Set;
-
-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 void addExtensionPoint(Object extensionPoint) {
- if (extensionPoint == null) {
- throw new IllegalArgumentException("Cannot register null as an ExtensionPoint");
- }
-
- Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass());
- for (Class<?> i : interfaces) {
- 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 <T> T getExtensionPoint(Class<T> extensionPointType) {
- if (extensionPointType == null) {
- throw new IllegalArgumentException("Cannot lookup ExtensionPoint of type null");
- }
-
- Object extensionPoint = extensionPoints.get(extensionPointType);
- if (extensionPoint == null) {
-
- // Dynamically load an extension point class declared under META-INF/services
- try {
- Class<?> extensionPointClass =
- ServiceDiscovery.getInstance().loadFirstServiceClass(extensionPointType);
- if (extensionPointClass != null) {
- // 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);
- }
- } 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);
- }
-
- /**
- * 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 void removeExtensionPoint(Object extensionPoint) {
- if (extensionPoint == null) {
- throw new IllegalArgumentException("Cannot remove null as an ExtensionPoint");
- }
-
- Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass());
- for (Class<?> i : interfaces) {
- 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);
- }
- }
-
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java
deleted file mode 100644
index 8ca030c0dd..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java
+++ /dev/null
@@ -1,92 +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.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-
-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 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 void loadModuleActivators() {
- if (loadedActivators)
- return;
-
- // Get the activator service declarations
- Set<ServiceDeclaration> activatorDeclarations;
- try {
- activatorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(ModuleActivator.class);
- } catch (IOException e) {
- throw new IllegalStateException(e);
- }
-
- // Load and instantiate module activators
- for (ServiceDeclaration activatorDeclaration: activatorDeclarations) {
- ModuleActivator activator;
- try {
- Class<ModuleActivator> activatorClass = (Class<ModuleActivator>)activatorDeclaration.loadClass();
- activator = activatorClass.newInstance();
- } catch (ClassNotFoundException e) {
- throw new IllegalArgumentException(e);
- } catch (InstantiationException e) {
- throw new IllegalArgumentException(e);
- } catch (IllegalAccessException e) {
- throw new IllegalArgumentException(e);
- }
- addModuleActivator(activator);
- }
-
- loadedActivators = true;
- }
-
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java
deleted file mode 100644
index 6f7c83c8d9..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java
+++ /dev/null
@@ -1,184 +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.Map;
-import java.util.Set;
-
-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 HashMap<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) {
- if (utilityType == null) {
- throw new IllegalArgumentException("Cannot lookup Service of type null");
- }
-
- Object utility = utilities.get(utilityType);
- if (utility == null) {
-
- // Dynamically load a utility class declared under META-INF/utilities
- try {
- Class<?> utilityClass =
- ServiceDiscovery.getInstance().loadFirstServiceClass(utilityType);
- if (utilityClass != null) {
- // Construct the utility
- Constructor<?>[] constructors = utilityClass.getConstructors();
- Constructor<?> constructor = getConstructor(constructors, new Class<?>[] {ExtensionPointRegistry.class});
- if (constructor != null) {
- utility = constructor.newInstance(extensionPoints);
- } else {
- constructor = getConstructor(constructors, new Class<?>[] {});
- 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);
- }
-
- /**
- * 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);
- }
- }
-
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java
deleted file mode 100644
index f2f67b2d52..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java
+++ /dev/null
@@ -1,56 +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);
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java
deleted file mode 100644
index dbfd0dcd90..0000000000
--- a/branches/sca-java-1.4/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/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java
deleted file mode 100644
index ec0f12b8ba..0000000000
--- a/branches/sca-java-1.4/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/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java
deleted file mode 100644
index 6b14b95666..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.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;
-
-
-/**
- * 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);
-
- /**
- * Remove a utility
- * @param utility The utility to remove
- *
- * @throws IllegalArgumentException if utility is null
- */
- void removeUtility(Object utility);
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java
deleted file mode 100644
index da3a12732d..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscoverer.java
+++ /dev/null
@@ -1,248 +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.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-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 classLoaderReference.get().loadClass(className);
- }
-
- 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, final boolean firstOnly) throws IOException {
- try {
- return AccessController.doPrivileged(new PrivilegedExceptionAction<List<URL>>() {
- public List<URL> run() throws IOException {
- if (firstOnly) {
- URL url = classLoaderReference.get().getResource(name);
- if (url != null) {
- return Arrays.asList(url);
- } else {
- return Collections.emptyList();
- }
- } else {
- 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 Set<ServiceDeclaration> discover(String serviceName, boolean firstOnly) {
- Set<ServiceDeclaration> descriptors = new HashSet<ServiceDeclaration>();
-
- String name = "META-INF/services/" + serviceName;
- boolean debug = logger.isLoggable(Level.FINE);
- try {
- for (final URL url : getResources(name, firstOnly)) {
- 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();
- }
- 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);
- if (firstOnly) {
- return descriptors;
- }
- }
- }
- } 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/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java
deleted file mode 100644
index 403b6aa7a7..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDeclaration.java
+++ /dev/null
@@ -1,68 +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/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java
deleted file mode 100644
index 1722cd5f49..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscoverer.java
+++ /dev/null
@@ -1,37 +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.util.Set;
-
-/**
- * A SPI that allows different implementations of discovering service declarations
- */
-public interface ServiceDiscoverer {
- /**
- * Discover the service descriptors by name
- * @param serviceName The name of the service
- * @param firstOnly A flag to indicate if only the first instance is to be discovered
- *
- * @return A set of service descriptors
- */
- Set<ServiceDeclaration> discover(String serviceName, boolean firstOnly);
-
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java b/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java
deleted file mode 100644
index ce41a44068..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/main/java/org/apache/tuscany/sca/extensibility/ServiceDiscovery.java
+++ /dev/null
@@ -1,170 +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.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
-import java.util.HashSet;
-import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-/**
- * 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 class ServiceDiscovery {
- private static final Logger logger = Logger.getLogger(ServiceDiscovery.class.getName());
-
- private final static ServiceDiscovery INSTANCE = new ServiceDiscovery();
-
- private ServiceDiscoverer discoverer;
- private Set<ClassLoader> registeredClassLoaders = new HashSet<ClassLoader>();
-
- /**
- * 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) {
- discoverer = new ContextClassLoaderServiceDiscoverer();
- }
- return discoverer;
- }
-
- public void setServiceDiscoverer(ServiceDiscoverer sd) {
- if (discoverer != null) {
- throw new IllegalStateException("The ServiceDiscoverer cannot be reset");
- }
- discoverer = sd;
- }
-
- /**
- * @deprecated
- * Register a ClassLoader with this discovery mechanism. Tuscany extension
- * ClassLoaders are registered here.
- *
- * @param classLoader
- */
- @Deprecated
- public synchronized void registerClassLoader(ClassLoader classLoader) {
- registeredClassLoaders.add(classLoader);
- }
-
- /**
- * @deprecated
- * Unregister a ClassLoader with this discovery mechanism.
- *
- * @param classLoader
- */
- @Deprecated
- public synchronized void unregisterClassLoader(ClassLoader classLoader) {
- registeredClassLoaders.remove(classLoader);
- }
-
- /**
- * Get all service declarations for this name
- *
- * @param name
- * @return set of service declarations
- * @throws IOException
- */
- public Set<ServiceDeclaration> getServiceDeclarations(String name) throws IOException {
- Set<ServiceDeclaration> services = getServiceDiscoverer().discover(name, false);
- return services;
- }
-
- /**
- * Get all service declarations for this interface
- *
- * @param serviceInterface
- * @return set of service declarations
- * @throws IOException
- */
- public Set<ServiceDeclaration> getServiceDeclarations(Class<?> serviceInterface) throws IOException {
-
- return getServiceDeclarations(serviceInterface.getName());
- }
-
- /**
- * Load one service implementation class for this interface
- *
- * @param serviceInterface
- * @return service implementation class
- * @throws IOException
- * @throws ClassNotFoundException
- */
- public Class<?> loadFirstServiceClass(final Class<?> serviceInterface) throws IOException, ClassNotFoundException {
- // Try System property first
- String className = AccessController.doPrivileged(new PrivilegedAction<String>() {
- public String run() {
- return System.getProperty(serviceInterface.getName());
- }
- });
- if (className != null) {
- try {
- // Try the classloader for the service interface first
- return Class.forName(className, false, serviceInterface.getClassLoader());
- } catch (ClassNotFoundException e) {
- try {
- // Try the thread context classloader
- return Class.forName(className, false, Thread.currentThread().getContextClassLoader());
- } catch (ClassNotFoundException ex) {
- logger.log(Level.WARNING, ex.getMessage(), ex);
- }
- }
- }
- Set<ServiceDeclaration> services = getServiceDiscoverer().discover(serviceInterface.getName(), true);
- if (services.isEmpty()) {
- return null;
- }
- return services.iterator().next().loadClass();
- }
-
- /**
- * Create a new instance of a factory service class.
- *
- * @param serviceInterface
- * @return service implementation class
- * @throws SecurityException
- * @throws NoSuchMethodException
- * @throws InvocationTargetException
- * @throws IllegalAccessException
- */
- public Object newFactoryClassInstance(final Class<?> serviceInterface) throws SecurityException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {
- Method newInstanceMethod = serviceInterface.getMethod("newInstance");
- Object factory = newInstanceMethod.invoke(null);
- return factory;
- }
-
-}
diff --git a/branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint b/branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint
deleted file mode 100644
index 42bad63132..0000000000
--- a/branches/sca-java-1.4/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/branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint b/branches/sca-java-1.4/modules/extensibility/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.UtilityExtensionPoint
deleted file mode 100644
index d769bad283..0000000000
--- a/branches/sca-java-1.4/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/branches/sca-java-1.4/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java b/branches/sca-java-1.4/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java
deleted file mode 100644
index fd508402fc..0000000000
--- a/branches/sca-java-1.4/modules/extensibility/src/test/java/org/apache/tuscany/sca/extensibility/ContextClassLoaderServiceDiscovererTestCase.java
+++ /dev/null
@@ -1,72 +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.util.Set;
-
-import junit.framework.Assert;
-
-import org.junit.AfterClass;
-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() {
- Set<ServiceDeclaration> discriptors =
- discover.discover("org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint", false);
- Assert.assertEquals(1, discriptors.size());
- discriptors =
- discover.discover("notthere", false);
- Assert.assertEquals(0, discriptors.size());
- }
-
- @Test
- public void testDiscoveryFirst() {
- Set<ServiceDeclaration> discriptors =
- discover.discover("org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint", true);
- Assert.assertEquals(1, discriptors.size());
- discriptors =
- discover.discover("notthere", true);
- Assert.assertEquals(0, discriptors.size());
- }
-
-
- /**
- * @throws java.lang.Exception
- */
- @AfterClass
- public static void tearDownAfterClass() throws Exception {
- }
-
-}