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authorantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-10-26 11:24:21 +0000
committerantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-10-26 11:24:21 +0000
commit8855f198f61e8c3353eeb86c2b41c474f2caa265 (patch)
treefb3e13e6de5a33dce28bbe929fcd822329d9b2b8 /java/sca/modules
parent044f21979b19d521db66c42f093ef0d28c4f4d31 (diff)
Add a new module for the implementaion.web client side support which enables browser-side JavaScript to access the web components ComponentContext and being able to invoke references
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@829752 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'java/sca/modules')
-rw-r--r--java/sca/modules/implementation-web-client/LICENSE241
-rw-r--r--java/sca/modules/implementation-web-client/META-INF/MANIFEST.MF29
-rw-r--r--java/sca/modules/implementation-web-client/NOTICE12
-rw-r--r--java/sca/modules/implementation-web-client/pom.xml68
-rw-r--r--java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientImplementationProvider.java43
-rw-r--r--java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientProviderFactory.java62
-rw-r--r--java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientServlet.java273
-rw-r--r--java/sca/modules/implementation-web-client/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory21
8 files changed, 749 insertions, 0 deletions
diff --git a/java/sca/modules/implementation-web-client/LICENSE b/java/sca/modules/implementation-web-client/LICENSE
new file mode 100644
index 0000000000..fa1256bf99
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/LICENSE
@@ -0,0 +1,241 @@
+
+ Apache License
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+
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+ "Contribution" shall mean any work of authorship, including
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+ any Contribution intentionally submitted for inclusion in the Work
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
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+ http://www.apache.org/licenses/LICENSE-2.0
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+ Unless required by applicable law or agreed to in writing, software
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+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+===============================================================================
+
+Apache Tuscany SCA for Java Subcomponents
+=========================================:
+
+The Tuscany SCA for Java release includes a number of subcomponents with
+separate copyright notices and license terms. Your use of the source
+code for the these subcomponents is subject to the terms and
+conditions of the following licenses.
+
+===============================================================================
+This module includes files under the following license:
+
+Permission to copy, display and distribute the Service Component Architecture Specification and/or
+portions thereof, without modification, in any medium without fee or royalty is hereby granted, provided
+that you include the following on ALL copies of the Service Component Architecture Specification, or
+portions thereof, that you make:
+
+1. A link or URL to the Service Component Architecture Specification at this location:
+· http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications
+
+2. The full text of the copyright notice as shown in the Service Component Architecture Specification.
+
+BEA, Cape Clear, IBM, Interface21, IONA, Oracle, Primeton, Progress Software, Red Hat, Rogue Wave,
+SAP, Siemens, Software AG., Sun, Sybase, TIBCO (collectively, the "Authors") agree to grant you a
+royalty-free license, under reasonable, non-discriminatory terms and conditions to patents that they deem
+necessary to implement the Service Component Architecture Specification.
+THE Service Component Architecture SPECIFICATION IS PROVIDED "AS IS," AND THE
+AUTHORS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED,
+REGARDING THIS SPECIFICATION AND THE IMPLEMENTATION OF ITS CONTENTS,
+INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE, NON-INFRINGEMENT OR TITLE.
+THE AUTHORS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL
+OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATING TO ANY USE OR
+DISTRIBUTION OF THE Service Components Architecture SPECIFICATION.
+The name and trademarks of the Authors may NOT be used in any manner, including advertising or
+publicity pertaining to the Service Component Architecture Specification or its contents without specific,
+
diff --git a/java/sca/modules/implementation-web-client/META-INF/MANIFEST.MF b/java/sca/modules/implementation-web-client/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..abfed62f09
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/META-INF/MANIFEST.MF
@@ -0,0 +1,29 @@
+Manifest-Version: 1.0
+Export-Package: org.apache.tuscany.sca.implementation.web.runtime.utils;ver
+ sion="2.0"
+Tool: Bnd-0.0.255
+Bundle-Name: Apache Tuscany SCA Web Implementation Web Runtime
+Created-By: 1.6.0_07 (Sun Microsystems Inc.)
+Bundle-Vendor: The Apache Software Foundation
+Bundle-Version: 2.0.0
+Bnd-LastModified: 1225397153500
+Bundle-ManifestVersion: 2
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-Description: Apache Tuscany SCA Implementation Web Runtime
+Bundle-SymbolicName: org.apache.tuscany.sca.implementation.web.runtime
+Bundle-DocURL: http://www.apache.org/
+Import-Package: javax.servlet,
+ javax.servlet.jsp,
+ javax.servlet.jsp.tagext,
+ org.apache.tuscany.sca.assembly;version="2.0.0",
+ org.apache.tuscany.sca.core;version="2.0.0",
+ org.apache.tuscany.sca.host.http;version="2.0.0",
+ org.apache.tuscany.sca.implementation.web;version="2.0.0",
+ org.apache.tuscany.sca.interfacedef;version="2.0.0",
+ org.apache.tuscany.sca.invocation;version="2.0.0",
+ org.apache.tuscany.sca.policy;version="2.0.0",
+ org.apache.tuscany.sca.provider;version="2.0.0",
+ org.apache.tuscany.sca.runtime;version="2.0.0",
+ org.oasisopen.sca.annotation;version="2.0.0",
+ org.oasisopen.sca;version="2.0.0"
+Bundle-RequiredExecutionEnvironment: J2SE-1.5,JavaSE-1.6
diff --git a/java/sca/modules/implementation-web-client/NOTICE b/java/sca/modules/implementation-web-client/NOTICE
new file mode 100644
index 0000000000..e158926510
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/NOTICE
@@ -0,0 +1,12 @@
+${pom.name}
+Copyright (c) 2005 - 2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
+This product also includes software under the Service Component Architecture specification license
+(see the LICENSE file contained in this distribution) with the following copyright
+
+(c) Copyright BEA Systems, Inc., Cape Clear Software, International Business Machines Corp, Interface21, IONA
+Technologies, Oracle, Primeton Technologies, Progress Software, Red Hat, Rogue Wave Software, SAP AG., Siemens
+AG., Software AG., Sun Microsystems, Inc., Sybase Inc., TIBCO Software Inc., 2005, 2008. All rights reserved.
diff --git a/java/sca/modules/implementation-web-client/pom.xml b/java/sca/modules/implementation-web-client/pom.xml
new file mode 100644
index 0000000000..1fdb8a5cda
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/pom.xml
@@ -0,0 +1,68 @@
+<?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>2.0-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+
+ <artifactId>tuscany-implementation-web-client</artifactId>
+ <name>Apache Tuscany SCA Web Implementation Client</name>
+
+ <dependencies>
+
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-implementation-web-runtime</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.directwebremoting</groupId>
+ <artifactId>dwr</artifactId>
+ <version>2.0.3</version>
+ </dependency>
+
+ <dependency>
+ <groupId>commons-logging</groupId>
+ <artifactId>commons-logging</artifactId>
+ <version>1.1.1</version>
+ </dependency>
+
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <version>2.5</version>
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.5</version>
+ <scope>test</scope>
+ </dependency>
+
+ </dependencies>
+
+</project>
diff --git a/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientImplementationProvider.java b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientImplementationProvider.java
new file mode 100644
index 0000000000..f688e103cd
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientImplementationProvider.java
@@ -0,0 +1,43 @@
+/*
+ * 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.implementation.web.client;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+public class ClientImplementationProvider implements ImplementationProvider {
+
+ public Invoker createInvoker(RuntimeComponentService arg0, Operation arg1) {
+ return null;
+ }
+
+ public void start() {
+ }
+
+ public void stop() {
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+}
diff --git a/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientProviderFactory.java b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientProviderFactory.java
new file mode 100644
index 0000000000..efddb002c1
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientProviderFactory.java
@@ -0,0 +1,62 @@
+/*
+ * 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.implementation.web.client;
+
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint;
+import org.apache.tuscany.sca.implementation.web.WebImplementation;
+import org.apache.tuscany.sca.implementation.web.runtime.WebImplementationProviderFactory;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class ClientProviderFactory extends WebImplementationProviderFactory {
+
+ private ServletHost servletHost;
+
+ public ClientProviderFactory(ExtensionPointRegistry extensionPoints) {
+ super(extensionPoints);
+ ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class);
+ List<ServletHost> hosts = servletHosts.getServletHosts();
+ if (!hosts.isEmpty()) {
+ this.servletHost = hosts.get(0);
+ }
+ }
+
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component, WebImplementation implementation) {
+
+ ClientServlet clientServlet = new ClientServlet();
+ servletHost.addServletMapping(ClientServlet.SCRIPT_PATH, clientServlet);
+ servletHost.addServletMapping(ClientServlet.SCRIPT_PATH + "/" + component.getName() + "/*", clientServlet);
+
+ if (component.getReferences().size() > 0) {
+ for (ComponentReference cr : component.getReferences()) {
+ clientServlet.addService(cr, component);
+ }
+ }
+
+ servletHost.setAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent", component);
+
+ return new ClientImplementationProvider();
+ }
+
+}
diff --git a/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientServlet.java b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientServlet.java
new file mode 100644
index 0000000000..0917804d65
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/src/main/java/org/apache/tuscany/sca/implementation/web/client/ClientServlet.java
@@ -0,0 +1,273 @@
+/*
+ * 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.implementation.web.client;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.directwebremoting.Container;
+import org.directwebremoting.create.AbstractCreator;
+import org.directwebremoting.extend.CreatorManager;
+import org.directwebremoting.extend.Handler;
+import org.directwebremoting.extend.Remoter;
+import org.directwebremoting.servlet.DwrServlet;
+import org.directwebremoting.servlet.EngineHandler;
+import org.directwebremoting.servlet.PathConstants;
+import org.directwebremoting.servlet.UrlProcessor;
+
+/**
+ * Tuscany customized DWR Servlet to implement support for the DWR binding
+ *
+ * Handles requests for SCA services and references that use <binding.dwr>
+ */
+public class ClientServlet extends DwrServlet {
+ private static final long serialVersionUID = 1L;
+
+ private transient Map<String, ServiceHolder> services;
+// private transient List<String> referenceNames;
+ private transient boolean initialized;
+ private transient Map<String, String> initParams;
+
+ public static final String SCRIPT_PATH = "/org.oasisopen.sca.componentContext.js";
+
+ public ClientServlet() {
+ this.services = new HashMap<String, ServiceHolder>();
+// this.referenceNames = new ArrayList<String>();
+
+ this.initParams = new HashMap<String, String>();
+ // maybe use <binding.dwr> attributes to define the init params
+ initParams.put("activeReverseAjaxEnabled", "true");
+ }
+
+ @Override
+ public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
+ super.service(req, res);
+ }
+
+ /**
+ * Initialize the Servlet
+ * There is a single instance of this Servlet which is registered
+ * for multiple path mappings, but the init should only run once.
+ */
+ @Override
+ public void init(ServletConfig servletConfig) throws ServletException {
+ if (!initialized) {
+ super.init(patchConfig(servletConfig));
+ addScriptHandler();
+ initServices();
+ initialized = true;
+ }
+ }
+
+ /**
+ * Add in the handler to process the HTTP get for /sca/scaDomain.js
+ *
+ * This wrappers the DWR Engine handler which returns the DWR engine.js script,
+ * this wrappers that handler so as to add Tuscany specific header and footer code
+ * to the DWR engine.js to define the Tuscany SCADomain control functions and
+ * functions for each SCA service and reference that use <binding.dwr>.
+ */
+ private void addScriptHandler() {
+
+ UrlProcessor urlProcessor = (UrlProcessor)getContainer().getBean(UrlProcessor.class.getName());
+
+ final EngineHandler engineHandler =
+ (EngineHandler)getContainer().getBean(PathConstants.URL_PREFIX + "/engine.js");
+
+ final Handler scaDomainScriptHandler = new Handler() {
+ public void handle(HttpServletRequest request, HttpServletResponse response) throws IOException {
+ PrintWriter out = response.getWriter();
+ out.println("/** Apache Tuscany componentContext.js Header */");
+
+ engineHandler.handle(request, response);
+
+ tuscanyFooter(request, out);
+ }
+
+ };
+
+ // add the scaDomainScriptHandler to the urlProcessor
+ // bit of a hack, there's probably cleaner way to get it registered
+ urlProcessor.afterContainerSetup(new Container() {
+ public Object getBean(String name) {
+ return scaDomainScriptHandler;
+ }
+ public Collection<?> getBeanNames() {
+ return Arrays.asList(new String[] {PathConstants.URL_PREFIX + SCRIPT_PATH});
+ }
+ });
+ }
+
+ /**
+ * Adds the JavaScript defining SCADomain, its control functions,
+ * and functions for all the available SCA services and references.
+ */
+ private void tuscanyFooter(HttpServletRequest request, PrintWriter out) {
+ out.println("if (SCA == undefined) var SCA = new Object();");
+ out.println("if (SCA.componentContext == undefined) {");
+ out.println(" SCA.componentContext = new Object();");
+ out.println(" SCA.componentContext.serviceNames = [];");
+ out.println(" SCA.componentContext.serviceProxys = [];");
+ out.println(" SCA.componentContext.getService = function(serviceName){");
+ out.println(" var i = SCA.componentContext.serviceNames.indexOf(serviceName);");
+ out.println(" return SCA.componentContext.serviceProxys[i];");
+ out.println(" };");
+ out.println(" if (componentContext == undefined) var componentContext = SCA.componentContext;");
+ out.println("}");
+
+// out.println("/** Apache Tuscany scaDomain.js Footer */");
+// out.println();
+// out.println("function scaDomain() { }");
+// out.println();
+// out.println("// SCA services");
+
+ // Use the DWR remoter to generate the JavaScipt function for each SCA service
+ Remoter remoter = (Remoter)getContainer().getBean(Remoter.class.getName());
+
+
+ for (String serviceName : services.keySet()) {
+ String path = request.getServletPath() + "/" + services.get(serviceName).c.getName();
+ String serviceScript = remoter.generateInterfaceScript(serviceName, path);
+ out.println(serviceScript);
+ out.println("SCA.componentContext.serviceNames.push('" + serviceName + "');");
+ out.println("SCA.componentContext.serviceProxys.push(" + serviceName + ");");
+// ServiceHolder s = services.get(serviceName);
+// final Class<?> iface = ((JavaInterface)s.cr.getInterfaceContract().getInterface()).getJavaClass();
+// for (Method m : iface.getMethods()) {
+// out.println("if (" + serviceName + " == null) var " + serviceName + " = {};");
+// out.println("SCA.componentContext.serviceNames.push('" + serviceName + "');");
+//// out.println("SCA.componentContext.serviceProxys.push(new JSONRpcClient('" + serviceName + "').Service);");
+// out.println(serviceName + "." + m.getName() + " = function(p0, callback) {");
+// out.println(" dwr.engine._execute(" + serviceName + "._path, '" + serviceName + "', '" + m.getName() + "', p0, callback);");
+// out.println(" }");
+// }
+ }
+
+// if (referenceNames.size() > 0) {
+//
+// out.println("// SCA reverse ajax control functions");
+// out.println();
+// out.println("scaDomain.open = function() { dwr.engine.setActiveReverseAjax(true); };");
+// out.println("scaDomain.close = function() { dwr.engine.setActiveReverseAjax(false); };");
+//
+// out.println();
+// out.println("// SCA references");
+// out.println();
+//
+// // the JavaScript function for SCA references has an
+// // empty impl as it uses DWR severside "push"
+// for (String referenceName : referenceNames) {
+// out.println("function " + referenceName + "() { }");
+// }
+// }
+
+ out.println();
+ out.println("/** End of Apache Tuscany componentContext.js */");
+ out.println();
+ }
+
+// /**
+// * Add an SCA reference to be added to the DWR runtime
+// */
+// public void addReference(String name) {
+// referenceNames.add(name);
+// }
+
+ /**
+ * Add an SCA service to be added to the DWR runtime
+ */
+ public void addService(ComponentReference cr, RuntimeComponent c) {
+ ServiceHolder holder = new ServiceHolder();
+ holder.name = cr.getName();
+ holder.cr = cr;
+ holder.c = c;
+ services.put(cr.getName(), holder);
+ }
+
+ /**
+ * Defines each SCA service proxy instance to DWR
+ */
+ private void initServices() {
+ CreatorManager creatorManager = (CreatorManager)getContainer().getBean(CreatorManager.class.getName());
+
+ for (final ServiceHolder service : services.values()) {
+
+ final Class<?> iface = ((JavaInterface)service.cr.getInterfaceContract().getInterface()).getJavaClass();
+ final Object instance = service.c.getComponentContext().getServiceReference(iface, service.cr.getName()).getService();
+
+ creatorManager.addCreator(service.cr.getName(), new AbstractCreator() {
+ public Class<?> getType() {
+ return iface;
+ }
+
+ public Object getInstance() throws InstantiationException {
+ return instance;
+ }
+ });
+ }
+ }
+
+ // utility class to aid passing around services
+ private class ServiceHolder {
+ String name;
+ ComponentReference cr;
+ RuntimeComponent c;
+ }
+
+ /**
+ * Patch the ServletConfig to enable setting init params for DWR
+ * and so DWR can't see the Tuscany servlet's init params.
+ */
+ private ServletConfig patchConfig(final ServletConfig servletConfig) {
+ ServletConfig patchedContext = new ServletConfig() {
+ public String getInitParameter(String name) {
+ return initParams.get(name);
+ }
+ public Enumeration<?> getInitParameterNames() {
+ return Collections.enumeration(initParams.keySet());
+ }
+ public ServletContext getServletContext() {
+ return servletConfig.getServletContext();
+ }
+ public String getServletName() {
+ return servletConfig.getServletName();
+ }
+ };
+ return patchedContext;
+ }
+
+}
diff --git a/java/sca/modules/implementation-web-client/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory b/java/sca/modules/implementation-web-client/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
new file mode 100644
index 0000000000..bef66366fe
--- /dev/null
+++ b/java/sca/modules/implementation-web-client/src/main/resources/META-INF/services/org.apache.tuscany.sca.provider.ImplementationProviderFactory
@@ -0,0 +1,21 @@
+# 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.
+
+# Implementation class for the implementation extension
+org.apache.tuscany.sca.implementation.web.client.ClientProviderFactory;model=org.apache.tuscany.sca.implementation.web.WebImplementation;ranking=1234
+
+