Start to seperate impl.web into model and runtime

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@680322 13f79535-47bb-0310-9956-ffa450edef68

12 files changed, 612 insertions, 0 deletions

diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java
new file mode 100644
index 0000000000..fd51eac208
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java
@@ -0,0 +1,106 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.UnsupportedEncodingException;
+
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+
+/**
+ * Servlet that handles the GET request for the componentContext.js script
+ * 
+ * The script is generated by calling ScriptProcessors to output the code 
+ * for the SCA references, properties etc.
+ */
+public class ComponentContextServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    protected static final String HEADER = "/** --- Apache Tuscany componentContext.js --- */\n";
+    protected static final String FOOTER = "/** --- Apache Tuscany componentContext.js EOF --- */\n";
+
+    public static final String COMPONENT_CONTEXT_SCRIPT_URI = "org.apache.tuscany.sca.componentContext.js";
+
+    @Override
+    public void init(ServletConfig servletConfig) throws ServletException {
+        
+    }
+
+    @Override
+    public void doGet(HttpServletRequest req, HttpServletResponse response) throws IOException  {
+        response.setContentType("text/plain;charset=utf-8");
+        PrintWriter out = response.getWriter();
+
+        out.write(HEADER);
+
+        doScriptInit(req, response);
+
+        doScriptReferences(out);
+
+        out.write(FOOTER);
+
+        out.flush();
+        out.close();
+    }
+
+    /**
+     * Calls each ContextScriptProcessor once to insert any required initilization code into componentContext.js  
+     */
+    protected void doScriptInit(HttpServletRequest req, HttpServletResponse response) throws IOException, UnsupportedEncodingException {
+
+        for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) {
+            csp.scriptInit(req, response);
+        }
+    }
+
+    /**
+     * Calls each ContextScriptProcessor for each SCA reference to insert code for the reference into componentContext.js  
+     */
+    protected void doScriptReferences(PrintWriter out) throws IOException, UnsupportedEncodingException {
+
+        out.write("// SCA References\n");
+        
+        for (ComponentReference cr : WebSingleton.INSTANCE.getRuntimeComponent().getReferences()) {
+            String ref = "// SCA Reference " + cr.getName() + "\n";
+            out.write(ref);
+            for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) {
+                csp.scriptReference(cr, out);
+            }
+        }
+
+        out.write("\n// SCA References end.\n");
+    }
+
+    /**
+     * Calls each ContextScriptProcessor for each SCA property to insert code for the property into componentContext.js  
+     */
+    protected void doScriptProperties(OutputStream out) throws IOException, UnsupportedEncodingException {
+        // TODO: support properties
+    }
+
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java
new file mode 100644
index 0000000000..a660a5285b
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessor.java
@@ -0,0 +1,33 @@
+/*
+ * 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;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+
+public interface ContextScriptProcessor {
+    void scriptInit(HttpServletRequest req, HttpServletResponse response)  throws IOException;
+    void scriptReference(ComponentReference cr, PrintWriter out) throws IOException;
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java
new file mode 100644
index 0000000000..6d3f590309
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ContextScriptProcessorExtensionPoint.java
@@ -0,0 +1,27 @@
+/*
+ * 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;
+
+
+public interface ContextScriptProcessorExtensionPoint {
+
+    void addContextScriptProcessor(ContextScriptProcessor csp);
+    
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java
new file mode 100644
index 0000000000..49124331df
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/DefaultContextScriptProcessorExtensionPoint.java
@@ -0,0 +1,29 @@
+/*
+ * 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;
+
+
+public class DefaultContextScriptProcessorExtensionPoint implements ContextScriptProcessorExtensionPoint {
+
+    public void addContextScriptProcessor(ContextScriptProcessor csp) {
+        WebSingleton.INSTANCE.addContextScriptProcessor(csp);
+    }
+
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java
new file mode 100644
index 0000000000..36d564a697
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementation.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+
+/**
+ * Represents a Script implementation.
+ */
+public class WebImplementation {
+
+    protected String war;
+
+    public String getWar() {
+        return war;
+    }
+
+    public void setWar(String war) {
+        this.war = war;
+    }
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java
new file mode 100644
index 0000000000..dd3c2e4c94
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebImplementationActivator.java
@@ -0,0 +1,67 @@
+/*
+ * 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;
+
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.extension.helper.ImplementationActivator;
+import org.apache.tuscany.sca.extension.helper.InvokerFactory;
+import org.apache.tuscany.sca.extension.helper.utils.PropertyValueObjectFactory;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+import static org.apache.tuscany.sca.implementation.web.ComponentContextServlet.COMPONENT_CONTEXT_SCRIPT_URI;
+
+public class WebImplementationActivator implements ImplementationActivator<WebImplementation> {
+
+    protected ServletHost servletHost;
+    // TODO: seems wrong to need PropertyValueObjectFactory, could it be on Property somehow? 
+    protected PropertyValueObjectFactory propertyFactory;
+
+    public WebImplementationActivator(ServletHost servletHost, PropertyValueObjectFactory propertyFactory) {
+        this.servletHost = servletHost;
+        this.propertyFactory = propertyFactory;
+    }
+
+    public Class<WebImplementation> getImplementationClass() {
+        return WebImplementation.class;
+    }
+
+    public InvokerFactory createInvokerFactory(RuntimeComponent rc, ComponentType ct, WebImplementation implementation) {
+
+        initServlet(servletHost);
+
+        WebSingleton.INSTANCE.setRuntimeComponent(rc);
+
+        return new InvokerFactory() {
+            public Invoker createInvoker(Operation arg0) {
+                throw new IllegalStateException("can't invoke an implementation.web component");
+            }
+        };
+    }
+
+    private void initServlet(ServletHost servletHost) {
+        if (servletHost.getServletMapping(COMPONENT_CONTEXT_SCRIPT_URI) == null) {
+            servletHost.addServletMapping(COMPONENT_CONTEXT_SCRIPT_URI, new ComponentContextServlet());
+        }
+    }
+
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java
new file mode 100644
index 0000000000..5fcf2a2799
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/WebSingleton.java
@@ -0,0 +1,73 @@
+/*
+ * 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;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Singleton instance to share data between the ModuleActivator,
+ * ContextScriptProcessorExtensionPoint, and Taglib tags.
+ * 
+ * TODO: find a way to share the data without needing a singleton
+ */
+public class WebSingleton {
+
+    private List<ContextScriptProcessor> contextScriptProcessors = new ArrayList<ContextScriptProcessor>();
+    private RuntimeComponent runtimeComponent;
+
+    public static final WebSingleton INSTANCE = new WebSingleton();
+    private WebSingleton() {
+    }
+        
+    public ComponentReference getComponentReference(String name)  {
+        if (runtimeComponent == null) {
+            throw new IllegalStateException("RuntimeComponent is null. Missing a <implementation.web>?");
+        }
+        for (ComponentReference cr : runtimeComponent.getReferences()) {
+            if (cr.getName().equals(name)) {
+                return cr;
+            }
+        }
+        return null;
+    }
+
+    public void addContextScriptProcessor(ContextScriptProcessor csp) {
+        contextScriptProcessors.add(csp);
+    }
+
+    public List<ContextScriptProcessor> getContextScriptProcessors() {
+        return contextScriptProcessors;
+    }
+
+    public RuntimeComponent getRuntimeComponent() {
+        return runtimeComponent;
+    }
+
+    public void setRuntimeComponent(RuntimeComponent rc) {
+        if (this.runtimeComponent != null) {
+            throw new IllegalStateException("adding component '" + rc.getName() + "' but web module already has a component: " + runtimeComponent.getName());
+        }
+        this.runtimeComponent = rc;
+    }
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java
new file mode 100644
index 0000000000..cba6359d2f
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTEI.java
@@ -0,0 +1,42 @@
+/*
+ * 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.taglib;
+
+import javax.servlet.jsp.tagext.TagData;
+import javax.servlet.jsp.tagext.TagExtraInfo;
+import javax.servlet.jsp.tagext.VariableInfo;
+
+/**
+ * TagExtraInfo class for the SCA reference tags
+ * <sca:reference name="service" type="test.MyService" scope="1" />
+ */
+public class ReferenceTEI extends TagExtraInfo {
+
+    public VariableInfo[] getVariableInfo(TagData data) {
+        VariableInfo info1
+           = new VariableInfo(
+              data.getAttributeString("name"),
+              data.getAttributeString("type"),
+              true,
+              VariableInfo.AT_END);
+        VariableInfo[] info = { info1 } ;
+        return info;
+     }
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java
new file mode 100644
index 0000000000..69f70859b2
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/taglib/ReferenceTag.java
@@ -0,0 +1,103 @@
+/*
+ * 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.taglib;
+
+import javax.servlet.jsp.JspException;
+import javax.servlet.jsp.PageContext;
+import javax.servlet.jsp.tagext.TagSupport;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.implementation.web.WebSingleton;
+
+/**
+ * Tag to handle SCA references
+ * <sca:reference name="service" type="test.MyService" scope="1" />
+ */
+public class ReferenceTag extends TagSupport {
+    private static final long serialVersionUID = 1L;
+
+    protected String name;
+    protected String type;
+    protected Integer scope = PageContext.PAGE_SCOPE;
+
+    public int doStartTag() throws JspException {
+        return SKIP_BODY;
+    }
+
+    public int doEndTag() throws JspException {
+
+//        ServletContext servletContext = pageContext.getServletContext();
+//        try {
+//            WebAppServletHost.getInstance().init(servletContext);
+//        } catch (ServletException e) {
+//            throw new JspException("Exception initializing Tuscany webapp: " + e, e);
+//        }
+//
+        Class<?> typeClass;
+        try {
+            typeClass = Class.forName(type, true, Thread.currentThread().getContextClassLoader());
+        } catch (ClassNotFoundException e) {
+            throw new JspException("Reference '" + name + "' type class not found: " + type);
+        }
+
+        ComponentReference ref = WebSingleton.INSTANCE.getComponentReference(name);
+        if (ref == null) {
+            throw new JspException("Reference '" + name + "' type class not found: " + type);
+        }
+
+        Object o;
+        try {
+            o = WebSingleton.INSTANCE.getRuntimeComponent().getComponentContext().getService(typeClass, name);
+        } catch (Exception e) {
+            throw new JspException("Exception getting service proxy for reference '" + name + "': " + e, e);
+        }
+        if (o == null) {
+            throw new JspException("Reference '" + name + "' not found");
+        }
+
+        pageContext.setAttribute(name, o, scope);
+
+        return EVAL_PAGE;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getScope() {
+        return scope;
+    }
+
+    public void setScope(Integer scope) {
+        this.scope = scope;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+}
diff --git a/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/sca.tld b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/sca.tld
new file mode 100644
index 0000000000..4807ba517a
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/sca.tld
@@ -0,0 +1,59 @@
+<?xml version = '1.0' encoding = 'ISO-8859-1'?>

+<!--

+ * 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.    

+ -->

+

+<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN" "http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd">

+

+<taglib version="2.1">

+

+  <tlib-version>1.0</tlib-version>

+  <short-name>SCA-JSP</short-name>

+  <uri>http://www.osog.org/sca/sca.tld</uri>

+  <description>A tag library for integrating sca components with jsp</description>

+

+  <tag>

+

+    <name>reference</name>

+

+    <tag-class>org.apache.tuscany.sca.implementation.web.taglib.ReferenceTag</tag-class>

+    <tei-class>org.apache.tuscany.sca.implementation.web.taglib.ReferenceTEI</tei-class>

+    

+    <attribute>

+      <name>name</name>

+      <required>true</required>

+      <type>java.lang.String</type>

+    </attribute>

+

+    <attribute>

+      <name>type</name>

+      <required>true</required>

+      <type>java.lang.String</type>

+    </attribute>

+

+    <attribute>

+      <name>scope</name>

+      <required>false</required>

+      <type>java.lang.Integer</type>

+    </attribute>

+

+    <body-content>empty</body-content>

+

+  </tag>

+

+</taglib>

diff --git a/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.extension.helper.ImplementationActivator b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.extension.helper.ImplementationActivator
new file mode 100644
index 0000000000..ebf7b4fa8b
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.extension.helper.ImplementationActivator
@@ -0,0 +1,18 @@
+# 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 ExtensionActivator

+org.apache.tuscany.sca.implementation.web.WebImplementationActivator

diff --git a/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.web.ContextScriptProcessorExtensionPoint b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.web.ContextScriptProcessorExtensionPoint
new file mode 100644
index 0000000000..960ae30552
--- /dev/null
+++ b/java/sca/modules/implementation-web-runtime/src/main/resources/META-INF/services/org.apache.tuscany.sca.implementation.web.ContextScriptProcessorExtensionPoint
@@ -0,0 +1,19 @@
+# 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 ModuleActivator

+org.apache.tuscany.sca.implementation.web.DefaultContextScriptProcessorExtensionPoint

+