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authorantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-03-20 10:10:33 +0000
committerantelder <antelder@13f79535-47bb-0310-9956-ffa450edef68>2009-03-20 10:10:33 +0000
commitdf394ad8991792c90ee678ec18ca3d4fcf896e2e (patch)
treec7cc1ecd5d056b1261b193bb86c04b48b743bfbf /sandbox/ant/sca/trunk/modules/host-http
parentaee4ccff94e790912b0230b244cc9e46ec62463b (diff)
Copy trunk to test sanbox for release plugin testing
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@756399 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/LICENSE205
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/META-INF/MANIFEST.MF18
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/NOTICE6
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/pom.xml46
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java86
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultServletHostExtensionPoint.java45
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java127
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHost.java118
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostExtensionPoint.java51
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletMappingException.java44
-rw-r--r--sandbox/ant/sca/trunk/modules/host-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.http.ServletHostExtensionPoint18
11 files changed, 764 insertions, 0 deletions
diff --git a/sandbox/ant/sca/trunk/modules/host-http/LICENSE b/sandbox/ant/sca/trunk/modules/host-http/LICENSE
new file mode 100644
index 0000000000..8aa906c321
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/LICENSE
@@ -0,0 +1,205 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
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+ "License" shall mean the terms and conditions for use, reproduction,
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+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
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+ of this License, Derivative Works shall not include works that remain
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+ the Work and Derivative Works thereof.
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+ "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
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+ to the Licensor or its representatives, including but not limited to
+ communication on electronic mailing lists, source code control systems,
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
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+ 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
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+ (b) You must cause any modified files to carry prominent notices
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+ (c) You must retain, in the Source form of any Derivative Works
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+ 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
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+ 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
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+ whether in tort (including negligence), contract, or otherwise,
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+ negligent acts) or agreed to in writing, shall any Contributor be
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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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diff --git a/sandbox/ant/sca/trunk/modules/host-http/META-INF/MANIFEST.MF b/sandbox/ant/sca/trunk/modules/host-http/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..1c4e6bf2cc
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/META-INF/MANIFEST.MF
@@ -0,0 +1,18 @@
+Manifest-Version: 1.0
+Export-Package: org.apache.tuscany.sca.host.http;uses:="javax.servlet,
+ javax.servlet.http";version="2.0.0"
+Tool: Bnd-0.0.255
+Bundle-Name: Apache Tuscany SCA HTTP Servlet Host Extension Point
+Created-By: 1.6.0_07 (Sun Microsystems Inc.)
+Bundle-Vendor: The Apache Software Foundation
+Bundle-Version: 2.0.0
+Bnd-LastModified: 1225397255593
+Bundle-ManifestVersion: 2
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-Description: Apache Tuscany SCA HTTP Servlet Host Extension Poi
+ nt
+Import-Package: javax.servlet,javax.servlet.http,org.apache.tuscany.sc
+ a.host.http;version="2.0.0"
+Bundle-SymbolicName: org.apache.tuscany.sca.host.http
+Bundle-DocURL: http://www.apache.org/
+
diff --git a/sandbox/ant/sca/trunk/modules/host-http/NOTICE b/sandbox/ant/sca/trunk/modules/host-http/NOTICE
new file mode 100644
index 0000000000..25bb89c9b2
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/NOTICE
@@ -0,0 +1,6 @@
+${pom.name}
+Copyright (c) 2005 - 2009 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
diff --git a/sandbox/ant/sca/trunk/modules/host-http/pom.xml b/sandbox/ant/sca/trunk/modules/host-http/pom.xml
new file mode 100644
index 0000000000..cc725d24d5
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/pom.xml
@@ -0,0 +1,46 @@
+<?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-host-http</artifactId>
+ <name>Apache Tuscany SCA HTTP Servlet Host Extension Point</name>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.tuscany.sca</groupId>
+ <artifactId>tuscany-core-spi</artifactId>
+ <version>2.0-SNAPSHOT</version>
+ </dependency>
+
+ <dependency>
+ <groupId>javax.servlet</groupId>
+ <artifactId>servlet-api</artifactId>
+ <version>2.5</version>
+ <scope>provided</scope>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java
new file mode 100644
index 0000000000..3de0b9f5a7
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java
@@ -0,0 +1,86 @@
+/*
+ * 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.host.http;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLDecoder;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * A minimal implementation of a Servlet that serves documents in a document root
+ * directory.
+ *
+ * A Servlet host implementation is not required to use this implementation and can map
+ * the URI and document root to a more complete and more efficient implementation of
+ * a resource Servlet, for example the Tomcat or Jetty default Servlets.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultResourceServlet extends HttpServlet implements Servlet {
+ private static final long serialVersionUID = 2865466417329430610L;
+
+ private String documentRoot;
+
+ /**
+ * Constructs a new ResourceServlet
+ * @param documentRoot the document root
+ */
+ public DefaultResourceServlet(String documentRoot) {
+ this.documentRoot = documentRoot;
+ }
+
+ /**
+ * Returns the document root.
+ * @return the document root
+ */
+ public String getDocumentRoot() {
+ return documentRoot;
+ }
+
+ @Override
+ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+ // Determine the resource path
+ String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+ if (path.startsWith("/")) {
+ path = path.substring(1);
+ }
+ URL url = new URL(documentRoot + '/' + path);
+
+ // Write the resource
+ InputStream is = url.openStream();
+ OutputStream os = response.getOutputStream();
+ byte[] buffer = new byte[2048];
+ for (;;) {
+ int n = is.read(buffer);
+ if (n <= 0)
+ break;
+ os.write(buffer, 0, n);
+ }
+ }
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultServletHostExtensionPoint.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultServletHostExtensionPoint.java
new file mode 100644
index 0000000000..5e6de0b29b
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultServletHostExtensionPoint.java
@@ -0,0 +1,45 @@
+/*
+ * 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.host.http;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Default implementation of a Servlet host extension point.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultServletHostExtensionPoint implements ServletHostExtensionPoint {
+
+ private List<ServletHost> servletHosts = new ArrayList<ServletHost>();
+
+ public void addServletHost(ServletHost servletHost) {
+ servletHosts.add(servletHost);
+ }
+
+ public void removeServletHost(ServletHost servletHost) {
+ servletHosts.remove(servletHost);
+ }
+
+ public List<ServletHost> getServletHosts() {
+ return servletHosts;
+ }
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java
new file mode 100644
index 0000000000..5b11735166
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java
@@ -0,0 +1,127 @@
+/*
+ * 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.host.http;
+
+import java.net.URL;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.Servlet;
+
+/**
+ * Default implementation of an extensible Servlet host.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleServletHost implements ServletHost {
+
+ private ServletHostExtensionPoint servletHosts;
+
+ public ExtensibleServletHost(ServletHostExtensionPoint servletHosts) {
+ this.servletHosts = servletHosts;
+ }
+
+ public void setDefaultPort(int port) {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ for (ServletHost servletHost: servletHosts.getServletHosts()) {
+ servletHost.setDefaultPort(port);
+ }
+ }
+
+ private ServletHost getDefaultServletHost() {
+ return servletHosts.getServletHosts().get(0);
+ }
+
+ public int getDefaultPort() {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ return getDefaultServletHost().getDefaultPort();
+ }
+
+ public void addServletMapping(String uri, Servlet servlet) throws ServletMappingException {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ // TODO implement selection of the correct Servlet host based on the mapping
+ // For now just select the first one
+ getDefaultServletHost().addServletMapping(uri, servlet);
+ }
+
+ public Servlet getServletMapping(String uri) throws ServletMappingException {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ // TODO implement selection of the correct Servlet host based on the mapping
+ // For now just select the first one
+ return getDefaultServletHost().getServletMapping(uri);
+ }
+
+ public Servlet removeServletMapping(String uri) throws ServletMappingException {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ // TODO implement selection of the correct Servlet host based on the mapping
+ // For now just select the first one
+ return getDefaultServletHost().removeServletMapping(uri);
+ }
+
+ public RequestDispatcher getRequestDispatcher(String uri) throws ServletMappingException {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ // TODO implement selection of the correct Servlet host based on the mapping
+ // For now just select the first one
+ return getDefaultServletHost().getRequestDispatcher(uri);
+ }
+
+ public String getContextPath() {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ // TODO implement selection of the correct Servlet host based on the mapping
+ // For now just select the first one
+ return getDefaultServletHost().getContextPath();
+ }
+
+ public URL getURLMapping(String uri) {
+ if (servletHosts.getServletHosts().isEmpty()) {
+ throw new ServletMappingException("No servlet host available");
+ }
+
+ return getDefaultServletHost().getURLMapping(uri);
+ }
+
+ public void setContextPath(String path) {
+ getDefaultServletHost().setContextPath(path);
+ }
+
+ public void setAttribute(String name, Object value) {
+ getDefaultServletHost().setAttribute(name, value);
+ }
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHost.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHost.java
new file mode 100644
index 0000000000..2eb9f70601
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHost.java
@@ -0,0 +1,118 @@
+/*
+ * 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.host.http;
+
+import java.net.URL;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.Servlet;
+
+/**
+ * Interface implemented by host environments that allow Servlets to be
+ * registered.
+ * <p/>
+ * This interface allows a system service to register a Servlet
+ * to handle inbound requests.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServletHost {
+
+ /**
+ * Sets the default port for the server.
+ *
+ * @param port the default port
+ */
+ void setDefaultPort(int port);
+
+ /**
+ * Returns the default port for the server.
+ *
+ * @return the default port
+ */
+ int getDefaultPort();
+
+ /**
+ * Add a mapping for an instance of a Servlet. This requests that the
+ * Servlet container direct all requests to the designated mapping to the
+ * supplied Servlet instance.
+ *
+ * @param uri the URI-mapping for the Servlet
+ * @param servlet the Servlet that should be invoked
+ * @throws ServletMappingException
+ */
+ void addServletMapping(String uri, Servlet servlet) throws ServletMappingException;
+
+ /**
+ * Remove a Servlet mapping. This directs the Servlet container not to direct
+ * any more requests to a previously registered Servlet.
+ *
+ * @param uri the URI-mapping for the Servlet
+ * @return the Servlet that was registered to the mapping, null if nothing
+ * was registered to the mapping
+ * @throws ServletMappingException
+ */
+ Servlet removeServletMapping(String uri) throws ServletMappingException;
+
+ /**
+ * Returns the Servlet mapped to the given URI.
+ *
+ * @param uri the URI-mapping for the Servlet
+ * @return the Servlet registered with the mapping
+ * @throws ServletMappingException
+ */
+ Servlet getServletMapping(String uri) throws ServletMappingException;
+
+ /**
+ * Returns a Servlet request dispatcher for the Servlet mapped to the specified URI.
+ *
+ * @param uri the URI mapped to a Servlet
+ * @return a RequestDispatcher that can be used to dispatch requests to
+ * that Servlet
+ * @throws ServletMappingException
+ */
+ RequestDispatcher getRequestDispatcher(String uri) throws ServletMappingException;
+
+ /**
+ * Returns the portion of the request URI that indicates the context of the request
+ *
+ * @return a String specifying the portion of the request URI that indicates the context of the request
+ */
+ String getContextPath();
+
+ /**
+ * Sets the portion of the request URI that indicates the context of the request
+ *
+ * @param path the context path
+ */
+ void setContextPath(String path);
+
+ /**
+ * Returns the complete URL mapped to the specified URI.
+ * @return the URL mapped to the specified URI
+ */
+ URL getURLMapping(String uri);
+
+ /**
+ * Set an attribute in the application ServletContext
+ * @param name the name of the attribute
+ * @param value the attribute value
+ */
+ void setAttribute(String name, Object value);
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostExtensionPoint.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostExtensionPoint.java
new file mode 100644
index 0000000000..fbd085ba2b
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletHostExtensionPoint.java
@@ -0,0 +1,51 @@
+/*
+ * 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.host.http;
+
+import java.util.List;
+
+/**
+ * An extension point for Servlet hosts.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ServletHostExtensionPoint {
+
+ /**
+ * Adds a Servlet host extension.
+ *
+ * @param servletHost
+ */
+ void addServletHost(ServletHost servletHost);
+
+ /**
+ * Removes a Servlet host extension.
+ *
+ * @param servletHost
+ */
+ void removeServletHost(ServletHost servletHost);
+
+ /**
+ * Returns a list of Servlet host extensions.
+ *
+ * @return
+ */
+ List<ServletHost> getServletHosts();
+
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletMappingException.java b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletMappingException.java
new file mode 100644
index 0000000000..ae66c44c3e
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ServletMappingException.java
@@ -0,0 +1,44 @@
+/*
+ * 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.host.http;
+
+/**
+ * Indicates an exception while registering a Servlet mapping.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ServletMappingException extends RuntimeException {
+ private static final long serialVersionUID = 1L;
+
+ public ServletMappingException() {
+ super();
+ }
+
+ public ServletMappingException(String message) {
+ super(message);
+ }
+
+ public ServletMappingException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public ServletMappingException(Throwable cause) {
+ super(cause);
+ }
+}
diff --git a/sandbox/ant/sca/trunk/modules/host-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.http.ServletHostExtensionPoint b/sandbox/ant/sca/trunk/modules/host-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.http.ServletHostExtensionPoint
new file mode 100644
index 0000000000..44f4550b40
--- /dev/null
+++ b/sandbox/ant/sca/trunk/modules/host-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.host.http.ServletHostExtensionPoint
@@ -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.
+
+org.apache.tuscany.sca.host.http.DefaultServletHostExtensionPoint