6 files changed, 997 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java
new file mode 100644
index 0000000000..084f52026f
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingListenerServlet.java
@@ -0,0 +1,516 @@
+/*
+ * 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.binding.http.provider;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+import java.text.ParseException;
+import java.util.List;
+
+import javax.servlet.ServletException;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.binding.http.HTTPCacheContext;
+import org.apache.tuscany.sca.binding.http.util.HTTPHeadersParser;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPolicy;
+
+/**
+ * Servlet responsible for dispatching HTTP requests to the
+ * target component implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPBindingListenerServlet extends HttpServlet {
+    private static final long serialVersionUID = 2865466417329430610L;
+    
+    private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication");
+    
+    transient private Binding binding;
+
+    transient private boolean requiresAuthentication = false;
+    transient private BasicAuthenticationPolicy basicAuthenticationPolicy = null;
+
+    private MessageFactory messageFactory;
+    private Invoker getInvoker;
+    private Invoker conditionalGetInvoker;
+    private Invoker putInvoker;
+    private Invoker conditionalPutInvoker;
+    private Invoker postInvoker;
+    private Invoker conditionalPostInvoker;
+    private Invoker deleteInvoker;
+    private Invoker conditionalDeleteInvoker;
+    
+    /**
+     * Constructs a new HTTPServiceListenerServlet.
+     */
+    public HTTPBindingListenerServlet(Binding binding, MessageFactory messageFactory) {
+        this.binding = binding;
+        this.messageFactory = messageFactory;
+        
+
+        // find out which policies are active
+        if (binding instanceof PolicySetAttachPoint) {
+            List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents();
+            for(Intent intent : intents) {
+                if(intent.getName().equals(AUTEHTICATION_INTENT)) {
+                    requiresAuthentication = true;
+                }
+            }
+
+
+            List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets();
+            for (PolicySet ps : policySets) {
+                for (Object p : ps.getPolicies()) {
+                    if (BasicAuthenticationPolicy.class.isInstance(p)) {
+                        basicAuthenticationPolicy = (BasicAuthenticationPolicy)p;
+                    } else {
+                        // etc. check for other types of policy being present
+                    }
+                }
+            }
+        }        
+    }
+
+    
+    @Override
+    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+        if(requiresAuthentication) {
+            if(! hasAuthenticationHeader(request, response)) {
+                response.setHeader("WWW-Authenticate", "BASIC realm=\"Tuscany\"");
+                response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
+            }
+        }
+        
+        super.service(request, response);
+    }    
+    
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.length() ==0) {            
+            // Redirect to a URL ending with / to make relative hrefs work
+            // relative to the served resource.
+            response.sendRedirect(request.getRequestURL().append('/').toString());
+            return;
+        }
+
+        // Invoke the get operation on the service implementation
+        Message requestMessage = messageFactory.createMessage();
+
+        //store http headers to message
+        requestMessage.getHeaders().addAll(HTTPHeadersParser.getHeaders(request));
+        
+        String id = path.substring(1);
+        
+        Message responseMessage = null;
+        HTTPCacheContext cacheContext = null;
+        try { 
+           cacheContext = HTTPCacheContext.getCacheContextFromRequest(request);
+        } catch (ParseException e) {        	
+        }
+
+        // Route message based on availability of cache info and cache methods
+        if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalGetInvoker != null )) {        
+        	requestMessage.setBody(new Object[] {id, cacheContext});
+        	responseMessage = conditionalGetInvoker.invoke(requestMessage);
+        } else {
+        	requestMessage.setBody(new Object[] {id});
+        	responseMessage = getInvoker.invoke(requestMessage);
+        }
+        if (responseMessage.isFault()) {
+        	Object body = responseMessage.getBody();
+        	
+        	int index = -1;
+        	if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+        		return;
+        	} else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+        		return;            		
+            }
+        		        	
+            throw new ServletException((Throwable)responseMessage.getBody());
+        }
+        
+        // Write the response from the service implementation to the response
+        // output stream
+        InputStream is = (InputStream)responseMessage.getBody();
+        OutputStream os = response.getOutputStream(); 
+        byte[] buffer = new byte[2048];
+        for (;;) {
+            int n = is.read(buffer);
+            if (n <= 0)
+                break;
+            os.write(buffer, 0, n);
+        }
+        os.flush();
+        os.close();        
+    }
+
+    @Override
+    protected void doDelete(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.length() ==0) {            
+            // Redirect to a URL ending with / to make relative hrefs work
+            // relative to the served resource.
+            response.sendRedirect(request.getRequestURL().append('/').toString());
+            return;
+        }
+
+        // Invoke the get operation on the service implementation
+        Message requestMessage = messageFactory.createMessage();
+        String id = path.substring(1);
+        
+        Message responseMessage = null;
+        HTTPCacheContext cacheContext = null;
+        try { 
+           cacheContext = HTTPCacheContext.getCacheContextFromRequest(request);
+        } catch (ParseException e) {        	
+        }
+        
+        // Route message based on availability of cache info and cache methods
+        if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalDeleteInvoker != null )) {        
+        	requestMessage.setBody(new Object[] {id, cacheContext});
+        	responseMessage = conditionalDeleteInvoker.invoke(requestMessage);
+        } else {
+        	requestMessage.setBody(new Object[] {id});
+        	responseMessage = deleteInvoker.invoke(requestMessage);
+        }
+        if (responseMessage.isFault()) {
+        	Object body = responseMessage.getBody();
+        	
+        	int index = -1;
+        	if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+        		return;
+        	} else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+        		return;            		
+            }        		
+        	
+            throw new ServletException((Throwable)responseMessage.getBody());
+        }
+        
+        // Write the response from the service implementation to the response
+        // output stream
+        InputStream is = (InputStream)responseMessage.getBody();
+        OutputStream os = response.getOutputStream(); 
+        byte[] buffer = new byte[2048];
+        for (;;) {
+            int n = is.read(buffer);
+            if (n <= 0)
+                break;
+            os.write(buffer, 0, n);
+        }
+        os.flush();
+        os.close();        
+    }
+
+    @Override
+    protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.length() ==0) {            
+            // Redirect to a URL ending with / to make relative hrefs work
+            // relative to the served resource.
+            response.sendRedirect(request.getRequestURL().append('/').toString());
+            return;
+        }
+
+        // Invoke the get operation on the service implementation
+        Message requestMessage = messageFactory.createMessage();
+        String id = path.substring(1);
+        
+        Message responseMessage = null;
+        HTTPCacheContext cacheContext = null;
+        try { 
+           cacheContext = HTTPCacheContext.getCacheContextFromRequest(request);
+        } catch (ParseException e) {        	
+        }
+        
+        // Route message based on availability of cache info and cache methods
+        if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPutInvoker != null )) {        
+        	requestMessage.setBody(new Object[] {id, cacheContext});
+        	responseMessage = conditionalPutInvoker.invoke(requestMessage);
+        } else {
+        	requestMessage.setBody(new Object[] {id});
+        	responseMessage = putInvoker.invoke(requestMessage);
+        }
+        if (responseMessage.isFault()) {
+        	Object body = responseMessage.getBody();
+        	
+        	int index = -1;
+        	if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+        		return;
+        	} else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+        		return;            		
+            }        		
+        	
+            throw new ServletException((Throwable)responseMessage.getBody());
+        }
+        
+        // Write the response from the service implementation to the response
+        // output stream
+        InputStream is = (InputStream)responseMessage.getBody();
+        OutputStream os = response.getOutputStream(); 
+        byte[] buffer = new byte[2048];
+        for (;;) {
+            int n = is.read(buffer);
+            if (n <= 0)
+                break;
+            os.write(buffer, 0, n);
+        }
+        os.flush();
+        os.close();        
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.length() ==0) {            
+            // Redirect to a URL ending with / to make relative hrefs work
+            // relative to the served resource.
+            response.sendRedirect(request.getRequestURL().append('/').toString());
+            return;
+        }
+
+        // Invoke the get operation on the service implementation
+        Message requestMessage = messageFactory.createMessage();
+        // String id = path.substring(1);
+        
+        Message responseMessage = null;
+        HTTPCacheContext cacheContext = null;
+        try { 
+           cacheContext = HTTPCacheContext.getCacheContextFromRequest(request);
+        } catch (ParseException e) {        	
+        }
+        
+        // Route message based on availability of cache info and cache methods
+        if (( cacheContext != null ) && (cacheContext.isEnabled()) && (conditionalPostInvoker != null )) {        
+        	requestMessage.setBody(new Object[] {cacheContext});
+        	responseMessage = conditionalPostInvoker.invoke(requestMessage);
+        } else {
+        	requestMessage.setBody(new Object[] {});
+        	responseMessage = postInvoker.invoke(requestMessage);
+        }
+        if (responseMessage.isFault()) {
+        	Object body = responseMessage.getBody();
+        	
+        	int index = -1;
+        	if ( -1 < (index = body.getClass().getName().indexOf( "NotModifiedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_NOT_MODIFIED );
+        		return;
+        	} else if ( -1 < (index = body.getClass().getName().indexOf( "PreconditionFailedException")) ) {
+        		if ( index > -1 ) 
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED, body.toString().substring( index ));
+        		else
+            		response.sendError( HttpServletResponse.SC_PRECONDITION_FAILED );
+        		return;            		
+            }        		
+        	
+            throw new ServletException((Throwable)responseMessage.getBody());
+        }
+
+
+        // Test if the ETag and LastModified are returned as a cache context.
+    	Object body = responseMessage.getBody();
+    	if ( body.getClass() == HTTPCacheContext.class ) {
+    		// Transfer to header if so.
+    		HTTPCacheContext cc = (HTTPCacheContext)responseMessage.getBody();
+    		if (( cc != null ) && ( cc.isEnabled() )) {
+    			String eTag = cc.getETag();
+            	if ( eTag != null )
+            		response.setHeader( "ETag", cc.getETag() );
+            	String lastModified = cc.getLastModified();
+            	if ( lastModified != null)
+            		response.setHeader( "LastModified", cc.getLastModified() );
+    		}
+    	}
+    }
+
+    /**
+     * @return the getInvoker
+     */
+    public Invoker getGetInvoker() {
+        return getInvoker;
+    }
+
+    /**
+     * @param getInvoker the getInvoker to set
+     */
+    public void setGetInvoker(Invoker getInvoker) {
+        this.getInvoker = getInvoker;
+    }
+
+    /**
+     * @return the conditionalGetInvoker
+     */
+    public Invoker getConditionalGetInvoker() {
+        return conditionalGetInvoker;
+    }
+
+    /**
+     * @param conditionalGetInvoker the conditionalGetInvoker to set
+     */
+    public void setConditionalGetInvoker(Invoker conditionalGetInvoker) {
+        this.conditionalGetInvoker = conditionalGetInvoker;
+    }
+
+    /**
+     * @return the putInvoker
+     */
+    public Invoker getPutInvoker() {
+        return putInvoker;
+    }
+
+    /**
+     * @param putInvoker the putInvoker to set
+     */
+    public void setPutInvoker(Invoker putInvoker) {
+        this.putInvoker = putInvoker;
+    }
+
+    /**
+     * @return the conditionalPutInvoker
+     */
+    public Invoker getConditionalPutInvoker() {
+        return conditionalPutInvoker;
+    }
+
+    /**
+     * @param conditionalPutInvoker the conditionalPutInvoker to set
+     */
+    public void setConditionalPutInvoker(Invoker conditionalPutInvoker) {
+        this.conditionalPutInvoker = conditionalPutInvoker;
+    }
+
+    /**
+     * @return the postInvoker
+     */
+    public Invoker getPostInvoker() {
+        return postInvoker;
+    }
+
+    /**
+     * @param postInvoker the postInvoker to set
+     */
+    public void setPostInvoker(Invoker postInvoker) {
+        this.postInvoker = postInvoker;
+    }
+
+    /**
+     * @return the conditionalPostInvoker
+     */
+    public Invoker getConditionalPostInvoker() {
+        return conditionalPostInvoker;
+    }
+
+    /**
+     * @param conditionalPostInvoker the conditionalPostInvoker to set
+     */
+    public void setConditionalPostInvoker(Invoker conditionalPostInvoker) {
+        this.conditionalPostInvoker = conditionalPostInvoker;
+    }
+
+    /**
+     * @return the deleteInvoker
+     */
+    public Invoker getDeleteInvoker() {
+        return deleteInvoker;
+    }
+
+    /**
+     * @param deleteInvoker the deleteInvoker to set
+     */
+    public void setDeleteInvoker(Invoker deleteInvoker) {
+        this.deleteInvoker = deleteInvoker;
+    }
+
+    /**
+     * @return the conditionalDeleteInvoker
+     */
+    public Invoker getConditionalDeleteInvoker() {
+        return conditionalDeleteInvoker;
+    }
+
+    /**
+     * @param conditionalDeleteInvoker the conditionalDeleteInvoker to set
+     */
+    public void setConditionalDeleteInvoker(Invoker conditionalDeleteInvoker) {
+        this.conditionalDeleteInvoker = conditionalDeleteInvoker;
+    }
+
+    
+    /** 
+     * Utility Methods related to Policy
+     */
+    
+
+    private boolean hasAuthenticationHeader(HttpServletRequest request, ServletResponse response) {
+        boolean result = false;
+        if(request.getHeader("Authorization") != null) {
+            result = true;
+        }
+        
+        return result;
+    }
+
+
+}
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java
new file mode 100644
index 0000000000..eb496f2421
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPBindingProviderFactory.java
@@ -0,0 +1,64 @@
+/*
+ * 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.binding.http.provider;
+
+import org.apache.tuscany.sca.binding.http.HTTPBinding;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.provider.BindingProviderFactory;
+import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+
+/**
+ * Factory for HTTP binding providers. 
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPBindingProviderFactory implements BindingProviderFactory<HTTPBinding> {
+
+    private MessageFactory messageFactory;
+    private ServletHost servletHost;
+    
+    public HTTPBindingProviderFactory(ExtensionPointRegistry extensionPoints) {
+        ServletHostExtensionPoint servletHosts = extensionPoints.getExtensionPoint(ServletHostExtensionPoint.class);
+        this.servletHost = servletHosts.getServletHosts().get(0);
+        FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class);
+        messageFactory = modelFactories.getFactory(MessageFactory.class);
+    }
+
+    public ReferenceBindingProvider createReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, HTTPBinding binding) {
+        return null;
+    }
+
+    public ServiceBindingProvider createServiceBindingProvider(RuntimeComponent component, RuntimeComponentService service, HTTPBinding binding) {
+        return new HTTPServiceBindingProvider(component, service, binding, messageFactory, servletHost);
+    }
+    
+    public Class<HTTPBinding> getModelType() {
+        return HTTPBinding.class;
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java
new file mode 100644
index 0000000000..e20d420d49
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPGetListenerServlet.java
@@ -0,0 +1,94 @@
+/*
+ * 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.binding.http.provider;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URLDecoder;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+
+/**
+ * Servlet responsible for dispatching HTTP GET requests to the
+ * target component implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPGetListenerServlet extends HttpServlet {
+    private static final long serialVersionUID = 2865466417329430610L;
+    
+    private MessageFactory messageFactory;
+    private Invoker getInvoker;
+    
+    /**
+     * Constructs a new HTTPServiceListenerServlet.
+     */
+    public HTTPGetListenerServlet(Invoker getInvoker, MessageFactory messageFactory) {
+        this.getInvoker = getInvoker;
+        this.messageFactory = messageFactory;
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+        // Get the request path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.length() ==0) {
+            
+            // Redirect to a URL ending with / to make relative hrefs work
+            // relative to the served resource.
+            response.sendRedirect(request.getRequestURL().append('/').toString());
+            return;
+        }
+
+        // Invoke the get operation on the service implementation
+        Message requestMessage = messageFactory.createMessage();
+        String id = path.substring(1);
+        requestMessage.setBody(new Object[] {id});
+        Message responseMessage = getInvoker.invoke(requestMessage);
+        if (responseMessage.isFault()) {
+            throw new ServletException((Throwable)responseMessage.getBody());
+        }
+        
+        // Write the response from the service implementation to the response
+        // output stream
+        InputStream is = (InputStream)responseMessage.getBody();
+        OutputStream os = response.getOutputStream(); 
+        byte[] buffer = new byte[2048];
+        for (;;) {
+            int n = is.read(buffer);
+            if (n <= 0)
+                break;
+            os.write(buffer, 0, n);
+        }
+        os.flush();
+        os.close();
+        
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java
new file mode 100644
index 0000000000..8f91ff4343
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceBindingProvider.java
@@ -0,0 +1,137 @@
+/*
+ * 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.binding.http.provider;
+
+import javax.servlet.Servlet;
+
+import org.apache.tuscany.sca.binding.http.HTTPBinding;
+import org.apache.tuscany.sca.host.http.ServletHost;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.InvocationChain;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.provider.ServiceBindingProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+import org.apache.tuscany.sca.runtime.RuntimeWire;
+
+/**
+ * Implementation of an HTTP binding provider.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPServiceBindingProvider implements ServiceBindingProvider {
+    private RuntimeComponentService service;  
+    private HTTPBinding binding;
+    private MessageFactory messageFactory;
+    
+    private ServletHost servletHost;
+    private String servletMapping;
+    private HTTPBindingListenerServlet bindingListenerServlet;
+   
+    public HTTPServiceBindingProvider(RuntimeComponent component,
+                                              RuntimeComponentService service,
+                                              HTTPBinding binding,
+                                              MessageFactory messageFactory,
+                                              ServletHost servletHost) {
+        this.service = service;
+        this.binding = binding;
+        this.messageFactory = messageFactory;
+        this.servletHost = servletHost;
+    }
+
+    public void start() {
+        // Get the invokers for the supported operations
+        RuntimeComponentService componentService = (RuntimeComponentService) service;
+        RuntimeWire wire = componentService.getRuntimeWire(binding);
+        Servlet servlet = null;
+        bindingListenerServlet = new HTTPBindingListenerServlet(binding, messageFactory );
+        for (InvocationChain invocationChain : wire.getInvocationChains()) {
+            Operation operation = invocationChain.getTargetOperation();
+            String operationName = operation.getName();
+            if (operationName.equals("get")) { 
+                Invoker getInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setGetInvoker(getInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("conditionalGet")) {
+                Invoker conditionalGetInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setConditionalGetInvoker(conditionalGetInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("delete")) {
+                Invoker deleteInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setDeleteInvoker(deleteInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("conditionalDelete")) {
+                Invoker conditionalDeleteInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setConditionalDeleteInvoker(conditionalDeleteInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("put")) {
+                Invoker putInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setPutInvoker(putInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("conditionalPut")) {
+                Invoker conditionalPutInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setConditionalPutInvoker(conditionalPutInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("post")) {
+                Invoker postInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setPostInvoker(postInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("conditionalPost")) {
+                Invoker conditionalPostInvoker = invocationChain.getHeadInvoker();
+               	bindingListenerServlet.setConditionalPostInvoker(conditionalPostInvoker);
+                servlet = bindingListenerServlet;
+            } else if (operationName.equals("service")) {
+                Invoker serviceInvoker = invocationChain.getHeadInvoker();
+                servlet = new HTTPServiceListenerServlet(binding, serviceInvoker, messageFactory);
+                break;
+            }
+        }
+        if (servlet == null) {
+            throw new IllegalStateException("No get or service method found on the service");
+        }
+                
+        // Create our HTTP service listener Servlet and register it with the
+        // Servlet host
+        servletMapping = binding.getURI();
+        if (!servletMapping.endsWith("/")) {
+            servletMapping += "/";
+        }
+        if (!servletMapping.endsWith("*")) {
+            servletMapping += "*";
+        }
+        servletHost.addServletMapping(servletMapping, servlet);
+    }
+
+    public void stop() {        
+        // Unregister the Servlet from the Servlet host
+        servletHost.removeServletMapping(servletMapping);
+    }
+
+    public InterfaceContract getBindingInterfaceContract() {
+        return null;
+    }
+    
+    public boolean supportsOneWayInvocation() {
+        return false;
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java
new file mode 100644
index 0000000000..493255655d
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/provider/HTTPServiceListenerServlet.java
@@ -0,0 +1,136 @@
+/*
+ * 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.binding.http.provider;
+
+import java.io.IOException;
+import java.util.List;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.apache.tuscany.sca.invocation.MessageFactory;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+import org.apache.tuscany.sca.policy.authentication.basic.BasicAuthenticationPolicy;
+
+/**
+ * Servlet responsible for dispatching HTTP service requests to the
+ * target component implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPServiceListenerServlet implements Servlet {
+    private static final QName AUTEHTICATION_INTENT = new QName("http://www.osoa.org/xmlns/sca/1.0","authentication");
+    
+    transient private Binding binding;
+    transient private ServletConfig config;
+    transient private MessageFactory messageFactory;
+    transient private Invoker serviceInvoker;
+    
+    transient private boolean requiresAuthentication = false;
+    transient private BasicAuthenticationPolicy basicAuthenticationPolicy = null;
+
+    /**
+     * Constructs a new HTTPServiceListenerServlet.
+     */
+    public HTTPServiceListenerServlet(Binding binding, Invoker serviceInvoker, MessageFactory messageFactory) {
+        this.binding = binding;
+        this.serviceInvoker = serviceInvoker;
+        this.messageFactory = messageFactory;
+        
+        // find out which policies are active
+        if (binding instanceof PolicySetAttachPoint) {
+            List<Intent> intents = ((PolicySetAttachPoint)binding).getRequiredIntents();
+            for(Intent intent : intents) {
+                if(intent.getName().equals(AUTEHTICATION_INTENT)) {
+                    requiresAuthentication = true;
+                }
+            }
+
+
+            List<PolicySet> policySets = ((PolicySetAttachPoint)binding).getApplicablePolicySets();
+            for (PolicySet ps : policySets) {
+                for (Object p : ps.getPolicies()) {
+                    if (BasicAuthenticationPolicy.class.isInstance(p)) {
+                        basicAuthenticationPolicy = (BasicAuthenticationPolicy)p;
+                    } else {
+                        // etc. check for other types of policy being present
+                    }
+                }
+            }
+        }        
+    }
+
+    public ServletConfig getServletConfig() {
+        return config;
+    }
+
+    public String getServletInfo() {
+        return "";
+    }
+
+    public void init(ServletConfig config) throws ServletException {
+        this.config = config;
+    }
+
+    public void destroy() {
+        
+    }
+
+    public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException {
+        
+        if(requiresAuthentication) {
+            if(! hasAuthenticationHeader((HttpServletRequest)request, (HttpServletResponse)response)) {
+                ((HttpServletResponse)response).sendError(HttpServletResponse.SC_UNAUTHORIZED);
+            }
+        }
+        
+        // Dispatch the service interaction to the service invoker
+        Message requestMessage = messageFactory.createMessage();
+        requestMessage.setBody(new Object[]{request, response});
+        Message responseMessage = serviceInvoker.invoke(requestMessage);
+        if (responseMessage.isFault()) {            
+            // Turn a fault into an exception
+            //throw new ServletException((Throwable)responseMessage.getBody());
+            Throwable e = (Throwable)responseMessage.getBody();
+            ((HttpServletResponse)response).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
+        }
+    }
+
+    
+    private boolean hasAuthenticationHeader(HttpServletRequest request, ServletResponse response) {
+        boolean result = false;
+        if(request.getHeader("Authorization") != null) {
+            result = true;
+        }
+        
+        return result;
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java
new file mode 100644
index 0000000000..1fe4600e31
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/binding-http-runtime/src/main/java/org/apache/tuscany/sca/binding/http/util/HTTPHeadersParser.java
@@ -0,0 +1,50 @@
+/*
+ * 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.binding.http.util;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tuscany.sca.binding.http.HTTPHeader;
+
+public class HTTPHeadersParser {
+
+	/**
+	 * Parse http request headers to a map
+	 * 
+	 * @param request
+	 * @return
+	 */
+	public static List<HTTPHeader> getHeaders(HttpServletRequest request) {
+		List<HTTPHeader> headers = new ArrayList<HTTPHeader>();
+
+		Enumeration<?> headerNames =  request.getHeaderNames();
+		while (headerNames.hasMoreElements()) {
+		    String headerName = (String) headerNames.nextElement();
+		    Object headerValue = request.getHeader(headerName);
+		    HTTPHeader header = new HTTPHeader(headerName, headerValue);
+		    headers.add(header);
+		}
+		return headers;
+	}
+}